The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 21, 2014
Filed:
Jan. 22, 2008
Toshimi Kaneko, Saitama, JP;
Yasuhiro Morimoto, Saitama, JP;
Yoshimichi Tsubata, Saitama, JP;
Shoji Nomura, Saitama, JP;
Yoshinori Tanaka, Saitama, JP;
Toshimi Kaneko, Saitama, JP;
Yasuhiro Morimoto, Saitama, JP;
Yoshimichi Tsubata, Saitama, JP;
Shoji Nomura, Saitama, JP;
Yoshinori Tanaka, Saitama, JP;
Honda Motor Co., Ltd, Tokyo, JP;
Abstract
A fluid transmission device comprises: a cover member coupled to a drive shaft; a converter mechanism constituted by a pump impeller coupled to the cover member, a turbine runner connected to a driven shaft, and a stator disposed between the pump impeller and the turbine runner, a converter chamber through which a working fluid flows being formed in the interior thereof; a lockup mechanism having a clutch piston provided in a lockup chamber that is surrounded by the cover member and the turbine runner, which engages and disengages the drive shaft and driven shaft by supplying a control fluid to a clutch oil chamber surrounded by a back surface of the clutch piston and the cover member; an inlet passage for leading the working fluid into the lockup chamber from the outside; a communicating passage for leading the working fluid into the converter chamber from the lockup chamber; and an outlet passage for leading the working fluid to the outside from the converter chamber.