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    • 96. 发明专利
    • Axial flow positive displacement worm compressor and gas turbine engine
    • 轴流动位移压缩机和气体涡轮发动机
    • JP2007205349A
    • 2007-08-16
    • JP2006327234
    • 2006-12-04
    • General Electric Co ゼネラル・エレクトリック・カンパニイGeneral Electric Company
    • MURROW KURT DAVIDGIFFIN ROLLIN GEORGEFAKUNLE OLADAPO
    • F04C18/107F02C3/055F02K3/06
    • F01C1/084F01C1/107F01C11/008F02B53/00F02C5/06F02K5/00F03C2/08Y02T50/671
    • PROBLEM TO BE SOLVED: To provide a compressor reduced in weight and size and high in efficiency. SOLUTION: This axial flow positive displacement compressor 8 has an inlet 20 axially spaced apart and upstream from an outlet 22. Inner and outer bodies 12, 14 have offset inner and outer axes 16, 18 extend from the inlet 20 to the outlet 22 through first and second sections 24, 26 of a compressor assembly 15 in serial downstream flow relationship. At least one of the bodies is rotatable around its axis. The inner and outer bodies have intermeshed inner and outer helical blades 17, 27 wound about the inner and outer axes and respectively. The inner and outer helical blades extend radially outwardly and inwardly respectively. The helical blades have first and second twist slopes 34, 36 in the first and second sections. The first twist slopes are less than the second twist slopes. An engine 100 including the compressor has in downstream serial flow relationship from the compressor, a combustor 7 and a high pressure turbine 9 drivingly connected to the compressor by a high-pressure shaft 5. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供减轻重量和尺寸并且效率高的压缩机。 解决方案:该轴向流动容积式压缩机8具有从出口22轴向间隔开和上游的入口20.内部和外部主体12,14具有偏移的内部和外部轴线16,18从入口20延伸到出口 22通过串联下游流动关系的压缩机组件15的第一和第二部分24,26。 主体中的至少一个可围绕其轴线旋转。 内部和外部主体具有分别缠绕在内部轴线和外部轴线上的相互啮合的内部和外部螺旋叶片17,27。 内螺旋叶片和外螺旋叶片分别径向向外和向内延伸。 螺旋叶片在第一和第二部分中具有第一和第二扭曲斜面34,36。 第一个扭转斜率小于第二个扭曲斜率。 包括压缩机的发动机100与压缩机,燃烧器7和高压涡轮机9的下游串联流动关系是通过高压轴5驱动地连接到压缩机。(C)2007,JPO&INPIT