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:
Aug. 13, 2013
Filed:
May. 31, 2011
Masahiro Sugiura, Anjo, JP;
Masahiro Sugiura, Anjo, JP;
Asian Kogyo Kabushiki Kaisha, Obu-shi, Aichi-ken, unknown;
Abstract
A valve includes a valve housing defining therein a fluid passage composed of a first passage and a second passage, a first valve member configured to open and close the fluid passage, a first biasing member pressing the first valve member in a first valve-closing direction along a flow direction from the first passage to the second passage, a second valve member configured to open and close the fluid passage, a second biasing member pressing the second valve member in a second valve-closing direction along the flow direction from the first passage to the second passage, an electromagnetic driving member having an pressing member opening the first valve member and the second valve member in stages, a third valve member configured to open and close the fluid passage, and a third biasing member pressing the third valve member in a third valve-closing direction along a flow direction from the second passage to the first passage. The third valve member is configured to open the fluid passage when internal pressure of the first passage is higher than internal pressure of the second passage by a predetermined value.