Floating expansion control ring

Details Floating expansion control ring Floating expansion control ring

1986-07-01

1988-11-22

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Including thermal expansion joint

Radially sliding

F01D 1108

Patent

active

047862327

ABSTRACT:
A floating expansion control ring (20) having a plurality of radially extending positioning lugs (18) is free to move eccentric to the axis of an enclosing engine (24) and within the confines of a spacer ring (14) rigidly mounted within said engine (24). This eccentric movement in a turbine engine permits slight eccentricities of a turbine rotor (11) in a turbine engine. This eccentric movement eliminates the need for abradable shrouds and abradable turbine blades.

REFERENCES:
patent: 2999670 (1961-09-01), Payne et al.
patent: 3066911 (1962-12-01), Anderson et al.
patent: 3227418 (1966-01-01), West
patent: 3520635 (1970-07-01), Killmann et al.
patent: 4251185 (1981-02-01), Karstensen
patent: 4307993 (1981-12-01), Hartel

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