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| Number | Title | Issue Date |
| 7299787 | Internal combustion engine intake device An internal combustion engine intake device is configured to improve the uniformity with which purge gas or other introduced gas is distributed to the cylinders of an engine. The intake device basically has a throttle chamber, an intake air collector, an air inducti... | 11/27/2007 |
| 7290519 | Air intake apparatus An air intake apparatus configured to combine air filtered separately through a plurality of air cleaners and lead it to a single throttle body suppresses or prevents variation in the pressure of airflow introduced from a plurality of intake paths to the single thro... | 11/06/2007 |
| 7216640 | Engine control to compensate for fueling dynamics A method for calculating transient fuel wall wetting characteristics of an operating engine is described. The method accounts for cylinder valve deactivation of cylinders in the engine in calculating the dynamic fueling compensation. In one example, fuel vaporizatio... | 05/15/2007 |
| 7207324 | Air-intake duct system for a combustion engine The invention relates to an air-intake duct system (1) in which a throttle valve (40), an exhaust gas recirculating valve (29), a bypass valve (19), an exhaust gas cooler (11), against which exhaust gas flows via bypass valve (1... | 04/24/2007 |
| 7004137 | V-type multiple-cylinder air intake device A V-type multiple cylinder air intake is being configured to improve the volumetric efficiency by utilizing the resonance effect while also eliminating the adverse influence of the resonance effect (residual resonance) when the engine is operating in regions of medi... | 02/28/2006 |
| 6997157 | Dual port intake device for an internal combustion engine formed by injection molding The intake manifold assembly comprises three blocks each molded from a plastic material by injection molding, the three blocks consisting of a first block defining a half of the surge tank, a second block defining a half of the individual intake pipes and a third bl... | 02/14/2006 |
| 6981475 | Process for controlling the valves of an internal combustion engine The present invention pertains to a process and a system for controlling the intake valves of an internal combustion engine comprising at least two valves per cylinder. During the closing of the intake valves of a cylinder, provisions are made for closing a first va... | 01/03/2006 |
| 6073600 | Stratified charged engine A stratified charge internal combustion engine comprises at least one cylinder having at least one intake valve 14 per cylinder, and two manifolds 24, 34 having branches 22, 32 supplying first and second gas streams to at least one intake valve of each cy... | 06/13/2000 |
| 5832894 | Variable air intake device A variable air intake device for an internal combustion engine includes a first manifold, air intake pipes for connecting the first manifold to individual cylinders of the internal combustion engine to supply intake air, and a second manifold connected to... | 11/10/1998 |
| 5653202 | Intake manifold system An intake manifold system 10 is described for a multi-cylinder four stroke spark-ignition internal combustion engine 12. Each cylinder has at least one intake port 20, each intake port 20 being connected at one end to the combustion chamber by at least on... | 08/05/1997 |
| 5388554 | Intake means for a reciprocating internal combustion engine This invention relates to an intake means for a reciprocating internal combustion having a plurality of cylinders having cylinder heads in each of which there are provided at least two charging ducts (14, 15), provided with inlet valves, for intake air fo... | 02/14/1995 |
| 5054439 | Intake system for automotive engine An intake system is incorporated in a multi-cylinder internal combustion engine having a plurality of cylinders each being provided with at least three intake ports, at least one of the three intake port being timed to close after the remaining intake por... | 10/08/1991 |
| 5007386 | Intake system for automotive engine Several embodiments of engine and induction systems wherein the engine is positioned transversely in the engine compartment and the intake ports of the engine face rearwardly and are served by individual runners that extend across the top of the engine in... | 04/16/1991 |
| 5005534 | Intake system for automotive engine An induction system for an internal combustion engine that is disposed transversely in an engine compartment. The induction system comprises a plurality of manifold runners that emanate from one side of the cylinder head, extend over the top of the cylind... | 04/09/1991 |
| 5000130 | Intake system for multi cylinder engine A number of embodiments of induction systems for internal combustion engines having plural combustion chambers with each being served by an intake passage having a respective throttle valve. First and second plenum chambers communicate with the intake pas... | 03/19/1991 |
| 4945865 | Engine induction system An engine induction system for providing air to the cylinders of an engine. The induction system includes a primary plenum and a primary runner leading therefrom to each cylinder. A primary inlet valve is generally adjacent the inlet to the primary plenum... | 08/07/1990 |
| 4898144 | Intake system for internal combustion engine An induction system for an internal combustion engine wherein each cylinder is served by a pair of intake pasasges having significantly different lengths for tuning them for different engine running requirements. A throttle valve arrangement controls the ... | 02/06/1990 |
| 4794885 | Intake apparatus for internal combustion engine An intake apparatus for an in-line type internal combustion engine having an elongated surge tank extending the full extension of the in-line cylinders of the engine. Intake passages connect the surge tank with the in-line engine cylinders. A throttle bod... | 01/03/1989 |
| 4760819 | Short pipe manifold for four-stroke engines A series of four-stroke engine manifolds for providing improved power and torque over a wide range of engine speeds are described. A two-mode two degree-of-freedom resonator model for manifolds is described that predicts two individual torque peaks. The m... | 08/02/1988 |
| 4625686 | Compact fresh-gas intake system for engines with combination supercharging A fresh-gas intake system for engines with combination supercharging, i.e. exhaust gas turbocharging combined with resonance supercharging. The object is to improve such a system so as to make it very compact. On the one hand, the otherwise usual plenum t... | 12/02/1986 |
| 4466389 | Intake-manifold An intake manifold for an internal combustion engine, is shown as having a body, a riser carried by the body, a medially disposed wall in the riser, first and second plenum chambers formed in the riser at opposite sides of the medially disposed wall, a pl... | 08/21/1984 |
