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| Number | Title | Issue Date |
| 8136352 | Cover member for plural exhaust pipes A vehicle that sufficiently insulates heat between plural exhaust pipes connected to an engine. A cover member bridges over and covers the periphery of the exhaust pipes. A thermal insulation member fills in a space on a line connecting centers of the exhaust pipes,... | 03/20/2012 |
| 8127539 | Exhaust manifold An exhaust manifold includes a plurality of branch pipes 2 to 5 and an adapter member 9 that has a ring portion 10 provided at exhaust-gas downstream side end portions 2a to 5a of the branch pipes 2 to | 03/06/2012 |
| 8104273 | Double-shell manifold This exhaust manifold (12) includes: an outer casing (18) includes: an outer shell (22); a flange (24) which is welded to the outer shell (22) and which has a sur... | 01/31/2012 |
| 8099954 | Exhaust manifold An exhaust manifold includes a plurality of branch pipes that guide exhaust gas discharged from cylinders, and a junction pipe that converges downstream-side end portions of the plurality of branch pipes in a flow direction of exhaust gas, and that has a drawn porti... | 01/24/2012 |
| 8079214 | Integrally formed engine exhaust manifold and cylinder head An engine in which an exhaust manifold is integrally formed with a cylinder head may include the exhaust manifold in which at least one passage, which is connected to at least one exhaust port disposed in a first cylinder, and at least one passage, which is connecte... | 12/20/2011 |
| 8061130 | Collecting part structure of exhaust manifold An exhaust manifold A includes, in its collecting part structure, a plurality of branch pipes 2 to 5 that are connected with a flange head 1, a collecting part 6 that collects and contains exhaust-gas downstream side end portions 2... | 11/22/2011 |
| 8061131 | Cylinder head for an internal combustion engine A cylinder head adapted to be mounted to a cylinder block of an internal combustion engine has a cooling jacket at least partially integrated in the cylinder head. The engine has two groups of cylinders: inside cylinders and outside cylinders. Each cylinder has at l... | 11/22/2011 |
| 8051648 | Exhaust manifold being integrally formed with cylinder head An engine includes exhaust manifold integrally formed with a cylinder head. The engine may include an exhaust manifold having at least one single exhaust outlet for exhausting exhaust gas that is exhausted from at least two cylinders that are not adjacent with each ... | 11/08/2011 |
| 8020378 | Exhaust manifold comprising aluminide An exhaust manifold includes an exhaust conduit having an inner surface, and an aluminide layer disposed on at least a portion of the inner surface of the manifold. The exhaust manifold is made by applying aluminum on an inner surface of the manifold and oxidizing t... | 09/20/2011 |
| 7971431 | Exhaust gas system An exhaust gas system for an internal combustion engine, in particular a motor vehicle engine, is provided having, in one form, two cylinder banks arranged at an acute angle to one anther and each having at least one exhaust gas outlet, a so-called V-engine, having ... | 07/05/2011 |
| 7930883 | Exhaust device of six-cylinder engine An exhaust device of a six-cylinder engine includes first to sixth cylinders and a manifold extending from the first to sixth cylinders. The first to sixth cylinders are ignited in that order. The exhaust manifold can include first to sixth upstream exhaust pipes ex... | 04/26/2011 |
| 7930884 | Exhaust manifold A manifold for exhaust gases from a motor vehicle engine, includes upper and lower half-shells (18A, 18B) delimiting between them an exhaust gas pipe, and aligned bores designed to be arranged in the extension of the engine exhaust outlets, the half-sh... | 04/26/2011 |
| 7882700 | Exhaust pipe structure To provide an exhaust pipe structure in which the length of the exhaust pipe can be elongated while the total dimension is restricted. Provided is an exhaust pipe structure which includes an upstream-side exhaust pipe connected to exhaust ports of an engine. An exha... | 02/08/2011 |
| 7856812 | Exhaust device of eight-cylinder engine An exhaust device of an eight-cylinder engine can include first to eighth cylinders and a manifold. The first to eighth cylinders are ignited in that order. The exhaust manifold includes first to eighth upstream exhaust pipes extending respectively from the first to... | 12/28/2010 |
