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:
Jun. 22, 2021
Filed:
Mar. 21, 2019
Hitachi-johnson Controls Air Conditioning, Inc., Tokyo, JP;
Atsuhiko Yokozeki, Tokyo, JP;
Koji Naito, Tokyo, JP;
Kazuhito Sekiba, Tokyo, JP;
Shoutaro Yamamoto, Tokyo, JP;
Hiroaki Kaneko, Tokyo, JP;
Kazuhiko Tani, Tokyo, JP;
HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC., Tokyo, JP;
Abstract
To achieve higher efficiency at a low-load region and to enable power saving throughout a year. The refrigeration cycle apparatusincludes a compressorthat has a flow in/out portthrough which a refrigerant is capable of flowing out and flowing in, in fluid communication with a compression room; pipesdisposed at a suction side of the compressor; a pipeconnected to the flow in/out portof the compressor; a pipethat has one end connected to the pipeand an opposite end connected to the pipe; and a second solenoid valvefor opening and closing a fluid passage of the pipe