| 摘要 |
897,577. Jet-propulsion plant. BRISTOL SIDDELEY ENGINES Ltd. June 27, 1960 [July 15, 1959], No. 24273/59. Class 110 (3). [Also in Groups XI and XL (a)] A "pulsed-electro ram-jet " for propulsion in space comprises a particle separator and accelerator 18 (see Group XL (a)) through which positive ions and electrons from concentrated ionization regions in space are introduced into a chamber 11 containing a cooled anode 12 and cathode 13 between which an arc is maintained by a constant potential to increase the energy of the particles. A coil 23 is supplied with a pulsed current so phased as to accelerate successive groups of particles which leave the jet nozzle at high velocity and produce useful thrust. In an alternative arrangement (Fig. 1, see Group XI), the chamber 11 is closed at the rear end and a gaseous or liquid working fluid, e.g. the products of combustion from a rocket combustion chamber, is introduced tangentially. The coolant may be liquid metal, e.g. sodium, potassium or mercury, which may also form the working fluid.
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