Retainer ring

Details Retainer ring Retainer ring

1986-12-19

1988-08-30

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

416220R, F01D 532

Patent

active

047672765

ABSTRACT:
A retainer ring clamps, for example, a turbine cooling plate to a rotatable turbine disc. The retainer ring has a wedge-shaped channel that engages annular flanges on the cooling plate and the disc. The wedge-shaped channel converts radial forces on the ring to axial clamping forces which secure the cooling plate to the disc. Special tooling is not required to assemble the retainer ring to the cooling plate and turbine disc, and preloading of the cooling plate against the disc is not necessary. An angled or slanted gap in the ring eases assembly and disassembly of the retainer ring onto the annular flanges of the cooling plate and turbine disc and ensures that axial and radial movement of the retainer ring is required for disassembly of the ring from the flanges.

REFERENCES:
patent: 2614796 (1952-10-01), Miller
patent: 2662725 (1953-12-01), McVeigh
patent: 2772853 (1956-12-01), Woodworth
patent: 2982518 (1961-05-01), Hunt, Jr.
patent: 2998959 (1961-09-01), Haworth et al.
patent: 3077811 (1963-02-01), Moore
patent: 3544138 (1970-12-01), Von Eiff
patent: 3957393 (1976-05-01), Bandurick
patent: 4021138 (1977-05-01), Scalzo et al.
patent: 4065846 (1978-01-01), Leonard
patent: 4171930 (1979-10-01), Brisken et al.
patent: 4189282 (1980-02-01), Benoist et al.
patent: 4304523 (1981-12-01), Corsmeier et al.
patent: 4349318 (1982-09-01), Libertini et al.
patent: 4480959 (1984-11-01), Bourguignon et al.
patent: 4606111 (1986-08-01), Okazaki et al.
German Printed Application No. M20101 Ia/46f; Dec. 1955; Schorner.

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