Class / Patent application number | Description | Number of patent applications / Date published |
123197300 | Particular connecting rod | 58 |
20080264378 | Connecting Rod with Cast-In Insert - A cast metal connecting rod of the type used in a reciprocating piston engine has a beam section between two end sections. The beam section and the end sections are integral with one another and are at least partially made of a cast metal material. At least the beam section of the connecting rod includes an insert made of a sintered powder metal material. The insert is at least partially encapsulated by the cast metal material of the connecting rod. The insert reinforces the connecting rod and can help match characteristics of surrounding or mating parts of the engine that are made of materials more similar to the material of the insert than the cast metal of the connecting rod. The cast metal material, for example aluminum alloy, of the connecting rod can also provide localized regions of high machinability where needed. | 10-30-2008 |
20080283021 | Connecting Rod for an Internal Combustion Engine and Method for Coating Its Slide Bearing Surfaces - Disclosed is a connecting rod for a combustion engine, comprising a small connecting-rod eye that is provided with a plain bearing surface and is used for accommodating a piston pin, and a large connecting-rod eye which is provided with a plain bearing surface and embraces a crankshaft journal. In order to very effectively and inexpensively prevent the piston pin and the crankshaft journal of the connecting rod from jamming and wearing off, a self-lubricating coating made of a thermally cured resin which contains embedded solid lubricant particles is applied directly to at least one of the plain bearing surfaces by means of rotary atomization. | 11-20-2008 |
20080314356 | Stirling Cycle Machine - A Stirling cycle machine. The machine includes at least one rocking drive mechanism which includes: a rocking beam having a rocker pivot, at least one cylinder and at least one piston. The piston is housed within a respective cylinder and is capable of substantially linearly reciprocating within the respective cylinder. Also, the drive mechanism includes at least one coupling assembly having a proximal end and a distal end. The proximal end is connected to the piston and the distal end is connected to the rocking beam by an end pivot. The linear motion of the piston is converted to rotary motion of the rocking beam. Also, a crankcase housing the rocking beam and housing a first portion of the coupling assembly is included. A crankshaft coupled to the rocking beam by way of a connecting rod is also included. The rotary motion of the rocking beam is transferred to the crankshaft. The machine also includes a working space housing the at least one cylinder, the at least one piston and a second portion of the coupling assembly. A seal is included for sealing the workspace from the crankcase. | 12-25-2008 |
20090007881 | Piston/Connecting Rod Assembly for an Internal Combustion Engine - A piston/connecting rod arrangement for an internal combustion engine has a piston upper part with hub supports which lie opposite one another and have hubs and hub holes which delimit a recess, in which the small connecting-rod eye of a connecting rod is arranged. A piston pin is mounted in the small connecting-rod eye and the hub holes. There is at least one oil-guiding face to be provided on that face of the hub support which faces the recess. At least one oil-guiding face opens into at least one oil-collecting space which is arranged in the hub hole, in such a way that the oil-guiding face guides oil into the oil-collecting space. | 01-08-2009 |
20090165744 | PULLING ROD ENGINE - The piston is connected to the crankshaft via a connecting rod, while the crankshaft is disposed between the wrist pin and the combustion chamber. This way the combustion is shifted to the slow dead center, enabling the diesel to perform at higher revs, improving the spark engine efficiency and making HCCI combustion easier. Though the crankshaft is of one piece, more connecting rods can be used for a piston. As opposed piston, the PRE engine further combines top specific power, top thermal efficiency, built in scavenging pumps, and compactness. | 07-02-2009 |
20090314246 | Titanium connecting rod - A method for forming a remateable cracked titanium powder base alloy connecting rod using a titanium alloy powder processed to produce a connecting rod. | 12-24-2009 |
20100043742 | METHOD AND ELECTRODE FOR THE PRODUCTION OF A RADIAL BEARING SURFACE, AND CONNECTING ROD - The invention relates to a method for producing a bearing surface ( | 02-25-2010 |
20100242896 | CONNECTING ROD - A connecting rod includes an elongate rod shank with a small end at a first axial end of the rod shank and a big end at the second axial end of the rod shank. The big end includes a body part and a cap part adapted to releasably couple to the body part. When the cap part is coupled to the body part, the cap part and body part cooperate to define a crank pin receiving bore and abut at first and second spaced apart interfaces. The cap part defines an aperture proximate the first interface that is adapted to receive a threaded fastener that engages and clamps the cap part to the body part. The cap part includes a side portion that extends radially beyond a largest radius from a crank pin bore center to the first interface. The side portion is substantially radially concentrated adjacent the first interface. | 09-30-2010 |
