Clearance control for gas turbine engine

Details Clearance control for gas turbine engine Clearance control for gas turbine engine

1982-08-02

1985-07-02

Croyle, Carlton R.

Power plants

Reaction motor

Interrelated reaction motors

60266, 415116, 415138, 415178, F02C 718

Patent

active

045259984

ABSTRACT:
Insulation material lines the inner wall of the case of a gas turbine engine and controlled hot and/or cold air is selectively impinged on the outer wall of the case so as to maintain a minimum gap between the outer peripheral edge of the rotating blades relative to their tip seal means for increased thrust specific fuel consumption (TSFC).

REFERENCES:
patent: 3304054 (1967-02-01), Oechslin et al.
patent: 4019320 (1977-04-01), Redinger, Jr. et al.
patent: 4069662 (1978-01-01), Redinger, Jr. et al.
patent: 4101242 (1978-07-01), Coplin et al.
patent: 4213296 (1980-07-01), Schwarz
patent: 4230439 (1980-10-01), Smith, Jr. et al.
patent: 4279123 (1981-07-01), Griffin et al.
patent: 4304093 (1981-12-01), Schulze

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