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:
Dec. 01, 2020

Filed:

Jun. 15, 2016
Applicant:

Daikin Industries, Ltd., Osaka, JP;

Inventors:

Masahiro Honda, Osaka, JP;

Shigeki Kamitani, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 49/02 (2006.01); F25B 41/04 (2006.01); F24F 11/89 (2018.01); F25B 13/00 (2006.01);
U.S. Cl.
CPC ...
F25B 49/02 (2013.01); F24F 11/89 (2018.01); F25B 13/00 (2013.01); F25B 41/04 (2013.01); F25B 2313/006 (2013.01); F25B 2313/0314 (2013.01); F25B 2500/221 (2013.01); F25B 2500/222 (2013.01); F25B 2600/23 (2013.01); F25B 2600/2501 (2013.01); F25B 2600/2519 (2013.01); F25B 2700/2104 (2013.01);
Abstract

As a shut-off valve inspection process for checking operation of a liquid side shut-off valve and a gas side shut-off valve, an air conditioning system operates a compressor in a cooling cycle state, performs opening and closing operation of the liquid side shut-off valve and the gas side shut-off valve, and determines whether the liquid side shut-off valve and the gas side shut-off valve properly operate on the basis of a temperature value detected by a temperature sensor provided in an indoor unit.


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