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, 2009
Filed:
Sep. 28, 2005
Kazuhiro Omae, Atsugi, JP;
Yoshimasa Watanabe, Sunto-gun, JP;
Kazuhiro Omae, Atsugi, JP;
Yoshimasa Watanabe, Sunto-gun, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
A first valve element () and second valve element () are arranged in a pressure switching chamber () of a three-way valve (). When switching a destination of a fuel flow passage () from a high pressure fuel feed passage () to a low pressure fuel return passage (), the state where the first valve element () is open and the second valve element () is closed is switched through a state where the first valve element () and second valve element () are both closed to a state where the first valve element () is closed and the second valve element () is open. Fuel pressure of a pressure control port () sealed by a sliding seal face () formed at an outer circumference of the second valve element () is used to control an opening timing of a needle valve ().