Class / Patent application number | Description | Number of patent applications / Date published |
123193300 | Having detail of connection to other cylinder structure | 25 |
20080245334 | Fastening Structure For Cylinder Head And Divided Type Cylinder Block Of Engine - A cylinder block | 10-09-2008 |
20080271700 | CYLINDER HEAD AND PRODUCTION METHOD FOR A CYLINDER HEAD - A cylinder head for an internal combustion engine is provided for a motor vehicle. The cylinder head includes, but is not limited to a flow channel, which can be connected to a cylinder. An air duct for injecting gas into the flow channel is connected to the flow channel via a connection channel. The air duct is produced by means of casting and cylinder head provides for a good secondary air injection by means of a simple production. | 11-06-2008 |
20090056666 | Connection arrangement for clamping a cylinder head to a crankcase of a reciprocating internal combustion engine - The invention relates to a connection arrangement for assemblies of an internal combustion engine, more preferably for the clamping of a cylinder head to a crankcase by means of at least one tension rod, wherein a sealing device is associated with the or each tension rod in order to seal an external thread of the tension rod against a medium. In order to create a new kind of device with tension rod clamping, which omits a slot causing notch stress in the tension rod yet securely protects the thread of the tension rod against corrosive attack it is provided that the sealing device comprises a profiled elastomer sealing ring which is positively fixed within a thread undercut on the circumference of the tension rod shank and which is compressed in a defined manner through the screwing-in of the tension rod in the bore of the assembly and through the surface geometry of the circumference of the tension rod shank and the bore of the assembly. | 03-05-2009 |
20100037847 | Internal combustion engine comprising several combustion chambers - In an internal combustion engine having several combustion chambers formed in in-line cylinders wherein an air/fuel mixture can be combusted and which include a common cylinder head, with discharge passages formed within the cylinder head and extending to a common confluence zone in communication with a discharge manifold, the common confluence zone is delimited on a first side (A) by at least one cylinder head wall and a separate shell element on a second side mounted to the outside of the cylinder head, the shell element being curved funnel-like for conducting the exhaust gas away from the engine. | 02-18-2010 |
20110139113 | Compound Sealing Mechanism, Cylinder Liner, And Engine Assembly Method - A cylinder liner and compound seal assembly for an internal combustion engine includes a cylinder liner having a liner body with an outer surface and an inner surface defining a longitudinal bore. The cylinder liner further includes a first axial end, and a second axial end which includes a sealing surface and a protective end projection extending in an axial direction from the sealing surface. A compound sealing mechanism for establishing seals between an engine head and an engine housing includes a one-piece gasket body having an outer radial region and an inner radial region which includes a combustion seal having an engine head sealing surface and a cylinder liner sealing surface, and a recess formed in the lower surface and located radially outward of the cylinder liner sealing surface and configured to receive therein a protective end projection of the cylinder liner. The recess may include a continuous annular recess circumferential of a center axis of a cylinder opening formed in the one-piece gasket body, and positioned adjacent the cylinder liner sealing surface. The protective end projection may include a continuous annular projection arranged coaxially with the longitudinal bore and positioned adjacent an inner surface of the cylinder liner. | 06-16-2011 |
20120255515 | CYLINDER HEAD OF SMALL-SIZED GENERAL-PURPOSE GASOLINE ENGINE AND GASOLINE ENGINE HAVING THE SAME - The invention discloses a cylinder head of a small-sized general-purpose gasoline engine and a gasoline engine having the same. The cylinder head of the small-sized general-purpose gasoline engine comprises a cylinder head body ( | 10-11-2012 |
20120318229 | Internal Combustion Engine Comprising a Connecting Assembly for a Cylinder Head - An internal combustion engine having a connecting assembly for a cylinder head ( | 12-20-2012 |
20130068188 | ARRANGEMENT IN A COMBUSTION ENGINE - In a combustion engine including a cylinder ( | 03-21-2013 |
20130199489 | CYLINDER HEADS FOR AIRCRAFT ENGINES - An aircraft cylinder head with low pressure loss inlet passageways and exhaust passageways. In an embodiment, the combustion air inlet passageway includes a multi-lobed configuration that reduces pressure drop through the inlet passageway. In an embodiment, the hot exhaust gas passageway provides a shaped design that increases flow velocity yet reduces pressure drop. In an embodiment, an improved intake valve is provided, shaped to reduce creation of turbulence as inlet air flows past the inlet valve. In an embodiment, an improved exhaust valve is provided, shaped to reduce pressure losses as exhaust gases exit the cylinder. | 08-08-2013 |
