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    DUAL-COMPRESSOR VAPOR CYCLE SYSTEM
    1.
    发明公开
    DUAL-COMPRESSOR VAPOR CYCLE SYSTEM 审中-公开

    公开(公告)号：EP4434890A1

    公开(公告)日：2024-09-25

    申请号：EP24161097.1

    申请日：2024-03-04

    申请人： Honeywell International Inc.

    发明人： JUNG, Sung-Han ,  NIKBIN, Siamak ,  ROBLES, Daniel R.

    IPC分类号： B64D13/06 ,  B60H1/32

    CPC分类号： B64D13/06 ,  B64D2013/06420130101 ,  B64D2013/064420130101 ,  B64D2013/065120130101 ,  B60H1/323

    摘要： A vapor cycle cooling system includes first and second compressor (112B) systems in parallel with one another, each compressor system including a motor, a motor controller (180, 280, 380, 480), and a first compressor (112A, 212A) in series with a second compressor (112B);
    a condenser (102, 202, 302) fluidically coupled to each compressor system;
    a filter drier (138, 238, 338), in series with, and fluidically coupled to the condenser (102, 202, 302);
    a first expansion device in series with, and fluidically coupled to, a flash heat exchanger (106, 206), the flash heat exchanger (106, 206) fluidically coupled to a second expansion device, the second expansion device fluidically coupled to a first evaporator (266), the first evaporator (266) fluidically coupled to each compressor system;
    a system controller (180, 280, 380, 480) electrically coupled to each motor controller (180, 280, 380, 480);
    and a motor and motor controller (180, 280, 380, 480) cooling loop fluidically coupled to the filter drier (138, 238, 338) and each motor, wherein the vapor cycle cooling system is configured to cool one or more thermal loads (264) for a vehicle.

    AIR CYCLE MACHINE BYPASS DUCT
    8.
    发明公开
    AIR CYCLE MACHINE BYPASS DUCT 审中-公开

    公开(公告)号：EP4400424A1

    公开(公告)日：2024-07-17

    申请号：EP24151422.3

    申请日：2024-01-11

    申请人： Hamilton Sundstrand Corporation

    发明人： BEERS, Craig M. ,  PALIULIS, John H. ,  COLSON, Darryl

    IPC分类号： B64D13/06

    CPC分类号： B64D13/06 ,  B64D2013/066220130101

    摘要： An environmental control system includes a rotary machine, a first bypass duct (440), and a first check valve in the first bypass duct (440). The rotary machine includes a compressor section (232, 332) and a first turbine section. Each section of the rotary machine includes an inlet, an outlet, a duct extending between the inlet and the outlet, and an impeller in the duct. The rotary machine also includes a tie rod mechanically connecting the compressor impeller (86) and the first turbine impeller. The first bypass duct (440) is between the compressor section (232, 332) and the first turbine inlet. The check valve opens the first bypass duct (440) when an air pressure in the compressor inlet (80) is higher than an air pressure in the first turbine inlet.