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. 20, 2007
Filed:
Jun. 04, 2004
Tomohisa Takeda, Matsuyama, JP;
Tomohisa Takeda, Matsuyama, JP;
Miura Co., Ltd., Matsuyama, JP;
Abstract
A valve includes: a valve casing (); a valve chamber () defined between a fluid inlet () and a fluid outlet () of the valve casing (): and a plurality of check valve mechanisms () arranged in series within the valve chamber (), the plurality of check valve mechanisms () each including: a valve seat () having a valve hole () formed therein: and a valve body () fixed to a valve shaft () and arranged on a fluid outlet () side of the valve seat (), the valve shaft () passing through the valve hole () of the valve seat () and movably supported on a fluid inlet () side and the fluid outlet () side of the valve seat (), the valve body () being adapted to move away from the valve seat () to open the valve hole () when applied with a fluid pressure from the fluid inlet () side and adapted to move toward and into contact the valve seat () to close the valve hole () when applied with a fluid pressure from the fluid outlet () side. As a result, a valve with a check valve mechanism capable of reliably preventing fluid backflow can be obtained.