Angled cooling air bypass slots in honeycomb seals

Details Angled cooling air bypass slots in honeycomb seals Angled cooling air bypass slots in honeycomb seals

1991-10-28

1993-06-01

Look, Edward K.

Rotary kinetic fluid motors or pumps

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

Between axial flow runner and vane or vane diaphragm structure

4151744, 415115, 277 53, 277 75, 277192, F10D 1100

Patent

active

052154351

ABSTRACT:
A labyrinth seal having a static honeycomb land and a toothed rotary land, an angled passage is formed in the honeycomb land to communicate cooling air from the static vane region of the interstage HP section of the turbine into the aft cavity which is bounded by the rotating stage two blade whereby the exiting cooling air will acquire a velocity component which is in the same direction as the rotating stage two blade.

REFERENCES:
patent: 3365172 (1968-01-01), McDonough et al.
patent: 4513975 (1985-04-01), Hauser et al.
patent: 4554789 (1985-11-01), Napoli et al.
patent: 4820116 (1989-04-01), Houan et al.
patent: 4820119 (1989-08-01), Joyce
patent: 4822244 (1989-04-01), Maier et al.
patent: 4869640 (1989-09-01), Schwarz et al.
patent: 5037114 (1991-08-01), Gray

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