JPH0387876U

JPH0387876U -

Info

Publication number: JPH0387876U
Application number: JP14602389U
Authority: JP
Priority date: 1989-12-19
Filing date: 1989-12-19
Publication date: 1991-09-06

Description

[Brief explanation of drawings]

第１図ａ及び第１図ｂはこの考案の特徴をなす
イオンエンジン装置の実施例を示す図、第２図は
この考案の特徴をなすイオンエンジン装置におい
て発生される推力の方向を示す図、第３図ａ及び
第３図ｂはこの考案の特徴をなすイオンエンジン
装置の他の実施例を示す図、第４図ａ及び第４図
ｂはこの考案の特徴をなすイオンエンジン装置の
さらに他の実施例を示す図、第５図はこの考案の
特徴をなすイオンエンジン装置のさらに他の実施
例を示す図、第６図は従来のイオンエンジン装置
の一例を示す図であり、図において、１……イオ
ン抽出孔、２……放電室外筒、３……上流側磁極
板、４……下流側磁極板、５……スクリーングリ
ツド、６……放電室、７……陽極、８……ホロー
カソード、９……加速グリツド、１０……磁場発
生器、１１……磁場、１２……メインプラズマ、
１３……イオンビーム、１４〜１７……電磁石、
１８〜２１……永久磁石、２２……発生される推
力の方向を表わしている。なお、図中同一符号は
同一又は相当部分を示す。 1a and 1b are diagrams showing an embodiment of the ion engine device that is a feature of this invention, and FIG. 2 is a diagram showing the direction of thrust generated in the ion engine device that is a feature of this invention. FIGS. 3a and 3b are views showing other embodiments of the ion engine device that is a feature of this invention, and FIGS. 4a and 4b are still other embodiments of the ion engine device that is a feature of this invention. FIG. 5 is a diagram showing still another embodiment of the ion engine device which is a feature of this invention, and FIG. 6 is a diagram showing an example of the conventional ion engine device. DESCRIPTION OF SYMBOLS 1... Ion extraction hole, 2... Discharge chamber outer cylinder, 3... Upstream magnetic pole plate, 4... Downstream magnetic pole plate, 5... Screen grid, 6... Discharge chamber, 7... Anode, 8... ...Hollow cathode, 9...Acceleration grid, 10...Magnetic field generator, 11...Magnetic field, 12...Main plasma,
13...Ion beam, 14-17...Electromagnet,
18-21...Permanent magnet, 22...Represents the direction of the generated thrust. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims

[Claims for Utility Model Registration] (1) In an ion engine device having a plasma source, an ion extraction mechanism attached to one end of the plasma source, and a magnetic field generator attached to surround the plasma source, An ion engine device having a function of controlling the shape and controlling the thrust direction by making the shape of the magnetic field variable. (2) A claim for utility model registration characterized in that two or more electromagnets are used as magnetic field generators, and the thrust direction is controlled by controlling the current flowing through each electromagnet and making the shape of the magnetic field variable. No.(1
) The ion engine device described in ). (3) It has both a permanent magnet and an electromagnet as a magnetic field generator, and when it is necessary to control the direction of thrust, the direction of thrust can be controlled by controlling the current flowing through the electromagnet and changing the shape of the magnetic field. An ion engine device according to claim (1) of the utility model registration claim. (4) Registration of a utility model characterized by having both or one of permanent magnet electromagnets as a magnetic field generator, and controlling the thrust direction by controlling the position of the magnetic field generator and making the magnetic field shape variable. An ion engine device according to claim (1). (5) It has a magnetic pole plate to control the shape of the magnetic field,
The ion engine device according to claim 1, which is a utility model, and is characterized in that the direction of thrust is controlled by changing the shape of the magnetic field by controlling the position or shape of the magnetic pole plate.