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:
Jun. 29, 2021
Filed:
Jan. 03, 2020
Applicant:
Fujikin Incorporated, Osaka, JP;
Inventors:
Takeru Miura, Osaka, JP;
Tsutomu Shinohara, Osaka, JP;
Tomohiro Nakata, Osaka, JP;
Toshiyuki Inada, Osaka, JP;
Kazunari Watanabe, Osaka, JP;
Kenta Kondo, Osaka, JP;
Hidenobu Sato, Osaka, JP;
Tomoko Yuhara, Osaka, JP;
Assignee:
FUJIKIN INCORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 13/02 (2006.01); F16K 31/122 (2006.01); F15B 13/04 (2006.01);
U.S. Cl.
CPC ...
F16K 31/122 (2013.01); F15B 13/025 (2013.01); F15B 13/027 (2013.01); F15B 13/0405 (2013.01);
Abstract
An actuator includes: a casing; a pressure reducing valve and a piston. The pressure reducing valve is provided in the casing to reduce a pressure of a driving fluid supplied from an outside of the casing to a predetermined level. The piston is provided in the casing to form a pressure chamber together with the casing. The piston is driven by the driving fluid that has been pressure-reduced to the predetermined level.