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:
Aug. 27, 2019
Filed:
Nov. 21, 2012
Katsuhiro Ishimura, Tokyo, JP;
Koji Yamashita, Tokyo, JP;
Shinichi Wakamoto, Tokyo, JP;
Naofumi Takenaka, Tokyo, JP;
Fumihiko Ishizono, Tokyo, JP;
Katsuhiro Ishimura, Tokyo, JP;
Koji Yamashita, Tokyo, JP;
Shinichi Wakamoto, Tokyo, JP;
Naofumi Takenaka, Tokyo, JP;
Fumihiko Ishizono, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A controller, at least during the heating operation, controls the opening degree of a second expansion device and/or a third expansion device based on a discharge refrigerant temperature detected by a discharge refrigerant temperature detector, or a value computed using the discharge refrigerant temperature, and causes refrigerant having a quality equal to or greater than 0.9 and less than or equal to 0.99 to be suctioned into a compressor.