Bulge formed cooling channels with a variable lead helix on a ho

Details Bulge formed cooling channels with a variable lead helix on a ho Bulge formed cooling channels with a variable lead helix on a ho

1991-09-23

1993-06-22

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Processes

2391271, 2391273, 60267, 2989001, 29890042, B64D 3304

Patent

active

052210456

ABSTRACT:
A method of constructing a nozzle having cooling channels comprises a shell and a liner which are formed into a body of revolution having an axis of revolution. Helical welds are formed to hold the liner and shell to each other with a channel position being defined between each pair of helical welds. Pressurized fluid which may be a gas or a liquid, is introduced between the weld pairs to outwardly bulge the material of at least one of the liner and shell to define the channels.

REFERENCES:
patent: 3127737 (1964-04-01), Ledwith
patent: 3235947 (1966-02-01), Sohlemann
patent: 3249989 (1966-05-01), Robinson
patent: 3267664 (1966-08-01), Jones et al.
patent: 3538577 (1970-11-01), O'Malley

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