Roller positioning system or variable pipe diffuser

Details Roller positioning system or variable pipe diffuser Roller positioning system or variable pipe diffuser

1997-08-06

1999-06-29

Lopez, F. Daniel

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Runner, shaft, or separate motor operated

415148, 384549, 411 15, 411 55, F04D 2946

Patent

active

059159200

ABSTRACT:
A roller positioning system for use in a variable pipe diffuser having inner and outer rings. The roller positioning system having at least three axle shafts having a cylindrical body positioned about a first centerline and having a bore disposed axially therethrough about a second centerline. A roller bearing is rotatably mounted to the body of each of the at least three axle shafts. The at least three axle shafts also having a pair of shoulders positioned on either side of the body concentric about the second centerline. The at least three axle shafts circumferentially disposed in the outer ring about the shoulders in a diameter such that the roller bearings nearly contact the outside diameter of the inner ring. The at least three axle shafts rotatably operable to effect an adjustment of the roller bearings about the second centerline such that the roller bearings are brought into contact with the inner ring.

REFERENCES:
patent: 1753691 (1930-04-01), Burns
patent: 2189615 (1940-02-01), Rampacher
patent: 2996996 (1961-08-01), Jassniker
patent: 3362625 (1968-01-01), Endress
patent: 4070123 (1978-01-01), Willingshofer et al.
patent: 4378194 (1983-03-01), Bandukwalla
patent: 5807071 (1998-09-01), Brasz et al.

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