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:
Mar. 09, 2004
Filed:
Oct. 10, 2002
Tomohiro Komatsu, Tsuchiura, JP;
Tadakatsu Nakajima, Tsuchiura, JP;
Akira Nishiguchi, Tsuchiura, JP;
Tatsuo Fujii, Tsuchiura, JP;
Masaru Noujyo, Tsuchiura, JP;
Kyoichi Sekiguchi, Chiyoda-ku, JP;
Kenji Machizawa, Chiyoda-ku, JP;
Yoshikazu Hanawa, Chiyoda-ku, JP;
Tomio Nakajima, Chiyoda-ku, JP;
Haruo Nashimoto, Chiyoda-ku, JP;
Hitachi Building Systems Co., Ltd., Tokyo, JP;
Abstract
A management apparatus and a management method which can forecast inspection time before the lowering of performance or the occurrence of abnormality in a heat source unit for an air conditioner are provided. The operating condition of the air conditioner heat source unit is monitored by a central monitoring unit of the management apparatus connected to the heat source unit through an information communication network. Operating data of the heat source unit is analyzed so that the lowering of the performance and the advance of the degree of abnormality in the heat source unit are diagnosed. Thus, the loss of a user caused by the failure stop or the performance lowering of the heat source unit is reduced. Further, the load on the heat source unit is grasped by the central monitoring unit so that remote central control is carried out to make the operating cost minimal.