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US 2026/0202102 A1Published application
Heat transfer compositions, methods and systems
AssigneeSolstice Advanced Materials US, Inc.
InventorsBruno Yuji Kimura de Carvalho, Nitin Karwa, Nilesh Purohit, Ryan J. Hulse
Life of this patent
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Abstract
The present invention relates refrigerants which include HFO-1132(E), HFC-161, and R-290, and the use of such refrigerants in high transfer applications.
Claims20
A refrigerant comprising:
- a. from about 16% to about 35% by weight of HFO-1132 (E);
- b. from about 32% to about 52% by weight of HFC-161;
- and
- c. from about 42% to about 60% by weight of R-290.
1 more element
A heat transfer composition comprising:
- a. refrigerant comprising:
- i. from about 16% to about 35% by weight of HFO-1132 (E);
- ii. from about 32% to about 52% by weight of HFC-161;
- and
- iii. from about 42% to about 60% by weight of R-290;
- and
- b. at least one lubricant.
4 more elements
A method for replacing the refrigerant in a heat transfer system containing or designed to contain R-290, said method comprising using, instead of R-290, in said heat transfer system a refrigerant comprising:
- i. from about 16% to about 35% by weight of HFO-1132 (E);
- ii. from about 32% to about 52% by weight of HFC-161;
- and
- iii. from about 42% to about 60% by weight of R-290.
1 more element
Dependencies are inferred from the claim text.