Inner turbine seal

Details Inner turbine seal Inner turbine seal

1988-05-23

1989-04-11

Cuchlinski, Jr., William A.

Rotary kinetic fluid motors or pumps

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

Means to seal radial flow pump runner inlet from outlet

277193, 277199, F01D 1102

Patent

active

048201197

ABSTRACT:
An inner turbine seal is formed of a full annular vane platform structure (32) and a full annulus seal land structure (60). These two structures are splined together (48, 50, 64) and piston ring (70) seals against leakage between the two structures. Radial differential growth between the structures is permitted. Vane platform structure (32) may therefore be designed to minimize stresses in the vane area (26, 28) while seal land structure (60) may be designed to minimize leakage through knife edge seals (22, 62).

REFERENCES:
patent: 3314651 (1967-04-01), Beale
patent: 3529904 (1970-09-01), Scalzo et al.
patent: 3941500 (1976-03-01), Glenn
patent: 4426087 (1984-01-01), Sargent et al.
patent: 4645424 (1987-02-01), Peters
patent: 4659289 (1987-04-01), Kalogeros

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