Tip-shrouded blades and method of manufacture

Details Tip-shrouded blades and method of manufacture Tip-shrouded blades and method of manufacture

1990-07-16

1992-06-09

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Axially extending shroud ring or casing

416241R, 298897, F01D 514, B23P 1502

Patent

active

051201976

ABSTRACT:
Taught is an improved tip-shrouded blade and a method of manufacturing the same. In accordance with the present invention, the inventive blade comprises a blade including an airfoil having a residual compressive stress in areas thereof subject to high local stress.

REFERENCES:
patent: 1763256 (1930-06-01), Ray
patent: 2510734 (1950-06-01), Bodger
patent: 3185441 (1965-05-01), Reuter
patent: 3834833 (1974-09-01), Faber et al.
patent: 4010531 (1977-03-01), Anderson et al.
patent: 4076455 (1978-02-01), Stargardter
patent: 4247254 (1981-01-01), Zelahy
patent: 4247259 (1981-01-01), Saboe et al.
patent: 4364160 (1982-12-01), Eiswerth et al.
patent: 4411597 (1983-10-01), Koffel et al.
patent: 4418455 (1983-12-01), Cohn
patent: 4426867 (1984-01-01), Neal et al.
patent: 4594761 (1986-06-01), Murphy et al.

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