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:
May. 07, 2019
Filed:
Sep. 04, 2014
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Yasuhiro Suzuki, Tokyo, JP;
Akiyoshi Ishibashi, Tokyo, JP;
Noriaki Imano, Tokyo, JP;
Kazuki Okada, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 13/00 (2006.01); F25B 45/00 (2006.01); G01M 3/32 (2006.01); F25B 43/04 (2006.01); G01M 3/22 (2006.01);
U.S. Cl.
CPC ...
F25B 45/00 (2013.01); F25B 43/043 (2013.01); G01M 3/223 (2013.01); G01M 3/3227 (2013.01); F25B 13/00 (2013.01); F25B 2400/121 (2013.01); Y02P 80/156 (2015.11); Y10T 29/49359 (2015.01);
Abstract
A method of manufacturing an air-conditioning apparatus serving as a refrigeration cycle apparatus includes: performing an operation test in a factory under a state in which inert gas (nitrogen) is sealed into respective devices mounted on an outdoor unit (such as a compressor and a four-way valve) and an outdoor pipe connecting the devices in place of refrigerant having flammability; and shipping the air-conditioning apparatus under the state in which the inert gas remains sealed.