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:
Sep. 12, 2017

Filed:

Dec. 21, 2012
Applicant:

Sumitomo Heavy Industries, Ltd., Tokyo, JP;

Inventor:

Toshiyuki Kimura, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 40/00 (2006.01); F25B 9/00 (2006.01); F25B 49/02 (2006.01); F04B 37/08 (2006.01); F25B 9/14 (2006.01); F04B 49/08 (2006.01);
U.S. Cl.
CPC ...
F25B 49/022 (2013.01); F04B 37/08 (2013.01); F04B 49/08 (2013.01); F25B 9/14 (2013.01); F25B 2400/075 (2013.01);
Abstract

A compressor controller includes: a control amount calculation unit configured to calculate at least two control amounts including a first control amount for controlling a first control object that relates to a gas amount for cooling a cryogenic apparatus, and a second control amount for controlling a second control object that relates to the refrigerant gas amount and that is different from the first control object, the second control amount being common with the first control amount; and a selection unit configured to select a control object to be controlled from at least two control objects including the first control object and the second control object on the basis of a comparison between the at least two common control amounts.


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