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2. 发明授权

US5474100A Electricity/air pressure converter 失效
标题翻译：电力/空气压力转换器
公开(公告)号：US5474100A
公开(公告)日：1995-12-12
申请号：US302125
申请日：1994-09-07
申请人： Takashi Nishijima , Atsushi Kimura , Yasuo Kasahara , Masahito Tsuchiya
发明人： Takashi Nishijima , Atsushi Kimura , Yasuo Kasahara , Masahito Tsuchiya
IPC分类号： F15B5/00 , G05D16/20 , G05B11/50 , F16K31/08
CPC分类号： G05D16/2013 , Y10T137/2278 , Y10T137/794
摘要： An electricity/air pressure converter comprising a pair of housings, made of a soft magnetic material, in the middle of which pole pieces are disposed facing each other with an air gap therebetween and which have a cylindrically formed outer circumferential portion; a permanent magnet secured to one of the housings at one end thereof and surrounding one of the pole pieces; a movable member, made of a magnetic material and having spring properties, which is secured to the other end of the permanent magnet and which faces the pole pieces in the air gap; a coil which is wound around the other housing so that it surrounds the pole pieces and through which a current signal flows; and a nozzle which is disposed to face the movable member around the center of either of the pole pieces and which is in communication with one end of a restrictor which is supplied with a supply air pressure at the other end thereof, wherein back pressure is generated at the nozzle according to current signals being outputted as an air pressure signal. Advantageously, the configuration of the invention is compact, and is easily manufactured at low cost, and is highly reliable and stable.
摘要翻译：一种电/空气压力转换器，包括由软磁材料制成的一对壳体，其中的极片彼此面对地设置有间隙，并且具有圆柱形的外周部分; 永磁体，其一端固定到所述壳体中的一个并围绕所述极片之一; 由磁性材料制成并具有弹性的活动件，其固定在永磁体的另一端并面对气隙中的极片; 缠绕在另一个壳体上的线圈，使得它围绕极片并且电流信号流过该线圈; 以及喷嘴，其设置成面对可动构件，围绕任一个极片的中心并与限流器的另一端的供给空气压力的一端连通，其中产生背压根据当前信号作为空气压力信号输出。有利地，本发明的结构是紧凑的，并且容易以低成本制造，并且是高度可靠和稳定的。

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