Method of manufacturing cooling film devices for combustion cham

Details Method of manufacturing cooling film devices for combustion cham Method of manufacturing cooling film devices for combustion cham

1987-09-25

1989-04-18

Moon, Charlie T.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29558, 60757, B21K 2900, B23P 1526

Patent

active

048213870

ABSTRACT:
A method of manufacturing a cooling film device for the combustion chamber of a turbomachine is described in which a blank is machined to provide a substantially cylindrical upstream wall and an enlarged downstream part of generally frusto-conical shape, an inner recess open at the downstream end is machined in the downstream part to constitute an inner wing and an outer wing, the wings are machined and deformed to define a settling chamber which converges in the downstream direction to an annular outlet slit, and the radial upstream end wall of the settling chamber is drilled to provide a plurality of small air inlet holes.

REFERENCES:
patent: 2658337 (1953-11-01), Clarke et al.
patent: 3369363 (1968-02-01), Campbell
patent: 3420058 (1969-01-01), Howald et al.
patent: 3729793 (1973-05-01), Schmidt et al.
patent: 3811276 (1974-05-01), Caruel et al.
patent: 3995422 (1976-12-01), Stamm
patent: 4329848 (1982-05-01), Caruel et al.
patent: 4485630 (1984-12-01), Kemworthy

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