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:
Oct. 27, 2026

Filed:

May. 09, 2024
Applicant:

Trane International Inc., Davidson, NC (US);

Inventors:

Muthukumaran Rajendran, Chennai, IN;

Shriraj Nair, Bangalore, IN;

Jayakrishnan K, Kovilpatti, IN;

Brett R. Schneider, Tyler, TX (US);

Don A. Schuster, Lindale, TX (US);

Assignee:

Trane International Inc., Davidson, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 49/02 (2006.01); F25B 5/02 (2006.01); F25B 41/20 (2021.01);
U.S. Cl.
CPC ...
F25B 49/02 (2013.01); F25B 5/02 (2013.01); F25B 41/20 (2021.01); F25B 2400/0411 (2013.01);
Abstract

A method and apparatus for controlling a climate control system with a wet injection bypass line during heating mode for maintaining efficient operating temperatures and compressor ratio of a compressor at low ambient temperature. The process may include selectively routing a portion of a refrigerant through a wet-injection bypass line and controlling a flow rate of the portion of refrigerant flow through the wet-injection bypass line. Controlling the flow rate of the refrigerant flowing through the bypass line includes adjusting a valve or valves coupled the at least one wet-injection bypass line or multiple wet-injection bypass lines based on measured parameters of the refrigerant fluid, outdoor conditions, indoor conditions, and the operating map for the compressor.


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Rajendran, Muthukumaran. (2026). Method of flow control for low ambient heat pump using wet injection circuit (U.S. Patent No. 12774838). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12774838

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