20130340702 | VALVE APPARATUS FOR AN INTERNAL COMBUSTION ENGINE - A method includes coupling a cylinder head to a cylinder block. A valve member is then moved into a valve pocket defined by the cylinder head such that a first stem portion of the valve member engages an actuator. A first portion of the biasing member is then disposed against a second stem portion of the valve member, the second stem portion being opposite the first stem portion. An end plate is then coupled to the cylinder head such that a second portion of the biasing member engages the end plate. | 12-26-2013 |
20140076262 | CYLINDER HEAD OF INTERNAL COMBUSTION ENGINE - A cylinder head ( | 03-20-2014 |
20140083389 | CYLINDER HEAD WITH ANNULAR VALVE FOR INTERNAL-COMBUSTION ENGINE - Cylinder head of combustion engine with ring-shaped valve comprising the body ( | 03-27-2014 |
20140150746 | VALVE COVER WITH INTEGRATED SPARKPLUG TUBE - A valve cover for an engine and a method is provided. The valve cover may include a cover body, and a sparkplug tube formed integrally with the cover body. In this way, any distortion of the bottom end of the sparkplug tubes due to, for example removal and reinstallation may not provide a leakage path. | 06-05-2014 |
20140230772 | DUAL PATH SAIR FOR DUAL PLANE INTEGRATED EXHAUST MANIFOLDS - A secondary air injection or SAIR system is illustrated and described which includes a first air injection path defined by in part by a lower ditch formed in the head mounting surface of the cylinder block, and a second air injection path defined in part by a second ditch formed in the block mounting surface. The cylinder head gasket is used to separate and seal the first ditch from the second ditch. The first and second air injection paths are separate and isolated from one another such that secondary air may be selectively introduced through the first air injection path into the first exhaust leg and selective introduced through the second injection path into the second exhaust leg independent of the first air injection path. | 08-21-2014 |
20140305397 | CAMSHAFT SUPPORT STRUCTURE - Support bases for supporting camshafts in a rotatable manner are mounted on the cylinder head of an internal combustion engine. The support bases are provided so as to be separated from each other in the axial direction of the camshafts. Each of the support bases comprises bearing portions which support the camshafts and a through-hole which extends in the axial direction of the camshafts. A rod is inserted through the through-holes, and the rod restricts the bearing portions from being displaced from positions at which the bearing portions are located while the internal combustion engine is stopped and cold. | 10-16-2014 |
20140318491 | SUPERCHARGED ENGINE DESIGN - The present engine design can comprise one or more three-cylinder modules. Each module can comprise a left-hand combustion cylinder, a compression cylinder and a right-hand combustion cylinder. In an embodiment, the compression cylinder can function as a supercharger providing compressed air to the two combustion cylinders in order to improve performance and efficiency. Each module can comprise a specialized cylinder head comprising an intake air plenum configured to allow pressurized air to flow from the compression cylinder into each of the combustion cylinders. The flow of this pressurized air can be precisely controlled by valves that control airflow into and out of each of the three cylinders. Variable valve timing and computer controls can determine the exact amount of fuel, if any, which will be injected into the combustion cylinders to deliver high fuel economy while delivering an optimal level of power, horsepower and torque. | 10-30-2014 |
20140345558 | ENGINE AND STRADDLE-TYPE VEHICLE - An engine of a straddle-type vehicle includes a seal between a surrounding wall and a pipe. A cylinder head includes a first surrounding wall portion and a second surrounding wall portion. One end of the pipe is pressed in against the first surrounding wall portion. The second surrounding wall portion is located more distant from an attachment portion than the first surrounding wall portion is, and has an inner diameter larger than that of the first surrounding wall portion. The pipe includes an annular projection. The annular projection projects from the outer periphery of the pipe, and divides a space defined by the outer periphery of the pipe and the inner periphery of the second surrounding wall portion into subspaces arranged in an axial direction of the pipe when the one end of the pipe is pressed in against the first surrounding wall portion. | 11-27-2014 |
20140352645 | CYLINDER LINER AND CYLINDER HEAD FOR COMBUSTION ENGINE - A cylinder liner for being mounted to a cylinder head of an internal combustion engine includes an inner liner face for guiding a piston of the internal combustion engine, an outer liner face, and a liner end face facing the cylinder head in a mounted state and connecting the inner liner face and the outer liner face. The inner liner face extends along a cylinder axis of the cylinder liner. The liner end face includes a sealing groove for holding a joint ring and a step-like structure formed in a liner wall of the cylinder liner. The step-like structure includes in series a first radially extending liner face, a first axially extending liner face, a second radially extending liner face, a second axially extending liner face, a third radially extending liner face, and a transition liner face. | 12-04-2014 |
