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Class 123/184.56 - Adjustable cross section passage


Subclass of Class 123 - Internal-combustion engines
Definition: Intake manifold including a means for reversibly blocking
No. of patents: 95
Last issue date: 02/28/2012


1      
NumberTitleIssue Date
8122865Intake manifold for vehicle
The present invention relates to an intake manifold for a vehicle and comprises tanks for stabilizing intaken air introduced from a throttle body; a plurality of zip tubes diverged from the tanks; a plurality of runners connected to the zip tubes and communicated wi...
02/28/2012
8015959Valve shaft support structure for variable intake manifold
A valve shaft support structure is closed to improve its durability, lower its manufacturing cost and improve its quality, in which a valve shaft interposed between runners is formed as an eccentric shaft integrally formed with a valve. A valve and a valve shaft are...
09/13/2011
7997247Engine intake control system
A valve plate is formed as a butterfly-type valve plate including a first and a second valve-plate half portions that extend in opposite directions to each other from a valve shaft. When the valve plate is at a first changeover position, the first valve-plate half p...
08/16/2011
7963265Tunable air intake system
An air intake system for a two-stroke or four-stroke internal combustion engine that is tunable through the use of interchangeable velocity stacks. ...
06/21/2011
7886708Intake air control apparatus and method
An intake air control apparatus comprises an intake air path connected to a combustion chamber, and an intake airflow control device having a first opening deviated in one direction when viewed from an axial direction of the intake air path by partially closing a cr...
02/15/2011
7717078Intake manifold regulators for internal combustion engines
The present invention provides an internal combustion engine including an engine housing, a crankshaft rotatably supported in the engine housing, a cylinder, a piston movable within the cylinder, a combustion chamber in fluid communication with the cylinder, a fuel ...
05/18/2010
7669572Intake manifold regulators for internal combustion engines
An intake manifold assembly includes an intake manifold having an inlet configured to receive an air/fuel mixture from a carburetor, an outlet configured to discharge the air/fuel mixture into a combustion chamber, an interior wall at least partially defining an int...
03/02/2010
7395811Choke device for an internal combustion engine intake system
A choke device for an intake system of an internal combustion engine; the choke device has at least one choke body fitted movably inside an intake conduit, and an actuating device for moving the choke body to and from a work position in which the choke body reduces ...
07/08/2008
7360518Expandable manifold
An expandable manifold comprises an expansion chamber defined by a resilient surface. Intake is provided by a conduit extending into the chamber. As reverse impulses resulting from the closing of an intake valve enter the expansion chamber from the output end of the...
04/22/2008
7353812Vehicle engine with integral vacuum generator
An integral vacuum generator system for an internal combustion engine includes a throttle body and intake manifold defining a bypass passage which is connected with a vacuum manifold by both a venturi and a direct vacuum supply passage. Vacuum flow through the ventu...
04/08/2008
7353791Sound increase apparatus
A sound increase apparatus includes a first hollow body member that communicates with an intake flow path of an internal combustion engine, a second hollow body member that communicates with the first hollow body member, and a vibration member capable of vibrating i...
04/08/2008
7337877Variable geometry resonator for acoustic control
The present invention provides a resonator for attenuating acoustic vibration from an air intake passage. The resonator includes a neck, a resonator chamber, a piston-type member, and an actuator. The neck is attached between the air passage and the resonator chambe...
03/04/2008
7311091Temperature-controlled PCV valve
A positive crankcase ventilation valve includes a flow restrictor movable in an orifice to vary flow of fumes from a crankcase to an intake manifold in a vehicle. ...
12/25/2007
7287504Over-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
7281511Air intake for motor vehicles
This invention describes an improved intake tube for internal combustion vehicles by locally increasing and then decreasing the airflow over the Mass Airflow Sensor (MAS) preventing a lean condition, which over time is catastrophic to the life of the engine. The int...
10/16/2007
7281512Passively variable plenum volume for a vehicle intake manifold assembly
An intake manifold assembly (10) includes a plenum (14) and a variable volume assembly (20). The variable volume assembly (20) includes a deformable member (22) and a biasing member (24). The biasing member (24) posit...
10/16/2007
7278389Automobile intake air flow plenum and plenum diverter
An airflow diverter and replacement air intake plenum is disclosed that provides an increase in the air speed and airflow within the intake plenum of an automobile. The increase is the result of providing appropriately sized and shaped apparatus to smooth out the ai...
10/09/2007
7270103Intake 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
7255197Muffler
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
7225779Intake 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
7210444Variable air intake pipe length
An air intake system for an internal combustion engine has at least one air box and a short duct for each cylinder. Each duct can be extended to provide higher torque at low speed. At high speed, the shorter duct length can be selectively provided for enhanced engin...
05/01/2007
7207322Supercharger installation with load control for internal combustion engines
An impulse turbocharger for an internal combustion engine. The impulse turbocharger is adapted to be used for controlling the air flow of an air supply conduit on the intake side of an internal combustion engine. The impulse turbocharger has a rotary valve which is ...
