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:
Sep. 15, 2015
Filed:
May. 10, 2006
Tadahiro Ohmi, Sendai, JP;
Kouji Nishino, Osaka, JP;
Ryousuke Dohi, Osaka, JP;
Nobukazu Ikeda, Osaka, JP;
Masaaki Nagase, Osaka, JP;
Kaoru Hirata, Osaka, JP;
Katsuyuki Sugita, Osaka, JP;
Tsutomu Shinohara, Osaka, JP;
Takashi Hirose, Osaka, JP;
Tomokazu Imai, Osaka, JP;
Toshihide Yoshida, Osaka, JP;
Hisashi Tanaka, Osaka, JP;
Tadahiro Ohmi, Sendai, JP;
Kouji Nishino, Osaka, JP;
Ryousuke Dohi, Osaka, JP;
Nobukazu Ikeda, Osaka, JP;
Masaaki Nagase, Osaka, JP;
Kaoru Hirata, Osaka, JP;
Katsuyuki Sugita, Osaka, JP;
Tsutomu Shinohara, Osaka, JP;
Takashi Hirose, Osaka, JP;
Tomokazu Imai, Osaka, JP;
Toshihide Yoshida, Osaka, JP;
Hisashi Tanaka, Osaka, JP;
Fujikin Incorporated, Osaka, JP;
National University Corporation Tohoku University, Miyagi, JP;
Abstract
An orifice changeable pressure type flow rate control apparatus comprises a valve body of a control valve for a pressure type flow rate control apparatus installed between an inlet side fitting block provided with a coupling part of a fluid supply pipe and an outlet side fitting block provided with a coupling part of a fluid takeout pipe; a fluid inlet side of the valve body and the inlet side fitting block, and a fluid outlet side of the valve body and the outlet side fitting block are detachably and hermitically connected respectively so a flow passage for gases through the control valve is formed; and, a gasket type orifice for a pressure type flow rate control apparatus is removably inserted between a gasket type orifice insertion hole provided on the outlet side of the valve body and a gasket type orifice insertion hole of the outlet side fitting block.