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| Number | Title | Issue Date |
| 8156912 | Vehicle including a variable intake pipe length device Disclosed herein is a vehicle including a variable intake pipe length device capable of adjusting the length of an intake pipe according to the condition of an engine, the intake pipe being provided in an intake passage for inducing air from an air cleaner box to an... | 04/17/2012 |
| 8015958 | Active intake manifold flap cartridge and method An active intake manifold system includes at least one flap cartridge assembly having a unitary cartridge housing including one or more flap valve housings. A flap valve is rotatable in the aperture of the flap valve housing between an open state and a closed state.... | 09/13/2011 |
| 7966985 | Valve operating system and engine intake control system A valve operating system that includes a drive shaft, a drive lever that is fixedly provided thereon and can pivot in a direction of movement of a valve body, a follower arm that is fixedly provided on the valve body, a link, a first connecting shaft that connects o... | 06/28/2011 |
| 7819104 | Intake apparatus for internal combustion engine An intake apparatus for an internal combustion engine comprises an intake manifold (1); a rotary valve (10) including a plurality of valve portions (11) in communication with air feeding passages (3) through feed switch openings (7... | 10/26/2010 |
| 7789059 | Intake control device and straddle-type vehicle with intake control device An intake control device for an air intake system includes one or more stationary intake pipes that communicate with one or more intake ports of an engine. One or more movable intake pipes are movable relative to the stationary intake pipes and, in one position, coo... | 09/07/2010 |
| 7735463 | Engine air intake arrangement for a vehicle A vehicle having moving funnels separated from stationary funnels that suppresses any decrease in intake efficiency. The moving funnels are arranged on an intake side of the stationary funnels to lead air to an engine. A funnel holding section holds the moving funne... | 06/15/2010 |
| 7730865 | Engine air intake arrangement for a vehicle A vehicle, such as a motorcycle, having an arrangement that inhibits the reduction of the fuel tank volume disposed to the rear of a moveable funnel that forms a portion of a variable length air intake. The vehicle includes an engine having an intake port. A fixed f... | 06/08/2010 |
| 7650867 | Intake and exhaust tuning system An intake and exhaust tuning system is disclosed. The exhaust system includes a collector slidably mounted within the exhaust fluid path and adjustable by an actuator to change the fluid path length between the collector and the exhaust ports of an engine. The intak... | 01/26/2010 |
| 7640909 | Vehicle with variable air intake arrangement A vehicle, such as a motorcycle, includes an engine having at least one intake port. An air intake assembly introduces air into the intake port. In one arrangement, the air intake assembly includes a stationary funnel and a movable funnel positioned on the inlet sid... | 01/05/2010 |
| 7631628 | Engine intake control system An engine intake control system that includes a first intake passage that has an upstream end portion and a downstream end portion opening in a surge chamber, a second intake passage that has an upstream end portion opening in the surge chamber so as to oppose the d... | 12/15/2009 |
| 7581523 | Auxiliary arrangement structure in internal combustion engine In an internal combustion engine, an actuator for driving a control shaft of a variable valve-operating mechanism is disposed in a space surrounded by a cylinder head having a plurality of intake ports, an intake manifold having a plurality of branch pipes connected... | 09/01/2009 |
| 7533645 | Variable length intake control devices and methods for a straddle type vehicle An intake control device changes an intake conduit length from a first length to a second length according to whether or not an engine speed has reached a predetermined threshold value. The threshold value is predetermined on the basis of both an engine output torqu... | 05/19/2009 |
| 7523732 | Intake control device for a vehicle An intake control system includes a control device that changes a length of an intake conduit between the length of connection and the length of disconnection that is shorter than the length of connection. The control device also includes a processor that determines... | 04/28/2009 |
| 7523731 | Intake system for internal combustion engine An intake manifold of an engine has a common pipe disposed downstream of a throttle valve, a plurality of first through fourth branch pipes connected to the common pipe, and a bypass pipe connected between the common pipe and the first through fourth branch pipes. T... | 04/28/2009 |
| 7464682 | Variable intake system for vehicle A variable intake system includes an intake manifold having at least one runner, an opening/closing unit for adjusting a length of the runner, an actuator for activating the opening/closing unit, and a vacuum unit defining a vacuum chamber for driving the actuator. ... | 12/16/2008 |
| 7444975 | Control of engine intake system A method of controlling an intake air passage of an internal combustion engine is provided. The intake air passage cyclically communicates to a combustion chamber of the internal combustion engine, thereby inducting fresh air into said combustion chamber. The cyclic... | 11/04/2008 |
| 7441528 | Outboard motor An outboard motor mounted to a hull of a watercraft includes a V-type engine having right and left cylinder banks positioned in a cowling and having a crankshaft generally vertically disposed when the watercraft is under a running condition. A surge tank is disposed... | 10/28/2008 |
| 7434559 | Retainer for supporting valve shaft in variable intake system A retainer device is provided suitable for supporting a valve shaft in a variable intake system. Preferred retainer devices can stably support a valve shaft of a variable intake system and may suitably include a shaft support part that can engage a valve shaft of th... | 10/14/2008 |
