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    • 63. 发明授权
    • Methods and apparatus to reduce wear on sliding surfaces
    • 降低滑动面磨损的方法和装置
    • US5466979A
    • 1995-11-14
    • US26676
    • 1993-03-03
    • Michael D. BryantJau-Wen Lin
    • Michael D. BryantJau-Wen Lin
    • H01R39/46H01R39/56H02K13/00H01R39/18H01R39/24
    • H01R39/46H01R39/56
    • Methods and apparatus to reduce wear on surfaces in sliding contact by inducing vibratory movement in one or more of the surfaces. The movement is substantially perpendicular to a plane of contact between the surfaces and substantially nonuniform across the area of contact. The nonuniform vibratory motion of one surface with respect to another results in small rotational vibration of one surface with respect to another even as contact is maintained between the surfaces. Rotational motions tend to decrease surface wear due to thermal mounding by moving the zone of actual contact with time; rotational motions also open temporary gaps between the surfaces which allow the escape of wear particles, thus decreasing subsequent abrasive wear. The invention may be applied to sliding electrical contacts, either linear or rotating, and to sliding frictional contacts, as in brakes and clutches. Application of the invention reduces wear on electrical contacts while maintaining electrical continuity, and reduces wear on brake system components without substantially reducing effective braking force.
    • 通过在一个或多个表面中引起振动运动来减少滑动接触表面上的磨损的方法和装置。 该运动基本上垂直于表面之间的接触平面并且在接触区域上基本上不均匀。 一个表面相对于另一个表面的不均匀的振动运动导致一个表面相对于另一个表面的小的旋转振动,即使在表面之间保持接触。 旋转运动倾向于通过随时间移动实际接触区域而减少由于热堆叠导致的表面磨损; 旋转运动也打开表面之间的临时间隙,这允许磨损颗粒的逸出,从而减少随后的磨损。 本发明可以应用于线性或旋转的滑动电触点,以及制动器和离合器中的滑动摩擦触点。 本发明的应用减少了电触头的磨损,同时保持了电气连续性,并且减少了制动系统部件的磨损,而基本上不降低有效的制动力。
    • 64. 发明授权
    • Miniature motor
    • 微型电机
    • US5357159A
    • 1994-10-18
    • US78440
    • 1993-06-16
    • Kenji HagiwaraIsao ShibuyaKazutoshi Yoshimura
    • Kenji HagiwaraIsao ShibuyaKazutoshi Yoshimura
    • H01R39/18H02K13/00H02K13/10H02K23/00H02K5/12
    • H02K13/10
    • A miniature motor comprising a case made of a metallic material, formed into a bottomed hollow cylindrical shape and having permanent magnets on the inner circumferential surface thereof, a rotor consisting of an armature facing the permanent magnets and a commutator, and a case cap fitted to an open end of the case and having brushes making sliding contact with the commutator and input terminals electrically connected to the brushes; the rotor being rotatably supported by bearings provided on the bottom of the case and the case cap, in which an internal space defined by the case and the case cap is filled with an atmosphere of one or more than two types of polymethacrylate, polyacrylate, polyisobutylene, low molecular weight polyethylene, low molecular weight polypropylene, ethylene-propylene copolymer, polyvinyl acetate, and polybutene.
    • 一种微型电动机,包括由金属材料制成的壳体,其形成为有底的中空圆筒形状并且在其内圆周表面上具有永磁体;转子,其由面对永磁体的电枢和换向器组成,壳体盖安装到 壳体的开口端,并且具有与换向器滑动接触的电刷和与电刷电连接的输入端子; 转子由壳体底部的轴承和外壳盖可旋转地支撑,其中由壳体和壳盖限定的内部空间填充有一种或多于两种类型的聚甲基丙烯酸酯,聚丙烯酸酯,聚异丁烯 ,低分子量聚乙烯,低分子量聚丙烯,乙烯 - 丙烯共聚物,聚乙酸乙烯酯和聚丁烯。
    • 65. 发明授权
    • Resilient metal contact brush
    • 弹性金属接触刷
    • US5295876A
    • 1994-03-22
    • US6884
    • 1993-01-21
    • Christopher CosbyPaul Higgs
    • Christopher CosbyPaul Higgs
    • H01R39/18H01R13/00
    • H01R39/18
    • A resilient metal contact brush for use in controlling an electric motor, comprises a strip-like metal member having at one end thereof a contact head protruding at an angle to the plane of the strip-like member and at the other end thereof a fixing means. The contact head is an integral portion of the strip-like member and is formed by the juxtaposition of two flat ear-like protrusions formed on the strip-like member adjacent the one end thereof. Each ear-like protrusion is initially located at a respective edge of, and in the plane of, the strip-like member adjacent the one end thereof. The contact head is formed by first bending each ear-like protrusion through an angle of 180.degree. to place it in close contact with a central portion of the strip-like member adjacent the one end, to produce a head portion having at least double the thickness of the strip-like member and then bending the head portion thus formed at an angle to the plane of the strip-like member along a line adjacent the head portion which extends at right angles to a longitudinal axis of the strip-like member. The contact head of the contact brush presents a narrow rectangular contact area for making contact with a contact strip of a control system for a windscreen wiper electric motor.
    • 一种用于控制电动马达的弹性金属接触刷,包括带状金属件,其一端具有与该带状部件的平面成一定角度的接触头,另一端具有固定装置 。 接触头是带状构件的整体部分,并且通过在与其一端相邻的带状构件上形成的两个平的耳状突起并置而形成。 每个耳状突起物最初位于邻近其一端的条状构件的相应边缘并且在其平面中。 接触头通过首先将每个耳状突起弯曲180度的角度来形成,以使其与邻近一端的条状构件的中心部紧密接触,以产生具有至少两倍于 然后将带状部件的平面弯曲成一定角度的头部部分,该头部部分沿着与该条状部件的纵向轴线成直角延伸的与头部相邻的线。 接触刷的接触头具有窄的矩形接触区域,用于与风挡玻璃刮水器电动机的控制系统的接触条接触。