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| Number | Title | Issue Date |
| 7458354 | Intake manifold tuning assembly The present invention relates to an intake manifold including first and second plenums in fluid communication with the throttle body and a plurality of runners depending from the plenums to direct air into the cylinders of an engine. Each of the runners includes a v... | 12/02/2008 |
| 7444974 | Internal combustion engine intake device An internal combustion engine intake device includes an intake collector and a first air induction pipe. The intake collector includes a first collector space and a second collector space. The first air induction pipe extends diagonally downward from an upstream sid... | 11/04/2008 |
| 7380534 | Intake device of V-type engine of motorcycle An intake device of a V-type engine provided with two cylinders inclining in a longitudinal direction of a motorcycle includes a center air cleaner arranged above a V-bank space formed between the two cylinders, a pair of right and left side air cleaners arranged on... | 06/03/2008 |
| 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 |
| 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 |
| 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 |
| 7237523 | Internal combustion engine with at least two cylinder banks An intake air crossover arrangement for an internal combustion engine having two cylinder banks in a V-shaped arrangement in which air compressed by at least one, and preferably two, turbochargers, is delivered via air ducts to respective intake manifolds for each c... | 07/03/2007 |
| 7222600 | 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 of the V-engine when attached to the V-engine and divided in internal space into a top part and a bottom part and a plurality of intake tubes communicating t... | 05/29/2007 |
| 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 |
| 7150256 | Intake device of multi-cylinder engine Air is aspirated by cylinders of cylinder rows (11, 12) via branch pipes (23,24) from two intake collectors (21,22) of a V type multi-cylinder internal combustion engine. An auxiliary chamber (31, 32) is formed using the space between adj... | 12/19/2006 |
| 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 |
| 7044117 | Positive crankcase ventilation system Blow-by gas supplied from a cylinder head cover is re-supplied to an engine through runners of an intake manifold via a channel portion in communication with a plenum of an intake system. ... | 05/16/2006 |
| 7017562 | Air intake system for a vehicle Because the PCV channel for guiding blow-by gas to a plenum is formed in an intake manifold, the blow-by gas can be equally supplied to respective combustion chambers. In addition, since a PCV nipple is mounted on the outermost intake runner that has a relatively hi... | 03/28/2006 |
| 7011065 | Air intake and a method for installing an air intake The invention relates to an air intake for an engine (19) of a motor vehicle. In particular, the present invention concerns a detachable connection between an air collector module (10) and an intake duct module (11) of the air intake. The invent... | 03/14/2006 |
| 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 |
| 6945237 | Intake manifold with EGR/air mixing An intake manifold mixes and supplies air and exhaust recirculation gas (EGR) to an internal combustion engine. The manifold is a casting and includes an air intake port, an intake chamber receiving intake air from the intake port, an outlet plenum communicated with... | 09/20/2005 |
| 6935321 | EGR/air mixing intake manifold with dual orientations An intake manifold mixes and supplies air and exhaust recirculation gas (EGR) to an internal combustion engine. The manifold is a casting and includes an air intake port formed on one side thereof, an intake chamber receiving intake air from the intake port, an outl... | 08/30/2005 |
| 6889672 | Air intake arrangement for an internal combustion engine An air intake apparatus for supplying air to an internal combustion engine, comprises a unitary hollow enclosure, a motor vehicle battery, an air filter and an air compressor which when activated compresses air supplied to the engine. The enclosure houses the batter... | 05/10/2005 |
| 6167855 | Integrated air-fuel module and assembly method An apparatus and method for incorporating a plurality of various fuel and emission components generally located on the top or outside of an internal combustion engine into a completed sub-assembly that can be delivered to an engine assembly line and insta... | 01/02/2001 |
| 6155223 | Distribution reservoir for an internal combustion engine An intake manifold and method for supplying EGR are provided for a multi-cylinder internal combustion engine. The manifold is attached to a cylinder head. The manifold includes a plurality of intake runners for conducting air to a plurality of intake port... | 12/05/2000 |
