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    HEAT-TRANSFER FLUID FOR A CENTRIFUGAL COMPRESSOR
    43.
    发明申请
    HEAT-TRANSFER FLUID FOR A CENTRIFUGAL COMPRESSOR 审中-公开

    公开(公告)号：US20180079943A1

    公开(公告)日：2018-03-22

    申请号：US15343664

    申请日：2016-11-04

    Applicant: ARKEMA FRANCE

    Inventor： Wissam RACHED

    IPC: C09K5/04 ,  F25B45/00 ,  F25B31/02

    CPC classification number: C09K5/045 ,  C09K2205/122 ,  C09K2205/126 ,  C09K2205/22 ,  C09K2205/40 ,  F25B1/053 ,  F25B31/026 ,  F25B45/00 ,  F25B2400/07 ,  F25B2400/121

    Abstract: A process for cooling or heating a fluid or a body by means of a vapour compression circuit including a centrifugal compressor and containing a heat-transfer fluid, the heat-transfer fluid including at least two compounds selected from 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene, 1,1,1,2-tetrafluoropropene, 1,1-difluoroethane and 3,3,3-trifluoropropene, in which: the ratio of the Mach number of the centrifugal compressor to the Mach number which the centrifugal compressor has under the same operating conditions if the heat-transfer fluid is replaced with 1,1,1,2-tetrafluoroethane in the vapour compression circuit is greater than or equal to 0.97 and less than or equal to 1.03; the compression ratio of the centrifugal compressor is less than or equal to the compression ratio which the centrifugal compressor has under the same operating conditions if the heat-transfer fluid is replaced with 1,1,12-tetrafluorethane in the vapour compression circuit.

    SYSTEM FOR CONTROLLING A RANKINE CYCLE
    44.
    发明申请
    SYSTEM FOR CONTROLLING A RANKINE CYCLE 审中-公开

    公开(公告)号：US20170122134A1

    公开(公告)日：2017-05-04

    申请号：US15319202

    申请日：2015-06-08

    Applicant: ARKEMA FRANCE

    Inventor： Wissam RACHED

    IPC: F01K25/08 ,  F01K7/16

    CPC classification number: F01K25/08 ,  F01K7/165

    Abstract: A system for producing electricity, including a closed circuit of heat-transfer fluid which includes an evaporator, an expansion member, a condenser and a circulation pump, a generator being coupled to the expansion member, in which system a liquid-vapour separator provided with a liquid reservoir is positioned between the evaporator and the expansion member, the system being further provided with a control device configured to empty the reservoir if the liquid level in the reservoir reaches a maximum threshold.

    HEAT TRANSFER FLUID REPLACING R-134a
    45.
    发明申请
    HEAT TRANSFER FLUID REPLACING R-134a 审中-公开
    换热流体换热器R-134a

    公开(公告)号：US20160355718A1

    公开(公告)日：2016-12-08

    申请号：US15238883

    申请日：2016-08-17

    Applicant: ARKEMA FRANCE

    Inventor： Wissam RACHED

    IPC: C09K5/04 ,  F25B45/00

    CPC classification number: C09K5/045 ,  C09K2205/126 ,  C09K2205/22 ,  C09K2205/40 ,  F25B9/006 ,  F25B45/00 ,  F25B2400/18

    Abstract: A heat transfer method using ternary composition containing 2,3,3,3-tetrafluoropropene, 1,1-difluoroethane and difluoromethane, as a heat transfer fluid in refrigeration systems, to replace R-134a. 1. A method of modifying a heat transfer system containing R-134a comprising removing R-134a and adding a composition comprising a refrigerant consisting essentially of: 70 to 88 wt % of 2,3,3,3-tetrafluoropropene; 4 to 16 wt % of difluoromethane; 8 to 14 wt % of 1,1-difluoroethane; and optionally, a stabilizer.

    Abstract translation: 使用含有2,3,3,3-四氟丙烯，1,1-二氟乙烷和二氟甲烷的三元组合物作为制冷系统中的传热流体的热传递方法来代替R-134a。 1.一种修饰含有R-134a的传热系统的方法，包括除去R-134a并加入包含基本上由以下组成的制冷剂的组合物：70-88重量％的2,3,3,3-四氟丙烯; 4至16重量％的二氟甲烷; 8〜14重量％的1,1-二氟乙烷; 和任选的稳定剂。

