Support mechanism of inner ring for variable pipe diffuser

Details Support mechanism of inner ring for variable pipe diffuser Support mechanism of inner ring for variable pipe diffuser

1997-08-06

2000-01-18

Verdier, Christopher

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

415148, 415151, 415159, 384549, F04D 2946

Patent

active

060152591

ABSTRACT:
A ring support system for use in a variable pipe diffuser. The ring support mechanism includes at least three axle shafts and at least three roller bearings rotatably mounted to the axle shafts, an inner ring having a groove disposed in the outside diameter, and an outer ring having a corresponding groove disposed in the inside diameter. The at least three axle shafts are circumferentially mounted in the outer ring such that the rollers are positioned partially within the groove of the outer cylinder such that the roller bearings define a diameter nearly equal to the outside diameter of the inner ring. The inner ring is positioned within the at least three roller bearings such that the at least three roller bearings are in axial sliding contact with the groove of the inner ring and in rolling contact with the groove of the inner ring. The ring support system provides rotational and axial support of the inner ring.

REFERENCES:
patent: 2189615 (1940-02-01), Rampacher
patent: 2513860 (1950-07-01), Gordon
patent: 2996996 (1961-01-01), Jassniker
patent: 3362625 (1968-01-01), Endress
patent: 3721483 (1973-03-01), Scneider
patent: 4070123 (1978-01-01), Willingshofer et al.
patent: 4378194 (1983-03-01), Bandukwalla
patent: 5207559 (1993-05-01), Clevenger et al.
patent: 5752774 (1998-05-01), Heshmat et al.
patent: 5807071 (1998-09-01), Brasz et al.

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