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:
Dec. 24, 2024
Filed:
Dec. 03, 2019
Applicant:
Jiangsu Sujing Group Co., Ltd., Jiangsu, CN;
Inventors:
Hao Pan, Jiangsu, CN;
Xiaoliang Tang, Jiangsu, CN;
Dan Xiong, Jiangsu, CN;
Jun You, Jiangsu, CN;
Qiang Kang, Jiangsu, CN;
Xiaofei Song, Jiangsu, CN;
Assignee:
Jiangsu Sujing Group Co., Ltd., Jiangsu, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 7/00 (2006.01); F24D 19/10 (2006.01); F25B 9/00 (2006.01); F25B 49/02 (2006.01);
U.S. Cl.
CPC ...
F25B 7/00 (2013.01); F24D 19/1039 (2013.01); F25B 9/008 (2013.01); F25B 49/022 (2013.01); F25B 2600/0253 (2013.01); F25B 2600/11 (2013.01); F25B 2600/13 (2013.01); F25B 2600/19 (2013.01);
Abstract
A carbon dioxide overlapping type heating system and a control method therefor, in which the heating system includes a low-temperature-stage loop, high-temperature-stage loop and a heating loop, in which a temperature-stage compressor () and a high-temperature-stage compressor () are both variable-frequency compressors; and a water pump () is a variable-frequency water pump.