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:
Feb. 08, 2022
Filed:
Aug. 28, 2018
Fujikin Incorporated, Osaka, JP;
Ryutaro Tanno, Osaka, JP;
Kenji Aikawa, Osaka, JP;
Akihiro Harada, Osaka, JP;
Yuya Suzuki, Osaka, JP;
Takahiro Matsuda, Osaka, JP;
Katsunori Komehana, Osaka, JP;
Masahiko Ochiishi, Osaka, JP;
Tsutomu Shinohara, Osaka, JP;
Fujikin Inc., Osaka, JP;
Abstract
The present invention is intended to improve the accuracy of control of a material gas by providing a valve with simplified wiring and a fluid supply line equipped with the valve. A valve V includes a valve bodyand a driving pressure control devicecoupled to the valve body. The driving pressure control deviceincludes: a driving pressure introduction pathconnected to a driving pressure supply source G outside a line; an automatic valvethat opens and closes the driving pressure introduction path; a driving pressure introduction paththat couples to a driving pressure introduction portof the valve body; an automatic valvethat opens and closes the driving pressure introduction pathin conjunction with the automatic valveand opens and closes an exhaust passagethat discharges a driving pressure from the driving pressure introduction path; and a driving pressure introduction paththat couples the driving pressure introduction pathand the driving pressure introduction pathvia the automatic valveand the automatic valve