Ion beam thruster shield

Details Ion beam thruster shield Ion beam thruster shield

1975-09-12

1976-10-05

Croyle, Carlton R.

Power plants

Reaction motor

Ion motor

313361, 3132314, 313240, 3151113, F03H 100

Patent

active

039836959

ABSTRACT:
An ion thruster beam shield is provided that comprises a cylindrical housing that extends downstream from the ion thruster and a plurality of annular vanes which are spaced along the length of the housing, and extend inwardly from the interior wall of the housing. The shield intercepts and stops all charge exchange and beam ions, neutral propellant, and sputter products formed due to the interaction of beam and shield emanating from the ion thruster outside of a fixed conical angle from the thruster axis. Further, the shield prevents the sputter products formed during the operation of the engine from escaping the interior volume of the shield.

REFERENCES:
patent: 3020431 (1962-02-01), Martina
patent: 3130542 (1964-04-01), Kuhrt
patent: 3232046 (1966-02-01), Meyer
patent: 3392527 (1968-07-01), Gilmour et al.
patent: 3537266 (1970-11-01), Mahadevan et al.
patent: 3555823 (1971-01-01), Guman

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