20100275875 | SLIDING COMPONENT FOR INTERNAL COMBUSTION ENGINE, INTERNAL COMBUSTION ENGINE, TRANSPORTER, AND METHOD FOR PRODUCING THE SLIDING COMPONENT FOR INTERNAL COMBUSTION ENGINE - A sliding component for an internal combustion engine includes a component main body made of titanium or a titanium alloy, a surface hardened layer provided on a surface of the component main body, a diamond-like carbon film provided on the surface hardened layer, and a titanium layer provided between the surface hardened layer and the diamond-like carbon film. | 11-04-2010 |
20100300397 | CONNECTING ROD LUBRICATION RECESS - A connecting rod and methods of making a rod are disclosed. A method of making a connecting rod may include the step of providing a connecting rod blank, where the connecting rod blank includes a crankshaft end and a piston pin end. The method may further include forming a crankshaft pin recess in the crankshaft end of the connecting rod blank and a piston pin recess in the piston pin end, and forming at least one lubrication recess in the piston pin end of the connecting rod blank. The lubrication recess and the piston pin recess may both formed concurrently. | 12-02-2010 |
20100319650 | FUNCTIONALLY GRADED POWDER METAL COMPONENTS - The invention provides a method of manufacturing a ferrous monolithic component and the component that results from the method. The method of the invention utilizes selective rapid cooling of the portion of the component that is desired to have increased strength and selective controlled cooling of the portion or portions which are desired to be more machinable. The controlled cooling may include cooling, re-heating and re-cooling. The result is a component with local high strength in the rapidly cooled zones and locally altered metallurgical properties to improve machinability in the more slowly cooled zones. | 12-23-2010 |
20110000457 | PREALLOYED COPPER POWDER FORGED CONNECTING ROD - A process for manufacturing connecting rods is provided which comprises the steps of compacting, sintering, and powder forging a powder metal comprising a carbon source and a prealloyed powder consisting essentially of iron and copper. The connecting rods made from this process have sufficient hardness and strength to be used in an engine and do not require any additional quenching or tempering. | 01-06-2011 |
20110023812 | Crankshaft-free internal combustion engine of improved efficiency - The crankshaft-free internal combustion engine which is of the type that contains at least one cylinder having a longitudinal axis, at least one piston that has a pivot pin and is slidingly installed in the cylinder, a main driveshaft having a central axis, which is offset at a distance from the longitudinal axis of the cylinder, and a cylindrical eccentric which is eccentrically and non-rotationally secured on the main drive shaft A distinguishing feature of the engine is a connecting rod that has a substantially L-shaped configuration formed by one portion which is substantially straight and is pivotally connected to the pivot pin of the cylinder and a second portion which is substantially transverse to the first portion and pivotally receives the cylindrical eccentric. The distance from the central axis of the main driveshaft to the longitudinal axis of the cylinder is always greater than 0. Such a construction significantly improves efficiency of the engine. | 02-03-2011 |
20110030650 | INTERNAL COMBUSTION ENGINE WITH VARIABLE EFFECTIVE LENGTH CONNECTING ROD - An internal combustion engine may include a cylinder block defining a cylinder, and a crankshaft defining a crankpin, wherein the crankshaft is rotatably received by the cylinder block and rotates about a longitudinal axis. The internal combustion engine may further include a piston configured to reciprocate within the cylinder, and a connecting rod operably coupled to the piston and the crankpin. The connecting rod may include a first rod element having a first distal end and a first proximate end, wherein the first distal end is operably coupled to the piston. The connecting rod may further include a second rod element having a second distal end operably coupled to the first proximate end of the first rod element, and a second proximate end operably coupled to the crankpin, wherein the first rod element and the second rod element are pivotally coupled to one another. | 02-10-2011 |
20110162614 | PROFILED CONNECTING ROD BORE WITH MICRO-DIMPLES - A connecting rod and methods for making the same are disclosed. A connecting rod may include a shaft extending between a piston pin end and a crankshaft pin end. The piston pin end generally defines a bore opening extending along an axis. The connecting rod further includes a bore surface formed integrally with the piston pin end and extending about an inner circumference of the bore opening. The bore surface may define a plurality of dimples that extend axially along the bore surface. The bore opening further may further include profiled surfaces adjacent opposing ends of the bore opening. | 07-07-2011 |
