Low windage corrugated seal facing strip

Details Low windage corrugated seal facing strip Low windage corrugated seal facing strip

1990-08-29

1992-03-17

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

4151734, 4151744, 4151745, 277 53, 277215, F01D 1102

Patent

active

050963767

ABSTRACT:
An improved seal design is provided for use in a gas turbine engine. A corrugated facing strip, with a reduced corrugation height, is attached to the exposed end faces of a seal land to reduce windage losses at the exposed end faces. The corrugated facing strip simplifies construction of the seal land and provides a low windage loss surface at seal end faces.

REFERENCES:
patent: Re30600 (1981-05-01), Long et al.
patent: 2963307 (1960-12-01), Bobo
patent: 3501089 (1970-03-01), Alford
patent: 3589475 (1971-06-01), Alford
patent: 3916054 (1975-10-01), Long et al.
patent: 4346904 (1982-08-01), Watkins, Jr.
patent: 4395196 (1983-07-01), Plautz
patent: 4554789 (1985-11-01), Napoli et al.
patent: 4618152 (1986-10-01), Campbell

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