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5144799 Crossfire calibrated exhaust system  
This invention relates to a dual-exhaust system for an internal combustion automotive engine. Instead of just the usual direct channeling of exhaust gases from the engine towards the muffler, the...
5144800 Exhaust manifold system for a transverse v-type engine  
An exhaust manifold system is provided for a transverse V-type engine including front and rear banks, each having a plurality of cylinders. The exhaust manifold system includes a front exhaust...
5142863 Engine part provided with manifold type exhaust passage  
An engine part with a cast main body and a manifold type ceramic liner which is cast in the main body to define a manifold type exhaust passage therein, the ceramic liner including a hollow...
5134852 Clam shell type Y-joint  
A Y-shaped, clam shell type coupling device for use in automotive vehicle exhaust systems to couple two exhaust pipes that are connected to an engine manifold to a single exhaust pipe that is...
5109668 Marine exhaust manifold and elbow  
A marine exhaust assembly (10) includes a manifold portion (14), an elbow portion (24), a water jacket portion (38), and exhaust runner walls (40, 42, 44, 70, 72, 74, 76, 78, 80), providing a...
5069036 Exhaust gas line system for a supercharged internal combustion engine  
An exhaust gas line system for an internal combustion engine supercharged by an exhaust gas turbocharger, having a modularly assembled exhaust gas collector pipe (1), which supplies the...
5056310 Exhaust pipe for a multi-cylinder piston internal-combustion engine  
An interior pipe carrying exhaust gases is arranged in a cooled housing 13. The interior pipe fastened to the housing 13 comprises individual sections 18 arranged in series while leaving expansion...
5048291 Exhaust muffler for marine engines with two rows of cylinders  
An exhaust muffler for marine engines with two rows of cylinders, especially V-engines. The exhaust muffler comprises a horizontal cylindrical container (20) mounted transverse to the rows of...
5031401 Means for treatment of the exhaust gases of combustion  
The invention relates to a thermally, and optionally catalytically, operative exhaust gas treatment reactor of an engine, comprising filamentary material directly against and inside the heat...
5022227 Pipe carrying hot gases for an internal-combustion engine  
The fastening of the thin-walled exhaust pipe inside the liquid-cooled covering takes place by means of screws which are distributed in a cross-sectional plane of the exhaust pipe at the...
5020319 Hollow heat-resisting body assembly for internal combustion engine  
A heat-resistant casing for an internal combustion engine comprises an outer wall member made of an aluminum alloy by casting and an inner wall member made of ceramic and embedded in the outer wall...
5018661 Heat-resistant exhaust manifold and method of preparing same  
A method of lining an exhaust manifold is disclosed, comprising the steps of applying a thin layer of a heat-resistant compound to the interior of an exhaust manifold and bonding the compound to...
5018349 Exhaust efficiency increasing apparatus  
The disclosure is directed to an exhaust efficiency increasing apparatus incorporating crossover ducts between dual exhaust conduits extending from an engine having two cylinder banks. The ducts...
5014903 Heat-retaining exhaust components and method of preparing same  
A method lining a component of a vehicle which may contact exhaust gases is disclosed, including the steps of applying a thin layer of a heat-resistant compound to an inner surface of the component...
5010731 Exhausting apparatus of four-cycle four-cylinder engine  
An exhausting apparatus for a four-cycle four-cylinder engine having four cylinders each provided with an exhaust port comprises four exhaust pipes connected to corresponding exhaust ports of the...
5003775 Self-suctioning piston engines  
Self-suctioning apparatus for multi-cylinder piston engines uses a tube-like pipe system extending from the manifold of the engine and includes a diverter for dividing the waste gas stream into...
5003934 Hood covering the space between cylinder banks of an internal-combustion engine which are arranged in a V-shape  
A hood covering the space between cylinder banks of an internal-combustion engine which are arranged in a V-shape is provided for the gastight enclosure of a ram pipe arranged in an area between...
4993227 Turbo-charged engine  
A turbo-charged internal combustion engine having the cylinders communicating with exhaust passages that merge into common outlets that are disposed midway between the exhaust passages and which...
4972674 Heat insulating ceramic insert-cast articles for use in exhaust channels in internal combustion engines and a process for producing the same  
A heat insulating ceramic insert-cast article for an internal combustion engine, comprising a ceramic liner and a metallic member enclosing an outer periphery of the ceramic liner. The ceramic...
4959956 Robust exhaust manifold  
An exhaust manifold for a multicylinder type internal combustion engine, which comprises a plurality of branch tubes each having one end adapted to connect with an exhaust port of the engine; a gas...
4953352 Exhaust system  
An exhaust system is provided for internal combustion engines which relatively improves the performance and reduces noise output of such engines. The system comprises a plurality of exhaust pipes...
4951465 Exhaust system for multi-cylinder engine  
A number of embodiments of exhaust arrangements for two cycle multiple cylinder internal combustion engine. In each embodiment, the cylinder block has exhaust ports that communicate with the...
4939898 Exhaust system for multi-cylinder internal combustion engines and method for controlling same  
The present invention provides methods to take advantage of the exhaust gas pulses in an exhaust system of a multi-cylinder internal combustion engine to increase the volumetric efficiency over the...
4926635 Exhaust system for multi-cylinder engine  
An exhaust system for a V-type six-cylinder engine having first and second banks each having three engine cylinders. The exhaust system includes first and second exhaust systems which are...
4924669 Cover structure for exhaust manifold inlet ducts  
There is disclosed a cover unit of an exhaust manifold device in which sound-and-heat shielding covers are attached via bosses to upper and lower parts of exhaust manifold inlet ducts integral with...
