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.

Date of Patent:
Nov. 27, 2018

Filed:

Feb. 24, 2015
Applicant:

Mitsubishi Heavy Industries Thermal Systems, Ltd., Tokyo, JP;

Inventors:

Takaaki Miura, Tokyo, JP;

Kenji Ueda, Tokyo, JP;

Yoshie Kanki, Tokyo, JP;

Minoru Matsuo, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B 23/02 (2006.01); F25B 1/10 (2006.01); F25B 25/00 (2006.01); F25B 40/02 (2006.01); F25B 41/04 (2006.01); F25B 49/02 (2006.01); F25B 1/053 (2006.01); F25B 31/02 (2006.01); F25B 49/00 (2006.01);
U.S. Cl.
CPC ...
G05B 23/0221 (2013.01); F25B 1/10 (2013.01); F25B 25/005 (2013.01); F25B 40/02 (2013.01); F25B 41/043 (2013.01); F25B 49/022 (2013.01); F25B 1/053 (2013.01); F25B 31/023 (2013.01); F25B 49/005 (2013.01); F25B 2339/047 (2013.01); F25B 2341/0662 (2013.01); F25B 2400/13 (2013.01); F25B 2400/23 (2013.01); F25B 2600/0261 (2013.01); F25B 2600/2501 (2013.01); F25B 2700/193 (2013.01); F25B 2700/195 (2013.01); F25B 2700/197 (2013.01); F25B 2700/21161 (2013.01); F25B 2700/21163 (2013.01); F25B 2700/21171 (2013.01); F25B 2700/21172 (2013.01); F25B 2700/21173 (2013.01); G05B 2219/2613 (2013.01);
Abstract

This chiller control device () is provided with: a storage unit () which stores operation data detected at each site in a turbo chiller; a compression unit () which, when the size of the operation data accumulated over time in the storage unit () becomes too large, converts the operation data each time a condition depending on the type of operation data is met, thereby compressing the data size; and a diagnostic unit () which evaluates the state of the turbo chiller on the basis of the operation data converted by the compression unit (). By this means, the state of the chiller can be diagnosed without increasing the storage capacity of the storage medium that stores operation data of the turbo chiller.


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