| 7856813 | Exhaust system for eight-cylinder engine An exhaust manifold includes first to eighth upstream exhaust pipes extending respectively from first to eighth cylinders ignited in that order; first to fourth midway exhaust pipes extending respectively from a joint of extended ends of the first and fifth upstream... | 12/28/2010 |
| 7849683 | Multiple-cylinder internal combustion engine having cylinder head provided with centralized exhaust passageway A cylinder head 2 for a multiple-cylinder internal combustion engine is provided with a centralized exhaust passageway E. The centralized exhaust passageway E includes individual exhaust passageways 51 to 54 connected to combustion chambers defi... | 12/14/2010 |
| 7832205 | Deflector style exhaust manifold An exhaust manifold for an engine having at least one combustion chamber and multiple exhaust valves arranged on a first plane is provided with a housing formed to provide a longitudinally extending main exhaust gas passage on a second plane terminating in an outlet... | 11/16/2010 |
| 7698889 | Porous insert for an exhaust system of a marine engine A porous member is disposed within the exhaust stream of a marine engine at a location where its temperature approximates the temperature of the exhaust stream through normal use of the engine. Exhaust gas flows freely through the non-catalytic porous member, but wa... | 04/20/2010 |
| 7669412 | Exhaust manifold for internal combustion engine An exhaust manifold connected to exhaust ports of at least three straightly-arranged cylinders of an internal combustion engine is constructed by a primary exhaust pipe which extends from the foremost cylinder of the cylinders in the rearward direction of the engine... | 03/02/2010 |
| 7640733 | Structural component, especially a shielding component A structural part, especially a shielding component, has structural parts (10, 12, 14, 16) at least in part differently configured with respect to their surface extent and/or the directional pattern. At least one structural part (10) of a first type is... | 01/05/2010 |
| 7634908 | Exhaust system Disclosed is an exhaust system for discharging combusted gases from the cylinder of a vehicle engine, which comprises an exhaust manifold with a plurality of exhaust gas runners, wherein the exhaust gas runners are spaced so as to avoid an exhaust gas interference. | 12/22/2009 |
| 7603853 | Apparatus and method for modeling and fabricating tubular members A plurality of interchangeable straight and curved short cylindrical module segments are selectively and releasably joined together end-to-end manually and rotated relative to one another to form full-scale three-dimensional models of desired complex shapes of tubin... | 10/20/2009 |
| 7596944 | Mixing element for an exhaust gas system The present invention relates to a mixing element and an exhaust system of an internal combustion engine. The mixing element has two inlet openings and two outlet openings, wherein each inlet opening communicates with both outlet openings. ... | 10/06/2009 |
| 7578124 | Exhaust system of a combustion engine An exhaust system for a combustion engine which comprises at least one exhaust manifold with a plurality of inlet pipes for connection to exhaust ports of the combustion engine. The exhaust system comprises a collector device for merging of the inlet pipes, which ha... | 08/25/2009 |
| 7578125 | Exhaust manifold with catalytic converter shell tube A catalytic converter subassembly having at least one component inserted during the manufacture of a cast exhaust manifold, thereby eliminating a costly and undesirable manifold to converter weld. The method and converter subassembly comprise a converter shel... | 08/25/2009 |
| 7565800 | Exhaust components including high temperature divider plate assemblies A combustion engine exhaust assembly. The assembly comprises an exhaust gas passageway that includes a divider plate assembly. The divider plate assembly includes a body and a divider plate wherein at least one of the body and the divider plate are generally formed ... | 07/28/2009 |
| 7520127 | Exhaust manifold for four-cylinder engine In an exhaust manifold of a four-cylinder engine four cylinders of which line up in order of cylinder #1, cylinder #2, cylinder #3 and cylinder #4, temperature rise performance of a manifold catalyst improves by shortening a total length ... | 04/21/2009 |
