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:
May. 31, 2022

Filed:

Jan. 28, 2021
Applicant:

Fujikin Incorporated, Osaka, JP;

Inventors:

Ryousuke Dohi, Osaka, JP;

Kaoru Hirata, Osaka, JP;

Katsuyuki Sugita, Osaka, JP;

Koji Kawada, Osaka, JP;

Kouji Nishino, Osaka, JP;

Nobukazu Ikeda, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 31/00 (2006.01); F16K 41/02 (2006.01); G05D 7/06 (2006.01);
U.S. Cl.
CPC ...
F16K 31/007 (2013.01); F16K 31/004 (2013.01); F16K 41/023 (2013.01); G05D 7/0647 (2013.01);
Abstract

A piezoelectric element-driven valveincluding a main body, a valve element, piezoelectric actuators, a plurality of cylindrical actuator boxes arranged in series, a cylindrical outer connecting jig detachably connecting the adjacent actuator boxes and having an opening for drawing out wiring, a plurality of piezoelectric actuators accommodated in the actuator box respectively in the same direction, and a cylindrical inner connecting jig slidably accommodated in the outer connecting jig and having an opening for positioning the adjacent piezoelectric actuators and drawing out wiring.


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