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    Low GWP heat transfer compositions
    2.
    发明授权
    Low GWP heat transfer compositions 有权

    公开(公告)号：US10035937B2

    公开(公告)日：2018-07-31

    申请号：US14703128

    申请日：2015-05-04

    申请人： HONEYWELL INTERNATIONAL INC.

    发明人： Samuel F. Yana Motta ,  Gustavo Pottker ,  Mark W. Spatz

    IPC分类号： C09K5/04

    CPC分类号： C09K5/045 ,  C09K2205/106 ,  C09K2205/122 ,  C09K2205/126 ,  C09K2205/22 ,  C09K2205/40

    摘要： The present invention relates, in part, to heat transfer compositions, methods, and uses thereof that include (a) from about 17% to about 40% by weight of HFC-32; (b) from about 51% to about 83% by weight of a tetrafluoropropene; and (c) from greater than about 0% to less than about 9% by weight of CO2. The amount of component (c) improves one or more of a capacity, efficiency, discharge temperature, discharge pressure, and/or energy consumption of the composition, particularly in a low or medium temperature refrigeration system and as compared to composition lacking component (c) and/or the refrigerant R-404A.

    LOW GWP CASCADE REFRIGERATION SYSTEM
    7.
    发明申请
    LOW GWP CASCADE REFRIGERATION SYSTEM 审中-公开

    公开(公告)号：US20190331366A1

    公开(公告)日：2019-10-31

    申请号：US16404246

    申请日：2019-05-06

    申请人： Honeywell International Inc.

    发明人： Samuel F. Yana Motta ,  Michael Petersen ,  Ankit Sethi ,  Gustavo Pottker ,  Elizabet Del Carmen Vera Becerra

    IPC分类号： F25B9/10 ,  F25B7/00 ,  F25B9/00 ,  F25B40/00

    摘要： Disclosed are cascade refrigerant systems for providing cooling of air located in an enclosure that is occupied by or which will be exposed to humans or other animals during normal use, wherein systems includes; (1) a first, relatively low temperature heat transfer circuit having a first evaporator located within the enclosure and a first heat transfer fluid in the low temperature heat transfer circuit; (2) a second heat transfer circuit located substantially outside the enclosure comprising a second heat transfer fluid; (3) a heat exchanger which serves as the condenser in the low temperature circuit thermally coupled with the high temperature circuit by virtue of rejecting heat into the second heat transfer fluid; and (4) in the high temperature loop of a heat exchanger which transfers heat from the second heat transfer fluid exiting from a high temperature condenser to the portion of the second heat transfer fluid which is traveling to the suction side of the compressor.