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:

Mar. 29, 2024
Applicant:

Thermo King Llc, Minneapolis, MN (US);

Inventor:

Sean Francis, Cologne, MN (US);

Assignee:

THERMO KING LLC, Minneapolis, MN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60H 1/00 (2006.01);
U.S. Cl.
CPC ...
B60H 1/00885 (2013.01); B60H 1/00735 (2013.01); B60H 2001/00942 (2013.01);
Abstract

A method for controlling a climate control circuit includes detecting one or more operating parameters of an evaporator expansion valve ('EXV') in the climate control circuit, and determining operation stability of the EXV based on the one or more operating parameters of the EXV. The method also includes opening a bypass pathway in response to determining the operation of the EXV is unstable, the bypass pathway includes an intermediate heat exchanger and a second expansion valve disposed in parallel with the first expansion valve, such that the intermediate heat exchanger cools a first portion of the working fluid flowing into the EXV using a second portion of the working fluid. A climate control system includes a climate control circuit, one or more sensors for the climate control circuit, and a climate controller to control the climate control circuit based on stability of an EXV in the climate control circuit.


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Francis, Sean. (2026). Evaporator expansion valve stablization (U.S. Patent No. 12773890). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12773890

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