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| Number | Title | Issue Date |
| 7325530 | Engine intake manifold and airflow control valve assembly An engine intake manifold includes a casing having a plurality of air intake passages, and a plurality of valve plates, wherein each valve plate is disposed in one of the air intake passages to control airflow through the air intake passage. The valve plates are con... | 02/05/2008 |
| 6880526 | Intake system for internal combustion engine An intake system for an internal combustion engine in which the inflow characteristic of a mixture of gas is varied by a partition wall provided replaceably in an intake port opening, whereby the output characteristic of the internal combustion engine is regulated t... | 04/19/2005 |
| 6675756 | Air induction system for engine An air induction system for an engine is provided with a flow meter to sense a flow amount of air introduced into a combustion chamber of the engine. The air induction system includes an improved construction that can protect the flow meter from rigorous ... | 01/13/2004 |
| 5207190 | V-type fuel injection two cycle engine An induction system for a crankcase compression, two cycle, V-type internal combustion engine having a compact configuration. The engine cylinder banks are disposed at a V-angle and define a valley therebetween in which the induction system is positioned.... | 05/04/1993 |
| 5127371 | Intake manifold An intake manifold adapted for use with an engine having two intake ports for each cylinder incorporates an aluminum plenum chamber having an air inlet and air outlets twice the number of cylinders of the engine in number, and a plurality of branch pipes ... | 07/07/1992 |
| 5127370 | Induction system for V type engine An improved compact induction system for a V type engine including a pair of plenum chambers disposed in the valley of the V. The plenum chambers are shorter than the respective cylinder banks and serve high speed intake passages of the respective cylinde... | 07/07/1992 |
| 5101792 | Internal combustion engine fuel distributor housing The bottom part of an air collector of an internal-combustion engine is also constructed as a fuel distributor housing. All fuel-feeding and fuel-removing pipes, etc., together with injection valves and sections of the suction pipes which can be blocked b... | 04/07/1992 |
| 5063899 | Intake system for multi-cylinder internal combustion engine An intake system for a multi-cylinder internal combustion engine having an intake manifold that is made up of a common intake passage and separate intake passages that branch off from the common intake passage and connect to intake ports of the engine cyl... | 11/12/1991 |
| 4957070 | Engine air-fuel intake triple manifold An internal combustion engine has a carburetor and cylinders, each cylinder having two fuel/air intake ports, and also provided is a first manifold runner system having a fuel/air intake end communicating with one barrel of the carburetor, and a fuel/air ... | 09/18/1990 |
| 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 |
| 4870928 | Two-cylinder engine A two-cylinder engine comprises a first cylinder and a second cylinder adapted to perform explosions at such timing that an interval from explosion in the first cylinder to explosion in the second cylinder becomes shorter than an interval from the explosi... | 10/03/1989 |
| 4829943 | V-type multiple cylinder engine An intake apparatus for a V-type multiple cylinder engine in which cylinder rows are arranged as a pair and intake ports are disposed to face each other on an inside thereof. The intake apparatus comprises an intake manifold having a collecting section in... | 05/16/1989 |
| 4829942 | Intake system for a multi-cylinder internal-combustion engine The intake system is connected to a cylinder head of the internal-combustion engine that, for each cylinder, has two intake ducts. The intake ducts are located on a joint plane extending vertically with respect to the cylinder bore axis. A curve-shaped pi... | 05/16/1989 |
| 4827879 | Manifold attachment A V type engine embodying an improved compound manifolding system wherein the manifolding system mates with a horizontally extending surface of each cylinder head with the cylinder heads horizontally extending surfaces lying in the same plane for each of ... | 05/09/1989 |
| 4811697 | Induction system with E.G.R. An induction system for a multiple cylinder internal combustion engine that employs a pair of plenum chambers with a common air inlet. An exhaust gas recirculation system is provided for distributing exhaust gases equally to the chambers of the engine by ... | 03/14/1989 |
| 4809647 | Intake system for multi cylindered engine An improved induction system for a V type engine that is tuned for substantially all running conditions and which is nevertheless compact in construction. The system includes a pair of plenum chambers each disposed adjacent one of the cylinder heads of th... | 03/07/1989 |
| 4782797 | Induction system An induction system for a multiple cylinder internal combustion engine that employs a pair of plenum chambers with a common air inlet. An exhaust gas recirculation system is provided for distributing exhaust gases equally to the chambers of the engine by ... | 11/08/1988 |
| 4766853 | Intake passage for multi-cylinder engine An improved induction system for a V type engine that is tuned for substantially all running conditions and which is nevertheless compact in construction. The system includes a pair of plenum chambers each disposed adjacent one of the cylinder heads of th... | 08/30/1988 |
| 4702203 | Intake means of internal combustion engine An improved induction system for a V type engine that is tuned for substantially all running conditions and which is nevertheless compact in construction. The system includes a pair of air boxes each disposed adjacent one of the cylinder heads of the engi... | 10/27/1987 |
| 4628879 | Engine intake system An improved induction system for a V type engine that improves both charging and combustion efficiency. The engine includes an induction system for each cylinder barrel that includes a pair of intake valves and respective intake passages that have a commo... | 12/16/1986 |
| 4553507 | Engine with additional shared flow control runner for two cylinders Adjacent expansible chambers of an engine are provided with an intake runner set employing at least three runner passages conducting the working fluid from a common plenum to the expansible chambers, with at least one of the runners only serving one of th... | 11/19/1985 |
| 4469067 | Engine intake system An improved induction system for a V type engine that improves both charging and combustion efficiency. The engine includes an induction system for each cylinder barrel that includes a pair of intake valves and respective intake passages that have a commo... | 09/04/1984 |
| 4232639 | Engine with additional shared flow control runner for two cylinders Adjacent expansible chambers of an engine are provided with an intake runner set employing at least three runner passages conducting the working fluid from a common plenum to the expansible chambers, with at least one of the runners only serving one of th... | 11/11/1980 |
