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FRAME CONSTRUCTION

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123 - Internal-combustion engines

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
123195000 All covers 55
123195000 Auxiliaries, brackets 11
123195000 Horizontal stress members 3
20120160207BEARING SHELL WITH IMPROVED SIDE LOAD CAPABILITY - An engine bearing shell with improved side load capability is disclosed. The engine bearing includes an upper bearing shell having a first single side relief portion. The engine bearing also includes a lower bearing shell having a second side relief portion. The upper bearing shell and the lower bearing shell may be assembled to form a cylindrical bore that is disposed therebetween. The first and second single side relief portions are configured to compensate for any offset shift that occurs at parting lines located between the assembled upper and lower bearing shells.06-28-2012
20130133612CRANKCASE STRUCTURE OF INTERNAL COMBUSTION ENGINE - A bearing holding portion supporting a crankshaft in a manner to rotate freely via a bearing and fittingly holding the bearing is formed in a crankcase. A second cross section passing through a crankshaft axis line and along an orthogonal direction to a cylinder axis line is set to have a larger cross-sectional area than a first cross section passing through the crankshaft axis line and along a direction of the cylinder axis line in the bearing holding portion.05-30-2013
20090120403ENGINE ASSEMBLY FOR A VEHICLE - An engine assembly for a vehicle, including a tie-rod connected to the engine, a suspension for fixing to the vehicle chassis, and a connector fixed to the engine, on which the tie-rod and the suspension are mounted. The connector is configured to physically decouple the tie-rod from the suspension.05-14-2009
20100024760INTERNAL COMBUSTION ENGINE - An internal combustion engine in which it can be made difficult for bubbles to mix into oil in a flowing-down process of the oil. In a generator chamber, a shielding rib is provided which is disposed between a generator and an oil introduction port in side view and which extends skewly upwardly from the oil introduction port in a manner so as to cover one end side of the oil introduction port. A guide rib extends from a side wall of the generator chamber in the manner of covering the other end side of the oil introduction port.02-04-2010
20090044781Portable Engine - A portable engine, comprising an engine casing, an air deflector cover, a fan and an exhaust pipe; a left upper baffle plate and a right upper baffle plate at the upper part of the engine constitute two left and right upper air ducts together with a cylinder head cover and the engine casing; a left lower baffle plate and a right lower baffle plate at the lower part of the engine constitute two left and right lower air ducts together with the engine casing; and a base plate of the engine and the engine casing constitute a bottom air duct. The portable engine can specifically cool each part through controlling air intake of each air duct, thus attaining better cooling effect for the engine.02-19-2009
20130068191CHAIN CASE STRUCTURE FOR ENGINE - A chain case structure of an engine, wherein, when a chain case is viewed in the crankshaft direction, both side portions of a mount bracket unit in the width direction extend to the left edge portion or the right edge portion of the chain case and the upper edge portion of the chain case, and a fastening portion to an engine main body is provided on the lower portion of the mount bracket portion. A cylinder portion of a hydraulic control valve of a variable valve mechanism is disposed below the fastening portion while the outer peripheral surface of the cylinder portion is mutually coupled to the mount bracket portion. Reinforcement ribs extend downward from the bottom of the mount bracket, across the cylinder portion.03-21-2013
20100126459FIXATION STRUCTURE FOR VALVE SYSTEM ROTATION SHAFT OF INTERNAL COMBUSTION ENGINE - A fixation structure for a valve system rotation shaft of an internal combustion engine to support a camshaft with a cylinder head through the use of a lower cam holder and cam caps, which are formed separately from the cylinder head. The fixation structure eliminates the necessity of taking special vibration/noise control measures for a head cover thus preventing an increase in the cost, size, and weight of the head cover. A head external wall extends toward the head cover rather than toward a head middle surface in such a manner so as to cover the circumference of the lower cam holder fixed to a head middle surface. The connection to the holder fixation section is established with the base end of an external wall of the head cover abutted on the leading end of the head external wall.05-27-2010
20130112166THRUST BEARING ASSEMBLY FOR ENGINE BLOCK - A thrust bearing assembly for an engine block is disclosed. The engine block 05-09-2013
20090235893Two-Cycle Engine - A two-cycle engine includes a crankshaft that has shafts on both sides and a crankcase that pivotally supports the shafts of the crankshaft through bearings. A collar is circumferentially provided on an outer ring of one of the bearings that supports one of the shafts on a side at which a low load is applied. The crankcase is provided with an inserting portion into which the one of the bearings is inserted. The inserting portion penetrates the crankcase while keeping a constant diameter. An engaging portion with which the collar is engaged from an inner side is provided in an inner portion of the inserting portion.09-24-2009
20080257298Crankcase structure of internal combustion engine - A crankcase structure of an internal combustion engine has a desirable shaft support achieved by maintaining the strength of a side wall of a crankcase at a high level without increasing the weight and the size of the internal combustion engine even when the internal combustion engine has an output shaft projecting from the crankcase. A crankcase structure has a crankshaft and a counter shaft that are rotatably supported on a partitioning plane of a crankcase. A main shaft is oriented in the fore-and-aft direction and is rotatably supported on opposed front and rear walls of either one of the upper and lower crankcases. An output shaft to be driven by a power of the counter shaft penetrates through the front and rear walls of one of the upper and lower crankcases by which the main shaft is not rotatably supported, and projects to the front and rear.10-23-2008
20110277725ENGINE ASSEMBLY WITH CAMSHAFT HOUSING - An engine assembly may include an engine structure, a first camshaft housing assembly and a first camshaft assembly. The first camshaft housing assembly may be supported by the engine structure and have a first portion providing a first plurality of bearing support surfaces on a first side and a second portion coupled to the first portion and providing a second plurality of bearing support surfaces on a second side opposite the first side. The first camshaft assembly may be rotationally supported by the first camshaft housing assembly and arranged between the first portion and second portion.11-17-2011
20110283964CRANK CHAMBER COMMUNICATION STRUCTURE OF MULTI-CYLINDER INTERNAL COMBUSTION ENGINE - A crank chamber communication structure for a multi-cylinder internal combustion engine having a plurality of partition walls that are formed by a cylinder block and a crankcase, that are formed to support a crankshaft and to define a plurality of crank chambers that correspond to the plurality of cylinders, the structure including: a plurality of respective first communicating holes formed in the plurality of partition walls for communication between respective pairs of adjoining crank chambers separated by an interposed partition wall; and a second communicating hole that is formed at least either of the cylinder block or the crankcase, and that is interposed between a pair of non-adjoining crank chambers between which at least two partition walls among the plurality of partition walls are interposed for direct communication between the pair of non-adjoining crank chambers.11-24-2011
20080283018Supporting structure for a camshaft, as well as methods for mounting and manufacturing a camshaft - A cam lobe 11-20-2008
20100300394METAL ALLOY CASTINGS WITH CAST-IN-PLACE TUBES FOR FLUID FLOW - A major engine casting, such as an engine block or a cylinder head, fabricated of either magnesium or aluminum alloy, has a cast-in-place metal tube or form embedded within it. The tube or form enables circulation of liquid while substantially physically isolating the casting alloy from the circulating liquid and thereby restricting or eliminating corrosive interaction between them.12-02-2010
20120291746CYLINDER BLOCK FOR AN INTERNAL COMBUSTION ENGINE AND AN INTERNAL COMBUSTION ENGINE - A cylinder block for an internal combustion engine is provided. The cylinder block has a cylinder block housing and a crankcase. Upper plain bearing halves are arranged in the cylinder block housing toward a lower side of the cylinder block housing and lower plain bearing halves are arranged in a bearing frame toward an upper side of the crankcase. A partition plane is between the cylinder block housing and the crankcase. The upper plain bearing halves have a partition plane to the lower plain bearing halves, which aligns with the partition plane between the cylinder block housing and the crankcase. A bearing frame on both sides of the lower plain bearing halves has projections protruding beyond the partition plane. The projections protrude into recesses on the lower side of the cylinder block housing.11-22-2012
20100139608Portable handheld work apparatus and method of making the same - A portable handheld work apparatus has at least one work tool which is driven by an internal combustion engine (06-10-2010
20090025676METHOD AND APPARATUS FOR STORING AND SUPPLYING A FLUID FOR USE BY AN ENGINE - An apparatus and method for storing and supplying a fluid for use by a motorcycle engine includes a fluid tank assembly that can be mounted so that at least a portion of it is integral with a motorcycle frame. The assembly includes a center block that is mounted within a cavity in the motorcycle frame and two fluid reservoir housings, each mounted on opposite sides of the frame exterior and adjacent to the center block. The center block includes a hole of sufficient diameter that reservoir chambers, defined by the two reservoir housings, are in a free-flowing, fluid communication with one another via the center block hole. Moreover, the center block is a structural element thereby providing strength to the motorcycle frame.01-29-2009
20090199810VEHICLE ENGINE STRUCTURE - An oil pan (08-13-2009
20090241893Bolt fastening structure for internal combustion engine, and engine incorporating same - A bolt fastening structure for an internal combustion engine includes bolt fitting holes formed in a cylinder of the engine. An inner wall of a top portion of a crankcase includes boss portions having openings, as an extension to the corresponding bolt fitting holes, with internal threads formed therein. The crankcase further includes hollow recesses formed thereon between the boss portions and crankshaft rotational support portions. Fastening bolts, each having an external thread formed at a tip portion thereof, are extended through the bolt fitting holes, and engaged with the internal threads of the boss portion. The hollow recesses include portions of the openings of the boss portions having the internal threads opened therein.10-01-2009
20100258074PRESSURE DEVICE FOR A VARIABLE COMPRESSION RATIO ENGINE - A pressure device maintains the raceways (10-14-2010
20100242894VALVE LIFTER GUIDE AND METHOD OF USING SAME - A valve lifter guide mountable in the engine block of an internal combustion engine, the valve lifter guide comprising at least one elongated socket defining a longitudinal axis, the at least one socket dimensioned to receive a valve lifter therein, and at least one tab projecting away from the valve lifter guide along an axis which is non-parallel to the longitudinal axis of the at least one socket. The at least one tab includes a projection thereon which is dimensioned to be received in an opening provided in the engine block. The tab further defines a surface, oriented in a plane generally perpendicular to the orientation of the projection, which is capturable between the engine block and cylinder head.09-30-2010
20110056454STRUCTURE OF CRANKCASE - An object of the present invention is to propose a structure of a crankcase capable of coping with increased combustion pressure inside a cylinder of an engine by a simple and inexpensive means for suppressing the deformation at a middle section between adjacent fastening bolts in a direction connecting the centers of adjacent cylinders. The structure of the crankcase which has a plurality of cylinders and a plurality of bolts arranged on both sides of each of the cylinders for fastening the cylinders to a cylinder head, the structure of the crankcase comprises a reinforcing rib 03-10-2011
20110056453ENGINE HOUSING ENCLOSURE - In the context of an enclosure-housed engine in which an engine 03-10-2011
20100294229ENGINE PART, AND USE OF A CAST IRON ALLOY FOR AN ENGINE PART - An engine component such as, for example, an engine piston or a part thereof, for instance a ring carrier or piston boss bushing, consisting of a cast iron alloy that contains zircon as an alloy constituent in an amount by weight of at least 0.01% and up to 0.1%.11-25-2010
20130139781CYLINDER BLOCK AND METHOD OF MACHINING SAME - A machined shape of a bore is based on the deformation amount of a data-acquisition bore after fastening of cylinder head. A cross section of an approximate shape is set to be an approximately-true circle shape, and a diameter of the approximately-true circle shape is changed along a central axial direction in accordance with the deformation amount of the data-acquisition bore, to determine the approximate shape. The approximate shape has a cross section having the approximately-true circle shape and has a simple shape which is symmetrical about the central axis. Since the machined shape of the bore is the shape obtained by reversing a phase of a recess and a projection of the approximate shape about a predetermined cylindrical shape, the machined shape has a cross section having the approximately-true circle shape and has a simple shape which is symmetrical about the central axis.06-06-2013
20090250034Structural member of an internal combustion engine operated with alcoholic fuel - A structural member comprised of at least one component for an internal combustion piston engine operated with alcoholic fuel, at least one of the components being made of a martensitic steel with a C content of up to 0.7% and a Cr content of 12 to 18% wherein in an installed state of the structural member in the internal combustion engine, the at least one component is directly exposed to the lubricating oil serving to lubricate a crank mechanism of the internal combustion engine.10-08-2009
20110126792Stud Fasteners for Fastening a Cylinder Head to An Engine Block and Kit Containing Said Stud Fasteners - The present invention relates generally to fastening systems, and more specifically, to high tensile or high strength studs. The studs are adapted to be utilized in original manufacture or in the repair or retrofit of internal combustion engines. The improved stud technology can be utilized in the fabrication of new engine builds to improve reliability, extend product life, and the like. Likewise, the stud technology can be used to repair and/or upgrade a failed, compromised, or questionable cylinder head to engine block fastening system. Additionally, a repair or retrofit a kit can be assembled with the improved studs at its foundation. Optionally, any combination of additional items or components useful in the cylinder head to engine block fastener modification can be added to such a kit.06-02-2011
20110030647INTERNAL COMBUSTION ENGINE - An internal combustion engine includes a crankcase unit forming a crank chamber, a cylinder having a cylinder bore and a projecting portion extending toward the crankcase unit so as to be coupled thereto, a piston that reciprocates in the cylinder bore of the cylinder provided with the projecting portion. The crankcase unit has a wall section and a space is formed between the projecting portion of the cylinder and the wall section of the crankcase unit when the crank case unit and cylinder having the projecting portion is coupled, and the space formed between the projecting portion of the cylinder and the wall section of the crankcase unit and an outside space of the crank chamber are communicated by a communicating groove which is provided to at least either one of the cylinder and the crankcase unit.02-10-2011
20100065013ADAPTER FOR PRESSURE SENSORS - The invention relates to an adapter for pressure sensors for monitoring long-term cylinder pressures in internal combustion engines, said adapter comprising a housing 03-18-2010
20100065012Cam housing - A cam housing 03-18-2010
20100319649CRANKCASE OF INTERNAL COMBUSTION ENGINE - A crankcase of an internal combustion engine with a reduced size for an oil pan. A crankcase is composed of an upper crankcase half and a lower crankcase half. A wall portion for defining a space X as a flow passage for a lubricating oil is formed below a journal bolt mounting surface of the lower crankcase half. A tool insertion hole for insertion of a tool for tightening a journal bolt is formed through the wall portion.12-23-2010
