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:
Mar. 31, 2026
Filed:
May. 22, 2020
Carrier Corporation, Palm Beach Gardens, FL (US);
Biao Shu, Shanghai, CN;
CARRIER CORPORATION, Palm Beach Gardens, FL (US);
Abstract
A lubricant recovery system for a heat exchange system, and a heat exchange system. The heat exchange system includes a compressor, a condenser, an expansion device and an evaporator connected in sequence to form a loop, and further includes a reservoir for storing lubricant and in communication with the compressor, and the lubricant recovery system includes: a first flow path disposed between a suction chamber of the compressor and the reservoir, and having a first pump and a first filter, wherein the first pump is configured to pump a part of the lubricant in the suction chamber to the reservoir, and the first filter is disposed upstream of the first pump for filtering the lubricant; and/or a second flow path disposed between the evaporator and the suction chamber, and having a second pump and a second filter.