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| Number | Title | Issue Date |
| 8006664 | Device for supplying air to a multiple-cylinder engine head A device including two air distribution chambers configured to be fixed on a cylinder head and an air distributor and/or an air transfer pipe, the air transfer pipe and the air distribution chambers including, in the immediate surroundings of their nozzles, for bein... | 08/30/2011 |
| 7395795 | Outboard motor An outboard motor is mounted on a hull and has an engine disposed in an upright position in a cowling so that a crankshaft thereof extends generally vertically during cruising. An embodiment of the motor includes a first surge tank disposed on the opposite side of a... | 07/08/2008 |
| 7322332 | Intake system of multi-cylinder engine An intake system of a V-engine provided with a surge tank arranged at a position higher than a cylinder head and divided in internal space into a top part and a bottom part. The surge tank has a plurality of intake tubes communicating the surge tank and intake ports... | 01/29/2008 |
| 7275511 | Intake manifold assembly An intake assembly is provided for a sequentially fired eight cylinder V-type internal combustion engine including a cylinder block having a first band of cylinders and a second bank of cylinders. The assembly includes first, second, third, and fourth intake plenums... | 10/02/2007 |
| 7252064 | Switchable air intake system for multi-cylinder internal combustion engine A switchable air intake system for a multicylinder internal combustion engine has at least one short and one long intake manifold whose cross sections are controllable by at least one regulating unit as a function of operating parameters (in particular the rotationa... | 08/07/2007 |
| 7213558 | Intake device for outboard motor An engine air intake device for an outboard motor includes a plurality of main intake pipes corresponding to each cylinder. First and second branch pipes extend from an upstream end of each main part. The first branch pipes are longer than the second branch pipes. T... | 05/08/2007 |
| 7178504 | Intake module for an internal combustion engine In an intake module for an internal combustion engine having an intake module which includes a housing with a first volume in which air drawn in via an inlet orifice accumulates, a second volume in which the air is distributed to various cylinders of the engine and ... | 02/20/2007 |
| 7171933 | Intake system for a combustion engine with at least two rows of cylinder heads An intake system for a combustion engine has at least two rows of cylinder heads, each of which features an intake manifold with individual pipes leading to the cylinders. The intake manifolds are connected to one another through transverse ducts equipped with switc... | 02/06/2007 |
| 7131416 | Engine air intake device An engine air intake device comprises a collector divided by a partition wall into first and second volume chambers, first and second upstream intake pipe portions, a plurality of first and second downstream branch pipes, and a first communication valve. The first a... | 11/07/2006 |
| 7104237 | Intake system of multi-cylinder engine An intake system of a V-engine provided with a surge tank arranged at a position higher than a cylinder head and divided in internal space into a top part and a bottom part. The surge tank has a plurality of intake tubes communicating the surge tank and intake ports... | 09/12/2006 |
| 7079388 | Baffles for high capacity air-cooling systems for electronics apparatus An improved air-cooling system for high performance, high density electronic equipment comprises, in one embodiment, a single fan having a radial impeller, a baffle having an inlet portion to efficiently direct air into the fan intake, and a two-tiered outlet plenum... | 07/18/2006 |
| 7011064 | Intake manifold An intake manifold is provided that comprises a plurality of intake ducts, a surge tank, a vacuum chamber, and a negative pressure check valve. The negative pressure check valve enables negative pressure induced in the surge tank to flow into the vacuum chamber. Eac... | 03/14/2006 |
| 7003964 | Heat pump system A heat pump system (10) including a heat generator (15), a heat engine (26) supplied with heat engine working fluid (18) by the heat generator (15) having a heat engine cylinder chamber (34), a heat engine piston (32)... | 02/28/2006 |
| 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 |
| 6955149 | Variable intake manifold with trimode resonance tuning control valve A simplified variable intake manifold is disclosed for use with an internal combustion engine. The manifold utilizes a single valve actuator to vary the resonant frequency of a pair of plenums. The two plenums are joined by first and second communication passages of... | 10/18/2005 |
| 6802292 | Engine intake manifold An intake manifold for a V-type engine includes an air inlet for admitting air into the manifold, a first plenum in fluid communication with the air inlet, and second and third plenums that are each in fluid communication with the first plenum. The intake manifold a... | 10/12/2004 |
| 6796280 | Intake air control valve An intake air control valve of the invention has a valve body and a valve holder, and is attached to a communication hole on a partition wall separating a surge tank chamber within a surge tank of a multiple cylinder internal combustion engine by fitting and inserti... | 09/28/2004 |
| 6725822 | Intake system for multi-cylinder engine In an intake system of a variable air-intake characteristic type for a multi-cylinder engine, an intake air-dispensing box is comprised of a dispensing box body which includes an intake air inlet, first and second intake branch pipes and one of halves of a partition... | 04/27/2004 |
| 6722335 | Vehicle intake manifolds Air intake manifolds (32) for vehicle engines (50) may include a plate-shaped short runner valve (16) that is rotatably disposed within an aperture (19) of a wall partition (42). The valve (16) may be operated to open and cl... | 04/20/2004 |
| 6708662 | Intake system of outboard motor An intake system of an outboard motor including a vertically arranged V-type engine comprises, an intake manifold connected to the intake ports, a surge tank connected to the intake manifold and disposed at a rear side from a central portion of the engine, a throttl... | 03/23/2004 |