20100300395OIL PAN STRUCTURE AND SEPARATOR FOR PARTITIONING OIL PAN - An oil pan 12-02-2010
20100180853AUTOMOTIVE ENGINE BEARING - A bearing for an automotive engine includes a base having a first bearing segment formed therein, and a bearing cap removably mounted to the base, with the bearing cap including fastener towers in contact with the base. A second bearing segment extends between the fastener towers. A number of non-contact stiffening ribs extend parallel to the fastener towers. The stiffening ribs are attached to outboard portions of the fastener towers. The stiffening ribs cause the bearing cap to avoid excessive flexing and distortion, while at the same time avoiding fretting corrosion which would occur were the clamp loads of the cap to the base be reduced by materially increasing the size of the fastener towers.07-22-2010
20110186004HINGED BEAM RETAINER - A retainer extends across first and second overlapping hinged beams to retain the hinged beams against pivotal movement.08-04-2011
20110073064INTEGRALLY CAST BLOCK AND GASEOUS FUEL INJECTED GENERATOR ENGINE - An integrally cast four-stroke engine mono-block (03-31-2011
20110088650INTEGRALLY CAST BLOCK AND UPPER CRANKCASE - An integrally cast four-stroke engine mono-block includes integrally cast cylinder block, cylinder head, and portion of a crankcase including crankcase outboard and inboard walls. At least parts of outer and inner bearing bosses are integrally cast with the cylinder block with the inner bearing boss integrally cast in the inboard wall. At least one cored out longitudinally extending open valve train chamber is disposed between the outboard wall and the cast cylinder block. An alternative embodiment of the integrally cast four-stroke engine mono-block includes at least parts of an outer bearing boss and/or an inner bearing boss integrally cast in the outboard and inboard walls respectively with the cast cylinder block. At least one cored out longitudinally extending open valve train chamber is disposed between the outboard wall and the cast cylinder block. Push tube passages or a belt drive passage may be in the valve train chamber.04-21-2011
20120118256Internal combustion engine - In an engine crankcase including a crankshaft supported at its front end by a crankshaft bearing having a crankshaft bearing cover including a bearing top part and a bearing bottom part and a front end gear drive arranged in front of the crankcase for driving auxiliary component and including a first drive gear mounted onto the crankshaft, a second gear mounted to the auxiliary component and an intermediate gear in meshing engagement with the first and second gears and supported on a support plate, the support plate is screwed onto the crankcase, the bearing top part and the bearing bottom part.05-17-2012
20120125284Motorcycle Engine Crankcase for Simplified Engine Installation and Method of Installing the Same - A motorcycle crankcase is configured to support a crankshaft in a manner such that the crankshaft is rotatable about a crankshaft axis. The motorcycle crankcase comprises a pair of piston cylinder mounts, first and second horizontally oriented downward facing mounting surfaces, a generally semi-cylindrical bottom surface, and a plurality of crankcase bolt lugs. The pair of piston cylinder mounts are configured and adapted to rigidly connect to a pair of piston cylinders oriented in an upright V-twin style manner. The first and second mounting surfaces are configured and adapted to secure the motorcycle crankcase to a motorcycle frame. The crankcase bolt lugs are spaced about the crankshaft axis and each of the crankcase bolt lugs partially protrudes radially outward from the bottom surface. The motorcycle crankcase is devoid of any portion positioned directly beneath the first mounting surface.05-24-2012
20100288224INTERNAL COMBUSTION ENGINE HAVING A CYLINDER CRANKCASE AND A V-SHAPED CYLINDER CONFIGURATION - An internal combustion engine having a cylinder crankcase and a v-shaped cylinder configuration and having a lubricant circuit which operates according to the dry sump principle and has a lubricant reservoir, wherein the lubricant reservoir is located within the cylinder crankcase in the space between the cylinders.11-18-2010
20120167854CYLINDER BLOCK ASSEMBLY - A cylinder block including a cylinder and two crankshaft supports at a bottom of the cylinder block is described. The cylinder block may be coupled to a structural frame such that the cylinder block is lubricated through the structural frame. The cylinder block may reduce vehicle weight and cost.07-05-2012
20120167852CYLINDER BLOCK ASSEMBLY - A cylinder block assembly is provided. The cylinder block assembly includes a cylinder block including a cylinder, two crankshaft supports at a bottom of the cylinder block, first and second cylinder block exterior sidewalls ending above a centerline of the two crankshaft supports. The cylinder block assembly further includes a structural frame coupled to the cylinder block, the structural frame including first and second structural frame exterior sidewalls extending above the centerline of the two crankshaft supports and coupled to the first and second cylinder block exterior sidewalls.07-05-2012
20120167853STRUCTURAL FRAME - A structural frame is provided. The structural frame includes a bottom surface, first and second cylinder block sidewall engaging surfaces, the first and second cylinder block sidewall engaging surfaces positioned above the bottom surface at a height that is above a centerline of a crankshaft support included in a cylinder block when the structural frame is coupled to the cylinder block.07-05-2012
20120167855CYLINDER BLOCK ASSEMBLY - A structural frame is provided herein. The structural frame may provide a lubrication passage that feeds a lubricant to a cylinder block. The structural frame may increase cylinder block strength while allowing a cylinder block to be constructed of less material.07-05-2012
20120167856ENGINE AND METHOD FOR IMPROVED CRANKCASE FATIGUE STRENGTH WITH FRACTURE-SPLIT MAIN BEARING CAPS - The present invention provides reduced fatigue stress levels in a stressed area of an engine crankcase by lowering the outer edges of the crankshaft bearing cap fracture-split lines without changing the central axis location of the crankshaft in the crankcase. This is accomplished by causing the fracture-split lines of the bearing caps to angle downward from the horizontal plane of the crankshaft axis to a slightly lower position at the outer edges of the bearing caps. This lowers the outer edges of the bearing caps sufficiently to allow larger radii to be formed on the lateral connectors of the crankcase support webs with the adjacent sidewalls of the crankcase. Accordingly, the fatigue stress levels in the crankcase web members are reduced without requiring a significant change in the crankcase dimensions.07-05-2012
20100050977MAGNESIUM ALLOY ENGINE BLOCK - The invention features a magnesium alloy engine block. Preferably, the magnesium alloy engine block includes a crankcase formed of magnesium alloy and having a plurality of cylinder chambers, a cylindrical liner fitted into the cylinder chambers, and an integral insert embedded into the crankcase between and below the cylinder chambers and having a crankshaft support part, extension parts which upwardly extend from the crankshaft support part toward the cylinder chambers, and upper coupling parts, the crankshaft support part, the extension parts and the upper coupling parts being integrally formed with one another.03-04-2010
20100269780BRACKET FASTENING STRUCTURE - A first fastening portion (10-28-2010
20120073537ENGINE - An engine is described having a crankcase, a liner and a head assembly. The crankcase is split along a plane defining a two part crankcase, where fluid passages are passing through only one of the crankcase portions, so as to not require crossing the split line. A connecting rod also includes a tapered end, and the piston has a complementary carrier receiving the connecting rod.03-29-2012
20110048367CRANKCASE AND MAIN BEARING CAP CONSTRUCTION - A method for manufacturing an engine includes the steps of: casting a side skirt having first and second opposing sidewalls and casting a transverse wall of the cast material connecting the sidewalls. The transverse wall will form a bulkhead and a main bearing cap. A first void and a second void are cast into the transverse wall on opposite lateral sides of a main bearing journal location, each void adjacent to one of the sidewalls. A main bearing journal hole is then machined into the transverse wall. Cast material is removed along a first removal path from the edge of the transverse wall and ending into the first void, and along a second removal path from the edge of the transverse wall and ending into the second void. A tool exerts an opening force within the circular bore to fracture the cast material along the first and second fracture planes to separate the main bearing cap from the bulkhead. Before fracturing the cast material along the first and second fracture planes, main bearing bolt holes and cross bolt holes can be machined into the bulkhead and the bearing cap. A spacer piece can be fit into the removal paths when reassembling the bearing cap to the bulkhead.03-03-2011
20100229822ENGINE COMPONENT PART AND METHOD FOR PRODUCING THE SAME - An engine component is composed of an aluminum alloy containing silicon, and includes a plurality of primary-crystal silicon grains located on a slide surface. The plurality of primary-crystal silicon grains have an average crystal grain size of no less than about 12 μm and no more than about 50 μm.09-16-2010
20120138009Cam Shaft/Cam Gear Assembly And Thrust Strategy For Engine Using Same - An engine includes a camshaft supported in a housing for rotation about an axis of rotation. A cam gear is attached to one end of the camshaft and includes a first thrust bearing surface. A thrust ring is attached to the cam gear and includes a second thrust bearing surface. A thrust ring retainer is attached to the housing with a plurality of bolts and includes a pair of thrust surfaces trapped between the first thrust bearing surface of the cam gear and a second thrust bearing surface of the thrust ring. The thrust ring retainer also defines a portion of a lubrication connection passage that facilitates pressure equalization among a plurality of lubrication galleries arranged in parallel adjacent the camshaft.06-07-2012
20130167800BEDPLATE ASSEMBLY AND METHOD - A method of constructing a bedplate assembly for retention of a crankshaft in an internal combustion engine having an engine block includes forming a bedplate insert in a first pattern tool. The bedplate insert is defined by a height, a width, and a thickness. The bedplate insert also includes a shape having a variation in the width along the height. The method also includes arranging the formed bedplate insert in a second pattern tool. The method additionally includes forming in the second pattern tool a bedplate frame around the formed bedplate insert to generate the bedplate assembly. During forming of the bedplate frame, the variation in the width of the bedplate insert generates an internal rib in the bedplate frame that is configured to fix and retain the bedplate insert inside the bedplate frame and decrease deflection of the bedplate frame under crankshaft loads during operation of the engine.07-04-2013
20130146018SPLIT BEARING ARRANGEMENT AND A METHOD OF MANUFACTURING A SPLIT BEARING ARRANGEMENT - A split bearing arrangement for reciprocating engines comprises a bedplate section and a block section made of materials differing in hardness. The bedplate section includes at least a bedplate section clamping surface made of an iron material, and has at least one positioning protrusion located on the bedplate section clamping surface. The block section, made of a material having a hardness which is less than the hardness of the iron material, is adapted to be clampable and forcibly pressed against the bedplate section. When the bedplate section is first pressed into the block section, at least one positioning groove located in a block section clamping surface is formed. The at least one positioning protrusion has two longitudinal concave surfaces, two transverse concave surfaces and a substantially flat upper surface.06-13-2013
20090277415CYLINDER CRANKCASE FOR A MOTOR VEHICLE - A quasi-monolithic cylinder crankcase is provided that is cast in a metal permanent mold for an internal combustion engine having an infiltration body penetrating the cylinder crankcase, wherein the infiltration body is composed of an inductively welded, open-cell metal foam.11-12-2009
20130199490REPAIRED ENGINE BLOCK AND REPAIR METHOD - A block for an internal combustion engine having at least one coated cylinder bore, which has a chamfer at a sealing surface with respect to a cylinder head, wherein the chamfer is a curved chamfer.08-08-2013
20100071654PLASTIC COVER HAVING METAL REINFORCEMENT FOR INTERNAL COMBUSTION ENGINE APPLICATIONS AND METHOD OF CONSTRUCTION - A cover assembly for an internal combustion engine application and method of construction therefore provides one construction for a valve cover assembly, and another construction for an end cover assembly for a crankcase. The cover assemblies include at least one rigid metal carrier having a plurality of bolt openings and a plurality of load limiters located about said openings. A material is overmolded on the carrier and about the load limiters, with the material forming an exposed sealing surface for direct engagement with a seal gasket.03-25-2010
20090173310VEHICLE ENGINE AND SNAP-ON ENGINE COVER ASSEMBLY THEREFOR AND METHOD OF ASSEMBLY OF THE COVER ASSEMBLY TO THE ENGINE - A engine and cover assembly therefore and method for snapping attachment of the cover to the engine without use of threaded fasteners includes a cover, a clip, and an elastomeric dampener. The clip is arranged for snapping engagement to a flange of the engine to secure the cover to the engine. The clip has a first portion extending from the cover and a rigid second portion for snapping engagement with the engine flange. The elastomeric dampener is spaced from the second portion of the clip to provide direct engagement of the second portion of the clip with the flange of the engine.07-09-2009
20090145395Oil pan structure and an engine therewith - An oil pan structure includes a plurality of reinforcement beads of several kinds. An engine utilizes the oil pan, whereby the strength and vibration-rigidity (rigidity against vibration) of the oil pan and the engine are sufficiently enhanced so that a natural frequency of the oil pan and the engine therewith becomes adjustable through a selection as to the numbers, locations, and sizes of the beads.06-11-2009
20090241892Crankcase structure for an overhead-camshaft internal combustion engine, and engine incorporating same - An overhead-camshaft internal combustion engine having an outer wall of a crankcase provided adjacent a crankshaft, with a spiral-surfaced opening through which the crankshaft is passed. The outer crankcase wall is integrally provided with a loop guide engaging recess formed thereon. The loop guide engaging recess supports a base end portion of a loop guide for guiding an endless chain. A loop-retaining member for preventing the timing endless chain from dropping is arranged at a position on the lower side of a loop drive sprocket integrally formed at an end portion of the crankshaft.10-01-2009
20090301427CYLINDER HEAD COVER - A cylinder head cover is formed by a synthetic resin outer shell, which is molded by inserting a metal valve case, which holds a oil control valve, in a mold. The valve case has a bolt fastening portion for fastening the valve case, together with the outer shell, to the cam cap. The valve fastening portion has a bolt insertion hole. The bolt fastening portion also has a flange that extends radially outward. The flange has through holes. The flange is embedded in the outer shell, and synthetic resin forming the outer shell fills the through holes.12-10-2009
20100122682EXHAUST COMPONENT COVER - A lightweight exhaust component cover having a small number of components is disclosed. In the exhaust component cover, an internal plate is formed by bending part of a single plate at both ends, and the internal plate is joined to the inside surface of an external plate.05-20-2010
20090235892CYLINDER HEAD COVER - A tubular valve casing formed of metal is molded with an outer shell portion formed of synthetic resin. A valve body is inserted into the valve casing through an opening formed at an end of the valve casing and incorporated in the valve casing. An annular projection is formed in the outer shell portion and projects toward the end surface of the valve casing corresponding to the opening. A seal ring is arranged between the projection and the valve body.09-24-2009
20080295796CYLINDER HEAD COVER - The present invention relates to a cylinder head cover (12-04-2008
20110277724CYLINDER HEAD DRY VALLEY DRAIN - An engine comprises a cylinder head at least partially defining a dry valley and a cover secured to the cylinder head. The cover defines a first aperture. A boss extends from the cylinder head toward the cover. The boss defines a second aperture. A fastener extends through the first aperture and at least partially through the second aperture to secure the cover to the cylinder head. The fastener defines a passage to fluidly connect the dry valley to an exterior of the engine.11-17-2011