4914912 Exhaust-manifold heat insulating board  
An exhaust-manifold heat insulating board is provided which has an insulating layer sandwiched between an inner layer and an outer layer. The inner and outer layers are laminated together and have...
4911124 Engines for use with gaseous fuels  
An internal combustion engine designed to use gas as fuel. Exhaust valve (2) operation is effected via: (i) a push rod of two parts, the respective ends of which are pivoted to an intermediate...
4884400 Exhaust manifold of internal combustion engine  
Herein disclosed is an improved exhaust manifold for an internal combustion engine, which comprises an outer body of aluminium having a configuration corresponding to the exhaust manifold, and...
4869064 Exhaust gas line for a supercharged, multi-cylinder piston internal combustion engine  
An inner line (11) conducting the exhaust gases is arranged within a gas-tight housing (12, 13) surrounding the inner line (11) with a spacing. The inner line (11 l ) is assembled of individual...
4866934 Marine drive exhaust system with shaped O-ring seals  
A marine drive exhaust system (10, 12, 14) is provided with resilient, shaped rubber O-ring seals (20, 74) between facing surfaces (16, 18) of the exhaust manifold (10) and exhaust elbow (12), and...
4850189 Manifold baffle system  
An exhaust manifold includes an inner shell providing a first flange having an interior and exterior surface and an outer shell cooperating with the inner shell to define an interior region...
4836160 Internal combustion engine provided with a sound-insulating enclosure  
An internal combustion engine is provided with a sound-insulating enclosure (2), which defines a sealed passage extending through the enclosure. A passage which extends through the enclosure is...
4819428 Exhaust system for an internal combustion engine  
The invention relates to an exhaust system for a multicylinder internal combustion engine comprising at least a manifold formed by individual exhaust ducts connected to the engine's cylinders,...
4817374 Exhaust control device of engine  
An exhaust control device for an exhaust system for an internal combustion engine specifically applied to a motorcycle. An exhaust control device is incorporated that includes a single valve body...
4815274 Exhaust systems for multi-cylinder internal combustion engines  
An exhaust system for a multi-cylinder internal combustion engine has a tailpipe (13) which is divided by a partitioning wall or walls (14,15) into separate channels extending at least part-way of...
4813232 Exhaust device for internal combustion engine  
An exhaust device for use in an internal combustion engine includes a plurality of independent passages each connected to an exhaust port of a respective cylinder of the engine. At least one...
4807436 Arrangement for the mounting of exhaust gas lines  
The invention relates an arrangement for the mounting of exhaust gas lines which are arranged in an exhaust gas-tight space, and serve for the transfer of the combustion gases from the exhaust...
4796426 High efficiency transition element positioned intermediate multi-cylinder exhaust system and secondary pipe assemblies  
An improved multi-cylinder engine exhaust header and single exhaust pipe transition element. The transition element comprises separate cylinder exhaust input connections, a gas chamber, a single...
4785626 Exhaust gas control means for motorcycle and the like  
A number of embodiments of motorcycle exhaust systems including control valves for controlling the effective area of the exhaust pipes and for improving performance by preventing reflections from...
4777708 Method for manufacturing an exhaust manifold  
A process is provided for manufacturing an exhaust manifold. The manifold comprises at least one stamp formed inlet flange, a stamp formed sheet metal inner shell and a stamp formed sheet metal...
4745742 Dual path exhaust pipe for mounting an oxygen sensor  
A dual exhaust pipe segment for mounting an oxygen sensor is connected to a dual exhaust manifold of an internal combustion engine. The exhaust pipe segment comprises a communicating portion where...
4731993 Exhaust apparatus for a V-type internal combustion engine  
An exhaust apparatus connected to a V-type internal combustion engine which is mounted in an engine compartment in a front part of a vehicle. The exhaust apparatus comprises a front exhaust...
4707986 Exhaust system for water craft engines  
An improved exhaust system for water craft engines is disclosed, which consists in the main an exhaust manifold connected to the cylinder exhaust port of the engine, an exhaust pipe joined at one...
4689952 Tuned exhaust manifold  
A tuned exhaust manifold is provided for attachment to an engine having a plurality of exhaust ports. The manifold includes an inner and outer shell joined together to form an exhaust chamber and...
4671057 Stamped exhaust manifold including a baffle for forming an insulated chamber  
A stamped exhaust manifold for a small internal combustion engine having a stamped sheet metal housing including an inlet and an outlet. A sheet metal baffle is located in the housing opposite the...
4671059 Diesel particulate traps  
A particulate trap system for use with a diesel engine includes a first particulate trap in heat exchange relation with the exhaust materials passing through the first exhaust bank, and a second...
4662173 Exhaust manifold for opposed cylinder engines  
An exhaust manifold for multi-cylinder, opposed piston engines includes a collector, a plurality of conduits, each connecting an exhaust port from a cylinder to the collector and each conduit...
4658580 Exhaust gas line for a supercharged, multi-cylinder piston internal combustion engine  
A fastening arrangement of an inner pipe line arranged in a housing adapted to be closed off gas-tight and conducting the exhaust gases, which is easy to assemble and reliable in operation, is...
4656830 Exhaust manifold for internal combustion engines  
An exhaust manifold for an internal combustion engine wherein exhaust ducts connected to respective engine cylinders are formed of discrete pipe members. A united section has an upstream divergent...
4653270 Exhaust system for V-type engine  
A motor vehicle having a transversely disposed V-type engine with first and second exhaust manifolds associated with the forward and rearward cylinder banks, respectively. An exhaust pipe...