    TERNARY HEAT-TRANSFER FLUIDS COMPRISING DIFLUOROMETHANE, PENTAFLUOROETHANE AND TETRAFLUOROPROPENE
    47.
    发明申请
    TERNARY HEAT-TRANSFER FLUIDS COMPRISING DIFLUOROMETHANE, PENTAFLUOROETHANE AND TETRAFLUOROPROPENE 有权
    包含二氟甲磺酸，四氢呋喃和四氢呋喃的三次热转移液

    公开(公告)号：US20150184052A1

    公开(公告)日：2015-07-02

    申请号：US14645066

    申请日：2015-03-11

    Applicant: Arkema France

    Inventor： Wissam RACHED

    IPC: C09K5/04 ,  F25B45/00

    CPC classification number: F25B45/00 ,  C09K5/045 ,  C09K2205/122 ,  C09K2205/126 ,  C09K2205/22 ,  C09K2205/40

    Abstract: A ternary composition including: from 5 to 50% of difluoromethane; from 2 to 20% of pentafluoroethane; and from 30 to 90% of tetrafluoropropene. The tetrafluoropropene may be 1,3,3,3-tetrafluoropropene or 2,3,3,3-tetrafluoropropene. This composition can be used as a heat-transfer fluid in vapor compression circuit. A process for heating or cooling a fluid or a body using a vapor compression circuit containing a heat transfer fluid, said process successively including evaporation of the heat transfer fluid, compression of the heat transfer fluid, condensation of the heat fluid and depressurization of the heat transfer fluid, in which the heat transfer fluid is a composition as described.

    Abstract translation: 三元组合物，包括：5至50％的二氟甲烷; 2至20％的五氟乙烷; 和30〜90％的四氟丙烯。 四氟丙烯可以是1,3,3,3-四氟丙烯或2,3,3,3-四氟丙烯。 该组合物可用作蒸汽压缩回路中的传热流体。 一种使用包含传热流体的蒸汽压缩回路来加热或冷却流体或者主体的方法，所述方法依次包括传热流体的蒸发，传热流体的压缩，热流体的冷凝和热量的减压 传递流体，其中传热流体是所述的组合物。

    USE OF TERNARY COMPOSITIONS
    48.
    发明申请
    USE OF TERNARY COMPOSITIONS 审中-公开
    三元组合物的使用

    公开(公告)号：US20140318160A1

    公开(公告)日：2014-10-30

    申请号：US14329556

    申请日：2014-07-11

    Applicant: ARKEMA FRANCE

    Inventor： Wissam RACHED

    IPC: C09K5/04

    CPC classification number: C09K5/045 ,  C09K2205/122 ,  C09K2205/126 ,  C09K2205/22 ,  F25B9/006 ,  F25B43/02

    Abstract: The use of a ternary composition of 2,3,3,3-tetrafluoropropene, 1,1,1,2-tetrafluoroethane and difluoromethane, as a heat-transfer fluid, in compression refrigeration systems with exchangers operating in counterflow mode or in cross-flow mode with counterflow tendency. A heat-transfer process in which a ternary composition of 2,3,3,3-tetrafluoropropene, 1,1,1,2-tetrafluoroethane and difluoromethane is used as a refrigerant in compression systems with exchangers operating in counterflow mode or in cross-flow mode with counterflow tendency.

    Abstract translation: 使用2,3,3,3-四氟丙烯，1,1,1,2-四氟乙烷和二氟甲烷的三元组成作为传热流体，在具有逆流模式或交叉运行的交换器的压缩制冷系统中， 流动模式具有逆流倾向。 使用2,3,3,3-四氟丙烯，1,1,1,2-四氟乙烷和二氟甲烷的三元组成的热转移方法用作具有逆流模式或交叉运行的交换器的压缩系统中的制冷剂， 流动模式具有逆流倾向。

    COMPOSITION BASED ON 1,3,3,3-TETRAFLUOROPROPENE
    50.
    发明申请
    COMPOSITION BASED ON 1,3,3,3-TETRAFLUOROPROPENE 审中-公开

    公开(公告)号：US20200339855A1

    公开(公告)日：2020-10-29

    申请号：US16927242

    申请日：2020-07-13

    Applicant: ARKEMA FRANCE

    Inventor： Wissam RACHED ,  Beatrice BOUSSAND

    IPC: C09K5/04 ,  C10M171/00

    Abstract: A composition including a lubricant based on polyol esters (POEs) or PVE and a refrigerant F including from 1 to 99% by weight of trans-1,3,3,3-tetrafluoropropene (trans-HFO-1234ze) and from 1 to 99% by weight of 1,1,1,2-tetrafluoroethane. Also, the use of the composition including a lubricant and refrigerant in refrigeration, air conditioning and heat pumps.

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