20100229821Plastic Structural Oil Sump with Fitted-on Bottom for a Combustion Engine and Method of Fabricating such a Sump - Structural oil sump for a combustion engine, provided with a top opening and comprising:09-16-2010
20090038579ENGINE HEAD COVER ASSEMBLY HAVING AN INTEGRATED OIL SEPARATOR AND A REMOVABLE COVER - A head cover assembly for covering a crankcase of an internal combustion engine includes a head cover, a removable cover, a valve, and an integral oil separator. The oil separator includes a labyrinth that defines a flow path that separates oil from crankcase gases passing therethrough. The valve includes a tubular body presenting a passage for which manifold vacuum may draw crankcase gas from the oil separator. The cover includes an aperture. The tubular body is disposed through the aperture such that the outer tube surface is spaced apart from the inner edge of the aperture to define a gap in which separated oil may drain back into the engine for recycling.02-12-2009
20120024256ENGINE COVER HAVING A RETAINER TO SECURE AN ENGINE ACCESSORY - A cam cover for a cylinder head of an internal combustion engine has an aperture in the cam cover adapted to permit spark plug installation into the cylinder head and two tabs protruding vertically from the cam cover adapted to retain a boss extending from an ignition coil. The ignition coil has a portion adapted to fit over the spark plug and an orifice through the boss. The cam cover also has a recess between the tabs with the recess extending into the cam cover which is adapted to accept a self-tapping screw in the event of a tab failure. The tabs have a varying cross-section along their length such that they allow the orifice to slide over the tabs squeezing the tabs together and then snapping into place when the orifice clears the ramps on the side of the tabs.02-02-2012
20100122683Engine Tool - An engine tool comprises an engine, a housing retaining the engine, a top cover provided above the housing, and an air cleaner room provided at the housing. The engine tool is structured in such a way that external air introduced in the air cleaner room or the housing flows through a space formed between the housing and the top cover. The engine tool further comprises a handle part which is grabbed by a user and which is provided above the top cover. External air flows through a space formed between an area of the top cover where the handle part is provided and the housing. The engine tool still further comprises an air inlet for introducing external air provided at a front part of the engine tool.05-20-2010
20100083930Lower Valve Cover and Intake Manifold Assembly - A lower valve cover and intake manifold assembly (04-08-2010
20120291745ENGINE COVER HAVING A RETAINER TO SECURE AN ENGINE ACCESSORY - A cover has an aperture through which an accessory gains access to the interior side of the cover and a cavity. The accessory may be any kind of sensor or actuator. To secure the accessory to the cover, an adapter coupled to the cover is provided. In one example, the adapter has a cylindrical connection section that is spin welded into place in the cavity. In another example, the adapter has self-tapping threads that engage with the surface surrounding the cavity. The adapter also has tabs extending outwardly from the cover, the tabs having a proximate section and an engagement section. The accessory has a retaining orifice that couples with the tabs in a snap-fit relationship to secure the accessory to the cover.11-22-2012
20090266332SEAL STRUCTURE, CHAIN CASE, AND SEAL STRUCTURE FORMATION METHOD - A chain case disposed opposite an interval between a cylinder block and a cylinder head sandwiching a gasket includes a liquid sealing material guiding recessed portion that opposes the interval and is entirely surrounded by a seal surface. During seal structure formation, a large amount of a liquid sealing material is caused to flow forcefully toward the interior of the interval when an operation is performed to fasten the chain case to the cylinder block and the cylinder head such that the liquid sealing material flows to the innermost portion of the interval, and as a result, the liquid sealing material can reach an end portion of the gasket reliably. Hence, the liquid sealing material can flow sufficiently to positions requiring sealing, whereby lubricating oil leakage from the interior of the chain case can be prevented.10-29-2009
20090038578HEAT SHEILD - A heat shield includes a plurality of elements for shielding temperature-sensitive components. The elements are substantially matched to the respective contour of the component which is to be shielded and which at least partially overlap one another. The elements are fixed but moveable relative to one another in an overlapping region.02-12-2009
20090188465CHAIN COVER OF INTERNAL COMBUSTION ENGINE - A first rib extending downward from a middle portion to an outer peripheral portion is formed on an inner wall of a chain cover. In addition a second rib, which extends downward from the outer peripheral portion to the middle portion and has a height lower than that of the first rib, is formed above the first rib. A projection extending in the height direction of the second rib is provided on an upper surface of the second rib.07-30-2009
20100147253Oil Pan - An oil pan (06-17-2010
20100162988OIL PAN - An oil pan made of resin includes an oil reservoir. The oil reservoir includes a bottom wall and a peripheral wall rising from a periphery of the bottom wall and having an opening at a top of the oil reservoir. A rib is provided in the oil reservoir.07-01-2010
20100175658ENGINE OIL SPRAY COLLECTOR - An engine including an oil spray collector is provided. The collector is located on an underside surface of the valve cover to accept a previously identified oil spray from at least one engine component.07-15-2010
20100192897MULTI-CYLINDER INTERNAL COMBUSTION ENGINE - To reduce the height of a crankcase by arranging a communicating passage in a proper position and to miniaturize an engine in a multi-cylinder internal combustion engine provided with an upper crankcase integrated with a cylinder block or provided separately from the cylinder block on the downside of the cylinder block and a lower crankcase connected to a lower part of the upper crankcase and provided with a communicating passage that communicates with internal spaces of plural crank chambers corresponding to plural cylinders. In the multi-cylinder internal combustion engine, a communicating hole that communicates with the communicating passage is provided on at least either side of the upper crankcase or the lower crankcase, and a cover forming the communicating passage is arranged with the cover covering the communicating hole and is attached to both crankcases across a joined plane of the upper crankcase and the lower crankcase.08-05-2010
20080276901COVER ASSEMBLY FOR AN INTERNAL COMBUSTION ENGINE - A cover assembly is provided, such as a camshaft cover or valve cover, for an internal combustion engine. The cover assembly includes a cover member with a contoured surface. An acoustic barrier member is generally coextensive with the cover member and at least partially approximates the contoured surface. An elastic member is mounted with respect to the acoustic barrier member and spans at least a portion of the acoustic barrier member. A plate member is mounted with respect to the elastic member and is operable to retain the elastic member and the acoustic barrier member with respect to the cover member. The plate member spans substantially the entirety of the elastic member.11-13-2008
20090107450Fuel line protective cover - A fuel line protective cover is disclosed. The fuel line protective cover includes a first leg configured to be mounted to a top surface of an engine and configured to extend the length of an engine. The fuel line protective cover further includes at least one second leg configured to be mounted to a side surface of an engine. The first leg and the at least one second leg cooperate to at least partially enclose a high pressure fuel system.04-30-2009
20110000456ENGINE COVER HAVING A RETAINER TO SECURE AN ENGINE ACCESSORY - A cover has an aperture through which an accessory gains access to the interior side of the cover and a cavity. The accessory may be any kind of sensor or actuator. To secure the accessory to the cover, an adapter coupled to the cover is provided. In one example, the adapter has a cylindrical connection section that is spin welded into place in the cavity. In another example, the adapter has self-tapping threads that engage with the surface surrounding the cavity. The adapter also has tabs extending outwardly from the cover, the tabs having a proximate section and an engagement section. The accessory has a retaining orifice that couples with the tabs in a snap-fit relationship to secure the accessory to the cover.01-06-2011
20110000455ENGINE COVER HAVING A RETAINER TO SECURE AN ENGINE ACCESSORY - A cam cover for a cylinder head of an internal combustion engine which has an aperture in the cam cover adapted to permit spark plug installation into the cylinder head and two tabs protruding vertically from the cam cover adapted to retain a boss extending from an ignition coil is disclosed. The ignition coil has a portion adapted to fit over the spark plug and an orifice through the boss. The cam cover also has a recess between the tabs with the recess extending into the cam cover which is adapted to accept a self-tapping screw in the event of a tab failure. The tabs have a varying cross-section along their length such that they allow the orifice to be slid over the tabs by them squeezing together and then snapping into place when the orifice clears the ramps on the side of the tabs.01-06-2011
20110120408Internal surface heat dissipation oil pan - Variations of a device for collecting viscous fluid from a fluid containing device. Variations include features that protrude into an interior portion and/or from an exterior portion of the device and maximize the surface area of the device exposed to the collected fluid, to enhance cooling and for other purposes. Other variations include both interior and exterior fins or other features as well as convex, concave or bowed side walls. Further, various aspects of the device may be divided into sections arranged to increase the overall surface area of the device exposed to the collected fluid, to enhance cooling and for other purposes. Methods for using the device are also disclosed, including a method that uses the features to cool the collected viscous fluid.05-26-2011
20110209681FASTENING SYSTEM - A fastening apparatus includes a compression limiting member having a dowel portion and a belleville washer portion. A first member defines a first hole, a second member defines a second hole, a third member defines a third hole, and the dowel portion defines a fourth hole. The second member is between the first and third members, and the dowel portion extends through the second hole. The dowel portion is substantially rigid to prevent excessive compression of the second member between the first and third members. The belleville washer portion is elastically compressed between the second and third members such that the washer portion biases the second member toward the first member.09-01-2011
20110073063CYLINDER HEAD COVER STRUCTURE OF MINIATURIZED VEHICLE - A cylinder head cover structure of a vehicle which can shorten a longitudinal length of a vehicle while avoiding the restriction on the layout of an engine. A motorcycle includes a vehicle body frame, an engine which is mounted on the vehicle body frame in a suspended manner and includes a cylinder head cover and a radiator which is arranged in front of the engine and behind a front wheel. A recessed portion which is recessed toward a rear side of the vehicle is formed in the cylinder head cover so as to allow a lower portion of the radiator to enter the recessed portion.03-31-2011
20090217900Housing Part Having Sealing Face and Seal for Internal Combustion Engine - A housing part has a sealing surface around the housing part which is to be fastened by means of a seal to another housing part in a sealing manner. At least one fastening opening is provided for the guiding through of fastening elements, in order to seal the housing part on another housing part. At the at least one fastening opening, a ring-shaped projection is arranged which projects over the sealing surface and defines a minimum distance between the sealing surface of the housing part and sealing surface on the other housing part.09-03-2009
20100059013Camcover Oil Separator - Systems are provided for separating oil from blow-by gases in an internal combustion engine. In one example, a system comprises a camcover configured to be mounted on a cylinder head, and a baffle positioned between the camcover and the cylinder head. The baffle may include at least a first and a second baffle plate, the first baffle plate including a first through-hole on a first face of the first baffle plate, the second baffle plate including a second through-hole on a second face of the second baffle plate. Further, the first and second faces may be positioned opposite one another, and offset such that the first and second through-holes are not fully overlapping.03-11-2010
20100065011Four-cycle air-oil cooled engine, and vehicle incorporating same - A four-cycle air-oil cooled engine includes a cylinder head having a spark plug mounting hole formed therein, and a ring-like groove formed therein and surrounding the spark plug mounting hole. The cylinder head is formed with first and second co-planar sealing surfaces, disposed on a plane perpendicular to an axis of the spark plug mounting hole, and having an opening end of the ring-like groove disposed therebetween. The ring-like groove defines an oil jacket around the periphery of the spark plug mounting hole. A cover member having a flat surface opposed to the first and second flat sealing surfaces of the cylinder head is secured to the cylinder head such that a single gasket is interposed between the first and second sealing surfaces and the flat surface of the cover member.03-18-2010
20110073062OIL PAN STRUCTURE - There is provided, in one aspect of the present description, an oil pan structure attached to a lower portion of an engine for a vehicle. In one example, the oil pan structure comprises has an approximately rectangular bottom wall which accumulates oil continually, a long side wall, and a short side wall, the approximately rectangular bottom wall being surrounded by the long side wall and the short side wall. Further, the bottom wall has a deep bottom section provided approximately in a center of the bottom wall and in a portion where the oil is pumped up, a shallow bottom section which has a depth that is shallower than that of the deep bottom section, and a connecting wall section extending vertically and connecting the deep bottom section with the shallow bottom section, the shallow bottom section being provided on both sides of the deep bottom section.03-31-2011
20110061626HEAD COVER OF AN INTERNAL COMBUSTION ENGINE - A height of an upper end of an oil outflow prevention wall 03-17-2011
20100242893OIL STORAGE STRUCTURE FOR ENGINE, ENGINE INCORPORATING SAME, AND VEHICLE INCORPORATING SAME - An internal combustion engine includes an oil storage structure defining an oil storage chamber provided for storing oil therein. The engine is configured such that a crankcase cover, covering a clutch mechanism, is joined to a crankcase for forming an oil storage chamber. The oil storage structure is applied to an engine having a vertically split crankcase, and is configured to prevent the clutch mechanism from dipping into stored oil so that clutch disengagement performance is not affected, and reliability of the liquid-tight sealing performance is extended. The crankcase cover is formed with a partition wall extending along the outer circumference of the clutch mechanism. The partition wall splits a space between the crankcase and the crankcase cover into two chambers. Of these chambers, a chamber separate from a clutch mechanism is used as the oil storage chamber, which is formed only by a lower crankcase and the crankcase cover.09-30-2010
20090000591Camshaft Support Structure for Internal Combustion Engine - A cylinder head of an internal combustion engine is fitted with rocker arms. Camshafts are disposed so that the rocker arms and cams will be brought into contact with each other. The camshafts are rotatably supported by lower bearings, which supports the camshafts from below, and by upper bearings integrated with a head cover. The head cover is provided with visual observation windows that make it possible to see valve system parts through the head cover. A visual observation window covers for covering the visual observation windows are fixed to the head cover.01-01-2009
20120199096COVER MEMBER FASTENING METHOD AND FASTENING STRUCTURE FOR A HEAD COVER - A cover member fastening method and fastening structure are provided which can surly fasten and fix an abutting portion needing firm abutment and fixing and suppress a deformation of the cover member while suppressing a transmission of vibration to the cover member by further reducing the contact area with an engine body. In a fastening structure for a head cover (08-09-2012
