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.

Date of Patent:
Jan. 23, 2024

Filed:

Jun. 10, 2022
Applicant:

Carrier Corporation, Palm Beach Gardens, FL (US);

Inventors:

Kai Deng, Shanghai, CN;

Vishnu Sishtla, Palm Beach Gardens, FL (US);

Jun Cao, Shanghai, CN;

Yuchang Shac, Shanghai, CN;

Assignee:

CARRIER CORPORATION, Palm Beach Gardens, FL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 27/02 (2006.01); F04D 17/10 (2006.01); F04D 27/00 (2006.01);
U.S. Cl.
CPC ...
F04D 17/10 (2013.01); F04D 27/004 (2013.01); F04D 27/0246 (2013.01); F04D 27/0261 (2013.01); F04D 27/0253 (2013.01); F05D 2250/51 (2013.01);
Abstract

A control method for a centrifugal compressor and an air conditioning system. The control method for the centrifugal compressor includes: S, when an inlet opening of the centrifugal compressor is below a first preset value, shutting down a drive motor of the centrifugal compressor; or S, when the inlet opening of the centrifugal compressor is not below the first preset value, performing the following operations in a preset order: decreasing the inlet opening of the centrifugal compressor, and increasing a rotate speed of the centrifugal compressor.


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