Multiple-piece ceramic turbine blade

Details Multiple-piece ceramic turbine blade Multiple-piece ceramic turbine blade

1976-12-27

1979-03-06

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

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

Axially extending shroud ring or casing

416219R, 416212A, 416241B, 416248, F01D 530

Patent

active

041428366

ABSTRACT:
A turbine blade comprised of at least a pair of abutting blade parts with each part having a root coupled to an attachment piece, the latter adapted to be coupled to a turbine rotor. The blade parts can be curved and each blade part may have a hollow space in the region where it abuts the other blade part to reduce the weight of the blade. The blade parts may be spigoted or mated with tongue and groove structure to reduce fluid leakage through the junction between the blade parts.

REFERENCES:
patent: 2715011 (1955-08-01), Schorner
patent: 2781998 (1957-02-01), Barr
patent: 2836392 (1958-05-01), Spaeth
patent: 2873947 (1959-02-01), Perry
patent: 3002675 (1961-10-01), Howell et al.
patent: 3702222 (1972-11-01), Bernales
patent: 4093399 (1978-06-01), Glenn

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