Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Naoya Kato0
Takanobu Kawano0
Toshiaki Nakayama0
Hideaki Itakura0
Kazuhiro Hayashi0
Masakazu Ozawa0
Date of Patent
October 28, 2008
0Patent Application Number
113304030
Date Filed
January 12, 2006
0Patent Primary Examiner
Patent 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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