Blade, turbine disc and hybrid type gas turbine blade

Details Blade, turbine disc and hybrid type gas turbine blade Blade, turbine disc and hybrid type gas turbine blade

1996-09-13

1998-04-28

Denion, Thomas E.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received by continuous circumferential channel

416223A, 416241B, 416248, B63H 120

Patent

active

057437130

ABSTRACT:
A ceramic blade for a hybrid type gas turbine blade has a dovetail portion, a platform portion formed on the dovetail portion and blade portions formed on the platform portion. The number of the blade portions formed on one platform portion is two or more. The upper surface of the platform portion is shaped into an arc-like form, and the dovetail portion is linearly formed in a tangential direction to a turbine rotation direction. By the utilization of this blade, the hybrid type gas turbine blade can inhibit the leakage of a gas and can be easily manufactured and is excellent in durability.

REFERENCES:
patent: 2435427 (1948-02-01), Eastman
patent: 3597109 (1971-08-01), Petrie
patent: 4483659 (1984-11-01), Armstrong
patent: 5580219 (1996-12-01), Frey et al.
H. Yanagida, "Fine Ceramics," published by Ohm Inc., Sep. 20, 1982 (p. 177, line 6 to line 16 and Figs. 6.3 and 6.4).

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