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:
Jan. 10, 2023

Filed:

May. 11, 2020
Applicant:

Ckd Corporation, Aichi, JP;

Inventors:

Atsuo Hayashi, Aichi, JP;

Shinji Itoh, Aichi, JP;

Mitsuhiro Kosugi, Aichi, JP;

Assignee:

CKD CORPORATION, Aichi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/42 (2006.01); F16K 11/07 (2006.01); F16K 27/00 (2006.01); F16K 31/06 (2006.01); F16K 11/065 (2006.01); F16K 17/04 (2006.01);
U.S. Cl.
CPC ...
F16K 31/423 (2013.01); F16K 11/065 (2013.01); F16K 17/0473 (2013.01); F16K 27/003 (2013.01); F16K 31/061 (2013.01);
Abstract

Passage forming blocks of a first pilot valve and a second pilot valve each include a supply passage, which opens in a first surface and a second surface and is connected to a valve chamber, a first output passage, which opens in the first surface and are connected to the valve chamber, and a second output passage, which opens in the first surface. Further, the passage forming blocks each include an output passage connecting recess. The output passage connecting recess is provided in a section of the second surface that overlaps with an opening region of the first output passage, which opens in the first surface, and is connected to the second output passage. The first output passage of the first pilot valve is connected to the second output passage of the second pilot valve via the output passage connecting recess of the second pilot valve.


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