Invention Grant
US08134437B2 Eddy current inductive drive electromechanical linear actuator and switching arrangement 有权
涡流感应驱动机电线性致动器和开关装置

  • Patent Title: Eddy current inductive drive electromechanical linear actuator and switching arrangement
  • Patent Title (中): 涡流感应驱动机电线性致动器和开关装置
  • Application No.: US11920785
    Application Date: 2006-05-20
  • Publication No.: US08134437B2
    Publication Date: 2012-03-13
  • Inventor: Elliot Brooks
  • Applicant: Elliot Brooks
  • Applicant Address: US CA San Juan Capistrano
  • Assignee: PowerPath Technologies LLC
  • Current Assignee: PowerPath Technologies LLC
  • Current Assignee Address: US CA San Juan Capistrano
  • Agent D. Stein
  • International Application: PCT/US2006/019779 WO 20060520
  • International Announcement: WO2006/127628 WO 20061130
  • Main IPC: H01F7/08
  • IPC: H01F7/08
Eddy current inductive drive electromechanical linear actuator and switching arrangement
Abstract:
The present invention is directed to an inductively driven electromagnetic linear actuator arrangement employing eddy currents induced by a fixed drive coil to drive its armature. Eddy current focusing fields are employed to direct the eddy currents using Lorentz forces to maximize armature speed. The armature includes a shorted driven coil in a DC magnetic field. This can be supplied by a permanent magnet. When current is applied, a force is felt by the coil in a direction perpendicular to the magnetic field. Such an actuator is well suited for electrical switching applications including transfer switching applications, circuit breaker applications, and ground fault interrupter applications.
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