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| Number | Title | Issue Date |
| 7090710 | Air intake duct for vehicle An air intake duct for a vehicle having a cuttable groove at an external wall of an air exhaust port can be applied to any vehicle regardless of whether an air filter is adopted, thus providing cost-effectiveness, preventing air leakage when the air filter is not us... | 08/15/2006 |
| 4592329 | Apparatus and operating method for an internal combustion engine A method and apparatus for operating an electric ignition, internal combustion engine that substantially improves the fuel efficiency by utilizing heat normally discharged to the ambient to condition and prepare the fuel mixture prior to entry into the co... | 06/03/1986 |
| 4516538 | Intake manifold for internal combustion engines In an internal combustion engine, an intake manifold has a main distributing chamber and an auxiliary distributing chamber disposed to overlap with the main distributing chamber at a location inward thereof. The main distributing chamber is divided by a p... | 05/14/1985 |
| 4501235 | Tuned engine intake manifold An automotive type engine is provided with an intake manifold having tuned runners all of the same length and each extended to a substantial length sufficient to tune the runner, and each of which are coiled unidirectionally approximately 270° from the p... | 02/26/1985 |
| 4367719 | Cross-flow type internal combustion engine having an exhaust gas recirculation system A cross-flow type internal combustion engine has an improved exhaust gas recirculation passage which comprises a first passage section formed in the intake manifold, a second passage section formed in the cylinder head and a third passage section formed i... | 01/11/1983 |
| 4170203 | Intake and exhaust manifolds A multi-fuel internal combustion engine block, head and manifold assembly having a plurality of intake ports and exhaust ports communicating with a plurality of cylinders through one side of the assembly includes a low profile intake and exhaust manifold ... | 10/09/1979 |
| 4099500 | Exhaust system for internal combustion engine A multi-cylinder internal combustion engine of the type having an auxiliary combustion chamber associated with each main combustion chamber, and connected thereto by a torch opening, is provided with an improved manifold system and exhaust reaction chambe... | 07/11/1978 |
| 4083339 | Apparatus for heating intake mixture from exhaust gases of internal combustion engine An internal combustion engine exhaust manifold has a lateral opening through which exhaust gases may heat intake mixtures for the engine. The exhaust manifold comprises a thick wall housingg enclosing a thin wall liner, the liner having inlet tubes receiv... | 04/11/1978 |
| 4073271 | Torch ignition type internal combustion engine A torch ignition type internal combustion engine has therein a main combustion chamber and an auxiliary combustion chamber which chambers are individually communicable with a common carburetor through a main intake valve and an auxiliary intake valve, res... | 02/14/1978 |
| 4069796 | Engine manifold with air gap insulator carburetor mounting The intake manifold of an internal combustion engine has incorporated therein a bottom mixture plenum in heat transfer relationship for heating thereof by exhaust gases discharged from the engine. The plenum receives the induction mixture for the engine t... | 01/24/1978 |
| 4064850 | Internal combustion engine with main and auxiliary combustion chambers An automotive internal combustion engine having main and auxiliary combustion chambers for each of the cylinders and combined with a carburetor is provided with an air-fuel mixture induction system which comprises an intake manifold providing communicatio... | 12/27/1977 |
| 4062334 | Fuel system of internal combustion engine A fuel system for an internal combustion engine comprises a pair of carburetors provided one each on the exhaust and intake side of the engine. The fuel-air mixture from the first carburetor is heated by exhaust gas before being introduced into an intake ... | 12/13/1977 |
| 4016846 | Intake and exhaust manifold system for internal combustion engine A multi-cylinder internal combustion engine of the type having an auxiliary combustion chamber associated with each main combustion chamber, and connected thereto by a torch opening, is provided with a manifold system in which the exhaust gases are used t... | 04/12/1977 |
| 3994270 | Manifold system for an internal combustion engine An intake and exhaust system for an internal combustion engine of the type having an auxiliary combustion chamber associated with each main combustion chamber, and wherein the overall air-fuel charge to all combustion chambers is leaner than the stoichiom... | 11/30/1976 |
| 3994271 | Intake and exhaust manifold system for internal combustion engine A manifold system for a multi-cylinder internal combustion piston engine has an intake manifold for supplying a lean mixture to the main combustion chambers of the engine and a rich mixture to the auxiliary combustion chambers thereof. In such an engine, ... | 11/30/1976 |
| 3931799 | Adiabatic integral intake and exhaust conduit for internal combustion engine An intake and exhaust pipe construction for an internal combustion engine of the type having a main combustion chamber supplied with a lean mixture and an auxiliary combustion chamber supplied with a rich mixture. A spark plug ignites the rich mixture in ... | 01/13/1976 |
