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Class Information
Number: 123/184.56
Name: Internal-combustion engines > Intake manifold > Manifold tuning, balancing or pressure regulating means > Adjustable cross section passage
Description: Intake manifold including a means for reversibly blocking a portion of the flow path of the working fluid.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7614379 |
Air horn for efficient fluid intake |
Nov. 10, 2009 |
| 7556019 |
Intake manifold regulators for internal combustion engines |
Jul. 7, 2009 |
| 7520258 |
Air cleaner intake duct |
Apr. 21, 2009 |
| 7500493 |
Tuning slide valve for intake manifold |
Mar. 10, 2009 |
| 7484491 |
Air induction system with resonator bypass valve |
Feb. 3, 2009 |
| 7448357 |
Air induction system and assembly method for an intake manifold with a single shaft and sensor for activating air control valves |
Nov. 11, 2008 |
| 7395811 |
Choke device for an internal combustion engine intake system |
Jul. 8, 2008 |
| 7353791 |
Sound increase apparatus |
Apr. 8, 2008 |
| 7337877 |
Variable geometry resonator for acoustic control |
Mar. 4, 2008 |
| 7287504 |
Over-center actuator |
Oct. 30, 2007 |
| 7281511 |
Air intake for motor vehicles |
Oct. 16, 2007 |
| 7255197 |
Muffler |
Aug. 14, 2007 |
| 7225779 |
Intake system including a resonance chamber |
Jun. 5, 2007 |
| 7210444 |
Variable air intake pipe length |
May. 1, 2007 |
| 7143733 |
Intake manifold having variable cross-sectional area |
Dec. 5, 2006 |
| 7121246 |
Intake passage of an internal combustion engine |
Oct. 17, 2006 |
| 7107958 |
Intake manifold with variable runner area |
Sep. 19, 2006 |
| 7089909 |
Choke valve provided with an integrated electromagnetic actuator for an intake manifold with a retracting tumble system |
Aug. 15, 2006 |
| 7073473 |
Intake manifold variable runner area |
Jul. 11, 2006 |
| 7059299 |
Multi-stage sliding air throttle valve assembly and cylinder assembly engine including same |
Jun. 13, 2006 |
| 7055484 |
Multiple frequency Helmholtz resonator |
Jun. 6, 2006 |
| 7032557 |
Method and device for controlling an internal combustion engine |
Apr. 25, 2006 |
| 7011066 |
Intake manifold for an engine |
Mar. 14, 2006 |
| 6986333 |
Intake manifold with variable runner area |
Jan. 17, 2006 |
| 6732509 |
Engine acoustical system |
May. 11, 2004 |
| 6666182 |
Intake device for an internal combustion engine |
Dec. 23, 2003 |
| 6591805 |
Port system, especially an induction manifold for an internal combustion engine |
Jul. 15, 2003 |
| 6591804 |
Variable intake apparatus for a multi-cylinder internal combustion engine |
Jul. 15, 2003 |
| 6520138 |
Air intake apparatus for internal combustion engine |
Feb. 18, 2003 |
| 6450141 |
Intake noise reducing device for internal combustion engine |
Sep. 17, 2002 |
| 6425356 |
Piston-type internal-combustion engine with throttle-free load control and a device for generating a vacuum, and method for operating the device |
Jul. 30, 2002 |
| 6341589 |
Switching unit |
Jan. 29, 2002 |
| 6332442 |
Intake air duct |
Dec. 25, 2001 |
| 6289864 |
Intake manifold arrangement for an internal combustion engine |
Sep. 18, 2001 |
| 6279530 |
Method for triggering the controlling elements of an internal combustion engine |
Aug. 28, 2001 |
| 6209503 |
Intake duct |
Apr. 3, 2001 |
| 6196178 |
Air intake apparatus for internal combustion engine |
Mar. 6, 2001 |
| 6131554 |
Engine having combustion control system |
Oct. 17, 2000 |
| 6105545 |
Intake port for an internal combustion engine |
Aug. 22, 2000 |
| 5947072 |
Inlet device for an internal combustion engine |
Sep. 7, 1999 |
| 5937815 |
Air intake system for internal combustion engine |
Aug. 17, 1999 |
| 5860405 |
Intake apparatus of internal combustion engine |
Jan. 19, 1999 |
| 5823157 |
Construction of an intake passage having a variable cross-sectional area and length for an internal combustion engine |
Oct. 20, 1998 |
| 5797365 |
Intake port device for an engine of a vehicle |
Aug. 25, 1998 |
| 5787852 |
Intake system for an internal combustion engine |
Aug. 4, 1998 |
| 5762036 |
Split plenum intake manifold with variable runners |
Jun. 9, 1998 |
| 5749342 |
Moveable aperture for alteration of intake manifold cross sectional area |
May. 12, 1998 |
| 5722358 |
Tube with variable inside diameter |
Mar. 3, 1998 |
| 5704327 |
Intake pipe for an internal combustion engine |
Jan. 6, 1998 |
| 5687684 |
Continuously variable intake manifold |
Nov. 18, 1997 |
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