Arrangement for defining improved cooling airflow supply path th

Details Arrangement for defining improved cooling airflow supply path th Arrangement for defining improved cooling airflow supply path th

1992-06-22

1993-12-28

Look, Edward K.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Between blade edge and static part

415115, 4151736, F01D 902

Patent

active

052733963

ABSTRACT:
A high pressure turbine in a gas turbine engine contains an arrangement of channels, holes and windows through components controlling the operating clearance between tips of turbine blades and casing shroud segments wherein the arrangement defines a serial supply path for a single cooling airflow through the clearance control components. The arrangement also includes a plurality of holes defined through a cover located between shroud holders and segments.

REFERENCES:
patent: 3408044 (1968-10-01), Burger
patent: 3583824 (1971-06-01), Smuland
patent: 4302148 (1981-11-01), Tubbs
patent: 4329114 (1982-05-01), Johnston et al.
patent: 4642024 (1987-02-01), Weidner
patent: 4820116 (1989-04-01), Hovan et al.
patent: 5100291 (1992-03-01), Glover
patent: 5165847 (1992-11-01), Proctor et al.
patent: 5169287 (1992-12-01), Proctor et al.

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