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:
Nov. 07, 2017
Filed:
Oct. 23, 2015
Jtekt Corporation, Osaka-shi, Osaka, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Toshihiko Shima, Okazaki, JP;
Takashi Iwaguchi, Nagoya, JP;
Hidetoshi Fujiwara, Nukata-gun, JP;
Munetoshi Kuroyanagi, Nukata-gun, JP;
Toshikatsu Kubo, Obu, JP;
Eiji Okawachi, Toyota, JP;
Masaaki Kondo, Owariasahi, JP;
Akira Yamashita, Toyota, JP;
Hidetsugu Hayashi, Toyota, JP;
JTEKT CORPORATION, Osaka-shi, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A valve element of a pressure reducing valve includes a taper portion seated on an inner periphery of a valve hole that includes a first area, a second area and a third area in order from an upstream side. The first area is provided such that, when the valve element is open, the height of a passage defined between the first area and the taper portion gradually reduces toward a downstream side. The second area is provided such that the height of a passage defined between the second area and the taper portion is constant when the valve element is open and the entire second area contacts the taper portion when the valve element is closed. The third area is provided such that, when the valve element is open, the height of a passage defined between the third area and the taper portion gradually increases toward the downstream side.