20120199095CAMSHAFT COVER GASKET WITH INTEGRAL PCV BAFFLE - A gasket for sealing between a cylinder head and a camshaft cover includes a seal portion that defines a first region and a second region. The first region seals a perimeter of a camshaft chamber, and the second region seals a perimeter of a PCV chamber. A membrane extends across the second region to define a baffle for the PCV chamber that prevents oil from sloshing up from the crankcase into the PCV chamber. The membrane is integrally formed with the seal portion from the same seal material.08-09-2012
20110017166ROCKER COVER SYSTEM - A cover system for an internal combustion engine having an overhead valve or overhead cam configuration includes a cover attached to a head plate. The cover has sides extending from a top surface and terminating in a flange with an overhang. The overhang includes a catch. The head plate has sides extending from a bottom surface and terminating in a curl. The flange and the overhang are positioned adjacent to the curl with the catch engaging an end of the curl.01-27-2011
20100018493Device for Separating Oil From Blow-By Gas - A device for separating oil includes a blow-by gas passage provided to a head cover to discharge blow-by gas introduced from an engine and a separator coupled to the blow-by gas passage to separate oil from the blow-by gas. The device for separating oil from blow-by gases can effectively separate oil from the blow-by gas. Since the blow-by gas passage for discharging the blow-by gas is provided to the head cover, a hose or a pipe is not required to carry the blow-by gas, and thereby the engine can be designed to be compact.01-28-2010
20120037116ENGINE ARRANGEMENT COMPRISING A NOISE SHIELD - An engine arrangement for a vehicle, such as a commercial vehicle such as a truck, includes subsequently arranged and encompassed in a casing an engine block, an engine transmission and a flywheel. A noise shield patch is arranged at a circumferential section of the casing corresponding to the location of the flywheel and/or the engine transmission overlaying not more than 75% of the circumferential section. The patch is arranged predominantly beneath the casing.02-16-2012
20120204828OIL PAN - The present invention is provided with a configuration which makes it possible to inhibit contact between an oil (L) and a gas in an oil pan (08-16-2012
20120152199Replaceable Filter Having a Filter Closure System - A replaceable filter has a filter housing with a cylindrical connecting end. A housing lid has a cylindrical counter connecting member matching the cylindrical connecting end. A filter closure system seal-tightly connects by form fit the cylindrical connecting end and the cylindrical counter connecting member when the connecting end is inserted or pushed onto the counter connecting member in an axial connecting direction and moved relative to the counter connecting member. An annular member is arranged coaxially relative to the connecting end and has a terminal edge area that is connected seal-tightly to the filter housing such that the annular member and the connecting end define a receptacle for the cylindrical counter connecting member. A sealing device is arranged in the receptacle and connected to the filter housing. The sealing device interacts with the counter connecting member.06-21-2012
20090151690Engine oil pan structure - An engine oil pan structure includes a lower case having a pair of side walls and a plurality of bearing cap sections for connection between the side walls. A balancer device provided under the lower case, mounts on a mounting section formed at positions of the bearing cap section adjoining the side walls. An oil pan covering the balancer device is joined to lower end portions of the side walls. A reinforcing rib having a horseshoe-shaped form and surrounding the balancer device is provided on an external surface of the oil pan, and two end portions of the reinforcing rib are joined or monolithic with portions of a flange section for joining the oil pan to the side walls adjoining the mounting section to reduce noise of an engine having a balancer device.06-18-2009
20100089359CAM COVER - Cam covers including a shell of the plastic material reinforced with a support structure and one or more end caps and methods for making cam covers incorporating a plastic shell and a metal or plastic support structure and one or more end caps are described herein.04-15-2010
20120125283INTERNAL COMBUSTION ENGINE - An internal combustion engine includes, but is not limited to an engine block, a crankshaft associated to the engine block, a cylinder head fixed on top of the engine block so as to define an assembly axis of the internal combustion engine, a camshaft, and a housing for a timing device connecting the crankshaft to the camshaft, the housing having a frontal opening which is laterally delimited by two opposite sidewalls belonging to the engine block and two opposite sidewalls belonging to the cylinder head, the frontal opening being closed with a first cover fixed to the sidewalls of the engine block, and with a second cover fixed to the sidewalls of the cylinder head.05-24-2012
20100206262INTERNAL COMBUSTION ENGINE COVERS - Metal plated organic polymer compositions are useful as vehicular engine covers. Such covers may have lighter weight, and/or superior corrosion resistance, and/or be more easily made than conventional covers.08-19-2010
20100288223OIL PAN/AXLE SUPPORT - The invention relates to an oil pan/axle support. There is a need for an oil pan/axle support which is a structural member and which places the front axle support in front of the engine. Such an oil pan/axle support includes a rigid structural housing capable of forming a portion of a frame of a vehicle. The housing has an aft portion and a forward portion. The aft portion forms an engine oil reservoir surrounded by a rim. The rim has an upwardly facing sealing surface for engagement with a block of an engine. The forward portion extends forward from the aft portion and forms a pair of fore-and-aft spaced apart pivot bores for receiving a front axle pivot pin so that the front axle is spaced forward with respect to a front portion of the engine.11-18-2010
20100050976ENGINE FOR VEHICLE - A vehicle engine includes the crankcase for supporting thereon the crankshaft, the input shaft and the output shaft, with the crankcase being composed of a left case half and a right case half which are joined to each other at a plane orthogonal to the axis of the crankshaft. A starter motor together with a speed sensor, for detecting the vehicle speed from the rotation of a gear in a transmission, are mounted to an upper surface of the crankcase. The starter motor is arranged at a portion, just above the input shaft, of the upper surface of the crankcase, while the speed sensor for detecting the rotation of a gear on the output shaft is arranged at a portion, just above the output shaft, of the upper surface of the crankcase. The crankcase is formed with a raised wall for covering one side surface of the speed sensor.03-04-2010
20100269779VALVE COVER WITH A DISPLAY WINDOW - A valve cover includes a base that attaches to an engine and a display window that attaches to the base. The display window is made of material that can withstand the operating environment of the engine, including temperature and resistance to petroleum-based substances. The display window is secured to the base using a flexible gasket that encircles the display window and snaps into a groove in the base to secure the display window to the base. The display window may be see-through so the valves are visible. The display window may also include one or more display elements, such as light-emitting diodes, optical fibers, electro-luminescent panels, incandescent bulbs, liquid crystal displays, etc. The display window may include embossed or etched portions, and may include multiple colors and sequenced operation to provide any desired effect on the display panel.10-28-2010
20120255516CYLINDER BLOCK ASSEMBLY FOR X-ENGINES - A cylinder block assembly (10-11-2012
20110265757ALUMINUM ALLOY POWDER METAL BULK CHEMISTRY FORMULATION - A powder metal mixture is disclosed that provides improved mechanical properties for parts made from powder metal, such as cam caps. The powder metal mixture, upon sintering, forms an S phase intermetallic in the Al—Cu—Mg alloy system. The S phase is present in a concentration that results in an enhanced response to cold work strengthening of the powder metal part. Further, by minor adjustments to certain alloy elements, such as tin, the tensile properties of the resultant part may be adjusted.11-03-2011
20130133611COVER STRUCTURE FOR INTERNAL COMBUSTION ENGINE - A cover structure, for an internal combustion engine, that can inhibit lubricating oil from remaining at a protrusion portion is provided. The cover structure for an engine includes a chain case that covers a timing train mechanism, and a timing train chamber is formed between the chain case and the engine main body. The chain case includes bolt insertion holes provided at side marginal portions and directed toward the engine main body, a variable-valve boss portion and a second-oil-path boss portion that protrude from a wall portion toward the engine main body and form a recessed portion where lubricating oil for lubricating the timing train mechanism remains, and a first rib that is protruding from the wall portion toward the engine main body and provided upper than at least the recessed portion.05-30-2013
20100282203Oil Pan for an Internal Combustion Engine - The invention relates to an oil pan made of thermoplastic for an internal combustion engine, said oil pan comprising integrated oil cooler and an integrated oil filter, a straight connection opening being provided between the oil cooler and the oil filter.11-11-2010
20090107449WINDAGE TRAY - A windage tray apparatus is provided and is configured to be mountable within a crankcase at least partially defined by an engine block of an internal combustion engine. The crankcase has a first bay and a non-adjacent second bay. The internal combustion engine has a crankshaft rotatably supported within the crankcase. The windage tray includes a tray member and a passage at least partially defined by said tray member and in communication with the first bay and the non-adjacent second bay. The passage is operable to allow gas transfer between the first bay and the non-adjacent second bay to reduce the motoring friction of the internal combustion engine. An internal combustion engine incorporating the disclosed windage tray apparatus is also provided.04-30-2009
20090194060METHOD FOR PRODUCING A SUPPORT PLATE FOR VALVE BODIES AND A SUPPORT PLATE - A method for producing a support plate (08-06-2009
20090159038ACCESSORY MOUNTING STRUCTURE - A horizontal groove extending horizontally when an alternator bracket is fixed to a cylinder block of a vehicle engine is formed in the alternator bracket. A shank of a bolt inserted through mounting pieces of an alternator is inserted into the horizontal groove from a horizontally lateral direction toward the cylinder block to support the bolt on a lower surface of the horizontal groove. After insertion, the bolt is restrained from moving toward an opening of the horizontal groove. Since the insertion of the bolt into the horizontal groove is facilitated, and the weight of the alternator is borne by the lower surface of the horizontal groove, a burden on a fixing portion is reduced, and it becomes easy to position the alternator and hold it when it is fixed. Thus, the accessory can be mounted on the cylinder block with satisfactory work efficiency and with support accuracy kept high.06-25-2009
20090205605ENGINE INCLUDING A SELF-ADJUSTING THERMALLY COMPLIANT BRACKET - An engine bracket assembly may include a first mounting portion, a second mounting portion, and a support member. The first mounting portion may fix a first end of the bracket assembly to the engine and the second mounting portion may fix a second end of the bracket assembly to the engine. The support member may support an engine component and may be disposed between and coupled to the first and second mounting portions. The coupling between the first and second mounting portions and the support member may provide relative displacement between the first mounting portion and the support member in a longitudinal direction extending from one of the first and second mounting portions toward the other of the first and second mounting portions during thermal expansion of the bracket assembly.08-20-2009
20090283066Portable gas powered internal combustion engine arrangement - A gas powered internal combustion engine in which the gas is provided from pressurized liquid gas in an LPG container and in which the LPG container is rigidly mounted adjacent to the internal combustion engine at a preselected angle to be in conductive heat transfer relationship to the internal combustion engine and in vibration receiving relationship to the internal combustion engine whereby the liquified gas in the LPG container is heated and the effective surface area thereof is increased.11-19-2009
20130213343EXHAUST FLANGE WITH PRESSURE CLAMP MOUNTING RAIL - A system for mounting a duct to a port mounting in an engine where the port mounting has an opening and a mounting surface that surrounds the opening. The system includes a flange with a tongue portion that mates with a shoulder of a mounting rail that does not extend over the mounting surface of the port mounting, which allows for easy installation in locations with limited space.08-22-2013
20100065010Roller bearing,cam shaft support structure, Internal combustion engine & incorporation method of roller bearing - A needle roller bearing (03-18-2010
20110239977CRANKCASE OF INTERNAL COMBUSTION ENGINE - A crankcase of an internal combustion engine includes protruding portions formed on an outer surface of the crankcase which are constituted of a pair of left and right wall members, and a vibration isolating rubber is fitted between the wall members. The crankcase configured n this manner prevents the generation of sounds from a protruding portion of the crankcase and is light-weight.10-06-2011
20110041795Method for producing a housing for an engine-or gearbox mount and housing produced with the method - A housing of a engine or gear box mount and its manufacture is provided. The engine or gearbox mount can be cost-effectively manufactured from extruded profiles by interlocking at least two mutually orthogonal and preferably non-positively and positively connected segments (02-24-2011
20090107448AGGREGATE CARRIER - An aggregate carrier is provided for an internal combustion engine of a motor vehicle that serves to connect motor vehicle aggregates to the internal combustion engine and for this purpose includes, but is not limited to a first mount to be connected to the internal combustion engine. The first mount is realized in such a way that a force can be exerted upon the internal combustion engine in a first mounting direction. The aggregate carrier furthermore features a second mount to be connected to the internal combustion engine. The second mount is realized in such a way that a force can be exerted upon the internal combustion engine in a second mounting direction. The second mounting direction extends at an angle α relative to the first mounting direction.04-30-2009
20080223329COMPOUND BRACKET SYSTEM - A compound bracket system (09-18-2008
20130180495Detachable Power Head - A detachable power head (07-18-2013
20090013958Camshaft Support Structure For an Internal Combustion Engine - A lower cam carrier is disposed over a cylinder head and a head cover is disposed thereover. The lower cam carrier has, formed as one therewith, an outer frame superposed with the edge peripheral edge of the cylinder head, and a bridging part provided between opposing sides of the outer frame part. The bridging part has a lower bearing for supporting an intake camshaft and an exhaust camshaft. The head cover has, formed as one therewith, a flange part superposed with the outer frame part and a bearing part opposing the bridging part inside the flange part 01-15-2009
20100059014 IMPROVED INTERNAL COMBUSTION ENGINE WITH BEARING CAP DAMPENING - An internal combustion engine has an engine block including a crankshaft which is mounted on the engine block by at least a first and a second main bearings, wherein the main bearings each include a first bearing portion and a second bearing portion, the second bearing portion being part of a bearing cap, wherein at least the first bearing cap is connected to the engine block or to the second bearing cap by at least one dampening structure, the structure including a first support portion fixed on the bearing cap, a second support portion fixed on the engine block or on an adjacent bearing cap, and a dampening portion including an elastomeric material which connects the two support portions.03-11-2010
20120031366ROLLERIZED CRANKTRAIN BEDPLATE, RECIPROCATING ENGINE EMBODYING SAME AND ENGINE FURTHER INCLUDING ROLLERIZED CRANKTRAIN - Featured is a bedplate for a reciprocating engine having a rollerized cranktrain. Such a bedplate includes a peripheral support structure having sides and ends, a plurality of cross members that extend between the sides of the peripheral support structure, and a plurality of rolling element bearings. Each of the plurality of cross members includes a bearing support portion, the bearing support portion being configured so as to receive and retain therein a portion of one of the rolling element bearings. Also, the portion of the rolling element bearing is such that when the bedplate is secured to a cylinder block of the reciprocating engine, the bearing support portion rotatably supports a crankshaft of the reciprocating engine. Also featured is a reciprocating engine having such a bedplate.02-09-2012
