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:
Apr. 30, 2019
Filed:
Aug. 06, 2015
Applicant:
Usui Kokusai Sangyo Kaisha Limited, Shimizu-cho, Sunto-gun, Shizuoka, JP;
Inventor:
Daisuke Asahi, Shimizu-cho, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
F02M 55/00 (2006.01); F02M 55/02 (2006.01);
U.S. Cl.
CPC ...
F02M 55/005 (2013.01); F02M 55/025 (2013.01);
Abstract
Provided is an end seal structure of a fuel rail for a gasoline direct injection engine, in which an end or both ends of a rail body composed of a pipe is/are closed by a thread fastening type of an end cap or end caps having a cap-nut shape, is characterized in that a metallic gasket is provided between an inner wall surface of the end cap having the cap-nut shape and an end section of the rail body, the end cap having the cap-nut shape is screwed and fixed to the rail body, and the gasket is tightened by an axial force created by tightening of the end cap having the cap-nut shape so that the end of the rail body is sealed.