| 6588388 | Air induction system for engine An engine includes an engine body and an air induction system. The engine body has a cylinder block that defines cylinder bores. Pistons are reciprocally disposed within the respective cylinder bores. A cylinder head member closes the respective cylinder ... | 07/08/2003 |
| 6557511 | Suction system A suction system has an arrangement for utilizing resonance effects and is suitable for an internal-combustion engine having opposed cylinder banks. The suction system has a resonance container which has boundary walls. On the one hand, the resonance cont... | 05/06/2003 |
| 6516768 | Four-cycle engine A four-cycle engine includes an improved construction that is provided with an air induction system, which is suitable for low speed engine operations and which can provide an easy assembling and/or maintenance work. The engine has multiple cylinders arra... | 02/11/2003 |
| 6408809 | Intake control device for multi-cylinder V-type engine An improved compact and highly efficient variable tuned intake system for a V-type, multi-cylinder engine. The induction system provides variable tuning length with both the high speed and low speed inlets being directed away from the valley between the c... | 06/25/2002 |
| 5890464 | Variable-capacity intake system for a vehicle internal combustion engine A variable-capacity intake system for a vehicle internal combustion engine, and of the type presenting at least one intake conduit for each cylinder of the engine; a capacity in which said intake conduit terminates and which is connected to air supply mea... | 04/06/1999 |
| 5839404 | Intake system in engine An intake manifold positioned between two banks of a V-shaped engine has a structure in which a body section and a connecting section coupled to each other with a plate-like mounting stay interposed therebetween. A support leg integrally formed on the mou... | 11/24/1998 |
| 5715781 | Variable-capacity intake system for a vehicle internal combustion engine A variable-capacity intake system for a vehicle internal combustion engine, and of the type presenting: a first and second reservoir connected to common air supply means; at least a first intake conduit connecting the first reservoir to a respective cylin... | 02/10/1998 |
| 5632239 | Method of distributing air in an engine intake manifold A three plenum air distribution manifold for intake air to an internal combustion engine with long runners leading from first and second spaced side plenums for delivery of air and recirculating exhaust gases into corresponding combustion chambers of the ... | 05/27/1997 |
| 5595150 | Air intake system with a throttle valve for a multi-cylinder internal-combustion engine An air intake system comprises a connection pipe which is arranged between opposing resonance containers. Inside the connection pipe, a swivellable throttle valve is provided which is inserted into the connection pipe by way of an opening in the connectio... | 01/21/1997 |
| 5590628 | Multi-mode intake manifold assembly for internal combustion engines A three plenum air distribution manifold for intake air to internal combustion engine with long, narrow runners leading from first and second spaced side plenums for delivery of air and recirculating exhaust gases into corresponding combustion chambers of... | 01/07/1997 |
| 5544629 | Intake system in v-shaped engine An intake system for use in a V-shaped engine includes an intake manifold which is disposed in a valley defined between a pair of cylinders, disposed in a substantially V-shaped arrangement, and which includes a pair of intake pipe assemblies having a plu... | 08/13/1996 |
| 5406913 | Air intake system of an internal-combustion engine The air intake system of a two-bank internal-combustion engine has one resonance receptacle for each cylinder bank and an additional receptacle in the respective center. Via suction pipes, the resonance receptacles are connected to the cylinders and are m... | 04/18/1995 |
| 5351658 | Intake system for engine An intake pipe is connected to an upstream side of a throttle valve of an engine having first and second cylinder banks of a cylinder block formed in a V-like configuration. An intake path is branched, at its intermediate part on a downstream side of the ... | 10/04/1994 |
| 5125369 | Intake system for multi-cylinder engine Plural cylinders are grouped, for example, into two cylinder groups composed of plural cylinders having each inspiration stroke in an equal distance, and each of the grouped cylinder groups is communicated with a volume chamber. To this volume chamber is ... | 06/30/1992 |
| 5123382 | Intake system for a combustion engine An intake system for an engine allows supercharging using the dynamic effect of intake air has a surge tank for a cylinder group in which cylinders are ignited in a sequence discontinuous with each other, a second surge tank for another cylinder group in ... | 06/23/1992 |
| 5123383 | Intake system for internal combustion engine An intake system delivers air into cylinders of an internal combustion engine which are divided into two groups. The cylinders in each group are arranged in one and the same row so that adjoining cylinders in each row do not fire one after another. The in... | 06/23/1992 |
| 5109811 | Intake system for multi-cylinder engine Each surge tank disposed over the respective cylinder head of the combustion engine is connected to the intake port of each cylinder of the combustion engine individually and independently through the independent intake passages. The independent intake pa... | 05/05/1992 |
| 5081962 | Fuel intake system for V-type combustion engine A fuel intake system for a combustion engine of a type having V-shaped first and second cylinder banks and also having a crank axis of the crankshaft, which comprises a throttle casing disposed in a center space delimited between the first and second cyli... | 01/21/1992 |
| 5048471 | Intake system for automotive engine An improved compact high performance induction system for a V-type engine. The induction system includes a pair of plenum chambers each disposed above a respective one of the cylinder heads and each plenum chamber is provided with runners that serve commo... | 09/17/1991 |
| 5027769 | Throttle valve control apparatus Throttle valves are individually disposed in a plurality of intake passages of an engine. In normal operation condition of the throttle valves, a first control device controls the throttle valves according to the detection result of an operation condition... | 07/02/1991 |
