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    • 7. 发明申请
    • Flow cavity arrangement
    • 流腔布置
    • US20080310950A1
    • 2008-12-18
    • US11905463
    • 2007-10-01
    • Colin YoungGuy D. Snowsill
    • Colin YoungGuy D. Snowsill
    • F02C7/12F01D11/02
    • F01D5/082F01D11/04
    • It is known with regard to particularly cavities below high pressure turbine discs that mixing of hot gas leakage flows through an inner seal with cooling flows can diminish the effectiveness of that cooling flow when presented to other parts for cooling. By providing a path within a wall which is particularly shaped in portions it is possible to provide entrainment of a hot leakage gas flow away from entry into the cavity. Thus, the cooling flow retains a higher cooling effect and maintains its swirling nature in comparison with prior arrangements where mixing with the hot leakage flow occurred.
    • 关于高压涡轮机盘下面的特别是空腔是已知的,热气体泄漏的混合通过内部密封件与冷却流动的混合可以降低当冷却流体被提供给其它部件用于冷却时的有效性。 通过在壁内提供特别成形的路径,可以使热泄漏气流的夹带远离进入空腔。 因此,与先前的布置相比,冷却流保持更高的冷却效果并保持其旋转性质,其中发生与热泄漏流的混合。
    • 8. 发明申请
    • Flow control arrangement
    • 流量控制装置
    • US20100028145A1
    • 2010-02-04
    • US12458829
    • 2009-07-23
    • Colin YoungPaul WilsonLou Peng
    • Colin YoungPaul WilsonLou Peng
    • F01D9/00
    • F15D1/02
    • Flow restrictors (4), (14) are widely utilised with regard to providing flow control in such situations as with respect to sealing and pressurisation of bearing chambers in gas turbine engines. The restrictor (4), (14) restricts a flow (5), (15) but with prior arrangements may be susceptible to deposition upon flank surfaces of the restrictor (4). These depositions may fragment and block an aperture (7), (17) of the restrictor (4), (14) reducing operational effectiveness. By provision of a deflector (18) having a deflector surface (19) flows (15) can be presented such that a greater proportion of the flow including droplets or other matter which may result in surface deposition or errosion will pass directly through an aperture (7, 17) rather than impinge upon the flank surfaces of the restrictor (14). Furthermore, the deflector (18) is dimensioned such that surfaces which may be susceptible to deposition have dimensions smaller than the aperture (17).
    • 流量限制器(4),(14)被广泛地用于在诸如关于在燃气涡轮发动机中的轴承室的密封和加压的情况下提供流量控制。 限流器(4),(14)限制流动(5),(15),但是先前的布置可能容易沉积在限流器(4)的侧面上。 这些沉积物可能会碎裂和阻挡限流器(4)的孔径(7),(17),(14)降低了操作有效性。 通过设置具有偏转器表面(19)的偏转器(18)可以呈现流动(15),使得包括可能导致表面沉积或侵蚀的液滴或其它物质的较大比例的流动将直接通过孔( 而不是撞击限制器(14)的侧面。 此外,偏转器(18)的尺寸使得可能易于沉积的表面的尺寸小于孔(17)的尺寸。
    • 10. 发明授权
    • Flow control arrangement
    • 流量控制装置
    • US08464761B2
    • 2013-06-18
    • US12458829
    • 2009-07-23
    • Colin YoungPaul WilsonLou Peng
    • Colin YoungPaul WilsonLou Peng
    • F15D1/04
    • F15D1/02
    • Flow restrictors (4), (14) are widely utilized with regard to providing flow control in such situations as with respect to sealing and pressurization of bearing chambers in gas turbine engines. The restrictor (4), (14) restricts a flow (5), (15) but with prior arrangements may be susceptible to deposition upon flank surfaces of the restrictor (4). These depositions may fragment and block an aperture (7), (17) of the restrictor (4), (14) reducing operational effectiveness. By provision of a deflector (18) having a deflector surface (19) flows (15) can be presented such that a greater proportion of the flow including droplets or other matter which may result in surface deposition or erosion will pass directly through an aperture (7, 17) rather than impinge upon the flank surfaces of the restrictor (14). Furthermore, the deflector (18) is dimensioned such that surfaces which may be susceptible to deposition have dimensions smaller than the aperture (17).
    • 流量限制器(4),(14)被广泛地用于在诸如关于在燃气涡轮发动机中的轴承室的密封和加压的情况下提供流量控制。 限流器(4),(14)限制流动(5),(15),但是先前的布置可能容易沉积在限流器(4)的侧面上。 这些沉积物可能会碎裂和阻挡限流器(4)的孔径(7),(17),(14)降低了操作有效性。 通过设置具有偏转器表面(19)的偏转器(18)可以呈现流动(15),使得包括可能导致表面沉积或侵蚀的液滴或其他物质的较大比例的流动将直接通过孔( 而不是撞击限制器(14)的侧面。 此外,偏转器(18)的尺寸使得可能易于沉积的表面的尺寸小于孔(17)的尺寸。