20110239979 | DWELL CYCLE CRANK - The dwell cycle crank includes a reciprocating piston having a piston head or cylinder, a main body connected to the piston head, a cap detachably mounted to the main body, an S-shaped cam formed between the main body and the cap, a follower disposed in the S-shaped cam, a rotatable crankshaft, and an offset journal disposed between the connecting bearing and the crankshaft to thereby form a torque arm. The S-shaped cam and connecting bearing create periodic dwells and faster strokes in the crank cycle to maximize volumetric and geometric efficiencies of the engine. | 10-06-2011 |
20110303183 | HYDRODYNAMIC BEARING FOR AN INTERNAL COMBUSTION ENEGINE - A hydrodynamic bearing ( | 12-15-2011 |
20120145117 | INTERNAL COMBUSTION ENGINE WITH MECHANICALLY-AFFECTED STROKE - A connecting rod for an engine may include a sleeve portion having a distal end including a distal aperture configured to be coupled to a piston, and a rod portion having a proximal end including a proximal aperture configured to be coupled to a crankshaft. The rod portion may be configured to reciprocate in the sleeve portion, such that a distance between a center of the proximal aperture and a center of the distal aperture is variable. An engine may include the connecting rod, a power train may include the engine, and a vehicle may include the power train. | 06-14-2012 |
20120180752 | CRANK DRIVE - A crank drive has a frame, which may be formed in particular by a housing, a rocker fixed on the frame, a crank that is fixed on the frame and which forms the drive output, and a coupler which connects the rocker and the crank. The coupler is articulately connected in each case to the crank and to an end, which is situated opposite the positionally fixed mounting, of the rocker. In order to drive the crank, a first cylinder is provided which has a movably mounted piston. The piston and the rocker are articulately connected to one another via a push rod such that the axial movement of the piston sets the rocker in an oscillating swinging motion. The rocker has a section that is remote from the fixed mounting of the rocker and which is inclined by a fixed angle towards the coupler. | 07-19-2012 |
20120222648 | Engine Crankshaft and Method of Use - An engine comprises one or more cylinders, each cylinder comprising a piston, a connecting rod, a crank shaft, and a crankpin, wherein the crankpin further comprises a main crankpin and a crankpin extension, wherein the connecting rod is affixed at one end to the piston and at another end to a first end of the crankpin extension, wherein a second end of the crankpin extension is affixed to a first end of the main crankpin, and wherein a second end of the main crankpin is affixed to the crankshaft, so that when the piston is at top dead center of the power stroke, the torque at the crankshaft is substantially greater than zero. | 09-06-2012 |
20120247419 | Pushrod Connection to a Journal - Reciprocating motion can be converted to rotary motion through a crankshaft and a connecting rod. In a connecting rod that is primarily in compression, two opposing connecting rods can be coupled to a single journal. Two bearing shell portions are placed over the journal with a pushrod placed over each bearing shell portion. The pushrods are normally in compression. To overcome the potentiality of the pushrods briefly being in tension, retainers can be coupled to the pushrods. Because both pushrods are coupled in-line, the width of the journal that can accommodate these pushrods is shorter than for a journal on which the two pushrods are side by side. The crankshaft can be shorter, stronger, and lighter weight. | 10-04-2012 |
20120312273 | INTERNAL COMBUSTION ENGINE WITH TORSIONAL ELEMENT - An internal combustion engine has a cylinder and a piston disposed with the cylinder to define a combustion chamber that is bounded at least in part by interior surfaces of the cylinder and a surface of the piston. A mechanism coupled with the piston reciprocates the piston within the cylinder, causing the combustion chamber to have a volume that varies in accordance with motion of the piston. A torsional element is coupled with the mechanism such that mechanical energy is stored in and released from the torsional element with motion of the piston. | 12-13-2012 |
20130000595 | Trigonometric linkage system - Trigonal Linkage System replacing a single connecting rod system to a combination of two components (No. | 01-03-2013 |
