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:
Aug. 24, 2004
Filed:
Apr. 21, 2003
Toshio Hattori, Sagamihara, JP;
Nifco Inc., Yokohama, JP;
Abstract
A pressure control valve for a fuel tank includes a valve chamber having the first communicating portion communicating with a canister and the second communicating portion communicating with the fuel tank; the first hollow valve member housed in the valve chamber to be vertically movable; and the second valve member housed in the first valve member to be vertically movable. A valve portion for closing the second communicating portion from the inside of the valve chamber and the first communicating hole passing through the valve portion are provided at a bottom of the first valve member. The second communicating hole is provided at an upper portion of the first valve member for communicating between the inside of the first valve member and the valve chamber.