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:
Sep. 19, 2023

Filed:

Apr. 12, 2022
Applicant:

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

Inventors:

Shaojuan Si, Shanghai, CN;

Haiping Ding, Shanghai, CN;

Michael Stark, Mooresville, NC (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 49/02 (2006.01); F25B 41/34 (2021.01); F25B 41/385 (2021.01); F25B 41/31 (2021.01); F25B 41/20 (2021.01);
U.S. Cl.
CPC ...
F25B 41/34 (2021.01); F25B 41/20 (2021.01); F25B 41/31 (2021.01); F25B 41/385 (2021.01); F25B 49/02 (2013.01); F25B 2400/13 (2013.01); F25B 2600/2513 (2013.01); F25B 2700/04 (2013.01);
Abstract

A refrigeration system, comprising a compressor, a condenser, a throttle flow path, and an evaporator connected in sequence, wherein a non-adjustable main throttle element is disposed in the throttle flow path; and further comprising a bypass flow path, wherein the bypass flow path is connected to the throttle flow path respectively at the upstream and downstream of the main throttle element, and provided with an adjustable auxiliary throttle element thereon; a liquid level sensor, disposed upstream and/or downstream of the throttle flow path, and configured to detect the liquid level; and a controller, wherein the controller is configured to control the opening of the auxiliary throttle element according to a liquid level signal from the liquid level sensor.


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