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:
Oct. 28, 1980
Filed:
Sep. 01, 1978
Applicant:
Inventors:
Hiroto Kobayashi, Kamakura, JP;
Tsuneo Hashimoto, Shakujii, JP;
Assignee:
Walbro Far East, Inc., Kawasaki City, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137494 ; 137565 ; 137D / ; 417295 ;
Abstract
A fuel feed system having a fuel tank and a pump for pumping up fuel from said fuel tank and for feeding the same to a combustor, characterized in that there is provided between said fuel tank and said pump, a negative pressure actuating valve which is closed against fuel pressure in said fuel tank but opened by a negative pressure created by said pump.
Kobayashi, Hiroto. (1980). Fuel feed system (U.S. Patent No. 4230146). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4230146
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile