Turbine rotor with ceramic blades

Details Turbine rotor with ceramic blades Turbine rotor with ceramic blades

1976-12-01

1978-06-06

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

416219R, 416241B, 416248, 416193A, F01D 508, F01D 530

Patent

active

040933997

ABSTRACT:
A turbine rotor having a number of metallic attachment pieces for coupling a plurality of ceramic blades to a metallic rotor disk. The blades have roots which are received within grooves formed in the attachment pieces. Each attachment piece has passage means therethrough cooperating with passages in the rotor disk for receiving a coolant for cooling the attachment pieces without causing the coolant to contact the ceramic blades. The attachment pieces keep the rotor disk isolated from the hot gases which contact the ceramic blades.

REFERENCES:
patent: 2364189 (1944-12-01), Buchi
patent: 2686655 (1954-08-01), Schorner
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: 4019832 (1977-04-01), Salemme et al.
patent: 4032258 (1977-06-01), Snell

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