Platform cooling for gas turbines

Details Platform cooling for gas turbines Platform cooling for gas turbines

1998-09-14

2000-07-04

Look, Edward K.

Rotary kinetic fluid motors or pumps

With passage in blade, vane, shaft or rotary distributor...

415116, 415176, 415185, 416193A, F01D 2508

Patent

active

060829613

ABSTRACT:
Platform cooling having a guide-blade platform (30; 60) which is subjected to a hot-gas stream (20) and is separated by a gap (36; 66) from a combustion-chamber segment (40; 70) arranged upstream, one or more segment cooling bores (42; 72) being made in the combustion-chamber segment (40; 70), which segment cooling bores (42; 72) connect a cooling-air chamber (44; 74) to the gap (36; 66). The guide-blade platform (30; 60) has a surface (34; 64) on the downstream side in the region of the gap (36; 66), the axes of the one or more segment cooling bores (42; 72) running roughly tangentially to said surface (34; 64).

REFERENCES:
patent: 4126405 (1978-11-01), Bobo et al.
patent: 4821522 (1989-04-01), Matthews et al.
patent: 5417545 (1995-05-01), Harrogate
patent: 5470198 (1995-11-01), Harrogate et al.

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