Gas turbine engine power setting
    2.
    发明授权

    公开(公告)号:US11236635B2

    公开(公告)日:2022-02-01

    申请号:US16423461

    申请日:2019-05-28

    申请人: ROLLS-ROYCE plc

    摘要: A method of calibrating a gas turbine engine having a propulsive fan, and an engine core, the method including: measuring a total thrust generated by the engine; measuring the thrust generated by the engine core; measuring first and second engine performance parameters; based on the total thrust and engine core thrust, determining a thrust generated by the propulsive fan; providing a first power setting parameter associating the fan thrust with the first engine performance parameter; and providing a second power setting parameter associating the engine core thrust with the second engine performance parameter.

    Method for monitoring spindle preload amount

    公开(公告)号:US10942074B2

    公开(公告)日:2021-03-09

    申请号:US16155336

    申请日:2018-10-09

    IPC分类号: G01L5/00 G01L5/12

    摘要: A method for monitoring the spindle preload amount of a spindle by: S1 obtaining a spindle preload amount through a PPC Preload Analyzer; and S2 obtaining an axial force sensor output of the spindle through an axial force sensor, wherein the axial force sensor output is calibrated using the spindle preload amount that is obtained through the PPC Preload Analyzer; establishing a relationship between the spindle preload amount and the axial force sensor output, then regarding the axial force sensor output as the spindle preload amount, and then monitoring the spindle preload amount by monitoring the axial force sensor output.

    TUNNEL BORING MACHINE
    7.
    发明申请

    公开(公告)号:US20180258765A1

    公开(公告)日:2018-09-13

    申请号:US15542186

    申请日:2015-12-01

    IPC分类号: E21D9/11 G01L5/12

    摘要: A tunnel boring machine includes: a cutter head; a cutter support; a cutter driving unit; a rotational position sensing unit; a strain sensor; and a data processing unit configured to calculate a force acting on the cutter head in association with the position of the cutter head in the rotational direction, based on sensing results of the strain sensor and the rotational position sensing unit.