20130019836 | INTERNAL COMBUSTION ENGINE WITH GEAR-DRIVEN CRANKSHAFT - An internal combustion engine includes a cylinder block defining a cylinder and a crankshaft rotatably received by the cylinder block. The crankshaft includes a crankshaft gear and is configured to rotate along a longitudinal axis of the crankshaft. The engine further includes a piston configured to reciprocate within the cylinder between spaced stroke termination points defining a stroke of the piston. The engine also includes a connecting rod operably coupled to the piston. The connecting rod includes a gear configured to engage the crankshaft gear, wherein the crankshaft gear and the gear of the connecting rod are configured to engage one another, such that as the piston travels within the cylinder, the connecting rod rotates the crankshaft via engagement between the crankshaft gear and the gear of the connecting rod. | 01-24-2013 |
20130025563 | ENGINE INCLUDING CRANK PIN WITH ANGLED OIL PASSAGEWAY - A motorcycle includes a frame and an engine, with the engine including components forming a crankshaft assembly, such as a flywheel, a pinion shaft supporting the flywheel for rotation, a piston assembly including a connecting rod with a base end portion having a bearing support structure, a bearing, and a crank pin. An uninterrupted oil passageway is formed by an axial hole in the pinion shaft, a radial hole in the pinion shaft, an aligned hole in the flywheel, an angled hole in the crank pin, at least one radial hole in the crank pin. The angled hole in the crank pin extends between the inner and outer surfaces, with the angled hole starting on the outer surface at a location along a distance L1 and extends to the inner surface exiting at a location inboard of the distance L1, the angled hole being linear along its length. | 01-31-2013 |
20130074799 | Piston pin unload for oil film renewal - In a reciprocating engine piston, added equipment to renew the piston pin's oil film once per crankshaft rotation. The equipment is located between the connecting rod's small end and the underside of the piston crown. There is a plunger carrier with a plunger, and a saddle with a plunger bore. The saddle closely straddles the plunger carrier, maintaining the alignment of the arcuate plunger with the arcuate plunger bore, for a plunger stroke without friction. The small end's natural oscillation during crankshaft rotation powers the plunger's working cycle. There is an oil-filling stroke and a delivery stroke. The delivery is to the saddle's top, which is just below the piston crown. The oil pressure pushes upward on the piston crown, lifting the piston slightly and the piston pin bosses off the piston pin. In the small gap thus created, new oil can enter, recreating the oil film. | 03-28-2013 |
20130092119 | CONNECTING ROD LUBRICATION RECESS - Exemplary connecting rods and methods of making a connecting rod are disclosed. A method of making a connecting rod may include the step of providing a connecting rod blank, where the connecting rod blank includes a crankshaft end and a piston pin end. The method may further include forming a crankshaft pin recess in the crankshaft end of the connecting rod blank and a piston pin recess in the piston pin end, and forming at least one lubrication recess in the piston pin end of the connecting rod blank. The lubrication recess and the piston pin recess may both formed concurrently. | 04-18-2013 |
20130098330 | CONNECTING ROD SYSTEM FOR AN ENGINE - An internal combustion engine includes a piston, a crankshaft having a journal, and a connecting rod. The connecting rod includes a first end coupled to the piston and a second end coupled to the journal of the crankshaft. The second end of the connecting rod includes a bearing surface configured to interface with the journal, and further includes an open portion extending through the second end from the bearing surface to the exterior of the second end. | 04-25-2013 |
20130112167 | Connecting Rod For An Engine - A connecting rod is described for operatively joining a piston to a crankshaft in an engine. The connecting rod has elongated body having a longitudinal axis. A cap is secured to the connecting rod and defines a bore. A journal on the crankshaft is positioned in the bore to connect the second end of the connecting rod to the crankshaft. Threaded bolts secure the cap to the connecting rod. The centerline of the bolts is angularly displaced from about 2° to about 15° from the longitudinal axis of the connecting rod. The angular displacement of the centerline of the bolts provides additional clearance between the camshaft and the connecting rod. | 05-09-2013 |
20130146019 | Engine Crankshaft and Method of Use - An engine comprises one or more cylinders, each cylinder comprising a piston, a connecting rod, a crank shaft, and a crankpin, wherein the crankpin further comprises a main crankpin and a crankpin extension, wherein the connecting rod is affixed at one end to the piston and at another end to a first end of the crankpin extension, wherein a second end of the crankpin extension is affixed to a first end of the main crankpin, and wherein a second end of the main crankpin is affixed to the crankshaft. | 06-13-2013 |
20130192559 | CONNECTING ROD AND METHOD OF MANUFACTURE - A method of forming a connecting rod, the method including the steps of: forming the connecting rod via a powder forging process; forming an integral wear resistant surface inside a bore of the connecting rod via an inductive heating process after completion of the powder forging process. | 08-01-2013 |
