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. 09, 2003
Filed:
Oct. 22, 2002
Tadahiro Ohmi, Sendai, JP;
Hiroshi Morokoshi, Osaka, JP;
Michio Yamaji, Osaka, JP;
Shigeaki Tanaka, Osaka, JP;
Keiji Hirao, Osaka, JP;
Yuji Kawano, Osaka, JP;
Takashi Hirose, Osaka, JP;
Kosuke Yokoyama, Osaka, JP;
Michio Kuramochi, Osaka, JP;
Masayuki Hatano, Osaka, JP;
Nobukazu Ikeda, Osaka, JP;
Other;
Abstract
An on-off device disposed at each of the inlet and the outlet of a fluid controller is one of five kinds of on-off devices, i.e., on-off device having a two-port valve, on-off device having a two-port valve and a three-port valve, on-off device having a two-port valve and two three-port valves, on-off device having two three-port valves, and on-off device having three three-port valves, The main bodies of two-port valves of all types of on-off devices are identical in configuration and each have an inlet and an outlet in a bottom face thereof. Main bodies of three-port valves of all types of on-off devices are identical in configuration and each formed in a bottom face thereof with an inlet, an outlet always in communication with the inlet, and an inlet-outlet subopening.