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:
Nov. 01, 2022
Filed:
Dec. 10, 2018
Applicant:
Danfoss (Tianjin) Ltd., Tianjin, CN;
Inventors:
Assignee:
Danfoss (Tianjin) Ltd., Tianjin, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 49/02 (2006.01); F25B 13/00 (2006.01); F25B 31/00 (2006.01);
U.S. Cl.
CPC ...
F25B 49/022 (2013.01); F25B 13/00 (2013.01); F25B 31/008 (2013.01); F25B 2600/25 (2013.01); F25B 2600/2515 (2013.01); F25B 2700/151 (2013.01); F25B 2700/193 (2013.01); F25B 2700/21152 (2013.01);
Abstract
Embodiments of the disclosure provide a controller for a compressor and a control method, a compressor assembly, and a refrigeration system, which improve control efficiency and reliability. The controller includes an obtaining module configured to obtain at least one operation state parameter of the compressor, and a controlling module configured to shut off a liquid injection valve if one of the at least one operation state parameter of the compressor meets a protection action condition, wherein the liquid injection valve is configured to regulate flow of fluid injected into the compressor.