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. 10, 2020
Filed:
Jun. 05, 2014
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Takeyuki Yabuuchi, Toyota, JP;
Hirokazu Yokoyama, Toyota, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, JP;
Abstract
A high-pressure fuel pump () includes a plunger (), a pump housing (), an intake valve (), a discharge passage (), a fuel seal member (), and a fuel inlet conduit (). The pump housing () includes a fuel pressurizing chamber (), an intake passage (), a discharge passage (), a cylinder housing member (), a cover member () that covers the cylinder housing member (), and an intake gallery chamber (). The fuel inlet conduit () is connected to the cover member () and configured to introduce fuel into the intake gallery chamber () from outside the cover member (). The pump housing () includes a return passage () that communicates the intake gallery chamber () with a space surrounded by the plunger (), the cylinder housing member (), and the fuel seal member (). A first end portion of the return passage () on the intake gallery chamber () side is positioned on an opposite side of the cylinder housing member () from the fuel inlet conduit ().