Differential alpha variable area metering

    公开(公告)号:US11492972B2

    公开(公告)日:2022-11-08

    申请号:US16730570

    申请日:2019-12-30

    Abstract: An annular fluid flow control or metering device comprises: first and second annular plates disposed in an annular flow path, the first annular plate and second annular plates being made of different first and second materials, the first annular plate having a lower first coefficient of thermal expansion than a second coefficient of thermal expansion of the second annular plate, the first annular plate abutting or in contact with the second annular plate, the first annular plate including at least one first metering aperture, and the second annular plate being more thermally responsive than the first annular plate wherein the second annular plate being configured to radially grow and shrink to at least partly obstruct the at least one first metering aperture for metering or controlling a flow of fluid through the at least one first metering aperture.

    SCAVENGE TUBE FOR A GAS TURBINE ENGINE
    7.
    发明申请

    公开(公告)号:US20180274379A1

    公开(公告)日:2018-09-27

    申请号:US15466078

    申请日:2017-03-22

    Abstract: A scavenge tube for conveying oil within an engine. The scavenge tube includes an outer tube and an inner tube. The outer tube defines a first surface and the inner tube defines a second surface. The inner tube is configured to be fluidly connected to a source for oil. A space that is defined between the outer tube and the inner tube such that the first surface opposes the second surface. A plurality of bumps is positioned within the space such that each bump extends from one of the first surface and the second surface and extends toward the opposing surface.

    VEHICLE HEAT EXCHANGER SYSTEM
    9.
    发明公开

    公开(公告)号:US20230271714A1

    公开(公告)日:2023-08-31

    申请号:US18311985

    申请日:2023-05-04

    CPC classification number: B64D33/12 B64C1/34

    Abstract: A vehicle is provided including a structure including a skin defining an outside surface exposed to ambient cooling flow and an inside surface. The structure includes a first structural member extending from the inside surface of the skin and a second structural member extending from the inside surface of the skin; and a thermal management system including a heat exchanger assembly positioned adjacent to, and in thermal communication with, the inside surface of the skin, the heat exchanger assembly positioned at least partially between the first and second structural members of the structure.

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