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:
May. 13, 2008
Filed:
Sep. 22, 2005
Yoshinori Futonagane, Susono, JP;
Yoshimasa Watanabe, Sunto-gun, JP;
Yoshinori Futonagane, Susono, JP;
Yoshimasa Watanabe, Sunto-gun, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
A fuel injector () in an internal combustion engine, wherein an intermediate chamber control valve () operated by the fuel pressure in a common rail () is arranged in a fuel flow passage () connecting a two-position switching type three-way valve () and an intermediate chamber () of a booster piston (). When the fuel pressure in the common rail () is in a high pressure side fuel region, the booster piston () is operated by this intermediate chamber control valve (), while when the fuel pressure in the common rail () is in a low pressure side fuel region, the operation of the booster piston () is stopped by this intermediate chamber control valve ().