Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Labyrinth seal
Patent
1997-01-28
1998-10-06
Verdier, Christopher
Rotary kinetic fluid motors or pumps
Bearing, seal, or liner between runner portion and static part
Labyrinth seal
4151744, 415178, 415180, 416 95, 416220R, F01D 1102
Patent
active
058167765
ABSTRACT:
A labyrinth disk includes a main stiffener placed in the middle of the rim immediately below labyrinth elements. Attachment elements are preferably in the form of a bayonet attachment system using teeth fixed on the labyrinth disk crown and teeth fixed on the rotor. Attachment by bolting may optionally be used. The disk may be utilized with turbojets, on the cooling circuit, on the upstream side of the high pressure turbine.
REFERENCES:
patent: 3832090 (1974-08-01), Matto
patent: 5143512 (1992-09-01), Corsmeier et al.
patent: 5173024 (1992-12-01), Mouchel et al.
patent: 5236302 (1993-08-01), Weisgerber et al.
patent: 5275534 (1994-01-01), Cameron et al.
patent: 5310319 (1994-05-01), Grant et al.
patent: 5333993 (1994-08-01), Stueber et al.
patent: 5402636 (1995-04-01), Mize et al.
Chambon Frederic
Lestoille Patrick Didier Michel
Mouchel Jacques Henri
Taillant Jean-Claude
Societe Nationale d'Etude et de Construction de Moteurs d'Aviati
Verdier Christopher
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