Variable geometry diffuser

Details Variable geometry diffuser Variable geometry diffuser

1998-05-08

2000-10-31

Look, Edward K.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Runner, shaft, or separate motor operated

415148, 415126, 4152112, 415150, F04D 2700

Patent

active

061392626

ABSTRACT:
A system for a variable capacity centrifugal compressor is provided. The compressor includes a base plate, a housing, and a variable geometry diffuser. A selectively moveable wall is disposed adjacent the base plate to vary the geometry of the diffuser. A portion of the moveable wall cooperates with a portion of the base plate to restrict the flow of fluid between the moveable wall and the base plate throughout the range of motion of the moveable wall to reduce the force required to open the diffuser.

REFERENCES:
patent: 2285976 (1942-06-01), Huitson
patent: 3289919 (1966-12-01), Wood
patent: 4257733 (1981-03-01), Bandukwalla et al.
patent: 4378194 (1983-03-01), Bandukwalla
patent: 4416583 (1983-11-01), Byrns
patent: 4460310 (1984-07-01), Plunkett
patent: 4844690 (1989-07-01), DeLaurier et al.
patent: 5116197 (1992-05-01), Snell
patent: 5207559 (1993-05-01), Clevenger et al.

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