Variable geometry turbine

Details Variable geometry turbine Variable geometry turbine

1989-05-15

1990-11-27

Look, Edward K.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

415151, 415148, F04D 2956, F04D 2700, F04D 2702

Patent

active

049732234

ABSTRACT:
A variable geometry turbine in which an inlet passageway has a movable wall the position of which is adjusted to match the turbine characteristics to the flow rate through the turbine. Nozzle vanes extend through the movable wall and are mounted on a nozzle support which is normally stationary so that the nozzles contact the facing wall of the inlet passageway. The nozzle support is arranged to move with the movable wall however when the movable wall opens the inlet passageway beyond a predetermined extent so that the nozzle vanes are at least partially retracted when the movable wall is in the fully open position.

REFERENCES:
patent: 1322810 (1919-11-01), Moody
patent: 1656012 (1928-01-01), Nagler
patent: 2846185 (1958-08-01), Widmer
patent: 2861774 (1958-11-01), Buchi
patent: 2996996 (1961-08-01), Jassniker
patent: 3610770 (1971-10-01), Hendriks
patent: 4403914 (1983-09-01), Rogo et al.
patent: 4657481 (1987-04-01), Mowill et al.
patent: 4802817 (1989-02-01), Tyler

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