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:
Mar. 24, 1992
Filed:
Aug. 24, 1990
Applicant:
Inventors:
Mizuo Ohtaki, Kanagawa, JP;
Miyoko Hamao, Kanagawa, JP;
Assignee:
Atsugi Unista Corporation, Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417308 ; 417310 ; 417300 ;
Abstract
A fluid pump has a pressure chamber communicated with a discharge outlet via an orifice. A pressure difference responsive flow control valve is also provided for adjustment fluid flow rate through the discharge outlet. The flow control valve has a valve spool housed within a spool chamber. The spool chamber has one end directly opening to the pressure chamber.
Ohtaki, Mizuo. (1992). Fluid pump unit with flow control valve (U.S. Patent No. 5098259). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5098259
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile