Grooved honeycomb labyrinth seal for steam turbines

Details Grooved honeycomb labyrinth seal for steam turbines Grooved honeycomb labyrinth seal for steam turbines

1983-01-24

1983-11-22

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277236, 277 961, 415112, 415174, F16J 1544, F01D 1108

Patent

active

044164572

ABSTRACT:
A circular grooved honeycomb labyrinth seal having a plurality of arcuate base portions, a plurality of honeycomb-shaped cell portions extending radially inwardly from the base portion with a plurality of passages disposed adjacent the base portion, the passages being in fluid communication with each cell and with the upstream side and the downstream side of the honeycomb labyrinth seal.

REFERENCES:
patent: 3365172 (1968-01-01), McDonough et al.
patent: 3603599 (1971-09-01), Laird
patent: 3720419 (1973-03-01), Adelizzi
patent: 3867061 (1975-02-01), Moskowitz
patent: 4162077 (1979-07-01), Crow et al.
patent: 4346904 (1982-08-01), Watkins

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