| 7503171 | Exhaust system for an internal combustion engine An exhaust system for an internal combustion engine having a plurality of cylinders is disclosed. The exhaust system comprises a plurality of exhaust branch passages, an intermediate exhaust pipe section, a partition plate and a downstream pipe section. Each exhaust... | 03/17/2009 |
| 7497079 | Exhaust manifold An exhaust manifold is provided with a plurality of branch pipe parts and a collecting pipe part. The plurality of branch pipe parts are respectively connected to a plurality of exhaust ports of a multicylinder internal combustion engine. The collecting pipe part is... | 03/03/2009 |
| 7458210 | Vehicle exhaust apparatus and motorcycle equipped therewith In a vehicle exhaust apparatus constituting an exhaust passage to an exhaust muffler from a plurality of exhaust pipes connected to a multi-cylinder engine, an expansion chamber is formed along the exhaust passage and is connected to an exhaust collector portion. Th... | 12/02/2008 |
| 7434390 | Air-gap-insulated exhaust manifold The present invention relates to an air-gap-insulated exhaust manifold (1) of an internal combustion engine, in particular in a motor vehicle, having a collecting line (2) that extends in a longitudinal direction (3), an outlet opening (4... | 10/14/2008 |
| 7426980 | Internal combustion engine exhaust system An exhaust system for an internal combustion engine having two banks of cylinders by which pulses of exhaust gas are alternately directed to a diverter subassembly. The diverter subassembly, which is located in the muffler, includes a perforated gas decelerator cham... | 09/23/2008 |
| 7418817 | Structural component, especially shielding part A structural component, especially a shielding part, has structural parts configured at least in part differently in terms of their superficial extension and/or the direction in which they extend. At least one structural part of a first type (10) is provided.... | 09/02/2008 |
| 7418818 | Exhaust system, and engine device and vehicle with the same An exhaust system includes a first exhaust pipe group, a first catalyst device, and a second exhaust pipe group. A first coupling pipe of the first exhaust pipe group includes spaces in communication with respective first exhaust pipes. A second coupling pipe of the... | 09/02/2008 |
| 7412824 | Catalytic converter system for diesel engines An improved exhaust system for a diesel engine and an improved overhead exhaust manifold segment therefore wherein the improvement comprises a plurality of catalytic converter elements removably positionable in the overhead exhaust manifold over the outlet ends of a... | 08/19/2008 |
| 7401463 | Heat shield for internal combustion engine exhaust system A heat shield for an internal combustion engine exhaust system for supporting a first heat shield plate and a second heat shield plate on a U-shaped exhaust pipe extending from an exhaust port of an engine, via a support member such as band members, and heat shield ... | 07/22/2008 |
| 7370611 | Apparatus and method for controlling the operation of a cooling system for a marine propulsion device A cooling system for a marine propulsion device provides a bypass loop around a cooling pump that allows the flow of cooling water through certain components to be reduced or increased as a function of the temperature of those components while causing a full flow of... | 05/13/2008 |
| 7350351 | Exhaust system of engine of motorcycle An exhaust system of an engine of a motorcycle, including an exhaust pipe configured to extend in one of an upward direction and a downward direction from an exhaust port formed at a front portion of a cylinder head of the engine and to then be bent to extend in an ... | 04/01/2008 |
| 7350823 | Double pipe forked part structure and method of making the same A forked part structure of a double pipe has an outer pipe, an inner pipe, a branch pipe and an open end portion of the outer pipe. The open end portion of the outer pipe has a substantially tubular inner pipe supporting portion to which the inner pipe is brazed, an... | 04/01/2008 |
| 7347045 | Motorcycle dynamic exhaust system The present invention provides a method of operating a dynamic exhaust system of a motorcycle engine. The method includes providing a valve in the exhaust system that is movable to direct exhaust gases between a first flow path through the exhaust system and a secon... | 03/25/2008 |
