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Class Information
Number: 123/184.53
Name: Internal-combustion engines > Intake manifold > Manifold tuning, balancing or pressure regulating means
Description: Intake manifold including means to: (a) select the resonant frequency of the chamber for desired flow of the working fluid; (b) optimally vary the passage to one cylinder with respect to another; (c) control the pressure of the working fluid therein.


Sub-classes under this class:

Class Number Class Name Patents
123/184.56 Adjustable cross section passage 83
123/184.55 Adjustable length passage 175
123/184.59 Interconnection between passages 42
123/184.57 Resonator chamber 163
123/184.58 Return loop to inlet 11
123/184.54 With back flow prevention valve 66


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7614379 Air horn for efficient fluid intake Nov. 10, 2009
7607413 Induction system for an internal combustion engine Oct. 27, 2009
7588008 Intake system of internal combustion engine Sep. 15, 2009
7562646 Air-intake device for internal combustion engine having noise reduction mechanism Jul. 21, 2009
7559305 Air intake system Jul. 14, 2009
7523732 Intake control device for a vehicle Apr. 28, 2009
7513235 Method and apparatus for operating impulse charger for transient torque management Apr. 7, 2009
7506626 Device and method for amplifying suction noise Mar. 24, 2009
7503303 Variable air intake control system Mar. 17, 2009
7484490 Switching drum seal Feb. 3, 2009
RE40621 Flow improvement vanes in the intake system of an internal combustion engine Jan. 13, 2009
7469671 Air-intake duct and motorcycle comprising the same Dec. 30, 2008
7464788 Apparatus for transmitting sound in a motor vehicle Dec. 16, 2008
7458354 Intake manifold tuning assembly Dec. 2, 2008
7455043 Variable-geometry intake manifold for an internal-combustion engine Nov. 25, 2008
7448353 Intake device of internal combustion engine Nov. 11, 2008
7441527 Air suction device Oct. 28, 2008
7437236 Method for customizing the properties of a drive assembly in motor vehicles Oct. 14, 2008
7418937 Engine air intake arrangement for a vehicle Sep. 2, 2008
7415956 Engine air intake system with resilient coupling having internal noise attenuation tuning Aug. 26, 2008
7415957 Vehicular intake system Aug. 26, 2008
7404387 Intake system for an internal combustion engine Jul. 29, 2008
7392778 Internal combustion engine intake device Jul. 1, 2008
7389758 Engine air intake arrangement for a vehicle Jun. 24, 2008
7370621 Intake manifold with air vessel for an internal combustion engine May. 13, 2008
7360518 Expandable manifold Apr. 22, 2008
7357110 Resin intake manifold Apr. 15, 2008
7353791 Sound increase apparatus Apr. 8, 2008
7350495 Intake system of internal combustion engine and method of controlling the intake system Apr. 1, 2008
7341036 Intake device and mounting structure of valve unit Mar. 11, 2008
7337758 Charge motion control valve actuator Mar. 4, 2008
7334566 Method and device for monitoring a pulse charging valve of an internal combustion engine Feb. 26, 2008
7287503 Engine air intake apparatus Oct. 30, 2007
7281511 Air intake for motor vehicles Oct. 16, 2007
7278389 Automobile intake air flow plenum and plenum diverter Oct. 9, 2007
7270103 Intake apparatus of internal combustion engine Sep. 18, 2007
7263962 Intake system of engine Sep. 4, 2007
7255197 Muffler Aug. 14, 2007
7252064 Switchable air intake system for multi-cylinder internal combustion engine Aug. 7, 2007
7222600 Intake system of multi-cylinder engine May. 29, 2007
7219640 Variable air induction apparatus May. 22, 2007
7213556 Flap bearing mounting May. 8, 2007
7213557 Air intake control system May. 8, 2007
7207322 Supercharger installation with load control for internal combustion engines Apr. 24, 2007
7171934 Intake manifold Feb. 6, 2007
7165327 Method for installing a valve member in an auxiliary control valve device Jan. 23, 2007
7152564 Air intake system and forklift equipped with it Dec. 26, 2006
7146961 Engine air inlet flow enhancement device for internal combustion engines Dec. 12, 2006
7143736 Filter box with resonator and reservoir Dec. 5, 2006
7131514 Noise attenuation device for a vehicle exhaust system Nov. 7, 2006

1 2 3 4 5


 
 
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