Entries
DocumentTitleDate
20120160207BEARING SHELL WITH IMPROVED SIDE LOAD CAPABILITY - An engine bearing shell with improved side load capability is disclosed. The engine bearing includes an upper bearing shell having a first single side relief portion. The engine bearing also includes a lower bearing shell having a second side relief portion. The upper bearing shell and the lower bearing shell may be assembled to form a cylindrical bore that is disposed therebetween. The first and second single side relief portions are configured to compensate for any offset shift that occurs at parting lines located between the assembled upper and lower bearing shells.06-28-2012
20130133612CRANKCASE STRUCTURE OF INTERNAL COMBUSTION ENGINE - A bearing holding portion supporting a crankshaft in a manner to rotate freely via a bearing and fittingly holding the bearing is formed in a crankcase. A second cross section passing through a crankshaft axis line and along an orthogonal direction to a cylinder axis line is set to have a larger cross-sectional area than a first cross section passing through the crankshaft axis line and along a direction of the cylinder axis line in the bearing holding portion.05-30-2013
20090120403ENGINE ASSEMBLY FOR A VEHICLE - An engine assembly for a vehicle, including a tie-rod connected to the engine, a suspension for fixing to the vehicle chassis, and a connector fixed to the engine, on which the tie-rod and the suspension are mounted. The connector is configured to physically decouple the tie-rod from the suspension.05-14-2009
20100024760INTERNAL COMBUSTION ENGINE - An internal combustion engine in which it can be made difficult for bubbles to mix into oil in a flowing-down process of the oil. In a generator chamber, a shielding rib is provided which is disposed between a generator and an oil introduction port in side view and which extends skewly upwardly from the oil introduction port in a manner so as to cover one end side of the oil introduction port. A guide rib extends from a side wall of the generator chamber in the manner of covering the other end side of the oil introduction port.02-04-2010
20090044781Portable Engine - A portable engine, comprising an engine casing, an air deflector cover, a fan and an exhaust pipe; a left upper baffle plate and a right upper baffle plate at the upper part of the engine constitute two left and right upper air ducts together with a cylinder head cover and the engine casing; a left lower baffle plate and a right lower baffle plate at the lower part of the engine constitute two left and right lower air ducts together with the engine casing; and a base plate of the engine and the engine casing constitute a bottom air duct. The portable engine can specifically cool each part through controlling air intake of each air duct, thus attaining better cooling effect for the engine.02-19-2009
20130068191CHAIN CASE STRUCTURE FOR ENGINE - A chain case structure of an engine, wherein, when a chain case is viewed in the crankshaft direction, both side portions of a mount bracket unit in the width direction extend to the left edge portion or the right edge portion of the chain case and the upper edge portion of the chain case, and a fastening portion to an engine main body is provided on the lower portion of the mount bracket portion. A cylinder portion of a hydraulic control valve of a variable valve mechanism is disposed below the fastening portion while the outer peripheral surface of the cylinder portion is mutually coupled to the mount bracket portion. Reinforcement ribs extend downward from the bottom of the mount bracket, across the cylinder portion.03-21-2013
20100126459FIXATION STRUCTURE FOR VALVE SYSTEM ROTATION SHAFT OF INTERNAL COMBUSTION ENGINE - A fixation structure for a valve system rotation shaft of an internal combustion engine to support a camshaft with a cylinder head through the use of a lower cam holder and cam caps, which are formed separately from the cylinder head. The fixation structure eliminates the necessity of taking special vibration/noise control measures for a head cover thus preventing an increase in the cost, size, and weight of the head cover. A head external wall extends toward the head cover rather than toward a head middle surface in such a manner so as to cover the circumference of the lower cam holder fixed to a head middle surface. The connection to the holder fixation section is established with the base end of an external wall of the head cover abutted on the leading end of the head external wall.05-27-2010
20130112166THRUST BEARING ASSEMBLY FOR ENGINE BLOCK - A thrust bearing assembly for an engine block is disclosed. The engine block 05-09-2013
20090235893Two-Cycle Engine - A two-cycle engine includes a crankshaft that has shafts on both sides and a crankcase that pivotally supports the shafts of the crankshaft through bearings. A collar is circumferentially provided on an outer ring of one of the bearings that supports one of the shafts on a side at which a low load is applied. The crankcase is provided with an inserting portion into which the one of the bearings is inserted. The inserting portion penetrates the crankcase while keeping a constant diameter. An engaging portion with which the collar is engaged from an inner side is provided in an inner portion of the inserting portion.09-24-2009
20080257298Crankcase structure of internal combustion engine - A crankcase structure of an internal combustion engine has a desirable shaft support achieved by maintaining the strength of a side wall of a crankcase at a high level without increasing the weight and the size of the internal combustion engine even when the internal combustion engine has an output shaft projecting from the crankcase. A crankcase structure has a crankshaft and a counter shaft that are rotatably supported on a partitioning plane of a crankcase. A main shaft is oriented in the fore-and-aft direction and is rotatably supported on opposed front and rear walls of either one of the upper and lower crankcases. An output shaft to be driven by a power of the counter shaft penetrates through the front and rear walls of one of the upper and lower crankcases by which the main shaft is not rotatably supported, and projects to the front and rear.10-23-2008
20110277725ENGINE ASSEMBLY WITH CAMSHAFT HOUSING - An engine assembly may include an engine structure, a first camshaft housing assembly and a first camshaft assembly. The first camshaft housing assembly may be supported by the engine structure and have a first portion providing a first plurality of bearing support surfaces on a first side and a second portion coupled to the first portion and providing a second plurality of bearing support surfaces on a second side opposite the first side. The first camshaft assembly may be rotationally supported by the first camshaft housing assembly and arranged between the first portion and second portion.11-17-2011
20110283964CRANK CHAMBER COMMUNICATION STRUCTURE OF MULTI-CYLINDER INTERNAL COMBUSTION ENGINE - A crank chamber communication structure for a multi-cylinder internal combustion engine having a plurality of partition walls that are formed by a cylinder block and a crankcase, that are formed to support a crankshaft and to define a plurality of crank chambers that correspond to the plurality of cylinders, the structure including: a plurality of respective first communicating holes formed in the plurality of partition walls for communication between respective pairs of adjoining crank chambers separated by an interposed partition wall; and a second communicating hole that is formed at least either of the cylinder block or the crankcase, and that is interposed between a pair of non-adjoining crank chambers between which at least two partition walls among the plurality of partition walls are interposed for direct communication between the pair of non-adjoining crank chambers.11-24-2011
20080283018Supporting structure for a camshaft, as well as methods for mounting and manufacturing a camshaft - A cam lobe 11-20-2008
20100300394METAL ALLOY CASTINGS WITH CAST-IN-PLACE TUBES FOR FLUID FLOW - A major engine casting, such as an engine block or a cylinder head, fabricated of either magnesium or aluminum alloy, has a cast-in-place metal tube or form embedded within it. The tube or form enables circulation of liquid while substantially physically isolating the casting alloy from the circulating liquid and thereby restricting or eliminating corrosive interaction between them.12-02-2010
20120291746CYLINDER BLOCK FOR AN INTERNAL COMBUSTION ENGINE AND AN INTERNAL COMBUSTION ENGINE - A cylinder block for an internal combustion engine is provided. The cylinder block has a cylinder block housing and a crankcase. Upper plain bearing halves are arranged in the cylinder block housing toward a lower side of the cylinder block housing and lower plain bearing halves are arranged in a bearing frame toward an upper side of the crankcase. A partition plane is between the cylinder block housing and the crankcase. The upper plain bearing halves have a partition plane to the lower plain bearing halves, which aligns with the partition plane between the cylinder block housing and the crankcase. A bearing frame on both sides of the lower plain bearing halves has projections protruding beyond the partition plane. The projections protrude into recesses on the lower side of the cylinder block housing.11-22-2012
20100139608Portable handheld work apparatus and method of making the same - A portable handheld work apparatus has at least one work tool which is driven by an internal combustion engine (06-10-2010
20090025676METHOD AND APPARATUS FOR STORING AND SUPPLYING A FLUID FOR USE BY AN ENGINE - An apparatus and method for storing and supplying a fluid for use by a motorcycle engine includes a fluid tank assembly that can be mounted so that at least a portion of it is integral with a motorcycle frame. The assembly includes a center block that is mounted within a cavity in the motorcycle frame and two fluid reservoir housings, each mounted on opposite sides of the frame exterior and adjacent to the center block. The center block includes a hole of sufficient diameter that reservoir chambers, defined by the two reservoir housings, are in a free-flowing, fluid communication with one another via the center block hole. Moreover, the center block is a structural element thereby providing strength to the motorcycle frame.01-29-2009
20090199810VEHICLE ENGINE STRUCTURE - An oil pan (08-13-2009
20090241893Bolt fastening structure for internal combustion engine, and engine incorporating same - A bolt fastening structure for an internal combustion engine includes bolt fitting holes formed in a cylinder of the engine. An inner wall of a top portion of a crankcase includes boss portions having openings, as an extension to the corresponding bolt fitting holes, with internal threads formed therein. The crankcase further includes hollow recesses formed thereon between the boss portions and crankshaft rotational support portions. Fastening bolts, each having an external thread formed at a tip portion thereof, are extended through the bolt fitting holes, and engaged with the internal threads of the boss portion. The hollow recesses include portions of the openings of the boss portions having the internal threads opened therein.10-01-2009
20100258074PRESSURE DEVICE FOR A VARIABLE COMPRESSION RATIO ENGINE - A pressure device maintains the raceways (10-14-2010
20100242894VALVE LIFTER GUIDE AND METHOD OF USING SAME - A valve lifter guide mountable in the engine block of an internal combustion engine, the valve lifter guide comprising at least one elongated socket defining a longitudinal axis, the at least one socket dimensioned to receive a valve lifter therein, and at least one tab projecting away from the valve lifter guide along an axis which is non-parallel to the longitudinal axis of the at least one socket. The at least one tab includes a projection thereon which is dimensioned to be received in an opening provided in the engine block. The tab further defines a surface, oriented in a plane generally perpendicular to the orientation of the projection, which is capturable between the engine block and cylinder head.09-30-2010
20110056454STRUCTURE OF CRANKCASE - An object of the present invention is to propose a structure of a crankcase capable of coping with increased combustion pressure inside a cylinder of an engine by a simple and inexpensive means for suppressing the deformation at a middle section between adjacent fastening bolts in a direction connecting the centers of adjacent cylinders. The structure of the crankcase which has a plurality of cylinders and a plurality of bolts arranged on both sides of each of the cylinders for fastening the cylinders to a cylinder head, the structure of the crankcase comprises a reinforcing rib 03-10-2011
20110056453ENGINE HOUSING ENCLOSURE - In the context of an enclosure-housed engine in which an engine 03-10-2011
20100294229ENGINE PART, AND USE OF A CAST IRON ALLOY FOR AN ENGINE PART - An engine component such as, for example, an engine piston or a part thereof, for instance a ring carrier or piston boss bushing, consisting of a cast iron alloy that contains zircon as an alloy constituent in an amount by weight of at least 0.01% and up to 0.1%.11-25-2010
20130139781CYLINDER BLOCK AND METHOD OF MACHINING SAME - A machined shape of a bore is based on the deformation amount of a data-acquisition bore after fastening of cylinder head. A cross section of an approximate shape is set to be an approximately-true circle shape, and a diameter of the approximately-true circle shape is changed along a central axial direction in accordance with the deformation amount of the data-acquisition bore, to determine the approximate shape. The approximate shape has a cross section having the approximately-true circle shape and has a simple shape which is symmetrical about the central axis. Since the machined shape of the bore is the shape obtained by reversing a phase of a recess and a projection of the approximate shape about a predetermined cylindrical shape, the machined shape has a cross section having the approximately-true circle shape and has a simple shape which is symmetrical about the central axis.06-06-2013
20090250034Structural member of an internal combustion engine operated with alcoholic fuel - A structural member comprised of at least one component for an internal combustion piston engine operated with alcoholic fuel, at least one of the components being made of a martensitic steel with a C content of up to 0.7% and a Cr content of 12 to 18% wherein in an installed state of the structural member in the internal combustion engine, the at least one component is directly exposed to the lubricating oil serving to lubricate a crank mechanism of the internal combustion engine.10-08-2009
20110126792Stud Fasteners for Fastening a Cylinder Head to An Engine Block and Kit Containing Said Stud Fasteners - The present invention relates generally to fastening systems, and more specifically, to high tensile or high strength studs. The studs are adapted to be utilized in original manufacture or in the repair or retrofit of internal combustion engines. The improved stud technology can be utilized in the fabrication of new engine builds to improve reliability, extend product life, and the like. Likewise, the stud technology can be used to repair and/or upgrade a failed, compromised, or questionable cylinder head to engine block fastening system. Additionally, a repair or retrofit a kit can be assembled with the improved studs at its foundation. Optionally, any combination of additional items or components useful in the cylinder head to engine block fastener modification can be added to such a kit.06-02-2011
20110030647INTERNAL COMBUSTION ENGINE - An internal combustion engine includes a crankcase unit forming a crank chamber, a cylinder having a cylinder bore and a projecting portion extending toward the crankcase unit so as to be coupled thereto, a piston that reciprocates in the cylinder bore of the cylinder provided with the projecting portion. The crankcase unit has a wall section and a space is formed between the projecting portion of the cylinder and the wall section of the crankcase unit when the crank case unit and cylinder having the projecting portion is coupled, and the space formed between the projecting portion of the cylinder and the wall section of the crankcase unit and an outside space of the crank chamber are communicated by a communicating groove which is provided to at least either one of the cylinder and the crankcase unit.02-10-2011
20100065013ADAPTER FOR PRESSURE SENSORS - The invention relates to an adapter for pressure sensors for monitoring long-term cylinder pressures in internal combustion engines, said adapter comprising a housing 03-18-2010
20100065012Cam housing - A cam housing 03-18-2010
20100319649CRANKCASE OF INTERNAL COMBUSTION ENGINE - A crankcase of an internal combustion engine with a reduced size for an oil pan. A crankcase is composed of an upper crankcase half and a lower crankcase half. A wall portion for defining a space X as a flow passage for a lubricating oil is formed below a journal bolt mounting surface of the lower crankcase half. A tool insertion hole for insertion of a tool for tightening a journal bolt is formed through the wall portion.12-23-2010
20100300395OIL PAN STRUCTURE AND SEPARATOR FOR PARTITIONING OIL PAN - An oil pan 12-02-2010
