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. 29, 2022

Filed:

Aug. 26, 2019
Applicant:

Arkema France, Colombes, FR;

Inventor:

Wissam Rached, Colombes, FR;

Assignee:

ARKEMA FRANCE, Colombes, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 5/00 (2006.01); F25B 25/00 (2006.01); C09K 5/04 (2006.01); F25B 29/00 (2006.01);
U.S. Cl.
CPC ...
F25B 25/005 (2013.01); C09K 5/044 (2013.01); F25B 29/003 (2013.01); C09K 2205/122 (2013.01); C09K 2205/126 (2013.01); F25B 2400/121 (2013.01);
Abstract

A process for conditioning air, by means of a main circuit, the main circuit being a vapor compression circuit, wherein a first refrigerant circulates, and a secondary circuit with no compressor, wherein a non-flammable second refrigerant including a hydrofluoroolefin and/or a hydrochlorofluoroolefin circulates, the main circuit and the secondary circuit being coupled to one another; the process including a heat exchange between the surroundings and the first refrigerant, a heat exchange between the first and second refrigerants, and a heat exchange between the second refrigerant and the air to be conditioned. Also, an air conditioning plant for implementing the process.


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