Method and apparatus for making a recuperator cell

Details Method and apparatus for making a recuperator cell Method and apparatus for making a recuperator cell

1999-01-14

2000-09-05

Cuda, Irene

Metal working

Means to assemble or disassemble

Heat exchanger

29890034, 292815, B23P 1526

Patent

active

061124036

ABSTRACT:
Circular recuperators are used to increase the efficiency of gas turbine engines. The present circular recuperators are made of a plurality of cells. Each of the plurality of cells includes a plurality of components, such as, a plurality of sheets, a plurality of bars and guide strips. To more efficiently utilize the configuration of a primary surface circular heat exchanger or recuperator, the plurality of cells are manufactured to have a involute configuration. A fixture is used to position, hold and form the involute configuration. The fixture includes clamping device which positions and holds a base edge and the plurality of bars in a preestablished position and a forming member forms the remainder of the individual cells into the involute configuration. Corresponding ones of the base edges of individual cells form an inner diameter of the recuperator.

REFERENCES:
patent: 3423502 (1969-01-01), Stimpson
patent: 4768272 (1988-09-01), Weaver et al.

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