20100180853AUTOMOTIVE ENGINE BEARING - A bearing for an automotive engine includes a base having a first bearing segment formed therein, and a bearing cap removably mounted to the base, with the bearing cap including fastener towers in contact with the base. A second bearing segment extends between the fastener towers. A number of non-contact stiffening ribs extend parallel to the fastener towers. The stiffening ribs are attached to outboard portions of the fastener towers. The stiffening ribs cause the bearing cap to avoid excessive flexing and distortion, while at the same time avoiding fretting corrosion which would occur were the clamp loads of the cap to the base be reduced by materially increasing the size of the fastener towers.07-22-2010
20110186004HINGED BEAM RETAINER - A retainer extends across first and second overlapping hinged beams to retain the hinged beams against pivotal movement.08-04-2011
20110073064INTEGRALLY CAST BLOCK AND GASEOUS FUEL INJECTED GENERATOR ENGINE - An integrally cast four-stroke engine mono-block (03-31-2011
20110088650INTEGRALLY CAST BLOCK AND UPPER CRANKCASE - An integrally cast four-stroke engine mono-block includes integrally cast cylinder block, cylinder head, and portion of a crankcase including crankcase outboard and inboard walls. At least parts of outer and inner bearing bosses are integrally cast with the cylinder block with the inner bearing boss integrally cast in the inboard wall. At least one cored out longitudinally extending open valve train chamber is disposed between the outboard wall and the cast cylinder block. An alternative embodiment of the integrally cast four-stroke engine mono-block includes at least parts of an outer bearing boss and/or an inner bearing boss integrally cast in the outboard and inboard walls respectively with the cast cylinder block. At least one cored out longitudinally extending open valve train chamber is disposed between the outboard wall and the cast cylinder block. Push tube passages or a belt drive passage may be in the valve train chamber.04-21-2011
20120118256Internal combustion engine - In an engine crankcase including a crankshaft supported at its front end by a crankshaft bearing having a crankshaft bearing cover including a bearing top part and a bearing bottom part and a front end gear drive arranged in front of the crankcase for driving auxiliary component and including a first drive gear mounted onto the crankshaft, a second gear mounted to the auxiliary component and an intermediate gear in meshing engagement with the first and second gears and supported on a support plate, the support plate is screwed onto the crankcase, the bearing top part and the bearing bottom part.05-17-2012
20120125284Motorcycle Engine Crankcase for Simplified Engine Installation and Method of Installing the Same - A motorcycle crankcase is configured to support a crankshaft in a manner such that the crankshaft is rotatable about a crankshaft axis. The motorcycle crankcase comprises a pair of piston cylinder mounts, first and second horizontally oriented downward facing mounting surfaces, a generally semi-cylindrical bottom surface, and a plurality of crankcase bolt lugs. The pair of piston cylinder mounts are configured and adapted to rigidly connect to a pair of piston cylinders oriented in an upright V-twin style manner. The first and second mounting surfaces are configured and adapted to secure the motorcycle crankcase to a motorcycle frame. The crankcase bolt lugs are spaced about the crankshaft axis and each of the crankcase bolt lugs partially protrudes radially outward from the bottom surface. The motorcycle crankcase is devoid of any portion positioned directly beneath the first mounting surface.05-24-2012
20100288224INTERNAL COMBUSTION ENGINE HAVING A CYLINDER CRANKCASE AND A V-SHAPED CYLINDER CONFIGURATION - An internal combustion engine having a cylinder crankcase and a v-shaped cylinder configuration and having a lubricant circuit which operates according to the dry sump principle and has a lubricant reservoir, wherein the lubricant reservoir is located within the cylinder crankcase in the space between the cylinders.11-18-2010
20120167854CYLINDER BLOCK ASSEMBLY - A cylinder block including a cylinder and two crankshaft supports at a bottom of the cylinder block is described. The cylinder block may be coupled to a structural frame such that the cylinder block is lubricated through the structural frame. The cylinder block may reduce vehicle weight and cost.07-05-2012
20120167852CYLINDER BLOCK ASSEMBLY - A cylinder block assembly is provided. The cylinder block assembly includes a cylinder block including a cylinder, two crankshaft supports at a bottom of the cylinder block, first and second cylinder block exterior sidewalls ending above a centerline of the two crankshaft supports. The cylinder block assembly further includes a structural frame coupled to the cylinder block, the structural frame including first and second structural frame exterior sidewalls extending above the centerline of the two crankshaft supports and coupled to the first and second cylinder block exterior sidewalls.07-05-2012
20120167853STRUCTURAL FRAME - A structural frame is provided. The structural frame includes a bottom surface, first and second cylinder block sidewall engaging surfaces, the first and second cylinder block sidewall engaging surfaces positioned above the bottom surface at a height that is above a centerline of a crankshaft support included in a cylinder block when the structural frame is coupled to the cylinder block.07-05-2012
20120167855CYLINDER BLOCK ASSEMBLY - A structural frame is provided herein. The structural frame may provide a lubrication passage that feeds a lubricant to a cylinder block. The structural frame may increase cylinder block strength while allowing a cylinder block to be constructed of less material.07-05-2012
20120167856ENGINE AND METHOD FOR IMPROVED CRANKCASE FATIGUE STRENGTH WITH FRACTURE-SPLIT MAIN BEARING CAPS - The present invention provides reduced fatigue stress levels in a stressed area of an engine crankcase by lowering the outer edges of the crankshaft bearing cap fracture-split lines without changing the central axis location of the crankshaft in the crankcase. This is accomplished by causing the fracture-split lines of the bearing caps to angle downward from the horizontal plane of the crankshaft axis to a slightly lower position at the outer edges of the bearing caps. This lowers the outer edges of the bearing caps sufficiently to allow larger radii to be formed on the lateral connectors of the crankcase support webs with the adjacent sidewalls of the crankcase. Accordingly, the fatigue stress levels in the crankcase web members are reduced without requiring a significant change in the crankcase dimensions.07-05-2012
20100050977MAGNESIUM ALLOY ENGINE BLOCK - The invention features a magnesium alloy engine block. Preferably, the magnesium alloy engine block includes a crankcase formed of magnesium alloy and having a plurality of cylinder chambers, a cylindrical liner fitted into the cylinder chambers, and an integral insert embedded into the crankcase between and below the cylinder chambers and having a crankshaft support part, extension parts which upwardly extend from the crankshaft support part toward the cylinder chambers, and upper coupling parts, the crankshaft support part, the extension parts and the upper coupling parts being integrally formed with one another.03-04-2010
20100269780BRACKET FASTENING STRUCTURE - A first fastening portion (10-28-2010
20120073537ENGINE - An engine is described having a crankcase, a liner and a head assembly. The crankcase is split along a plane defining a two part crankcase, where fluid passages are passing through only one of the crankcase portions, so as to not require crossing the split line. A connecting rod also includes a tapered end, and the piston has a complementary carrier receiving the connecting rod.03-29-2012
20110048367CRANKCASE AND MAIN BEARING CAP CONSTRUCTION - A method for manufacturing an engine includes the steps of: casting a side skirt having first and second opposing sidewalls and casting a transverse wall of the cast material connecting the sidewalls. The transverse wall will form a bulkhead and a main bearing cap. A first void and a second void are cast into the transverse wall on opposite lateral sides of a main bearing journal location, each void adjacent to one of the sidewalls. A main bearing journal hole is then machined into the transverse wall. Cast material is removed along a first removal path from the edge of the transverse wall and ending into the first void, and along a second removal path from the edge of the transverse wall and ending into the second void. A tool exerts an opening force within the circular bore to fracture the cast material along the first and second fracture planes to separate the main bearing cap from the bulkhead. Before fracturing the cast material along the first and second fracture planes, main bearing bolt holes and cross bolt holes can be machined into the bulkhead and the bearing cap. A spacer piece can be fit into the removal paths when reassembling the bearing cap to the bulkhead.03-03-2011
20100229822ENGINE COMPONENT PART AND METHOD FOR PRODUCING THE SAME - An engine component is composed of an aluminum alloy containing silicon, and includes a plurality of primary-crystal silicon grains located on a slide surface. The plurality of primary-crystal silicon grains have an average crystal grain size of no less than about 12 μm and no more than about 50 μm.09-16-2010
20120138009Cam Shaft/Cam Gear Assembly And Thrust Strategy For Engine Using Same - An engine includes a camshaft supported in a housing for rotation about an axis of rotation. A cam gear is attached to one end of the camshaft and includes a first thrust bearing surface. A thrust ring is attached to the cam gear and includes a second thrust bearing surface. A thrust ring retainer is attached to the housing with a plurality of bolts and includes a pair of thrust surfaces trapped between the first thrust bearing surface of the cam gear and a second thrust bearing surface of the thrust ring. The thrust ring retainer also defines a portion of a lubrication connection passage that facilitates pressure equalization among a plurality of lubrication galleries arranged in parallel adjacent the camshaft.06-07-2012
20130167800BEDPLATE ASSEMBLY AND METHOD - A method of constructing a bedplate assembly for retention of a crankshaft in an internal combustion engine having an engine block includes forming a bedplate insert in a first pattern tool. The bedplate insert is defined by a height, a width, and a thickness. The bedplate insert also includes a shape having a variation in the width along the height. The method also includes arranging the formed bedplate insert in a second pattern tool. The method additionally includes forming in the second pattern tool a bedplate frame around the formed bedplate insert to generate the bedplate assembly. During forming of the bedplate frame, the variation in the width of the bedplate insert generates an internal rib in the bedplate frame that is configured to fix and retain the bedplate insert inside the bedplate frame and decrease deflection of the bedplate frame under crankshaft loads during operation of the engine.07-04-2013
20130146018SPLIT BEARING ARRANGEMENT AND A METHOD OF MANUFACTURING A SPLIT BEARING ARRANGEMENT - A split bearing arrangement for reciprocating engines comprises a bedplate section and a block section made of materials differing in hardness. The bedplate section includes at least a bedplate section clamping surface made of an iron material, and has at least one positioning protrusion located on the bedplate section clamping surface. The block section, made of a material having a hardness which is less than the hardness of the iron material, is adapted to be clampable and forcibly pressed against the bedplate section. When the bedplate section is first pressed into the block section, at least one positioning groove located in a block section clamping surface is formed. The at least one positioning protrusion has two longitudinal concave surfaces, two transverse concave surfaces and a substantially flat upper surface.06-13-2013
20090277415CYLINDER CRANKCASE FOR A MOTOR VEHICLE - A quasi-monolithic cylinder crankcase is provided that is cast in a metal permanent mold for an internal combustion engine having an infiltration body penetrating the cylinder crankcase, wherein the infiltration body is composed of an inductively welded, open-cell metal foam.11-12-2009
20130199490REPAIRED ENGINE BLOCK AND REPAIR METHOD - A block for an internal combustion engine having at least one coated cylinder bore, which has a chamfer at a sealing surface with respect to a cylinder head, wherein the chamfer is a curved chamfer.08-08-2013
20100071654PLASTIC COVER HAVING METAL REINFORCEMENT FOR INTERNAL COMBUSTION ENGINE APPLICATIONS AND METHOD OF CONSTRUCTION - A cover assembly for an internal combustion engine application and method of construction therefore provides one construction for a valve cover assembly, and another construction for an end cover assembly for a crankcase. The cover assemblies include at least one rigid metal carrier having a plurality of bolt openings and a plurality of load limiters located about said openings. A material is overmolded on the carrier and about the load limiters, with the material forming an exposed sealing surface for direct engagement with a seal gasket.03-25-2010
20090173310VEHICLE ENGINE AND SNAP-ON ENGINE COVER ASSEMBLY THEREFOR AND METHOD OF ASSEMBLY OF THE COVER ASSEMBLY TO THE ENGINE - A engine and cover assembly therefore and method for snapping attachment of the cover to the engine without use of threaded fasteners includes a cover, a clip, and an elastomeric dampener. The clip is arranged for snapping engagement to a flange of the engine to secure the cover to the engine. The clip has a first portion extending from the cover and a rigid second portion for snapping engagement with the engine flange. The elastomeric dampener is spaced from the second portion of the clip to provide direct engagement of the second portion of the clip with the flange of the engine.07-09-2009
20090145395Oil pan structure and an engine therewith - An oil pan structure includes a plurality of reinforcement beads of several kinds. An engine utilizes the oil pan, whereby the strength and vibration-rigidity (rigidity against vibration) of the oil pan and the engine are sufficiently enhanced so that a natural frequency of the oil pan and the engine therewith becomes adjustable through a selection as to the numbers, locations, and sizes of the beads.06-11-2009
20090241892Crankcase structure for an overhead-camshaft internal combustion engine, and engine incorporating same - An overhead-camshaft internal combustion engine having an outer wall of a crankcase provided adjacent a crankshaft, with a spiral-surfaced opening through which the crankshaft is passed. The outer crankcase wall is integrally provided with a loop guide engaging recess formed thereon. The loop guide engaging recess supports a base end portion of a loop guide for guiding an endless chain. A loop-retaining member for preventing the timing endless chain from dropping is arranged at a position on the lower side of a loop drive sprocket integrally formed at an end portion of the crankshaft.10-01-2009
20090301427CYLINDER HEAD COVER - A cylinder head cover is formed by a synthetic resin outer shell, which is molded by inserting a metal valve case, which holds a oil control valve, in a mold. The valve case has a bolt fastening portion for fastening the valve case, together with the outer shell, to the cam cap. The valve fastening portion has a bolt insertion hole. The bolt fastening portion also has a flange that extends radially outward. The flange has through holes. The flange is embedded in the outer shell, and synthetic resin forming the outer shell fills the through holes.12-10-2009
20100122682EXHAUST COMPONENT COVER - A lightweight exhaust component cover having a small number of components is disclosed. In the exhaust component cover, an internal plate is formed by bending part of a single plate at both ends, and the internal plate is joined to the inside surface of an external plate.05-20-2010
20090235892CYLINDER HEAD COVER - A tubular valve casing formed of metal is molded with an outer shell portion formed of synthetic resin. A valve body is inserted into the valve casing through an opening formed at an end of the valve casing and incorporated in the valve casing. An annular projection is formed in the outer shell portion and projects toward the end surface of the valve casing corresponding to the opening. A seal ring is arranged between the projection and the valve body.09-24-2009
20080295796CYLINDER HEAD COVER - The present invention relates to a cylinder head cover (12-04-2008
20110277724CYLINDER HEAD DRY VALLEY DRAIN - An engine comprises a cylinder head at least partially defining a dry valley and a cover secured to the cylinder head. The cover defines a first aperture. A boss extends from the cylinder head toward the cover. The boss defines a second aperture. A fastener extends through the first aperture and at least partially through the second aperture to secure the cover to the cylinder head. The fastener defines a passage to fluidly connect the dry valley to an exterior of the engine.11-17-2011
20100229821Plastic Structural Oil Sump with Fitted-on Bottom for a Combustion Engine and Method of Fabricating such a Sump - Structural oil sump for a combustion engine, provided with a top opening and comprising:09-16-2010
