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:
Jun. 29, 1993
Filed:
Jul. 19, 1991
Kazuya Murota, Ebina, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Abstract
A novel hydraulic system for an automotive automatic power transmission improves efficiency of working fluid supply for controlling transmission operation and for lubricating transmission components. The hydraulic system employs independently fabricated lubrication circuit for lubricating transmission components and a hydraulic control circuit for controlling operation of transmission components. The hydraulic system employs a first fluid pump connected to the hydraulic control circuit for supplying working fluid thereto, and a second fluid pump connected to the lubrication circuit for supplying working fluid thereto, and operative independently of the first fluid pump.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile