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1. 发明公开

US20240150634A1 REFRIGERANTS HAVING LOW GWP, AND SYSTEMS FOR AND METHODS OF PROVIDING REFRIGERATION 审中-公开
公开(公告)号：US20240150634A1
公开(公告)日：2024-05-09
申请号：US18540930
申请日：2023-12-15
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Nilesh Purohit , Kaimi Gao , Patrick Birbarah , Ankit Sethi , Ryan Hulse
IPC分类号： C09K5/04 , F25B13/00
CPC分类号： C09K5/045 , F25B13/00 , C09K2205/106 , C09K2205/122 , C09K2205/126
摘要： Refrigerant comprising from about 15% to about 22% by weight of R-32; from about 61% to about 71.5% by weight of HF0-1234yf; from about 4% to about 14.5% by weight of HFO-1132(E); and from 1% to 4% by weight of CO2.

2. 发明申请

US20230070066A1 NONFLAMMABLE REFRIGERANTS HAVING LOW GWP, AND SYSTEMS FOR AND METHODS OF PROVIDING REFRIGERATION 有权
公开(公告)号：US20230070066A1
公开(公告)日：2023-03-09
申请号：US17872421
申请日：2022-07-25
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Nilesh Purohit , Gustavo Pottker , Ankit Sethi , Samuel Yana Motta
IPC分类号： C09K5/04
摘要： The present invention relates to a refrigerant composition comprising 75-80% by weight of HFO-1234ze(E), 6% to not greater than 12% by weight of HFC-134a and from 11% to about 17% by weight of HFO1336mzz(E), and to the use of the refrigerant in a heat exchange systems, including electronic cooling, low and medium temperature refrigeration and to the use of such compositions as a replacement of the refrigerant R-410A for heating and cooling applications.

3. 发明公开

US20240278362A1 METHOD OF FORMING REFRIGERANT SYSTEMS 审中-公开
公开(公告)号：US20240278362A1
公开(公告)日：2024-08-22
申请号：US18444805
申请日：2024-02-19
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Nilesh Purohit , Kaimi Gao , Ronald Vogl , Ankit Sethi , Ryan Hulse
IPC分类号： B23P15/26 , F25B1/00
CPC分类号： B23P15/26 , F25B45/00 , F25B1/00
摘要： Methods for forming an improved refrigeration system comprising: (a) providing an existing refrigeration circuit comprising an existing refrigerant having a GWP of greater than 1200, a plurality of evaporators in a refrigerated space containing products accessible to consumers, a rack of compressors and at least one condenser located remotely from the areas accessible to consumers; (b) disconnecting the fluid connection between the existing liquid refrigerant from said condenser and said evaporators; (c) disconnecting the fluid connection between said existing refrigerant vapor from said evaporators in step (b) and said suction of said compressor or compressor rack; and (d) establishing a new first refrigeration circuit comprising the compressor rack and said condenser; (e) establishing a new second refrigeration circuit comprising at least one of the evaporators by steps comprising: (i) removing the existing refrigerant from the evaporators and at least a portion of said conduits which have been disconnected in steps (b) and (c); and (ii) replacing the removed existing refrigerant with a second refrigerant comprising: (1) from about 30 to about 70% by weight of CF3I; (2) from about 9% to about 58% by weight of HFO-1234yf; (3) from 1% to about 21.5% by weight of HFC-32; and optionally (4) from 0.5% to 4% by weight of HFC-125, CO2 or a combination of HFC-125 and CO2.

4. 发明授权

US11827835B2 Refrigerant compositions and use thereof in systems using flooded evaporators 有权
公开(公告)号：US11827835B2
公开(公告)日：2023-11-28
申请号：US17518769
申请日：2021-11-04
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Gustavo Pottker , Nilesh Purohit , Samuel Yana Motta , Kaimi Gao , Ankit Sethi , Ryan Hulse
IPC分类号： C09K5/04 , F25B45/00
CPC分类号： C09K5/045 , F25B45/00 , C09K2205/122 , C09K2205/126 , C09K2205/22 , C09K2205/43
摘要： Method for retrofitting an existing heat transfer system comprising adding to said existing system a refrigerant consisting essentially of: (i) from about 25% to about 45% by weight of 1,1,1,2-tetrafluoroethane (HFC-134a); (ii) from 25% to about 35% by weight of trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)) and/or 2,3,3,3-tetrafluoropropene (HFO-1234yf); and (iii) from about 37% to about 46% by weight of a combination of difluoromethane (HFC-32) and pentafluoroethane (HFC-125), provided that the weight ratio of HFO-32:HFC-125 is from about 1.21:1 to about 0.8:1, wherein the refrigerant preferably is a non-flammable refrigerant having a GWP of 1350 or less.

5. 发明公开

US20240141220A1 REFRIGERANTS HAVING LOW GWP, AND SYSTEMS FOR AND METHODS OF PROVIDING REFRIGERATION 审中-公开
公开(公告)号：US20240141220A1
公开(公告)日：2024-05-02
申请号：US18540931
申请日：2023-12-15
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Nilesh Purohit , Kaimi Gao , Patrick Birbarah , Ankit Sethi , Ryan Hulse
IPC分类号： C09K5/04
CPC分类号： C09K5/045 , C09K2205/126
摘要： Refrigerant comprising from more than 84% to less than 91% by weight of HFO-1234yf; from more than 7% to less than 15% by weight of HFO-1132(E); and from more than 1% to 2.5% by weight of CO2.

6. 发明公开

US20240027114A1 METHOD OF FORMING REFRIGERANT SYSTEMS 审中-公开
公开(公告)号：US20240027114A1
公开(公告)日：2024-01-25
申请号：US18222781
申请日：2023-07-17
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Wissam Rached , Pawel Wisnik , Kaimi Gao , Nilesh Purohit , Ankit Sethi , Jean De Bernardi
IPC分类号： F25B45/00 , C09K5/04
CPC分类号： F25B45/00 , C09K5/045 , C09K2205/122 , C09K2205/126 , C09K2205/40 , C09K2205/22
摘要： Methods for improving a refrigeration systems comprising modifying the system and replacing existing refrigerant with a replacement refrigerant comprising: (1) at least about 50% by weight of R1234ze(E); (2) greater than 0% to about 11% of HFC-134a, HFC-134, HFC-227ea, HFC-125, and combinations of two or more of these; and (3) from about 4% to about 20% by weight of HFO-1336mzz(E), HFO-1224yd(Z), and combinations of these, wherein said second refrigerant: (i) has an Occupational Exposure Limit (OEL) greater than 400; (ii) is classified as class A1 by ASHRAE Standard 34; and (iii) has a GWP of about 150 or less.

7. 发明公开

US20230375230A1 NONFLAMMABLE REFRIGERANTS HAVING LOW GWP, AND SYSTEMS FOR AND METHODS OF PROVIDING REFRIGERATION 审中-公开
公开(公告)号：US20230375230A1
公开(公告)日：2023-11-23
申请号：US18198606
申请日：2023-05-17
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Nilesh Purohit , Kaimi Gao , Ankit Sethi , Ryan Hulse
IPC分类号： F25B7/00 , F25B9/00
CPC分类号： F25B7/00 , F25B9/006 , F25B2400/12
摘要： The present invention provides cascade refrigeration systems in which the low stage comprises a refrigerant with a GWP less than 150, and the high stage comprises a refrigerant that is either Class A1 or Class A2L and comprises at least about 75% by weight of HFO-1234ze(E).

8. 发明公开

US20240392178A1 NONFLAMMABLE REFRIGERANTS HAVING LOW GWP, AND SYSTEMS FOR AND METHODS OF PROVIDING REFRIGERATION 审中-公开
公开(公告)号：US20240392178A1
公开(公告)日：2024-11-28
申请号：US18615590
申请日：2024-03-25
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Nilesh Purohit , Kaimi Gao , Ankit Sethi , Ryan Hulse
IPC分类号： C09K5/04 , F25B9/10
CPC分类号： C09K5/045 , F25B9/10 , C09K2205/126 , C09K2205/22 , F25B2400/121
摘要： The present invention provides cascade refrigeration systems in which the low stage consists essentially of R454A and the high stage comprises a refrigerant that is either Class A1 or Class A2L and comprises at least about 75% by weight of HFO-1234ze(E).

9. 发明公开

US20240191118A1 REFRIGERANT COMPOSITIONS AND USE THEREOF IN SYSTEMS USING FLOODED EVAPORATORS 审中-公开
公开(公告)号：US20240191118A1
公开(公告)日：2024-06-13
申请号：US18382235
申请日：2023-10-20
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Gustavo Pottker , Nilesh Purohit , Samuel Yana Motta , Kaimi Gao , Ankit Sethi , Ryan Hulse
IPC分类号： C09K5/04 , F25B45/00
CPC分类号： C09K5/045 , F25B45/00 , C09K2205/122 , C09K2205/126 , C09K2205/22 , C09K2205/43
摘要： Method for retrofitting an existing heat transfer system comprising adding to said existing system a refrigerant consisting essentially of: (i) from about 25% to about 45% by weight of 1,1,1,2-tetrafluoroethane (HFC-134a); (ii) from 25% to about 35% by weight of trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)) and/or 2,3,3,3-tetrafluoropropene (HFO-1234yf); and (iii) from about 37% to about 46% by weight of a combination of difluoromethane (HFC-32) and pentafluoroethane (HFC-125), provided that the weight ratio of HFO-32:HFC-125 is from about 1.21:1 to about 0.8:1, wherein the refrigerant preferably is a non-flammable refrigerant having a GWP of 1350 or less.

10. 发明公开

US20230374362A1 Refrigeration Systems and Methods 审中-公开
公开(公告)号：US20230374362A1
公开(公告)日：2023-11-23
申请号：US18200086
申请日：2023-05-22
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Kaimi Gao , Nilesh Purohit , Ankit SETHI , Nitin Karwa , Samuel F. YANA MOTTA , Gustavo POTTKER
IPC分类号： C09K5/04 , F25B9/00 , F25B9/10
CPC分类号： C09K5/045 , F25B9/006 , F25B9/10 , C09K2205/22 , C09K2205/126 , C09K2205/122 , C09K2205/40
摘要： Disclosed are refrigerants and refrigeration systems, including cascade refrigeration sysemsar comprising: a plurality of refrigeration units, each refrigeration unit containing a first refrigeration circuit, each first refrigeration circuit comprising an evaporator and a heat exchanger; and a second refrigeration circuit; wherein each first circuit heat exchanger is arranged to transfer heat energy between its respective first refrigeration circuit and the second refrigeration circuit.

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