Segmented labyrinth-type shaft sealing system for fluid turbines

Details Segmented labyrinth-type shaft sealing system for fluid turbines Segmented labyrinth-type shaft sealing system for fluid turbines

Filed on

1982-04-20

Date issued

1984-03-13

Examiner

Ward, Robert S.

Patent Class

Seal for a joint or juncture

SubClass

Seal between relatively movable parts

SubSubClass

Relatively rotatable radially extending sealing face member

Other Related Categories

277 53, 277 56, 277192, F16J 1544

Type

Patent

Status

active

Patent number

044363117

Description

ABSTRACT:
Springs are arranged in elastic fluid turbine seal ring systems to accomplish a condition of relatively large clearance while starting and during low load conditions but in cooperation with pressure forces occurring at higher loads permitting said seal ring to relocate to a position of relatively small clearance to improve sustained efficiency.

REFERENCES:
patent: 967247 (1910-08-01), Samuelson
patent: 2239637 (1941-04-01), Zesewitz
patent: 2600991 (1952-06-01), Hargrove

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