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:
Oct. 05, 2021
Filed:
Apr. 21, 2017
Fujikin Incorporated, Osaka, JP;
Kaoru Hirata, Osaka, JP;
Katsuyuki Sugita, Osaka, JP;
Yohei Sawada, Osaka, JP;
Masahiko Takimoto, Osaka, JP;
Kouji Nishino, Osaka, JP;
FUJIKIN INCORPORATED, Osaka, JP;
Abstract
The fluid controller includes a fluid control module and an external control module. The fluid control module includes a control valve on a flow channel, a valve driver circuit that drives the control valve, a fluid meter on a flow channel, and a first processor that processes a signal output from the fluid meter. The external control module includes a second processor that processes a signal output from the first processor. The second processor outputs a valve control signal according to the signal of the fluid meter output from the first processor, the valve control signal is directly input to the valve driver circuit without through the first processor, and the valve driver circuit outputs a voltage that drives the control valve according to the valve control signal from the second processor.