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Title:
位相可変装置および内燃機関用カム軸位相可変装置
Document Type and Number:
Japanese Patent JP4229464
Kind Code:
B2
Abstract:
The device has a phase-shifting device, which carries out a phase shifting between a crankshaft and a camshaft, and has front-angled hydraulic chambers and rear-angled hydraulic chambers. Both hydraulic chambers increase in volume when a phase angle of the cam shaft changes relative to the crankshaft in the direction of the front- angle and rear-angle. The number of front-angled and the rear-angled chamber oil path systems, which are remain connected with the front-angled and rear-angled hydraulic chambers corresponding to the change of rotating angle of the camshaft.

Inventors:
Isao Hayase
Seiji Kan
Ichinosezawa
Tomoya Tsukada
Application Number:
JP2006226783A
Publication Date:
February 25, 2009
Filing Date:
August 23, 2006
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
F01L1/34; F01L13/00; F02D13/02
Domestic Patent References:
JP2000179315A
JP2005330892A
Attorney, Agent or Firm:
Patent Business Corporation Takewa International Patent Office