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:
Aug. 31, 1993
Filed:
Jan. 04, 1993
Hideaki Otsubo, Toyota, JP;
Kunihiro Iwatsuki, Toyota, JP;
Hiromichi Kimura, Toyota, JP;
Yukihiro Kobayashi, Obu, JP;
Kazunori Ishikawa, Toyota, JP;
Aisin AW Co., Ltd., Anjo, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
Herein disclosed is a hydraulic servomechanism control system in an automatic transmission, for modulating the oil pressure of any hydraulic servomechanism to engage or release frictional engagement devices. The control system comprises: two pressure modulating mechanisms for modulating the oil pressure of said hydraulic servomechanisms; and a shutoff mechanism for shutting off, when one of said pressure modulating mechanisms is caused to communicate with said hydraulic servomechanism, the communication between the other pressure modulating mechanism and said hydraulic servomechanism.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile