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. 06, 2005
Filed:
Jul. 18, 2002
Hiroshi Takahashi, Musashino, JP;
Keisuke Tani, Tokyo, JP;
Hiromichi Kosaka, Tokyo, JP;
Shigehiro Yoshida, Tokyo, JP;
Hiroshi Takahashi, Musashino, JP;
Keisuke Tani, Tokyo, JP;
Hiromichi Kosaka, Tokyo, JP;
Shigehiro Yoshida, Tokyo, JP;
Yokogawa Electric Corporation, Tokyo, JP;
Asahi Kogyosha Co., Ltd., Tokyo, JP;
Abstract
The present invention provides a system which comprises primary supply pumps and secondary supply pumps and controls pressurized water supply systems, air-conditioning systems, or the like that supply chilled water or hot water using these pumps. In the present invention, calculation is carried out based on measurement signals obtained by measuring pressure, flow rate, open rate of valves, etc. by providing sensors in supply channels.