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:
Feb. 14, 2017
Filed:
Dec. 20, 2012
Aisin Aw Co., Ltd., Anjo-shi, Aichi-ken, JP;
Hiroyuki Kutsubo, Anjo, JP;
Kazuki Kojima, Nukata, JP;
Tetsuya Shimizu, Anjo, JP;
Kenichi Tsuchida, Nishio, JP;
Kazunori Ishikawa, Toyta, JP;
Tomomi Ishikawa, Anjo, JP;
AISIN AW CO., LTD., Anjo, JP;
Abstract
A spool valve that has a hollow portion formed with an input port, a first output port, and a second output port, and a spool capable of sliding within the hollow portion and having a plurality of lands, the spool valve being configured to distribute output for input to the input port to the first output port and the second output port in accordance with a proportion of distribution that matches a position of the spool. An opening of the second output port is formed in such a shape that a width of the opening becomes gradually smaller in a direction of movement of the spool in which distribution of the output to the first output port is increased.