Method of manufacture of cooled turbine or compressor buckets

Details Method of manufacture of cooled turbine or compressor buckets Method of manufacture of cooled turbine or compressor buckets

1978-03-22

1980-01-29

Crane, Daniel C.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291568H, 291573C, 165170, 165185, 416 92, 416 97A, 228175, 228183, B23P 1504

Patent

active

041853695

ABSTRACT:
Methods are disclosed for more practical construction of liquid-cooled buckets able to efficiently transport heat energy from the inside of the airfoil skin surface in contact with hot gas to the outer surface of preformed tubes recessed into the bucket core, through which tubes liquid coolant is passed during operation. The bucket is made of a series of preformed solid components, which are assembled, consolidated and then converted into a unified structure. In each arrangement illustrated one of the preformed solid components is a flat bimetallic sheet comprising an erosion, corrosion resistant layer and a layer of high thermal conductivity, these layers being joined by an optimized metallurgical bond.

REFERENCES:
patent: 2256272 (1941-09-01), Batcheller
patent: 2522365 (1950-09-01), Greene
patent: 2641439 (1953-06-01), Williams
patent: 2695146 (1954-11-01), DeWitt
patent: 2811761 (1957-11-01), Bauer
patent: 2994124 (1961-08-01), Denny et al.
patent: 3091846 (1963-06-01), Henry
patent: 3301530 (1967-01-01), Lull
patent: 3619076 (1971-11-01), Kydd
patent: 3856433 (1974-12-01), Grondahl et al.
patent: 3952939 (1976-04-01), Schilling et al.

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