20090038579ENGINE HEAD COVER ASSEMBLY HAVING AN INTEGRATED OIL SEPARATOR AND A REMOVABLE COVER - A head cover assembly for covering a crankcase of an internal combustion engine includes a head cover, a removable cover, a valve, and an integral oil separator. The oil separator includes a labyrinth that defines a flow path that separates oil from crankcase gases passing therethrough. The valve includes a tubular body presenting a passage for which manifold vacuum may draw crankcase gas from the oil separator. The cover includes an aperture. The tubular body is disposed through the aperture such that the outer tube surface is spaced apart from the inner edge of the aperture to define a gap in which separated oil may drain back into the engine for recycling.02-12-2009
20120024256ENGINE COVER HAVING A RETAINER TO SECURE AN ENGINE ACCESSORY - A cam cover for a cylinder head of an internal combustion engine has an aperture in the cam cover adapted to permit spark plug installation into the cylinder head and two tabs protruding vertically from the cam cover adapted to retain a boss extending from an ignition coil. The ignition coil has a portion adapted to fit over the spark plug and an orifice through the boss. The cam cover also has a recess between the tabs with the recess extending into the cam cover which is adapted to accept a self-tapping screw in the event of a tab failure. The tabs have a varying cross-section along their length such that they allow the orifice to slide over the tabs squeezing the tabs together and then snapping into place when the orifice clears the ramps on the side of the tabs.02-02-2012
20100122683Engine Tool - An engine tool comprises an engine, a housing retaining the engine, a top cover provided above the housing, and an air cleaner room provided at the housing. The engine tool is structured in such a way that external air introduced in the air cleaner room or the housing flows through a space formed between the housing and the top cover. The engine tool further comprises a handle part which is grabbed by a user and which is provided above the top cover. External air flows through a space formed between an area of the top cover where the handle part is provided and the housing. The engine tool still further comprises an air inlet for introducing external air provided at a front part of the engine tool.05-20-2010
20100083930Lower Valve Cover and Intake Manifold Assembly - A lower valve cover and intake manifold assembly (04-08-2010
20120291745ENGINE COVER HAVING A RETAINER TO SECURE AN ENGINE ACCESSORY - A cover has an aperture through which an accessory gains access to the interior side of the cover and a cavity. The accessory may be any kind of sensor or actuator. To secure the accessory to the cover, an adapter coupled to the cover is provided. In one example, the adapter has a cylindrical connection section that is spin welded into place in the cavity. In another example, the adapter has self-tapping threads that engage with the surface surrounding the cavity. The adapter also has tabs extending outwardly from the cover, the tabs having a proximate section and an engagement section. The accessory has a retaining orifice that couples with the tabs in a snap-fit relationship to secure the accessory to the cover.11-22-2012
20090266332SEAL STRUCTURE, CHAIN CASE, AND SEAL STRUCTURE FORMATION METHOD - A chain case disposed opposite an interval between a cylinder block and a cylinder head sandwiching a gasket includes a liquid sealing material guiding recessed portion that opposes the interval and is entirely surrounded by a seal surface. During seal structure formation, a large amount of a liquid sealing material is caused to flow forcefully toward the interior of the interval when an operation is performed to fasten the chain case to the cylinder block and the cylinder head such that the liquid sealing material flows to the innermost portion of the interval, and as a result, the liquid sealing material can reach an end portion of the gasket reliably. Hence, the liquid sealing material can flow sufficiently to positions requiring sealing, whereby lubricating oil leakage from the interior of the chain case can be prevented.10-29-2009
20090038578HEAT SHEILD - A heat shield includes a plurality of elements for shielding temperature-sensitive components. The elements are substantially matched to the respective contour of the component which is to be shielded and which at least partially overlap one another. The elements are fixed but moveable relative to one another in an overlapping region.02-12-2009
20090188465CHAIN COVER OF INTERNAL COMBUSTION ENGINE - A first rib extending downward from a middle portion to an outer peripheral portion is formed on an inner wall of a chain cover. In addition a second rib, which extends downward from the outer peripheral portion to the middle portion and has a height lower than that of the first rib, is formed above the first rib. A projection extending in the height direction of the second rib is provided on an upper surface of the second rib.07-30-2009
20100147253Oil Pan - An oil pan (06-17-2010
20100162988OIL PAN - An oil pan made of resin includes an oil reservoir. The oil reservoir includes a bottom wall and a peripheral wall rising from a periphery of the bottom wall and having an opening at a top of the oil reservoir. A rib is provided in the oil reservoir.07-01-2010
20100175658ENGINE OIL SPRAY COLLECTOR - An engine including an oil spray collector is provided. The collector is located on an underside surface of the valve cover to accept a previously identified oil spray from at least one engine component.07-15-2010
20100192897MULTI-CYLINDER INTERNAL COMBUSTION ENGINE - To reduce the height of a crankcase by arranging a communicating passage in a proper position and to miniaturize an engine in a multi-cylinder internal combustion engine provided with an upper crankcase integrated with a cylinder block or provided separately from the cylinder block on the downside of the cylinder block and a lower crankcase connected to a lower part of the upper crankcase and provided with a communicating passage that communicates with internal spaces of plural crank chambers corresponding to plural cylinders. In the multi-cylinder internal combustion engine, a communicating hole that communicates with the communicating passage is provided on at least either side of the upper crankcase or the lower crankcase, and a cover forming the communicating passage is arranged with the cover covering the communicating hole and is attached to both crankcases across a joined plane of the upper crankcase and the lower crankcase.08-05-2010
20080276901COVER ASSEMBLY FOR AN INTERNAL COMBUSTION ENGINE - A cover assembly is provided, such as a camshaft cover or valve cover, for an internal combustion engine. The cover assembly includes a cover member with a contoured surface. An acoustic barrier member is generally coextensive with the cover member and at least partially approximates the contoured surface. An elastic member is mounted with respect to the acoustic barrier member and spans at least a portion of the acoustic barrier member. A plate member is mounted with respect to the elastic member and is operable to retain the elastic member and the acoustic barrier member with respect to the cover member. The plate member spans substantially the entirety of the elastic member.11-13-2008
20090107450Fuel line protective cover - A fuel line protective cover is disclosed. The fuel line protective cover includes a first leg configured to be mounted to a top surface of an engine and configured to extend the length of an engine. The fuel line protective cover further includes at least one second leg configured to be mounted to a side surface of an engine. The first leg and the at least one second leg cooperate to at least partially enclose a high pressure fuel system.04-30-2009
20110000456ENGINE COVER HAVING A RETAINER TO SECURE AN ENGINE ACCESSORY - A cover has an aperture through which an accessory gains access to the interior side of the cover and a cavity. The accessory may be any kind of sensor or actuator. To secure the accessory to the cover, an adapter coupled to the cover is provided. In one example, the adapter has a cylindrical connection section that is spin welded into place in the cavity. In another example, the adapter has self-tapping threads that engage with the surface surrounding the cavity. The adapter also has tabs extending outwardly from the cover, the tabs having a proximate section and an engagement section. The accessory has a retaining orifice that couples with the tabs in a snap-fit relationship to secure the accessory to the cover.01-06-2011
20110000455ENGINE COVER HAVING A RETAINER TO SECURE AN ENGINE ACCESSORY - A cam cover for a cylinder head of an internal combustion engine which has an aperture in the cam cover adapted to permit spark plug installation into the cylinder head and two tabs protruding vertically from the cam cover adapted to retain a boss extending from an ignition coil is disclosed. The ignition coil has a portion adapted to fit over the spark plug and an orifice through the boss. The cam cover also has a recess between the tabs with the recess extending into the cam cover which is adapted to accept a self-tapping screw in the event of a tab failure. The tabs have a varying cross-section along their length such that they allow the orifice to be slid over the tabs by them squeezing together and then snapping into place when the orifice clears the ramps on the side of the tabs.01-06-2011
20110120408Internal surface heat dissipation oil pan - Variations of a device for collecting viscous fluid from a fluid containing device. Variations include features that protrude into an interior portion and/or from an exterior portion of the device and maximize the surface area of the device exposed to the collected fluid, to enhance cooling and for other purposes. Other variations include both interior and exterior fins or other features as well as convex, concave or bowed side walls. Further, various aspects of the device may be divided into sections arranged to increase the overall surface area of the device exposed to the collected fluid, to enhance cooling and for other purposes. Methods for using the device are also disclosed, including a method that uses the features to cool the collected viscous fluid.05-26-2011
20110209681FASTENING SYSTEM - A fastening apparatus includes a compression limiting member having a dowel portion and a belleville washer portion. A first member defines a first hole, a second member defines a second hole, a third member defines a third hole, and the dowel portion defines a fourth hole. The second member is between the first and third members, and the dowel portion extends through the second hole. The dowel portion is substantially rigid to prevent excessive compression of the second member between the first and third members. The belleville washer portion is elastically compressed between the second and third members such that the washer portion biases the second member toward the first member.09-01-2011
20110073063CYLINDER HEAD COVER STRUCTURE OF MINIATURIZED VEHICLE - A cylinder head cover structure of a vehicle which can shorten a longitudinal length of a vehicle while avoiding the restriction on the layout of an engine. A motorcycle includes a vehicle body frame, an engine which is mounted on the vehicle body frame in a suspended manner and includes a cylinder head cover and a radiator which is arranged in front of the engine and behind a front wheel. A recessed portion which is recessed toward a rear side of the vehicle is formed in the cylinder head cover so as to allow a lower portion of the radiator to enter the recessed portion.03-31-2011
20090217900Housing Part Having Sealing Face and Seal for Internal Combustion Engine - A housing part has a sealing surface around the housing part which is to be fastened by means of a seal to another housing part in a sealing manner. At least one fastening opening is provided for the guiding through of fastening elements, in order to seal the housing part on another housing part. At the at least one fastening opening, a ring-shaped projection is arranged which projects over the sealing surface and defines a minimum distance between the sealing surface of the housing part and sealing surface on the other housing part.09-03-2009
20100059013Camcover Oil Separator - Systems are provided for separating oil from blow-by gases in an internal combustion engine. In one example, a system comprises a camcover configured to be mounted on a cylinder head, and a baffle positioned between the camcover and the cylinder head. The baffle may include at least a first and a second baffle plate, the first baffle plate including a first through-hole on a first face of the first baffle plate, the second baffle plate including a second through-hole on a second face of the second baffle plate. Further, the first and second faces may be positioned opposite one another, and offset such that the first and second through-holes are not fully overlapping.03-11-2010
20100065011Four-cycle air-oil cooled engine, and vehicle incorporating same - A four-cycle air-oil cooled engine includes a cylinder head having a spark plug mounting hole formed therein, and a ring-like groove formed therein and surrounding the spark plug mounting hole. The cylinder head is formed with first and second co-planar sealing surfaces, disposed on a plane perpendicular to an axis of the spark plug mounting hole, and having an opening end of the ring-like groove disposed therebetween. The ring-like groove defines an oil jacket around the periphery of the spark plug mounting hole. A cover member having a flat surface opposed to the first and second flat sealing surfaces of the cylinder head is secured to the cylinder head such that a single gasket is interposed between the first and second sealing surfaces and the flat surface of the cover member.03-18-2010
20110073062OIL PAN STRUCTURE - There is provided, in one aspect of the present description, an oil pan structure attached to a lower portion of an engine for a vehicle. In one example, the oil pan structure comprises has an approximately rectangular bottom wall which accumulates oil continually, a long side wall, and a short side wall, the approximately rectangular bottom wall being surrounded by the long side wall and the short side wall. Further, the bottom wall has a deep bottom section provided approximately in a center of the bottom wall and in a portion where the oil is pumped up, a shallow bottom section which has a depth that is shallower than that of the deep bottom section, and a connecting wall section extending vertically and connecting the deep bottom section with the shallow bottom section, the shallow bottom section being provided on both sides of the deep bottom section.03-31-2011
20110061626HEAD COVER OF AN INTERNAL COMBUSTION ENGINE - A height of an upper end of an oil outflow prevention wall 03-17-2011
20100242893OIL STORAGE STRUCTURE FOR ENGINE, ENGINE INCORPORATING SAME, AND VEHICLE INCORPORATING SAME - An internal combustion engine includes an oil storage structure defining an oil storage chamber provided for storing oil therein. The engine is configured such that a crankcase cover, covering a clutch mechanism, is joined to a crankcase for forming an oil storage chamber. The oil storage structure is applied to an engine having a vertically split crankcase, and is configured to prevent the clutch mechanism from dipping into stored oil so that clutch disengagement performance is not affected, and reliability of the liquid-tight sealing performance is extended. The crankcase cover is formed with a partition wall extending along the outer circumference of the clutch mechanism. The partition wall splits a space between the crankcase and the crankcase cover into two chambers. Of these chambers, a chamber separate from a clutch mechanism is used as the oil storage chamber, which is formed only by a lower crankcase and the crankcase cover.09-30-2010
20090000591Camshaft Support Structure for Internal Combustion Engine - A cylinder head of an internal combustion engine is fitted with rocker arms. Camshafts are disposed so that the rocker arms and cams will be brought into contact with each other. The camshafts are rotatably supported by lower bearings, which supports the camshafts from below, and by upper bearings integrated with a head cover. The head cover is provided with visual observation windows that make it possible to see valve system parts through the head cover. A visual observation window covers for covering the visual observation windows are fixed to the head cover.01-01-2009
20120199096COVER MEMBER FASTENING METHOD AND FASTENING STRUCTURE FOR A HEAD COVER - A cover member fastening method and fastening structure are provided which can surly fasten and fix an abutting portion needing firm abutment and fixing and suppress a deformation of the cover member while suppressing a transmission of vibration to the cover member by further reducing the contact area with an engine body. In a fastening structure for a head cover (08-09-2012
20120199095CAMSHAFT COVER GASKET WITH INTEGRAL PCV BAFFLE - A gasket for sealing between a cylinder head and a camshaft cover includes a seal portion that defines a first region and a second region. The first region seals a perimeter of a camshaft chamber, and the second region seals a perimeter of a PCV chamber. A membrane extends across the second region to define a baffle for the PCV chamber that prevents oil from sloshing up from the crankcase into the PCV chamber. The membrane is integrally formed with the seal portion from the same seal material.08-09-2012
