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:
Dec. 28, 2004
Filed:
Jun. 24, 2003
Applicant:
Inventors:
Takuya Fujimine, Anjo, JP;
Akira Fukatsu, Anjo, JP;
Kazuyuki Noda, Anjo, JP;
Masahiko Ando, Anjo, JP;
Kazutoshi Nozaki, Toyota, JP;
Toshiki Kanada, Toyota, JP;
Yuji Kashihara, Toyota, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 3/100 ; F16H 6/126 ;
U.S. Cl.
CPC ...
F16H 3/100 ; F16H 6/126 ;
Abstract
An oil pressure control device has bypass drain oil passages that bypass a control valve and that are capable of draining the engaging pressure K from a hydraulic servo of a clutch when releasing the clutch. A drain-prohibiting check ball blocks a drain path between a manual valve and an input port.