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:
Nov. 22, 2022

Filed:

Sep. 10, 2020
Applicant:

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

Inventors:

Hao Zhao, Shanghai, CN;

Xi Feng, Shanghai, CN;

Shuguang Zhang, Shanghai, CN;

Jun Cao, Shanghai, CN;

Huanan Li, Shanghai, CN;

Shuang Lu, Shanghai, CN;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 17/12 (2006.01); F04D 17/10 (2006.01); F04D 25/06 (2006.01); F04D 29/056 (2006.01); F04D 29/063 (2006.01); F04D 29/42 (2006.01); F04D 29/44 (2006.01);
U.S. Cl.
CPC ...
F04D 17/122 (2013.01); F04D 17/10 (2013.01); F04D 25/0606 (2013.01); F04D 29/056 (2013.01); F04D 29/063 (2013.01); F04D 29/4206 (2013.01); F04D 29/441 (2013.01);
Abstract

A centrifugal compressor and a refrigerating device. The compressor includes: a shell, which has a fluid inlet at a first position of the shell, and a fluid outlet at a second position of the shell, a motor assembly, which is arranged in the shell and includes a stator and a rotor, the rotor including a vertically arranged rotor shaft, and the rotor shaft including a lower end and an upper end; a centrifugal compression mechanism, an impeller of which is connected with the rotor shaft so as to be driven by the motor assembly; and a guide member, which is located above the centrifugal compression mechanism, and which defines a flow passage alone or together with a top part of the shell.


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