Rotor assembly

Details Rotor assembly Rotor assembly

1988-02-25

1989-08-08

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

416193A, 416220R, F04D 518

Patent

active

048548219

ABSTRACT:
A rotor assembly for use in a rotodynamic machine comprises a rotor disc (10) with a plurality of blades (14) attached to its outer rim (12) and a seal plate (22) for substantially preventing the escape of blade cooling air. The rotor disc (10) is provided with a plurality of hooked restraining members (30) each including a radially inward directed abutment face (32) which in use restrain the seal plate from moving axially and from moving radially outward under centrifugal force by abutment with the seal plate. In this way the blades (14) are not subjected to additional loading by the seal plate (22).

REFERENCES:
patent: 2755063 (1956-07-01), Wilkinson
patent: 2998959 (1961-09-01), Haworth et al.
patent: 3295825 (1967-01-01), Hall
patent: 4017209 (1977-04-01), Bodman
patent: 4094615 (1978-06-01), Glenn
patent: 4111603 (1978-09-01), Stahl
patent: 4192633 (1980-03-01), Herzner
patent: 4480959 (1984-11-01), Bourguignon et al.
patent: 4701105 (1987-10-01), Cantor et al.

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