Air suction device

Details Air suction device Air suction device

2006-01-12

2008-10-28

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

C123S184570, C181S229000

Reexamination Certificate

active

07441527

ABSTRACT:
An air suction device is provided with an air suction system having at least one capacity-enlarged portion, a compression pump compressing air in synchronization with operation of an engine, a compression air control unit, and a vibration plate which is vibration-excited by air compressed by the compression pump and disposed in a connection passage connecting a discharge side of the compression pump with the capacity-enlarged portion. The compression air control unit controls the phase and amplitude of a pressure variation of compression air discharged from the compression pump, to provide compression air with the pressure variation having the phase opposite to a pressure variation of suction air sucked into the engine.

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patent: 2007/0044747 (2007-03-01), Sawatari et al.
patent: 2007/0131189 (2007-06-01), Shinada et al.
patent: 8-123435 (1996-05-01), None
patent: 2004-245090 (2004-09-01), None

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