04/24/2007
7188604Internal combustion engine air intake structure
An air intake structure is provided with an air intake control valve disposed in the air intake passage. The air intake control valve has a valve element pivotally mounted at one end adjacent to a passage wall of the air intake passage. The air intake control valve ...
03/13/2007
7188008System for controlling the operation of at least one aircraft engine
A system for supervising the speed of at least one engine of an aircraft includes three independent information sources determining first, second and third values for an aerodynamic parameter of the aircraft and precision information indicating the precision of thes...
03/06/2007
7143733Intake manifold having variable cross-sectional area
A tunable intake manifold extends between a plenum and an intake of an internal combustion engine. A manifold housing defines an interior and a runner wall extending through the interior. A slider extends through the interior and slidably engages the manifold housin...
12/05/2006
7121246Intake passage of an internal combustion engine
Branch pipes (3) of an intake manifold (1) comprise main bodies (3c), a common flange (11b) and pipe shape joining portions (11c) respectively connecting the main bodies (3c) to the flange (11
10/17/2006
7107958Intake manifold with variable runner area
A tunable intake manifold extends between a plenum and an intake of an internal combustion engine. A manifold housing defines an interior and a runner wall extending through the interior. A slider extends through the interior and slidably engages the manifold housin...
09/19/2006
7089909Choke valve provided with an integrated electromagnetic actuator for an intake manifold with a retracting tumble system
A choke valve for an intake manifold with a retracting tumble system for an engine provided with a number of cylinders, the choke valve being adapted to vary the passage section of the air through an intake duct which connects each cylinder with the intake manifold ...
08/15/2006
7073473Intake manifold variable runner area
A tunable intake manifold is provided for directing a flow of air between a plenum and an internal combustion engine. The tunable intake manifold includes a manifold housing defining an interior. The manifold housing has a plurality of runner walls extending through...
07/11/2006
7055484Multiple frequency Helmholtz resonator
The tunable resonator is coupled to the engine speed control such that the resonator is set to a different frequency range when the engine speed is changed. The frequency range is changed by opening and closing necks and/or changing the effective volume of the reson...
06/06/2006
7047934Fuel injection type internal combustion engine and vehicle provided with the same
An internal combustion engine includes an engine body including a cylinder that defines a combustion chamber, an intake opening that faces the combustion chamber, and an intake passage in communication with the combustion chamber through the intake opening, a piston...
05/23/2006
7032557Method and device for controlling an internal combustion engine
An internal combustion engine has an intake device (1), the intake pipes (5 to 8) for the intakes of cylinders of the internal combustion engine and actuators for adjusting the effective pipe lengths of the intake pipes (5 to 8) by...
04/25/2006
7013211Variable valve control apparatus for internal combustion engine and method thereof
A requested volume flow ratio calculated based on a requested torque, an amount of two times a spit-back gas amount at the valve overlap time calculated based on a requested residual gas rate, and a spit-back gas amount of the time when an intake valve is closed are...
03/14/2006
7011066Intake manifold for an engine
The present invention relates to a modified intake manifold having short runner valves in the manifold tuning valve. Anti-chatter devices are disclosed for reducing shaft chatter without placing friction on the shafts. A lost motion linkage is used to ensure closure...
03/14/2006
6986333Intake manifold with variable runner area
A tunable intake manifold extends between a plenum and an intake of an internal combustion engine. A manifold housing defines an interior and a runner wall extending through the interior. A slider extends through the interior and slidably engages the manifold housin...
01/17/2006
6915774Intake apparatus for internal combustion engine
An intake apparatus for an internal combustion engine, including a partition dividing an intake port into a first passage and a second passage, and a gas motion control valve including a rotatable valve element disposed upstream of the partition and spaced from an u...
07/12/2005
6732509Engine acoustical system
A number of embodiments of acoustical devices for improving either or both the intake and exhaust sounds emanated from an internal combustion engine. This is achieved by employing acoustical devices which are configured so as to discharge the desired sound waves to ...
05/11/2004
6666182Intake device for an internal combustion engine
An intake device for an internal combustion engine including a mounting flange (10) for mounting to a cylinder head of an internal combustion engine and a plurality of intake manifolds (11-14) which open into a common collecting chamber. The mounting flan...
12/23/2003
6591805Port system, especially an induction manifold for an internal combustion engine
A duct system, especially an intake manifold for an internal combustion engine, having flap valves (13) for selective opening and closing of at least some of the ducts. The valves should be continuously adjustable in position in order to produce a swirl i...
07/15/2003
6591804Variable intake apparatus for a multi-cylinder internal combustion engine
In a variable intake apparatus for a multi-cylinder internal combustion engine, each cylinder is allowed to communicate with each other through air intake passageways including at least a pair of air intake passageway portions. Further, an air intake cont...
07/15/2003
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