Solenoid valve

US8936040B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8936040-B2
Application numberUS-201113135335-A
CountryUS
Kind codeB2
Filing dateJul 1, 2011
Priority dateJul 5, 2010
Publication dateJan 20, 2015
Grant dateJan 20, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A solenoid valve has a tapered valve seat disposed between a first flow passage and a second flow passage, a reduced diameter side of the valve seat that is connected with the first flow passage, and a valve body having a closing portion that reduces its diameter toward a tip facing the valve seat. The first flow passage and the second flow passage are connected/disconnected by sliding the valve body for contacting/detaching the closing portion to the valve seat, and a groove is disposed on the closing portion facing the direction of a fluid flow.

First claim

Opening claim text (preview).

What is claimed is: 1. A solenoid valve comprises: a tapered valve seat disposed between a first flow passage and a second flow passage; a reduced diameter side of the valve seat that is directly open to the first flow passage; a valve body having a hemispheric closing portion that reduces its diameter toward a tip facing the valve seat; a spring disposed between the tapered valve seat and the valve body, the spring urging the closing portion of the valve body in a direction…

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What does patent US8936040B2 cover?
A solenoid valve has a tapered valve seat disposed between a first flow passage and a second flow passage, a reduced diameter side of the valve seat that is connected with the first flow passage, and a valve body having a closing portion that reduces its diameter toward a tip facing the valve seat. The first flow passage and the second flow passage are connected/disconnected by sliding the valv…
Who is the assignee on this patent?
Tominaga Motonori, Kondoh Masuhiro, Tsujimura Shinichi, and 4 more
What technology area does this patent fall under?
Primary CPC classification F16K1/42. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Jan 20 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).