公开(公告)号：US4926632A

公开(公告)日：1990-05-22

申请号：US150591

申请日：1988-02-01

申请人： Richard D. Smith ,  Steve Knowles ,  R. J. Cassady ,  William Smith ,  Mark A. Simon

发明人： Richard D. Smith ,  Steve Knowles ,  R. J. Cassady ,  William Smith ,  Mark A. Simon

IPC分类号： F03H1/00

CPC分类号： B64G1/406

摘要： An arcjet thruster has a body defining a constrictor and nozzle constituting an anode and forming an arc chamber. An elongated rod constitutes a cathode spaced from the constrictor by a gap generally coextensive with the arc chamber. An electrical potential is applied to the anode and cathode to generate an electrical arc in the arc chamber from the cathode to the anode. Propellant is supplied to the arc chamber with generation of the arc so as to produce thermal heating and expansion of the propellant through the nozzle. The thruster employs several features which improve its performance. One feature relates to the use of propellant blends with high specific impulse additives. Another feature relates to injection of the high specific impulse additive into the bulk propellant feed at the region of the cathode tip. Still another feature relates to recirculation of a small fraction of propellant from the constrictor region of the arc chamber and injection thereof into the bulk propellant feed at the region of the cathode tip. A final feature relates to regeneration and reaction of the bulk propellant feed within the structure of the anode body and circulation to the region of the cathode tip.

摘要翻译： 电弧喷射推进器具有限定构成阳极的缩颈和喷嘴的主体并形成电弧室。 细长杆构成通过与电弧室大致共同延伸的间隙与收缩器间隔开的阴极。 向阳极和阴极施加电势，以在电弧室中从阴极到阳极产生电弧。 通过产生电弧将推进剂供应到电弧室，以便通过喷嘴产生推进剂的热加热和膨胀。 推进器采用了几个提高其性能的特征。 一个特征涉及使用具有高比冲量添加剂的推进剂混合物。 另一个特征涉及在阴极尖端的区域将高比冲量添加剂注入本体推进剂​​进料中。 另一个特征涉及一小部分推进剂从电弧室的缩颈区域的再循环，并将其注入到阴极尖端区域的本体推进剂​​进料中。 最后的特征涉及本体推进剂​​进料在阳极体结构内的再生和反应，并循环到阴极尖端的区域。

公开(公告)号：US4995231A

公开(公告)日：1991-02-26

申请号：US411798

申请日：1989-09-25

申请人： Richard D. Smith ,  Steve Knowles ,  R. J. Cassady ,  William Smith ,  Mark A. Simon

发明人： Richard D. Smith ,  Steve Knowles ,  R. J. Cassady ,  William Smith ,  Mark A. Simon

IPC分类号： F03H1/00

CPC分类号： B64G1/406

摘要： An arcjet thruster has a body defining a constrictor and nozzle constituting an anode and forming an arc chamber. An elongated rod constitutes a cathode spaced from the constrictor by a gap generally coextensive with the arc chamber. An electrical potential is applied to the anode and cathode to generate an electrical arc in the arc chamber from the cathode to the anode. Propellant is supplied to the arc chamber with generation of the arc so as to produce thermal heating and expansion of the propellant through the nozzle. The thruster employs several features which improve its performance. One feature relates to the use of propellant blends with high specific impulse additives. Another feature relates to injection of the high specific impulse additive into the bulk propellant feed at the region of the cathode tip. Still another feature relates to recirculation of a small fraction of propellant from the constrictor region of the arc chamber and injection thereof into the bulk propellant feed at the region of the cathode tip. A final feature relates to regeneration and reaction of the bulk propellant feed within the structure of the anode body and circulation to the region of the cathode tip.

摘要翻译： 电弧喷射推进器具有限定构成阳极的缩颈和喷嘴的主体并形成电弧室。 细长杆构成通过与电弧室大致共同延伸的间隙与收缩器间隔开的阴极。 向阳极和阴极施加电势，以在电弧室中从阴极到阳极产生电弧。 通过产生电弧将推进剂供应到电弧室，以便通过喷嘴产生推进剂的热加热和膨胀。 推进器采用了几个提高其性能的特征。 一个特征涉及使用具有高比冲量添加剂的推进剂混合物。 另一个特征涉及在阴极尖端的区域将高比冲量添加剂注入本体推进剂​​进料中。 另一个特征涉及一小部分推进剂从电弧室的缩颈区域的再循环，并将其注入到阴极尖端区域的本体推进剂​​进料中。 最后的特征涉及本体推进剂​​进料在阳极体结构内的再生和反应，并循环到阴极尖端的区域。