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:
Oct. 03, 2017
Filed:
Oct. 12, 2010
Takashi Usui, Toyota, JP;
Takeshi Kitamura, Toyota, JP;
Hirokazu Yokoyama, Toyota, JP;
Yoshihiro Tanaka, Aichi-ken, JP;
Takashi Usui, Toyota, JP;
Takeshi Kitamura, Toyota, JP;
Hirokazu Yokoyama, Toyota, JP;
Yoshihiro Tanaka, Aichi-ken, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-ken, JP;
Abstract
In a fuel pump that includes a pump housing () that has fuel passages (), a plunger () that is movably housed in the pump housing (), a fuel pressurizing chamber () that is formed in the pump housing () and draws in fuel via one of the fuel passages () that is on the intake side of the fuel pressurizing chamber (), pressurizes the fuel that has been drawn in, and discharges the pressurized fuel via the other fuel passage () that is on the discharge side of the fuel pressure chamber (), in response to movement of the plunger (), and valve elements () that are arranged in the fuel passages () near the fuel pressurizing chamber (), each of the valve elements () has a reed valve body () arranged in the fuel passage () on the intake side of the fuel pressurizing chamber () or the fuel passage () on the discharge side of the fuel pressurizing chamber (); and an operating member () that applies operating force in at least one of a valve opening direction or a valve closing direction to the reed valve body () is provided in the pump housing ().