Rotary kinetic fluid motors or pumps – Selectively adjustable vane or working fluid control means – Separate means upstream and downstream of blade set
Patent
1983-02-25
1988-01-12
Garrett, Robert E.
Rotary kinetic fluid motors or pumps
Selectively adjustable vane or working fluid control means
Separate means upstream and downstream of blade set
415158, F04D 2700
Patent
active
047188197
ABSTRACT:
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.
REFERENCES:
patent: 2996996 (1961-08-01), Jassniker
patent: 3056541 (1962-10-01), Foweraker
patent: 3362624 (1968-01-01), Endress
patent: 3362625 (1968-01-01), Endress
patent: 3533709 (1970-10-01), Willi
patent: 3972642 (1976-08-01), Fricke et al.
patent: 4257733 (1981-03-01), Bandukwalla et al.
patent: 4378194 (1983-03-01), Bandukwalla
patent: 4403914 (1983-09-01), Rogo et al.
Lenz Herman N.
Rogo Casimir
Garrett Robert E.
Pitko Joseph M.
Teledyne Industries Inc.
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