发明名称 |
VERFAHREN, VORRICHTUNGEN UND/ODER SYSTEME IN BEZUG AUF BRENNSTOFFABGABESYSTEME FÜR INDUSTRIEMASCHINEN |
摘要 |
<p>An assembly for delivering a supply of liquid fuel and a supply of purge air to a gas turbine engine, the assembly comprising: an annular dual-flow check valve (10) for controlling the flow through concentric channels (16,18) that have a common outlet (38), the annular dual-flow check valve (10) comprising: an outer body (12) and an inner body (14) that define the concentric channels, which include an outer channel (16) and an inner channel (18) formed therein; a spring (22) activated annular poppet (24) that resides in the outer channel (16) and has a range of motion in the axial direction; and an opening (44) through the inner body (14) that connects the outer channel (16) to the inner channel (18); wherein the axial movement of the annular poppet (24) is regulated by the pressure of the flow upstream of the annular poppet (24) in the outer channel (16); and the axial range of motion of the annular poppet (16) includes at least two axial positions.</p> |
申请公布号 |
AT522760(T) |
申请公布日期 |
2011.09.15 |
申请号 |
AT20090179055T |
申请日期 |
2009.12.14 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
ERICKSON, DEAN M.;SMITH, DAVID W.;BYRD, DOUGLAS S.;ZHANG, HUA;HOLCOMBE, DANIEL B. |
分类号 |
F16K11/22;F02C7/232;F16K15/18;F16K17/04 |
主分类号 |
F16K11/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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