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    Inline pneumatic valve with internal bushing
    2.
    发明授权
    Inline pneumatic valve with internal bushing 有权

    公开(公告)号：US11982358B2

    公开(公告)日：2024-05-14

    申请号：US17508485

    申请日：2021-10-22

    申请人： Hamilton Sundstrand Corporation

    发明人： August M. Coretto ,  Scott W. Simpson ,  Donald E. Army ,  Peter J. Dowd ,  David J. Zawilinski

    IPC分类号： F16K1/12 ,  F04D27/02

    CPC分类号： F16K1/126 ,  F04D27/0215 ,  F04D27/023

    摘要： An inline valve includes a sliding piston having a radially outer stop portion with a forward end. A radially inner sliding portion is connected to the radially outer stop portion by an arm. A housing includes an outer housing body surrounding the piston. The housing has a stop surface selectively in contact with the forward end of the radially outer stop portion of the piston to block flow for a housing inlet to a housing outlet. The radially inner sliding portion slides on a support tube. At least a portion of the radially inner sliding portion is formed of a first material having better wear resistance than a second material forming the outer stop portion of the piston. The second material has a greater resistance to high temperature and pressure than the first material. A vent valve for a compressor is also disclosed.

    Compressor startup
    3.
    发明授权
    Compressor startup 有权

    公开(公告)号：US11905963B1

    公开(公告)日：2024-02-20

    申请号：US17991290

    申请日：2022-11-21

    申请人： Saudi Arabian Oil Company

    发明人： Talal H. Rashidi

    IPC分类号： F04D27/02 ,  F04D27/00

    CPC分类号： F04D27/0246 ,  F04D27/002 ,  F04D27/0215

    摘要： A suction throttling valve adjusts flow of a process gas through an inlet flowline. A compressor pressurizes the process gas. An outlet flowline flows the process gas from the compressor. An anti-surge flowline branching from the outlet flowline directs a first portion of the process gas from the outlet flowline back to the inlet flowline. The anti-surge flowline is connected to the inlet flowline intermediate of the suction throttling valve and the compressor. An anti-surge control valve adjusts flow of the first portion of the process gas through the anti-surge flowline to the inlet flowline. A bypass flowline provides an alternative flow path for a second portion of the process gas flowing through the anti-surge flowline to the inlet flowline around the suction throttling valve. A bypass control valve adjusts flow of the second portion of the process gas through the bypass flowline.

    Bleed valve
    4.
    发明授权
    Bleed valve 有权

    公开(公告)号：US11680575B2

    公开(公告)日：2023-06-20

    申请号：US16711534

    申请日：2019-12-12

    申请人： Microtecnica S.r.l.

    发明人： Giacomo Mezzino ,  Gianfranco Salvatoriello

    IPC分类号： F02C9/18 ,  F04D27/02 ,  F02C6/08

    CPC分类号： F04D27/0215 ,  F02C6/08 ,  F02C9/18 ,  F04D27/023 ,  F05D2220/32

    摘要： An apparatus for use in a gas turbine engine is disclosed comprising a bleed valve and an intermediate valve. In use the bleed valve is exposed to a source of pressurised air, and the bleed valve is movable between an open position, in which the bleed valve permits a flow of the pressurised air through the bleed valve and a closed position, in which the bleed valve does not permit a flow of the pressurised air through the bleed valve. The intermediate valve is operatively connected to the bleed valve and configured to selectively open and close the bleed valve, wherein the intermediate valve is configured in a mode of operation to close the bleed valve based on the pressurised air within the bleed valve exceeding a predetermined threshold.

    Compressors with integrated secondary air flow systems
    6.
    发明授权
    Compressors with integrated secondary air flow systems 有权

    公开(公告)号：US10072522B2

    公开(公告)日：2018-09-11

    申请号：US13182976

    申请日：2011-07-14

    申请人： Nick Nolcheff ,  Jong Lee

    发明人： Nick Nolcheff ,  Jong Lee

    IPC分类号： F04D27/02 ,  F04D29/00 ,  F01D25/24 ,  F01D9/04 ,  F02C9/18 ,  F04D29/54

    CPC分类号： F01D25/24 ,  F01D9/04 ,  F02C9/18 ,  F04D27/0215 ,  F04D27/023 ,  F04D27/0238 ,  F04D29/545

    摘要： A compressor includes a rotor platform; a rotor blade; and a casing having an inner surface surrounding the tip and spaced radially outwardly from the tip to define a gap. A secondary air flow system includes a bleed inlet configured to remove secondary air flow from the primary air flow; an injection opening disposed in the inner surface of the casing upstream of the bleed inlet; an accessory conduit; and a plenum fluidly coupled to the bleed inlet, the injection opening, and the accessory conduit. The bleed inlet and plenum at least partially define a secondary air flow path such that a first portion of the secondary air flow is directed in through the bleed inlet, through the plenum, and out through the injection opening and a second portion of the secondary air flow is directed in through the bleed inlet, through the plenum, and out through the accessory conduit.