Inter-shaft journal assembly of a multi-spool turbo-machine

Details Inter-shaft journal assembly of a multi-spool turbo-machine Inter-shaft journal assembly of a multi-spool turbo-machine

1983-10-18

1985-12-17

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Multiple fluid-operated motors

415 69, 415134, F02C 106

Patent

active

045585644

ABSTRACT:
In a multi-spool turbo machine, a first shaft of the low pressure spool is supported for rotation with respect to a second shaft of the high pressure spool and is located with respect to the second shaft by means of a roller bearing. Rollers of the bearing are inserted between an internal ring mounted on the second shaft and an outer ring mounted by a ring support assembly carried by the first shaft. The ring support assembly includes a ring support member which comprises, at its outer periphery, a first toothed element cooperating with a second toothed element carried by retaining means. The ring support member is held axially by a channel-section member.

REFERENCES:
patent: 2657084 (1953-10-01), Wiberg
patent: 3250512 (1966-05-01), Petrie
patent: 4084861 (1978-04-01), Greenberg et al.
patent: 4283096 (1981-08-01), Picard et al.
patent: 4302062 (1981-11-01), Hunter
patent: 4304522 (1981-12-01), Newland
patent: 4378197 (1983-03-01), Cattaneo et al.
patent: 4428713 (1984-01-01), Coplin et al.
patent: 4451110 (1984-05-01), Forestier et al.
patent: 4453784 (1984-06-01), Kildea et al.
patent: 4457667 (1984-07-01), Seibert et al.

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