TEMPERATURE COMPENSATED SHOCK STRUT VISUAL HEALTH INDICATOR SYSTEMS AND METHODS

    公开(公告)号:US20230358290A1

    公开(公告)日:2023-11-09

    申请号:US17848164

    申请日:2022-06-23

    CPC classification number: F16F9/3264 F16F9/38 B64C25/60

    Abstract: A temperature compensating shock strut health indicator system for use with a shock strut comprises a visual indicator comprising a plurality of sectors and a pointer configured to rotate with respect to the visual indicator to point to one of the plurality of sectors. The sector to which the pointer points to is dependent on the shock strut stroke (i.e., the position of the piston with respect to the cylinder). In various embodiments, the visual indicator includes various rings that correspond to a different temperature compensated ideal stroke whereby a crew member can correspond the pointer to the appropriate ring depending on ambient temperature. In various embodiments, the pointer comprises a temperature sensitive material configured to cause the pointer to rotate with respect to the visual indicator to actively compensate for temperature.

    COUNTERBALANCED RETRACT ACTUATOR FOR LANDING GEAR

    公开(公告)号:US20240336353A1

    公开(公告)日:2024-10-10

    申请号:US18745279

    申请日:2024-06-17

    CPC classification number: B64C25/22 F15B15/20

    Abstract: An aircraft landing gear actuation system which uses two separate actuation forces to retract aircraft landing gear is disclosed. One of the actuation forces may be provided by an actuator, such as a hydraulic actuator. Another of these actuation forces may be provided by a pressurized fluid that is directed into the actuator through a conduit that extends into a hollow interior of an actuator rod of the actuator. The pressurized fluid may be provided from a pressurized fluid source that contains a fixed volume of pressurized fluid. This pressurized fluid may exert a force on an actuator piston of the actuator or the actuator rod. The pressurized fluid may also be used to dampen the deployment of the landing gear.

    NOSE WHEEL STEERING SYSTEMS AND METHODS
    4.
    发明公开

    公开(公告)号:US20230182891A1

    公开(公告)日:2023-06-15

    申请号:US17549144

    申请日:2021-12-13

    CPC classification number: B64C25/50 B62D5/22

    Abstract: A rack assembly for a rack and pinion gear system may comprise: a rack housing; and a rack disposed within the rack housing, the rack and the rack housing at least partially defining a first hydraulic chamber disposed between a first side of the rack and the rack housing, a second hydraulic chamber disposed between a second side of the rack and the rack housing, a third hydraulic chamber disposed within the rack proximal the first hydraulic chamber, and a fourth hydraulic chamber disposed within the rack proximal the second hydraulic chamber.

    COUNTERBALANCED RETRACT ACTUATOR FOR LANDING GEAR

    公开(公告)号:US20230257109A1

    公开(公告)日:2023-08-17

    申请号:US17673521

    申请日:2022-02-16

    CPC classification number: B64C25/22 F15B15/20

    Abstract: An aircraft landing gear actuation system which uses two separate actuation forces to retract aircraft landing gear is disclosed. One of the actuation forces may be provided by an actuator, such as a hydraulic actuator. Another of these actuation forces may be provided by a pressurized fluid that is directed into the actuator through a conduit that extends into a hollow interior of an actuator rod of the actuator. The pressurized fluid may be provided from a pressurized fluid source that contains a fixed volume of pressurized fluid. This pressurized fluid may exert a force on an actuator piston of the actuator or the actuator rod. The pressurized fluid may also be used to dampen the deployment of the landing gear.

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