20110017166ROCKER COVER SYSTEM - A cover system for an internal combustion engine having an overhead valve or overhead cam configuration includes a cover attached to a head plate. The cover has sides extending from a top surface and terminating in a flange with an overhang. The overhang includes a catch. The head plate has sides extending from a bottom surface and terminating in a curl. The flange and the overhang are positioned adjacent to the curl with the catch engaging an end of the curl.01-27-2011
20100018493Device for Separating Oil From Blow-By Gas - A device for separating oil includes a blow-by gas passage provided to a head cover to discharge blow-by gas introduced from an engine and a separator coupled to the blow-by gas passage to separate oil from the blow-by gas. The device for separating oil from blow-by gases can effectively separate oil from the blow-by gas. Since the blow-by gas passage for discharging the blow-by gas is provided to the head cover, a hose or a pipe is not required to carry the blow-by gas, and thereby the engine can be designed to be compact.01-28-2010
20120037116ENGINE ARRANGEMENT COMPRISING A NOISE SHIELD - An engine arrangement for a vehicle, such as a commercial vehicle such as a truck, includes subsequently arranged and encompassed in a casing an engine block, an engine transmission and a flywheel. A noise shield patch is arranged at a circumferential section of the casing corresponding to the location of the flywheel and/or the engine transmission overlaying not more than 75% of the circumferential section. The patch is arranged predominantly beneath the casing.02-16-2012
20120204828OIL PAN - The present invention is provided with a configuration which makes it possible to inhibit contact between an oil (L) and a gas in an oil pan (08-16-2012
20120152199Replaceable Filter Having a Filter Closure System - A replaceable filter has a filter housing with a cylindrical connecting end. A housing lid has a cylindrical counter connecting member matching the cylindrical connecting end. A filter closure system seal-tightly connects by form fit the cylindrical connecting end and the cylindrical counter connecting member when the connecting end is inserted or pushed onto the counter connecting member in an axial connecting direction and moved relative to the counter connecting member. An annular member is arranged coaxially relative to the connecting end and has a terminal edge area that is connected seal-tightly to the filter housing such that the annular member and the connecting end define a receptacle for the cylindrical counter connecting member. A sealing device is arranged in the receptacle and connected to the filter housing. The sealing device interacts with the counter connecting member.06-21-2012
20090151690Engine oil pan structure - An engine oil pan structure includes a lower case having a pair of side walls and a plurality of bearing cap sections for connection between the side walls. A balancer device provided under the lower case, mounts on a mounting section formed at positions of the bearing cap section adjoining the side walls. An oil pan covering the balancer device is joined to lower end portions of the side walls. A reinforcing rib having a horseshoe-shaped form and surrounding the balancer device is provided on an external surface of the oil pan, and two end portions of the reinforcing rib are joined or monolithic with portions of a flange section for joining the oil pan to the side walls adjoining the mounting section to reduce noise of an engine having a balancer device.06-18-2009
20100089359CAM COVER - Cam covers including a shell of the plastic material reinforced with a support structure and one or more end caps and methods for making cam covers incorporating a plastic shell and a metal or plastic support structure and one or more end caps are described herein.04-15-2010
20120125283INTERNAL COMBUSTION ENGINE - An internal combustion engine includes, but is not limited to an engine block, a crankshaft associated to the engine block, a cylinder head fixed on top of the engine block so as to define an assembly axis of the internal combustion engine, a camshaft, and a housing for a timing device connecting the crankshaft to the camshaft, the housing having a frontal opening which is laterally delimited by two opposite sidewalls belonging to the engine block and two opposite sidewalls belonging to the cylinder head, the frontal opening being closed with a first cover fixed to the sidewalls of the engine block, and with a second cover fixed to the sidewalls of the cylinder head.05-24-2012
20100206262INTERNAL COMBUSTION ENGINE COVERS - Metal plated organic polymer compositions are useful as vehicular engine covers. Such covers may have lighter weight, and/or superior corrosion resistance, and/or be more easily made than conventional covers.08-19-2010
20100288223OIL PAN/AXLE SUPPORT - The invention relates to an oil pan/axle support. There is a need for an oil pan/axle support which is a structural member and which places the front axle support in front of the engine. Such an oil pan/axle support includes a rigid structural housing capable of forming a portion of a frame of a vehicle. The housing has an aft portion and a forward portion. The aft portion forms an engine oil reservoir surrounded by a rim. The rim has an upwardly facing sealing surface for engagement with a block of an engine. The forward portion extends forward from the aft portion and forms a pair of fore-and-aft spaced apart pivot bores for receiving a front axle pivot pin so that the front axle is spaced forward with respect to a front portion of the engine.11-18-2010
20100050976ENGINE FOR VEHICLE - A vehicle engine includes the crankcase for supporting thereon the crankshaft, the input shaft and the output shaft, with the crankcase being composed of a left case half and a right case half which are joined to each other at a plane orthogonal to the axis of the crankshaft. A starter motor together with a speed sensor, for detecting the vehicle speed from the rotation of a gear in a transmission, are mounted to an upper surface of the crankcase. The starter motor is arranged at a portion, just above the input shaft, of the upper surface of the crankcase, while the speed sensor for detecting the rotation of a gear on the output shaft is arranged at a portion, just above the output shaft, of the upper surface of the crankcase. The crankcase is formed with a raised wall for covering one side surface of the speed sensor.03-04-2010
20100269779VALVE COVER WITH A DISPLAY WINDOW - A valve cover includes a base that attaches to an engine and a display window that attaches to the base. The display window is made of material that can withstand the operating environment of the engine, including temperature and resistance to petroleum-based substances. The display window is secured to the base using a flexible gasket that encircles the display window and snaps into a groove in the base to secure the display window to the base. The display window may be see-through so the valves are visible. The display window may also include one or more display elements, such as light-emitting diodes, optical fibers, electro-luminescent panels, incandescent bulbs, liquid crystal displays, etc. The display window may include embossed or etched portions, and may include multiple colors and sequenced operation to provide any desired effect on the display panel.10-28-2010
20120255516CYLINDER BLOCK ASSEMBLY FOR X-ENGINES - A cylinder block assembly (10-11-2012
20110265757ALUMINUM ALLOY POWDER METAL BULK CHEMISTRY FORMULATION - A powder metal mixture is disclosed that provides improved mechanical properties for parts made from powder metal, such as cam caps. The powder metal mixture, upon sintering, forms an S phase intermetallic in the Al—Cu—Mg alloy system. The S phase is present in a concentration that results in an enhanced response to cold work strengthening of the powder metal part. Further, by minor adjustments to certain alloy elements, such as tin, the tensile properties of the resultant part may be adjusted.11-03-2011
20130133611COVER STRUCTURE FOR INTERNAL COMBUSTION ENGINE - A cover structure, for an internal combustion engine, that can inhibit lubricating oil from remaining at a protrusion portion is provided. The cover structure for an engine includes a chain case that covers a timing train mechanism, and a timing train chamber is formed between the chain case and the engine main body. The chain case includes bolt insertion holes provided at side marginal portions and directed toward the engine main body, a variable-valve boss portion and a second-oil-path boss portion that protrude from a wall portion toward the engine main body and form a recessed portion where lubricating oil for lubricating the timing train mechanism remains, and a first rib that is protruding from the wall portion toward the engine main body and provided upper than at least the recessed portion.05-30-2013
20100282203Oil Pan for an Internal Combustion Engine - The invention relates to an oil pan made of thermoplastic for an internal combustion engine, said oil pan comprising integrated oil cooler and an integrated oil filter, a straight connection opening being provided between the oil cooler and the oil filter.11-11-2010
20090107449WINDAGE TRAY - A windage tray apparatus is provided and is configured to be mountable within a crankcase at least partially defined by an engine block of an internal combustion engine. The crankcase has a first bay and a non-adjacent second bay. The internal combustion engine has a crankshaft rotatably supported within the crankcase. The windage tray includes a tray member and a passage at least partially defined by said tray member and in communication with the first bay and the non-adjacent second bay. The passage is operable to allow gas transfer between the first bay and the non-adjacent second bay to reduce the motoring friction of the internal combustion engine. An internal combustion engine incorporating the disclosed windage tray apparatus is also provided.04-30-2009
20090194060METHOD FOR PRODUCING A SUPPORT PLATE FOR VALVE BODIES AND A SUPPORT PLATE - A method for producing a support plate (08-06-2009
20090159038ACCESSORY MOUNTING STRUCTURE - A horizontal groove extending horizontally when an alternator bracket is fixed to a cylinder block of a vehicle engine is formed in the alternator bracket. A shank of a bolt inserted through mounting pieces of an alternator is inserted into the horizontal groove from a horizontally lateral direction toward the cylinder block to support the bolt on a lower surface of the horizontal groove. After insertion, the bolt is restrained from moving toward an opening of the horizontal groove. Since the insertion of the bolt into the horizontal groove is facilitated, and the weight of the alternator is borne by the lower surface of the horizontal groove, a burden on a fixing portion is reduced, and it becomes easy to position the alternator and hold it when it is fixed. Thus, the accessory can be mounted on the cylinder block with satisfactory work efficiency and with support accuracy kept high.06-25-2009
20090205605ENGINE INCLUDING A SELF-ADJUSTING THERMALLY COMPLIANT BRACKET - An engine bracket assembly may include a first mounting portion, a second mounting portion, and a support member. The first mounting portion may fix a first end of the bracket assembly to the engine and the second mounting portion may fix a second end of the bracket assembly to the engine. The support member may support an engine component and may be disposed between and coupled to the first and second mounting portions. The coupling between the first and second mounting portions and the support member may provide relative displacement between the first mounting portion and the support member in a longitudinal direction extending from one of the first and second mounting portions toward the other of the first and second mounting portions during thermal expansion of the bracket assembly.08-20-2009
20090283066Portable gas powered internal combustion engine arrangement - A gas powered internal combustion engine in which the gas is provided from pressurized liquid gas in an LPG container and in which the LPG container is rigidly mounted adjacent to the internal combustion engine at a preselected angle to be in conductive heat transfer relationship to the internal combustion engine and in vibration receiving relationship to the internal combustion engine whereby the liquified gas in the LPG container is heated and the effective surface area thereof is increased.11-19-2009
20130213343EXHAUST FLANGE WITH PRESSURE CLAMP MOUNTING RAIL - A system for mounting a duct to a port mounting in an engine where the port mounting has an opening and a mounting surface that surrounds the opening. The system includes a flange with a tongue portion that mates with a shoulder of a mounting rail that does not extend over the mounting surface of the port mounting, which allows for easy installation in locations with limited space.08-22-2013
20100065010Roller bearing,cam shaft support structure, Internal combustion engine & incorporation method of roller bearing - A needle roller bearing (03-18-2010
20110239977CRANKCASE OF INTERNAL COMBUSTION ENGINE - A crankcase of an internal combustion engine includes protruding portions formed on an outer surface of the crankcase which are constituted of a pair of left and right wall members, and a vibration isolating rubber is fitted between the wall members. The crankcase configured n this manner prevents the generation of sounds from a protruding portion of the crankcase and is light-weight.10-06-2011
20110041795Method for producing a housing for an engine-or gearbox mount and housing produced with the method - A housing of a engine or gear box mount and its manufacture is provided. The engine or gearbox mount can be cost-effectively manufactured from extruded profiles by interlocking at least two mutually orthogonal and preferably non-positively and positively connected segments (02-24-2011
20090107448AGGREGATE CARRIER - An aggregate carrier is provided for an internal combustion engine of a motor vehicle that serves to connect motor vehicle aggregates to the internal combustion engine and for this purpose includes, but is not limited to a first mount to be connected to the internal combustion engine. The first mount is realized in such a way that a force can be exerted upon the internal combustion engine in a first mounting direction. The aggregate carrier furthermore features a second mount to be connected to the internal combustion engine. The second mount is realized in such a way that a force can be exerted upon the internal combustion engine in a second mounting direction. The second mounting direction extends at an angle α relative to the first mounting direction.04-30-2009
20080223329COMPOUND BRACKET SYSTEM - A compound bracket system (09-18-2008
20130180495Detachable Power Head - A detachable power head (07-18-2013
20090013958Camshaft Support Structure For an Internal Combustion Engine - A lower cam carrier is disposed over a cylinder head and a head cover is disposed thereover. The lower cam carrier has, formed as one therewith, an outer frame superposed with the edge peripheral edge of the cylinder head, and a bridging part provided between opposing sides of the outer frame part. The bridging part has a lower bearing for supporting an intake camshaft and an exhaust camshaft. The head cover has, formed as one therewith, a flange part superposed with the outer frame part and a bearing part opposing the bridging part inside the flange part 01-15-2009
20100059014 IMPROVED INTERNAL COMBUSTION ENGINE WITH BEARING CAP DAMPENING - An internal combustion engine has an engine block including a crankshaft which is mounted on the engine block by at least a first and a second main bearings, wherein the main bearings each include a first bearing portion and a second bearing portion, the second bearing portion being part of a bearing cap, wherein at least the first bearing cap is connected to the engine block or to the second bearing cap by at least one dampening structure, the structure including a first support portion fixed on the bearing cap, a second support portion fixed on the engine block or on an adjacent bearing cap, and a dampening portion including an elastomeric material which connects the two support portions.03-11-2010
20120031366ROLLERIZED CRANKTRAIN BEDPLATE, RECIPROCATING ENGINE EMBODYING SAME AND ENGINE FURTHER INCLUDING ROLLERIZED CRANKTRAIN - Featured is a bedplate for a reciprocating engine having a rollerized cranktrain. Such a bedplate includes a peripheral support structure having sides and ends, a plurality of cross members that extend between the sides of the peripheral support structure, and a plurality of rolling element bearings. Each of the plurality of cross members includes a bearing support portion, the bearing support portion being configured so as to receive and retain therein a portion of one of the rolling element bearings. Also, the portion of the rolling element bearing is such that when the bedplate is secured to a cylinder block of the reciprocating engine, the bearing support portion rotatably supports a crankshaft of the reciprocating engine. Also featured is a reciprocating engine having such a bedplate.02-09-2012

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