| 7418937 | Engine air intake arrangement for a vehicle A vehicle, such as a motorcycle, includes one or more stationary funnels through which air is delivered to an intake port of an engine. One or more movable funnels are arranged on an inlet side of the one or more stationary funnels and cooperating with the stationar... | 09/02/2008 |
| 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 |
| 7389758 | Engine air intake arrangement for a vehicle A vehicle, such as a motorcycle, that includes an engine air intake arrangement with a variable length intake passage. The motorcycle includes an engine having an intake port. A fixed funnel delivers air to the intake port of the engine. A moveable funnel is positio... | 06/24/2008 |
| 7370622 | Active induction system tuning with multiple valves An induction system is designed for an engine that includes a manifold having a plenum in fluid communication with primary runners. A plenum valve is arranged between first and second chambers of the plenum that are respectively in fluid communication with first and... | 05/13/2008 |
| 7337758 | Charge motion control valve actuator A charge motion control valve actuator method and apparatus that utilizes a motor, output shaft, control circuit, and sensor to provide closed loop control of the position of the output shaft via the motor. The control circuit has an input for receiving actuator com... | 03/04/2008 |
| 7334663 | Variable resonator A communicating pipe is disposed on an outer periphery of an air intake pipe, and a conduit is formed so as to be parallel to an air intake passage. A plurality of first communicating apertures are disposed through the air intake pipe so as to be arranged in a singl... | 02/26/2008 |
| 7314032 | Butterfly valve apparatus and manufacturing method of the same A butterfly valve apparatus includes a valve body, valve discs, valve shafts, and a connecting member. The valve body has valve passages. Valve discs are respectively arranged in the valve passages. Valve shafts are supported by the valve body such that the valve sh... | 01/01/2008 |
| 7293546 | Charge motion control device using a single common drive shaft An apparatus and method for controlling a plurality of charge motion control devices in the air intake manifold. In a first aspect of the invention, the valves are controlled through a single common drive shaft. In a second aspect, the runners each include an air fl... | 11/13/2007 |
| 7287504 | Over-center actuator The disclosure allows a short runner valve or manifold tuning valve type manifold tuning device to retain sufficient force on the valve assembly in its closed state to eliminate any vibration or chatter from the system under normal engine operation. The disclosure a... | 10/30/2007 |
| 7287503 | Engine air intake apparatus An air cleaner chamber is configured such that a filtering member is held between an air cleaner cover and an air cleaner case. A low-speed operation air intake passage and a high-speed operation air intake passage share an outlet passage portion near a dusty space,... | 10/30/2007 |
| 7275512 | Air intake device The invention relates to a suction device for an internal combustion engine provided with a first manifold (1) having a slot (3). A first suction line (5) is extended from an input orifice (7) which enters the first manifold (1) to... | 10/02/2007 |
| 7270103 | Intake apparatus of internal combustion engine A variable intake passage is made of a tubular space that is formed with a fixed member and a movable member arranged to face the fixed member and having a relative position with the fixed member changed. The movable member is moved to increase or decrease a distanc... | 09/18/2007 |
| 7255197 | Muffler A muffler which reduces noises of a wide frequency band with a simple structure. Sound waves of an intake duct enter into and are received in a resonance box via a branch pipe. At the branch pipe, a movable body slidingly abuts a peripheral portion of an opening of ... | 08/14/2007 |
| 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 |
| 7246592 | Intake manifold for internal combustion engine An intake manifold is provided to an internal combustion engine including a first and second cylinder heads each having an intake port. The first and second cylinder heads are distant from each other, and defining a crank angle therebetween. The intake manifold incl... | 07/24/2007 |
| 7246593 | Intake module assembly An intake module assembly for a vehicle engine is formed from a two-piece shell structure. First and second shells are aligned and joined together to form the entire air path from an air filter to an engine cylinder head. A throttle hose portion is formed as part of... | 07/24/2007 |
| 7225779 | Intake system including a resonance chamber In an intake system for an engine incorporated with a resonance chamber (32), a variable communication unit (50) for controlling the communication between an intake passage with the resonance chamber comprises an outer tube (51) having an open a... | 06/05/2007 |
| 7219640 | Variable air induction apparatus In a variable air induction apparatus, a valve element is switched between one side to open a first air intake passage and close a second air intake passage, and the other side to open the second air intake passage and to close the first air intake passage. The firs... | 05/22/2007 |
| 7213559 | Intake air device for internal combustion engine An intake air device includes a first intake passage the length of which is fixed; a second intake passage the length of which can be changed, and a downstream-end of which is joined to a downstream-portion of the first intake passage; a first valve the opening degr... | 05/08/2007 |
| 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 |
| 7215021 | Electronic device The conductor wire surface for constituting a circuit formed by print or junction on a substrate formed from a composite member of ceramics, resin, and an inorganic member and from a resin member is coated with glass, resin, solder, or silver paste, thus the corrosi... | 05/08/2007 |
| 7210461 | Internal combustion engine for a motor vehicle An internal combustion engine for a motor vehicle with a cylinder head, an intake manifold, and a fuel distributor rail. The downstream end of the intake manifold is connected by a flange to intake channels in the cylinder head of the internal combustion engine. The... | 05/01/2007 |
