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.

Date of Patent:
Jun. 10, 2003

Filed:

Aug. 30, 2001
Applicant:
Inventors:

Yoshihiko Onishi, Tokyo, JP;

Kouichi Ojima, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 3/910 ;
U.S. Cl.
CPC ...
F04B 3/910 ;
Abstract

A high pressure fuel supply apparatus includes a cylinder defining a compression chamber, a piston supported for sliding movement in the cylinder, and a valve communicating with the compression chamber. The valve includes a valve seat having a valve hole formed therein and a reed movable between an open and a closed position to open and close the valve hole. The reed has a head with an outer periphery in surface contact with the valve seat when the reed is in its closed position, and a bulge surrounded by the outer periphery and extending away from the valve hole and disposed on the valve hole when the 0reed is in its closed position.


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