20150090214 | SUPERCHARGED ENGINE DESIGN - The present engine design can comprise one or more three-cylinder modules. Each module can comprise a left-hand combustion cylinder, a compression cylinder and a right-hand combustion cylinder. In an embodiment, the compression cylinder can function as a supercharger providing compressed air to the two combustion cylinders in order to improve performance and efficiency. Each module can comprise a specialized cylinder head comprising an intake air plenum configured to allow pressurized air to flow from the compression cylinder into each of the combustion cylinders. The flow of this pressurized air can be precisely controlled by valves that control airflow into and out of each of the three cylinders. Variable valve timing and computer controls can determine the exact amount of fuel, if any, which will be injected into the combustion cylinders to deliver high fuel economy while delivering an optimal level of power, horsepower and torque. | 04-02-2015 |
20150096523 | WELDED ENGINE BLOCK FOR SMALL INTERNAL COMBUSTION ENGINES - A small air-cooled internal combustion engine includes an aluminum cylinder block, an aluminum cylinder head welded to the aluminum cylinder block, and a weld securing the aluminum cylinder block to the aluminum cylinder head, wherein a joint having a first length is formed between the aluminum cylinder block and the aluminum cylinder head and wherein the weld extends for a second length that is at least 25% of the first length. | 04-09-2015 |
20150144091 | COVER ASSEMBLY - The invention relates to a cover assembly for covering of a cylinder head with a lid, a frame and at least one air-oil separator, as well as the use of such a cover assembly as an enclosure for at least one cylinder head of a combustion engine of a vehicle or a combustion engine for stationary use. | 05-28-2015 |
20150300290 | Water-Cooled Internal Combustion Engine Cylinder Head And Water-Cooled Internal Combustion Engine Equipped With Same - A cylinder head is prepared by integrating an upper cylinder head part and a lower cylinder head part, which are manufactured separately, into the whole, wherein the fuel injector receiving hole, the intake valve stem receiving hole and the exhaust valve stem receiving hole are respectively prepared by integrating their upper portions which are formed together with the upper cylinder head part and their lower portions which are formed together with the lower cylinder head part respectively; the intake duct and the exhaust duct are formed in the lower cylinder head part; the cylinder head water cavity is prepared by integrating an upper water cavity portion formed together with the upper cylinder head part and a lower water cavity portion formed together with the lower cylinder head part into the whole, alternatively, the cylinder head water cavity is formed, as a whole, with the lower cylinder head part. | 10-22-2015 |
20150322885 | CYLINDER HEADS FOR AIRCRAFT ENGINES - An aircraft cylinder head with low pressure loss inlet passageways and exhaust passageways. In an embodiment, the combustion air inlet passageway includes a multi-lobed configuration that reduces pressure drop through the inlet passageway. In an embodiment, the hot exhaust gas passageway provides a shaped design that increases flow velocity yet reduces pressure drop. In an embodiment, an improved intake valve is provided, shaped to reduce creation of turbulence as inlet air flows past the inlet valve. In an embodiment, an improved exhaust valve is provided, shaped to reduce pressure losses as exhaust gases exit the cylinder. | 11-12-2015 |
20160003185 | INTERNAL COMBUSTION ENGINE HAVING A SPLIT CRANKCASE - An internal combustion engine has a crankcase having a first crankcase portion fastened to a second crankcase portion along a first plane, a crankshaft, a cylinder block defining two cylinders, two pistons, and a cylinder head. A crankshaft support defines a crankshaft support aperture. A central portion of the crankshaft is received in the crankshaft support aperture. At least one fastener fastens the crankshaft support to the cylinder block. The at least one fastener is perpendicular to a crankshaft axis and is disposed in a second plane. The crankshaft axis is normal to the first plane. The second plane is one of coplanar with and parallel to the first plane. | 01-07-2016 |
20160076479 | CYLINDER HEAD COVER - A cylinder head cover for a cylinder head of a piston engine may include a cover body for mounting on the cylinder head. The cover body may include a cover body section and a first longitudinal side edge disposed opposite a second longitudinal side edge. An outer cover seal may seal off the cover body from the cylinder head and extend completely around along an outer edge of the cover body. A securing bridge may be fitted over the cover body on an outer side along the cover body section from the first longitudinal side edge of the cover body to the second longitudinal side edge. | 03-17-2016 |