Temperature control device for gas turbines

Details Temperature control device for gas turbines Temperature control device for gas turbines

1979-10-05

1982-05-11

Powell, Jr., Everette A.

Rotary kinetic fluid motors or pumps

With diversely oriented inlet or additional inlet for...

416174, F01D 1108

Patent

active

043291139

ABSTRACT:
A portion of the stator of a gas turbine known as turbine shroud, which is ituated radially opposite the mobile vanes of a turbine stage includes an "abradable" member supported by a first shell braced by a second shell and connected with turbine casing 2 by a thin, i.e. flexible, annular wall member embedded in a casing. Cooling air inflates the second shell so as to brace the exterior shell and circulates between the two shells so as to cool them and also cools the "abradable" member by impingement. The present invention is applicable to aviation turbojets.

REFERENCES:
patent: 3825364 (1974-07-01), Halila et al.
patent: 3966354 (1976-06-01), Patterson
patent: 4222706 (1980-09-01), Ayache et al.
patent: 4222707 (1980-09-01), Drouet et al.

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