20130269650 | INTERNAL COMBUSTION ENGINE WITH VARIABLE EFFECTIVE LENGTH CONNECTING ROD - An internal combustion engine may include a cylinder block defining a cylinder, and a crankshaft defining a crankpin, wherein the crankshaft is rotatably received by the cylinder block and rotates about a longitudinal axis. The internal combustion engine may further include a piston configured to reciprocate within the cylinder, and a connecting rod operably coupled to the piston and the crankpin. The connecting rod may include a first rod element having a first distal end and a first proximate end, wherein the first distal end is operably coupled to the piston. The connecting rod may further include a second rod element having a second distal end operably coupled to the first proximate end of the first rod element, and a second proximate end operably coupled to the crankpin, wherein the first rod element and the second rod element are pivotally coupled to one another. | 10-17-2013 |
20130284142 | PISTON ASSEMBLY HAVING OFFSET BEARING - A piston assembly is disclosed for use with an engine. The piston assembly may include a first and second piston crown and a first and second connecting rod. The first and second connecting rods may each have a first end pivotally connected to the first and second piston crowns, respectively, and a second end with a circular opening configured to receive a throw of a crankshaft. The second connecting rod may have a running surface defining at least two outer lands and at least one inner land disposed between the at least two outer lands that alternately support a load of the second piston crown. The piston assembly may further include a bearing. Both the inner and outer lands may simultaneously support the load of the second piston crown against the bearing at a point of highest load on the second piston crown. | 10-31-2013 |
20130284143 | PISTON ASSEMBLY HAVING OFFSET BEARING - A connecting rod assembly is disclosed for use with an engine. The connecting rod assembly may include a first connecting rod having a first end configured to pivotally connect to a first piston and a second can with a circular opening configured to receive a throw of a crankshaft. The connecting rod assembly may also include a second connecting rod having a first end configured to pivotally connect to a second piston and a second end with a circular opening configured to receive the throw of the crankshaft. The second connecting rod may have a running surface defining at least two outer lands and at least one inner land disposed between the at least two outer lands that alternately support a load of the second piston. Both the at least one inner and the at least two outer lands may simultaneously support the load of the second piston at a point of highest load on the second piston. | 10-31-2013 |
20130312697 | DUAL LINK INTERNAL COMBUSTION ENGINE - A dual link internal combustion engine, as viewed in a crank axial direction where a crankshaft rotates clockwise, has a following relative configuration. A piston pin center axis is offset to a right side of a piston center line extending through a center of a piston crest surface of a piston. A movement trajectory of a link coupling center of first and second links is positioned to a left side of a piston reciprocation line. A piston center of gravity is positioned to the left side. An average value of a distance in the cylinder axial direction to individual points of the piston crest surface from a reference plane passing through the piston pin center axis and orthogonal to the cylinder axial direction in an area to the left side is greater than an average value of the distance in an area to the right side. | 11-28-2013 |
20130319367 | ZINC-FREE SPRAY POWDER, COPPER-CONTAINING THERMAL SPRAY LAYER, AS WELL AS METHOD OF MANUFACTURING A COPPER-CONTAINING THERMAL SPRAY LAYER - The invention relates to a zinc-free spray powder for thermally coating a substrate, in particular for thermally coating a bearing part of a bearing apparatus, which spray powder has the following composition except for unavoidable contaminants: tin=5% to 30% weight percent; aluminum=0.1% to 5% weight percent; iron=at most 1% weight percent, and copper=difference to 100% weight percent. The invention furthermore relates to a layer system applied via thermal spraying, a work piece, particularly a connecting rod, as well as a spray method for manufacturing a spray layer. | 12-05-2013 |
20140014061 | HIGH-PHOSPHOROUS ELECTROLESS NICKEL (HFEN) TREATMENT FOR BUSHINGLESS CONNECTING ROD - A method for treating a bushingless connecting rod, wherein the bushingless connecting rod comprises an elongated rod having a pin end configured to connect with a piston, and a crank end configured to connect with a crankshaft. The pin end includes a bore with an internal diameter. The method includes cleaning the pin end bore, masking and fixturing the pin end bore with elastomeric separators, and providing a high-phosphorous nickel alloy coating on the internal diameter of the pin end bore. The method may be applied to original equipment or to a worn engine undergoing a remanufacturing process. | 01-16-2014 |
