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:
Jan. 08, 1991
Filed:
Dec. 26, 1989
Applicant:
Inventors:
Yohsuke Akatsu, Kanagawa, JP;
Naoto Fukushima, Kanagawa, JP;
Yukio Fukunaga, Kanagawa, JP;
Itaru Fujimura, Kanagawa, JP;
Masaharu Satoh, Kanagawa, JP;
Kensuke Fukuyama, Kanagawa, JP;
Kenro Takahashi, Kanagawa, JP;
Masahiro Tsukamoto, Kanagawa, JP;
Assignee:
Nissan Motor Company, Limited, Yokohama, JP;
Primary Examiner:
Int. Cl.
CPC ...
B60G / ;
U.S. Cl.
CPC ...
280707 ;
Abstract
A hydraulic circuit for an active suspension system employs a pressure accumulator connected to a drain line at an orientation upstream of a pilot operated operational one-way check valve. The pressure accumulator absorbs back pressure generated in the drain line due to flow resistance in the drain line.
Akatsu, Yohsuke. (1991). Active suspension system with enhanced response characteristics (U.S. Patent No. 4982979). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4982979
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