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. 31, 2021
Filed:
Oct. 31, 2016
Mitsubishi Electric Corporation, Tokyo, JP;
Hirofumi Matsuda, Tokyo, JP;
Satoru Yanachi, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A refrigeration cycle apparatus refrigeration cycle apparatus in which refrigerant circulates in an order of a compressor, an oil separator, a condenser, an expansion valve, an evaporator, and an accumulator. The refrigeration cycle apparatus includes: an oil returning path extending from the oil separator to the compressor; a first electromagnetic valve provided on the oil returning path; an oil returning path extending from the accumulator to the compressor; a second electromagnetic valve provided on the oil returning path; and a controller configured to control a degree of opening of the first electromagnetic valve and a degree of opening of the second electromagnetic valve.