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.

Date of Patent:
Apr. 30, 2019

Filed:

Sep. 18, 2015
Applicant:

Eagle Industry Co., Ltd., Tokyo, JP;

Inventors:

Eiji Okamoto, Tokyo, JP;

Satoshi Shimizu, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 11/07 (2006.01); F16K 47/08 (2006.01); F16K 27/04 (2006.01); G05D 16/04 (2006.01);
U.S. Cl.
CPC ...
F16K 47/08 (2013.01); F16K 11/07 (2013.01); F16K 27/041 (2013.01); G05D 16/04 (2013.01); Y10T 137/8671 (2015.04);
Abstract

A spoolis provided with a second land sectionthat blocks a portion between the spooland the valve sleeveat a position between the output port Pand the lead-in port Pwhen the spoolis located in a position for connecting the channel for input Tand the channel for output Tvia the input port Pand the output port Pand blocking a channel leading from the channel for output Tto the channel for discharge T, and when the spoolis located in a position for connecting the channel for output Tand the channel for discharge Tvia the lead-in port Pand the discharge port Pand blocking a channel leading from the channel for input Tto the channel for output T


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