Coolable blade tip shroud

Details Coolable blade tip shroud Coolable blade tip shroud

1975-06-02

1977-03-22

Croyle, Carlton R.

Rotary kinetic fluid motors or pumps

With diversely oriented inlet or additional inlet for...

Diverse fluids to motor

415139, F02C 718, F01D 2512

Patent

active

040133761

ABSTRACT:
A coolable shroud surrounding the tips of the turbine blades of a gas turbine engine is disclosed. The shroud comprises a plurality of arcuate segments which are supported by the turbine case concentrically about the axis of the engine in end to end relationship. Each segment is adapted to receive and distribute cooling air about the walls of the shroud which are exposed to the hot working medium gases flowing through the turbine during operation of the engine. A combination of impingement cooling and transpiration cooling techniques maximize the cooling effectiveness of the air supplied.

REFERENCES:
patent: 2863634 (1958-12-01), Chamberlin
patent: 3365172 (1968-01-01), McDonough
patent: 3412977 (1968-11-01), Moyer
patent: 3728039 (1973-04-01), Plemmons
patent: 3728041 (1973-04-01), Bertelson
patent: 3752598 (1973-08-01), Bowers et al.

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