Static shroud for a rotor

Details Static shroud for a rotor Static shroud for a rotor

1980-05-05

1982-08-10

Powell, Jr., Everette A.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Dynamically created seal

415127, 415 14, F01D 1108

Patent

active

043435920

ABSTRACT:
A static shroud for a rotor comprises a shroud ring having a frustoconical inner surface adapted to co-operate with a peripheral portion of the rotor to define a small clearance therebetween. A plurality of actuators are provided to move the ring axially to vary the clearance in a predetermined manner. In order to compensate for eccentricity, the actuators are adapted to tilt the ring out of a radial plane when required.

REFERENCES:
patent: 2684568 (1954-07-01), Senger
patent: 3039737 (1962-06-01), Kolthoff
patent: 3085398 (1963-04-01), Ingleson
patent: 3227418 (1966-01-01), West
patent: 3503616 (1970-03-01), Hickey
patent: 3520635 (1970-07-01), Killmann et al.
patent: 4131388 (1978-12-01), Brodell
patent: 4149826 (1979-04-01), Torstenfelt
patent: 4222708 (1980-09-01), Davison
U.S. Published Patent Application, B 471,735, Feb. 3, 1976, Jaegtnes.

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