Annular wiper for a sealing labyrinth, and its method of...

Details Annular wiper for a sealing labyrinth, and its method of... Annular wiper for a sealing labyrinth, and its method of...

2006-11-15

2010-12-28

Look, Edward (Department: 3745)

Rotary kinetic fluid motors or pumps

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

Between blade edge and static part

C415S174500, C277S415000, C277S418000

Reexamination Certificate

active

07857581

ABSTRACT:
The invention provides a thermomechanical turbomachine part that is circularly symmetrical about a longitudinal axis, in particular a rotor, the part including at least one annular wiper for a sealing labyrinth. In characteristic manner, the wiper presents height in the radial direction that varies around its circumference by forming a plurality of projecting portions.

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U.S. Appl. No. 11/560,131, filed Nov. 15, 2006, Mons, et al.
U.S. Appl. No. 11/560,034, filed Nov. 15, 2006, Mons, et al.
U.S. Appl. No. 11/560,172, filed Nov. 15, 2006, Mons, et al.

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