Hydrazine fuel catalytic gas generator and injector therefor

Details Hydrazine fuel catalytic gas generator and injector therefor Hydrazine fuel catalytic gas generator and injector therefor

1984-09-17

1986-04-01

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Using special fuel or oxidizer

60742, F02C 320

Patent

active

045789460

ABSTRACT:
A single-piece thermally isolated multi-point injector for a hydrazine fuel catalytic gas generator having a series of integral feed tubes each with a fuel passage and with the fuel inlet ends thereof spaced apart for ease of manufacture and inspection and associated with a distribution manifold. The feed tubes are arranged in spaced-apart circular arrays to facilitate formation thereof from an investment casting or by radial electrochemical machining cuts. The fuel injector retains the thermal isolation features of a welded or brazed capillary tube injector, but eliminates leakage points encountered in such a structure. The outlet end of each feed tube has a porous member associated therewith to obtain a uniform flow path of hydrazine fuel in all directions onto a catalyst bed.

REFERENCES:
patent: 2706887 (1955-04-01), Groa
patent: 3147592 (1964-09-01), Rose
patent: 3719046 (1973-03-01), Sutherland et al.
patent: 3893294 (1975-07-01), Bruun et al.
patent: 4027476 (1977-06-01), Schmidt
patent: 4069664 (1978-01-01), Ellion et al.
patent: 4324096 (1982-04-01), Ellion

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