Air cycle machines and methods of communicating fluid through air cycle machines

    公开(公告)号:US11454425B2

    公开(公告)日:2022-09-27

    申请号:US16810033

    申请日:2020-03-05

    IPC分类号: F25B9/00 B64D13/06 F25B9/06

    摘要: An air cycle machine includes a housing, a scavenging turbine, and an ambient air fan. The housing has an exterior wall defining an overboard air inlet, an ambient air inlet, and an ambient air outlet. The scavenging turbine is arranged within the housing, is supported for rotation about a rotation axis, and is in fluid communication with the overboard air inlet. The ambient air fan is arranged within the housing, is supported for rotation about the rotation axis within the housing, and has a radially inner spoked portion and radially outer bladed portion. The bladed portion of the ambient air fan fluidly couples the ambient air inlet to the ambient air outlet and the spoked portion of the ambient air fan fluidly couples the scavenging turbine to the ambient air fan within the housing. Environmental control systems and fluid communication methods are also described.

    Heat exchanger vane with partial height airflow modifier

    公开(公告)号:US11209223B2

    公开(公告)日:2021-12-28

    申请号:US16562638

    申请日:2019-09-06

    IPC分类号: F28F9/22 F28D9/00

    摘要: A heat exchanger includes a stack of flow conduits. Each flow conduit is configured to conduct a fluid. Parting sheets separate adjacent flow conduits in the stack, providing heat transfer between them. Each of the flow conduits includes vanes extending along a vane path and between top and bottom parting sheets. The vanes are separated from one another, thereby creating flow channels. Each flow conduit also includes a plurality of flow modifiers, each adjacent to a corresponding leading edge of a corresponding vane, so as to cause a disrupted portion of a fluid flow to be incident upon the corresponding leading edge. Each of the flow modifiers includes an aerodynamic portion and a gap portion. The aerodynamic portion extends from at least one of the top and bottom parting sheets. The aerodynamic portion does not connect the top and bottom parting sheets due to the gap portion.

    DIFFUSER WITH EXHAUST SHROUD
    5.
    发明申请

    公开(公告)号:US20210071536A1

    公开(公告)日:2021-03-11

    申请号:US16562975

    申请日:2019-09-06

    IPC分类号: F01D5/22 F01D9/04 B64D13/02

    摘要: Disclosed is a pressurization air conditioning arrangement, the arrangement having: a turbine including a housing and a rotor within the housing, wherein the rotor is a dual scroll and including an inner shroud separating a first set of rotor blades from a second set of rotor blades; a diffuser extending from an exhaust of the turbine; and an exhaust shroud within the diffuser, the exhaust shroud dividing the diffuser into an inner diffuser passage and an outer diffuser passage.

    HEAT EXCHANGER VANE WITH PARTIAL HEIGHT AIRFLOW MODIFIER

    公开(公告)号:US20210071968A1

    公开(公告)日:2021-03-11

    申请号:US16562638

    申请日:2019-09-06

    IPC分类号: F28F9/22 F28D9/00

    摘要: A heat exchanger includes a stack of flow conduits. Each flow conduit is configured to conduct a fluid. Parting sheets separate adjacent flow conduits in the stack, providing heat transfer between them. Each of the flow conduits includes vanes extending along a vane path and between top and bottom parting sheets. The vanes are separated from one another, thereby creating flow channels. Each flow conduit also includes a plurality of flow modifiers, each adjacent to a corresponding leading edge of a corresponding vane, so as to cause a disrupted portion of a fluid flow to be incident upon the corresponding leading edge. Each of the flow modifiers includes an aerodynamic portion and a gap portion. The aerodynamic portion extends from at least one of the top and bottom parting sheets. The aerodynamic portion does not connect the top and bottom parting sheets due to the gap portion.

    FAN ROTOR FOR RAM AIR FAN
    9.
    发明申请

    公开(公告)号:US20190285083A1

    公开(公告)日:2019-09-19

    申请号:US15923749

    申请日:2018-03-16

    摘要: A fan rotor for a ram air fan includes a hub and blades extending radially outwards from the hub. The hub includes an inner hub portion, a disk portion connected to a radially outer surface of the inner hub portion, and an outer hub portion connected to a radially outer surface of the disk portion. The outer hub portion has an upstream arm with a compound contoured surface. The compound contoured surface is configured to direct air flow around the compound contoured surface and along roots of the blades.

    Electric motor and housing with integrated heat exchanger channels

    公开(公告)号:US11171535B2

    公开(公告)日:2021-11-09

    申请号:US16510413

    申请日:2019-07-12

    摘要: An embodiment of an electric motor assembly includes a stator assembly extending generally along the longitudinal axis and at least partially enclosing a rotor assembly also extending along the longitudinal axis. The rotor assembly includes a rotating portion and one or more sets of rotor windings. The stator assembly includes a stationary housing having at least an inner wall and an outer wall, and one or more sets of stator windings in electromagnetic communication with the one or more sets of rotor windings. A heat exchanger is integrally formed into the housing, and includes a plurality of dividing walls extending between the inner and outer housing walls. The plurality of dividing walls are arranged at least partially circumferentially around the longitudinal axis to define, with the inner and outer walls, a corresponding plurality of integral heat exchanger channels arranged at least partially circumferentially around the one or more sets of stator windings. A plurality of rib turbulators are disposed on at least a channel-facing surface of the inner wall.