20140041620 | FLEXIBLE CONNECTION ROD - A flexible connecting rod arrangement for engines, hermetic compressors, and any application that requires a connection between a piston and a crankcase or any application that requires a connection between a linear slider and a crankcase. | 02-13-2014 |
20140053798 | BOLTED JOINT INNER THREAD COATING AND METHODS OF MANUFACTURING - A device and corresponding methods for applying a coating material are disclosed. The method may include applying a first coating material on a threaded region of an opening in a multi-piece assembly, and inserting at least one fastener to the threaded region. The fastener may include a mating thread selectively secured to the threaded region of the opening to create a first friction interface between the fastener and the multi-piece assembly. The method may further include tensioning the fastener between a load surface of the multi-piece assembly and the mating thread. In one example, the load surface may define in part a second friction interface between the fastener and the multi-piece assembly that is spaced away from the threaded region such that the first coating material does not influence the second friction interface. In another example, the first coating material may be applied in a substantially uniform thickness. | 02-27-2014 |
20140096740 | MODIFIED CRANKSHAFT PISTON INTERFACE FOR OPTIMIZED CYLINDER PRESSURE AND TORQUE OUTPUT - An improved piston crankshaft interface device provides a stabilized and balanced follower-guide member or “follower” which supports a fulcrum that is created by the point at which the connecting rod fastens to the sliding members within the follower. Sliding members fitted for follower allow the fulcrum to slide with ease up and down, within the follower wherein the movement of the follower is stabilized by attaching members, which fasten the follower to the piston, such that the follower and piston move in unison, as a unit, within the cylinder. | 04-10-2014 |
20140116373 | CONNECTING ROD OF INTERNAL COMBUSTION ENGINE - A connecting rod of an internal combustion engine, including a small end and a shank. The small end employs a flexible structure made of hard material. The hard material is a steel or alloy material having a tensile strength greater than or equal to 700 megapascal. The small end of the flexible structure includes a circular body, a center hole, and a flexible support. The circular body encircles the center hole, and the center hole is a complete circular hole having a constant diameter. The small end matches with a piston pin. The flexible structure of the small end operates to allow an elastic deformation of the center hole along an axial direction thereof produced by cylinder pressure exerted on the piston pin to adapt to a bending deformation of the piston pin along the axial direction. | 05-01-2014 |
20140174400 | SPLIT-ANGLE CONNECTING ROD - The disclosure is directed to a connecting rod, The connecting rod may include a first end having a bore configured to receive a piston pin, and a second end having a yoke and a cap removably connected to the yoke at a separation plane. Together, the yoke and the cap may define a bore configured to receive a crankshaft. The connecting rod may also include a shank extending between the first and second ends and being generally symmetrical about a longitudinal plane that may be oriented at an oblique angle with respect to the separation plane. The connecting rod may further include a radial thickness of a shoulder that is greater than a radial thickness of the yoke at the separation plane. | 06-26-2014 |
20140209054 | PREMIXED COMPRESSION SELF-IGNITION ENGINE - In a premixed compression self-ignition engine which is compact but capable of exerting a high output, an intermediate portion of a trigonal link is rotatably supported on a crankpin, a large end portion of a connecting rod is connected to one end portion of the trigonal link, and a swing link swingably supported on a fulcrum shaft is connected to another end portion of the trigonal link. The engine includes: an intake port open to a crank chamber; a reed valve mounted in the intake port; a scavenging port configured to guide fresh air from the crank chamber into a cylinder bore in a downward stroke of a piston; an exhaust port provided in a cylinder head and open to a top portion of the cylinder bore; and an exhaust valve configured to be opened before the piston opens the scavenging port in the downward stroke of the piston. | 07-31-2014 |
20140318494 | CONNECTING ROD - A connecting rod for a device includes a rod having a large end, and a cap attached to the large end. The large end of the rod and the cap cooperate to define a first side surface and a second side surface disposed opposite to each other. The large end of the rod and the cap further define a crankshaft bore that extends along a crank axis between the first side surface and the second side surface. A thrust surface is defined by at least one of the first side surface or the second side surface, and is disposed on a thrust plane. The thrust surface includes at least one recessed region that extends inward away from the thrust plane of the thrust surface. Each of the thrust surfaces include ramps that extend between the recessed regions and the flat regions at the thrust plane of the thrust surface. | 10-30-2014 |
