Rotary kinetic fluid motors or pumps – Selectively adjustable vane or working fluid control means – Upstream of runner
Patent
1993-03-01
1994-08-02
Look, Edward K.
Rotary kinetic fluid motors or pumps
Selectively adjustable vane or working fluid control means
Upstream of runner
415134, 4151741, 415175, 415178, 277 26, 277 53, 277 84, F01D 1102
Patent
active
053339932
ABSTRACT:
A stator seal assembly for a gas turbine engine of a type having a high pressure compressor section and a high pressure turbine section, the stator seal having a seal segment extending between a stator vane support structure and disk seal teeth, the stator seal segment having an arm for forming a cavity, a retaining segment attached to the seal segment and the arm for sealing the cavity to form a dead air space, a control ring located in the cavity having a coefficient of thermal expansion lower than a coefficient of thermal expansion for the seal segment, and a honeycomb pad located between the arm and the seal teeth, whereby thermal expansion clearance between the stator vane and the rotor disk is minimized.
REFERENCES:
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
Albrecht Richard W.
Baehre Eric E.
Glynn Christopher C.
Hemmelgarn Robert J.
Stueber Henry B.
General Electric Company
Herkamp Nathan D.
Look Edward K.
Squillaro Jerome C.
Verdier Christopher
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