초록 ▼

A variable geometry device is provided for synchronous control of flow of fluid at the compressor inlet and outlet of a turbine engine. The turbine engine includes a support housing, a compressor contained within the support housing, a set of variable inlet guide vanes and a compressed air outlet in

A variable geometry device is provided for synchronous control of flow of fluid at the compressor inlet and outlet of a turbine engine. The turbine engine includes a support housing, a compressor contained within the support housing, a set of variable inlet guide vanes and a compressed air outlet in which a pair of spaced walls define an annular and radially extending diffuser passageway. The inner end of the diffuser passageway is open to the compressor outlet while the outer end of the diffuser passageway is open to the combustion chamber for the turbine engine. A plurality of circumferentially spaced diffuser vanes are mounted to one of the diffuser walls and protrude across the diffuser passageway. An annular recessed channel is formed around the opposite diffuser wall and an annular ring with a hollow cavity is mounted within the channel. A motor is operatively connected to this ring and, upon actuation, displaces the ring transversely across the diffuser passageway to variably restrict the diffuser passageway. In addition, a plurality of variable guide vanes are provided in the inlet to the compressor and varied in synchronism with the ring.

대표청구항 ▼

A variable geometry compressor assembly for a turbine engine comprising: a support housing, a compressor means contained within the support housing and having a compressed air inlet and compressed air outlet, said support housing having a pair of spaced diffuser walls which form an annular diffuser

A variable geometry compressor assembly for a turbine engine comprising: a support housing, a compressor means contained within the support housing and having a compressed air inlet and compressed air outlet, said support housing having a pair of spaced diffuser walls which form an annular diffuser passageway having its inner end open to said compressed air outlet, said diffuser passageway having an annular recessed channel formed along one diffuser wall, a ring mounted in said channel, means for moving said ring transversely across said passageway between a retracted position in which said ring is nested within said channel and an extended position in which said ring protrudes into and restricts said diffuser passageway, a plurality of inlet guide vanes and means for pivotally mounting said inlet guide vanes relative to said support housing at circumferentially spaced positions in said compressd air inlet, a plurality of circumferentially spaced diffuser vanes secured to the other diffuser wall and protruding through said diffuser passageway, wherein said ring includes a plurality of closed slots which register with and slidably receive said diffuser vanes, wherein said moving means comprises a gear ring rotatably mounted to said housing and means for selectively rotatably driving said gear ring and wherein said pivoting means comprises a plurality of rods, each rod secured at one end to one inlet guide vane, means for pivotally securing the other ends of said rods to said gear ring, and means for adjusting the length of each rod and for locking each such rod at the adjusted length.