20140360455 | CONNECTING ROD FOR INTERNAL COMBUSTION ENGINE - A connecting rod for internal combustion engines and the like has a rod, an upper connecting rod part, and a lower connecting rod part the rod is composed of at least two parts including a left part, as considered in direction of rotation of a crankshaft clockwise, having a straight shape and connected directly to the upper connecting rod part and to the lower connecting rod part, and a right preferably bent part connected directly to the lower connecting rod part and to the upper connecting rod part by an intermediate part. | 12-11-2014 |
20140366833 | Connecting Rod with Bearing-less Large End - A connecting rod of an internal combustion engine, that includes a large bore, and an interior bore surface. The current art uses soft metal bearing surfaces to reduce wear, and friction between the connecting rod inner diameter and the crankshaft journal surface. The soft metal bearing surface is a separate component of the engine. In this invention the large bore end interior diameter is coated with a hard material to reduce, or eliminate wear. The hard material is a metal or metal alloy applied to the inner diameter by a thermal spray method. A relatively soft polymer material can also be applied to the interior diameter surface of the con-rod bore. The relatively softer polymer acts as a first and sometimes a consumable layer, and applied over the thermal sprayed hard layer. The polymer layer is often used in conjunction with the sprayed metal layer. The polymer coating may be worn off the inner diameter surface; this delay in surface to surface contact to the sprayed metal layer has beneficial effects on the sprayed metal layer. The delay of surface to surface contact will usually result in a longer service life of the sprayed metal coating. | 12-18-2014 |
20140366834 | CONNECTING ROD FOR A RECIPROCATING-PISTON ENGINE - A length-adjustable connecting rod for a reciprocating-piston engine. At least one first rod part and second rod part are telescopically displaceable relative to and/or into one another. The second rod part forms a guide cylinder and the first rod part forms a piston element which is longitudinally displaceable in the guide cylinder. Between the first and second rod parts is a high-pressure chamber into which at least one first oil duct opens. At least one control valve is arranged in the first oil duct, with an actuator thereof to be displaced into a first position by a spring and into a second position by oil pressure against the force of the spring. To permit adjustment of the compression ratio, a second oil duct formed as a feed duct opens into the high-pressure chamber and in which a check valve is arranged which opens in the direction of the high-pressure chamber. | 12-18-2014 |
20150013635 | Engine Combustion System - An engine combustion system includes a power cylinder and a gear assembly, the piston having respective intake and exhaust valves. The power cylinder includes a connecting rod pivotally attached to a bottom of the piston and extends vertically downwardly in vertical alignment with a gear assembly. A movable rack gear is coupled to the connecting rod and in communication with a rotatably mounted central gear. When an air/fuel mixture is ignited within the power cylinder fuel chamber, the connecting rod is urged downward causing linear movement of the rack gear in operative communication with the rotatably mounted central gear such that the power generated thereby is translated to a vehicle transmission or power train without angular inefficiency of a traditional crankshaft system. | 01-15-2015 |
20150027401 | PISTON AND CONNECTING ROD FOR AN INTERNAL COMBUSTION ENGINE - The invention relates to a piston ( | 01-29-2015 |
20150053168 | Transmission Mechanism For Vehicles Internal Combustion Engines - The present invention relates to transmission mechanism for vehicle Internal Combustion (IC) engines, wherein such mechanism improves the efficiency and the power output of internal combustion engines through dividing the conventional connecting rod between the crank shaft and the piston into two parts; a first part and a second part and connecting such parts together by a pin joint, wherein the second part slides through an oscillating rocker that is connected to the engine block by pin joint, and thus adding a degree of freedom to the conventional connecting rod controlled by said oscillating rocker. The mechanism of the present invention can be retrofitted in the existing vehicle combustion engines without the need for any significant change in the design of such engines. The transmission mechanism of the present invention replaces the traditional connecting rod that connects the piston with the crank shaft of the engine. The mechanism of the present invention comprises essentially a primary connecting rod, a secondary connecting rod, and an oscillating rocker. | 02-26-2015 |
