Method of making dished ion thruster grids
    1.
    发明授权
    Method of making dished ion thruster grids 失效
    制造离子色谱柱的方法

    公开(公告)号:US3864797A

    公开(公告)日:1975-02-11

    申请号:US35238173

    申请日:1973-04-18

    Applicant: NASA

    Inventor: BANKS BRUCE A

    CPC classification number: F03H1/0043 H01J19/00 H01J2893/0022

    Abstract: A pair of flat grid blanks are clamped together at their edges with an impervious metal sheet on top. All of the blanks and sheets are dished simultaneously by forcing fluid to inflate an elastic sheet which contacts the bottom grid blank. A second impervious metal sheet is inserted between the two grid blanks if the grids have high percentage open areas. The dished grids are stress relieved simultaneously.

    Abstract translation: 一对平的格栅坯料在其边缘被夹在一起,顶部有不透水的金属片。 通过迫使流体使接触底部网格坯料的弹性片体膨胀,所有坯料和片材同时进行凹陷​​。 如果栅格具有高百分比的开放面积,则在两个格栅坯之间插入第二不透水金属片。 碟形网格同时应力消除。

    Apparatus for forming dished ion thruster grids
    5.
    发明授权
    Apparatus for forming dished ion thruster grids 失效
    用于形成碟形离子推进器网格的装置

    公开(公告)号:US3914969A

    公开(公告)日:1975-10-28

    申请号:US46290374

    申请日:1974-04-22

    Applicant: NASA

    Inventor: BANKS BRUCE A

    Abstract: An impervious metal sheet is placed on top of a pair of flat grid blanks which are clamped together at their edges. An elastic sheet contacts the bottom grid blank, and a second impervious metal sheet is inserted between the two grid blanks if the grids have high percentage open areas. All of the blanks and sheets are dished simultaneously by forcing fluid to inflate the elastic sheet. The dished grids are also stress relieved simultaneously.

    Abstract translation: 不透水的金属片被放置在一对平的栅格坯料的顶部,它们在它们的边缘被夹在一起。 如果网格具有高百分比的开放面积,则弹性片接触底部网格坯料,并且第二不透水金属片插入在两个格栅坯之间。

    Ion beam deflector
    6.
    发明授权
    Ion beam deflector 失效
    离子束偏转器

    公开(公告)号:US3552125A

    公开(公告)日:1971-01-05

    申请号:US3552125D

    申请日:1969-06-06

    Applicant: NASA

    CPC classification number: F03H1/0043 B64G1/405

    Abstract: ELECTRICALLY ORIENTING THE THRUST VECTOR OF AN ELECTROSTATIC ION THRUSTOR HAVING A GLASS-COATED GRID SYSTEM. HIGHLY NEGATIVE POTENTIALS ARE APPLIED TO CONDUCTORS THAT ARE MOUNTED IN PAIRS AND ARRANGED IN ARRAYS TO FORM THE GRID. THESE ELECTRICAL POTENTIALS ARE INDEPENDENTLY VARIED IN EACH ARRAY TO OBTAIN THE DESIRED AMOUNT OF ION BEAM VECTORING.

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