| 5941205 | Intake system for a four-cycle engine powering an outboard motor An intake system for an engine arranged to be positioned within a cowling of an outboard motor for powering a water propulsion device of the motor is disclosed. Preferably, the engine is of the "V"-type, having first and second banks defined by first and ... | 08/24/1999 |
| 5911205 | Intake system for V-Type engine An inlet manifold system particularly adapted for a V-8 to a V-16 type internal combustion engine includes a plenum adapted to coact between supply runners and demand runners by adjusting its configuration to achieve maximum engine performance at both the... | 06/15/1999 |
| 5765519 | Induction system for V-type four-cycle outboard motor A four-cycle, V-type, twin overhead cam outboard motor. The outboard motor is provided with an induction system that is disposed in substantial part in a valley formed between the cylinder banks and which includes an air inlet device that extends along th... | 06/16/1998 |
| 5711261 | Intake system for V-type engine An inlet manifold system particularly adapted for a "V-8" to "V-16" Type internal combustion engine. Such an engine has a first and a second bank of cylinders. First and second elongated secondary manifolds disposed substantially parallel to and above the... | 01/27/1998 |
| 5638785 | Variable air intake manifold An intake manifold assembly (12) for an internal combustion engine (16) which can vary the intake geometry of the air flowing therethrough. The intake manifold assembly (12) includes a pair of secondary runners (28), one for each bank of cylinders, with e... | 06/17/1997 |
| 5551386 | Intake system for V-type engine An inlet manifold system particularly adapted for a "V-8" to "V-16" Type internal combustion engine. Such an engine has a first and a second bank of cylinders, each bank having a plurality of combustion cylinders, the banks being parallel to each other. T... | 09/03/1996 |
| 5515822 | Intake system An induction system for a V-type engine that permits a compact engine configuration and the tuning of two different intake passages for each cylinder for different engine speed ranges. The shorter high-speed intake passages are served by the plenum chambe... | 05/14/1996 |
| 5488939 | Crankcase ventilation system for outboard motor A ventilation system is provided for an engine crankcase of a marine outboard motor to distribute blow-by gas generally equally to each cylinder while minimizing the size of an intake silencer of the system. The intake silencer includes a first expansion ... | 02/06/1996 |
| 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 |
| 5056472 | 4-cycle 12-cylinder engine A four cycle, 12-cylinder engine includes four cylinder groups each having three cylinders located adjacent to each other. The cylinders in each cylinder group have intake strokes which are apart one from another by 240° in terms of angle of rotation of ... | 10/15/1991 |
| 5016579 | Intake system for V type engine An improved induction system for a V type engine having angularly disposed cylinder banks that is comprised of a pair of plenum chambers that are disposed in side by side relationship between the cylinder banks. Intake passages extend at right angles from... | 05/21/1991 |
| 5005536 | Engine induction system Two embodiments of compact high performance induction systems for V type engines that include pairs of plenum chambers that extend over the respective cylinder banks. First pairs of runners extend from an inlet opening in each plenum chamber to an outlet ... | 04/09/1991 |
| 4981115 | Intake system for V-type engine Each cylinder bank of a V-type engine is provided with a plurality of cylinders which are not in sequence in firing order. A collecting intake passage is connected to each of the cylinders of both banks by way of independent intake passages which pass bet... | 01/01/1991 |
| 4970994 | Intake manifold for V-type internal combustion engine An intake manifold for a V-type multi-cylinder internal combustion engine provided with two banks each including a cylinder head. The intake mainfold comprises lower and upper intake air collectors which lie one upon another and located above one of the t... | 11/20/1990 |
| 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 |
| 4938177 | Intake system of multicylinder internal combustion engine The intack system of multicylinder internal combustion engine with two rows of cylinders, constructed in accordance with the invention, includes a throttle valve unit provided on the side of either row of the engine cylinders and two intake air passages o... | 07/03/1990 |
| 4932368 | Suction arrangement for internal combustion engine In a V-type internal combustion engine having a pair of upwardly diverging cylinder banks and an auxiliary unit disposed at an upper portion in a space defined between the cylinder banks, a suction arrangement includes intake ports provided at an inner si... | 06/12/1990 |
| 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 |
