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1. 发明授权

US5206469A Crash sensor 失效
标题翻译：碰撞传感器
公开(公告)号：US5206469A
公开(公告)日：1993-04-27
申请号：US730680
申请日：1991-07-16
申请人： Masaru Takeda , Akihiko Kuroiwa , Etsujiro Imanishi , Koji Minekubo , Tatsuo Munakata , Atsushi Taniguchi , Kazuyuki Kita , Masaharu Kakiya
发明人： Masaru Takeda , Akihiko Kuroiwa , Etsujiro Imanishi , Koji Minekubo , Tatsuo Munakata , Atsushi Taniguchi , Kazuyuki Kita , Masaharu Kakiya
IPC分类号： B60R21/01 , G01P15/135 , H01H35/14
CPC分类号： G01P15/135 , B60R21/0132 , H01H35/14 , H01H35/145
摘要： The crash sensor of the present invention comprises a magnet, a sensing mass made of a ferromagnetic material and attractable by the magnet, a sleeve made of a paramagnetic material and restricting the movement of the sensing mass in one direction, a pair of strips that make a closed circuit by contact with the sensing mass having moved in one direction and a body fitted with the magnet and housing the sensing mass, the sleeve and the contacts; the crash sensor further comprising a magnetic shield made of a ferromagnetic material and covering the magnet and the body. The magnetic shield forms a closed-type magnetic field by covering the magnet and the body and forms an appropriate magnetic loop in the vicinity of the sensing mass, so that the crash sensor also acts as a magnetic shield to protect itself from being influenced by outside ferromagnetic bodies and makes effective use of the magnetic force of the magnet. The above pair of strips are fitted in the same direction vertically on the inner wall of the body, whereby they do not project out in the axial direction so that the crash sensor can be of a reduced whole length, as well as of smaller outside diameter than conventional crash sensor with its contacts positioned facing each other.
摘要翻译：本发明的碰撞传感器包括磁体，由铁磁材料制成并且被磁体吸引的传感质量块，由顺磁性材料制成的套筒并限制感测体在一个方向上的移动，一对条带通过与感测质量块沿一个方向移动而接触的闭合电路和装配有磁体的主体并容纳感测块，套筒和触点; 碰撞传感器还包括由铁磁材料制成并覆盖磁体和主体的磁屏蔽。磁屏蔽通过覆盖磁体和主体而形成闭合磁场，并在感测质量块附近形成适当的磁环，使得碰撞传感器也充当磁屏蔽，以保护自身免受外界的影响铁磁体，有效利用磁铁的磁力。上述一对条带在主体的内壁上垂直相同的方向嵌合，从而它们不会在轴向方向上突出，使得碰撞传感器可以具有缩短的整个长度以及更小的外径比传统的碰撞传感器，其触点定位为彼此面对。

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