20150053169 | WEIGHT OPTIMIZED CONNECTING ROD - The present invention relates to a connecting rod for an internal combustion engine with a big bearing portion for forming a coupling arrangement with a crankshaft and with a small bearing portion for forming a coupling arrangement with a piston, whereas between the big bearing portion and the small bearing potion is arranged a rod shaft. According to the invention the rod shaft features a single piece construction with a first shaft beam and a second shaft bean arranged substantially parallel to the first shaft beam, whereas the shaft beams extend from the big bearing portion to the small bearing portion and feature a certain distance to each other, whereas at least the small bearing portion features an outer dimension which is broader than the median width of the rod shaft and the transition of the rod shaft into the small bearing portion features a concave transition portion. | 02-26-2015 |
20150059683 | INTERNAL COMBUSTION ENGINE AND CONNECTING ROD - An internal combustion engine with adjustable compression ratio with a connecting rod bearing eye for connecting to a piston of the at least one cylinder and an eccentrical element adjustment device for adjusting an effective connecting rod length, and wherein the eccentrical element adjustment device includes an eccentrical element cooperating with an eccentrical element lever and eccentrical element rods engaging the eccentrical element lever, wherein the eccentrical element rods are loaded with a hydraulic pressure that is provided in hydraulic cavities interacting with the eccentrical element rods, wherein the eccentrical element lever includes at least one eccentrical element lever segment, wherein the at least one eccentrical element lever segment is positioned in axial direction of the eccentrical element in front and/or behind the connecting rod bearing eye, and wherein the at least one eccentrical element lever segment is fixated at the eccentrical element. | 03-05-2015 |
20150122213 | CRANKPIN INCLUDING CAMS, CONNECTING ROD INCLUDING FOLLOWERS, AND INTERNAL COMBUSTION ENGINE INCLUDING CRANKPIN AND CONNECTING ROD - A crankshaft may include first and second journals having circular cross-sections, and a crankpin, the crankpin extending between first and second crankpin journals. The crankpin may include first, second, and third cams including respective first, second, and third cam profiles, wherein the first, second, and third cam profiles differ from one another. At least one of the first, second, and third cam profiles may be configured to affect the stroke of a connecting rod coupled to the crankpin. A connecting rod may include first, second, and third followers including respective first, second, and third follower surfaces, wherein the first and second follower surfaces differ from one another. An internal combustion engine may include a crankshaft and a connecting rod configured to provide relative linear movement between a crankpin axis and a proximal end of the connecting rod. | 05-07-2015 |
20150330296 | SYSTEM FOR A MECHANICAL CONVERSION OF AN INTERNAL COMBUSTION ENGINE OF 4 STROKES INTO 8 STROKES - A converting mechanical system including a dual connecting rod having a top section adapted to be pivotally connected to a piston on a conventional internal combustion engine and a bottom section adapted to be connected to a crankshaft of a conventional internal combustion engine. A support surrounds each dual connecting rod and includes a retractable device. A decoupling device is adapted to be located on the crankshaft a conventional internal combustion engine. The dual connecting rod has a first working position and in which the dual connecting rod is rigid and connected to the crankshaft when the piston moves. In the second working position, the dual connecting rod disconnects the crankshaft from the piston by action of the decoupling device. | 11-19-2015 |
20160061253 | INTERNAL COMBUSTION ENGINE - An internal combustion engine is equipped with a connecting rod and an oil jet. The connecting rod has a small end portion that is coupled to a piston, and the small end portion and a large end portion that is coupled to a crankshaft are connected to each other by a shaft portion. The oil jet injects oil toward a reverse face of the piston. With this internal combustion engine, a communication hole that opens toward the reverse face of the piston and that communicates with a pin hole is provided through the small end portion of the connecting rod. A lower portion of an inner peripheral face that forms the pin hole of the small end portion protrudes more in a direction of extension of a central axis of the pin hole than an upper portion. | 03-03-2016 |
20160091013 | CONNECTING ROD FOR INTERNAL COMBUSTION ENGINE - A base-material hole is formed in a connecting-rod base material. A coating layer is deposited on an inner peripheral surface of the base-material hole. The base-material hole | 03-31-2016 |
20160169099 | SWITCHING VALVE AND INTERNAL COMBUSTION ENGINE HAVING SUCH A SWITCHING VALVE AND A METHOD FOR A SWITCHING VALVE | 06-16-2016 |
20160201717 | DOUBLE-LINK PISTON CRANK MECHANISM FOR INTERNAL COMBUSTION ENGINE | 07-14-2016 |