Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Labyrinth seal
Patent
1993-08-26
1994-07-26
Look, Edward K.
Rotary kinetic fluid motors or pumps
Bearing, seal, or liner between runner portion and static part
Labyrinth seal
415136, 4151741, 415175, 415177, 415178, 295251, 298883, 2988802, F01D 1100
Patent
active
053323580
ABSTRACT:
A seal support assembly for a gas turbine engine includes a stator seal support having an annular seal backing extending axially away therefrom and having an integral retention flange at one end thereof. The retention flange includes a retention groove. An annular seal block is supported radially inwardly of the seal backing for cooperating with rotor seal teeth to define a fluid seal. A control ring is disposed radially outwardly of the seal backing and is supported thereby, with the control ring having a plurality of circumferentially spaced apart retention tabs cooperating with the retention flange for axially retaining the control ring on the seal backing. An annular heat shield is fixedly joined at one end to the seal support, and includes a plurality of circumferentially spaced apart retention tabs cooperating with the retention flange for axially retaining the heat shield to the seal backing while permitting unrestrained differential radial movement therebetween.
REFERENCES:
patent: 3807891 (1974-04-01), McDow et al.
patent: 4397471 (1983-08-01), Feldman et al.
patent: 4554789 (1985-11-01), Napoli et al.
patent: 5143512 (1992-09-01), Corsmeier et al.
patent: 5154575 (1992-10-01), Bonner
patent: 5236302 (1993-08-01), Weisgerber et al.
Albrecht Richard W.
Hemmelgarn Robert J.
Kress Jeffrey A.
General Electric Company
Herkamp Nathan D.
Look Edward K.
Squillaro Jerome C.
Verdier Christopher
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