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Invention Application
WO2004084383A1 DETECTION METHOD AND STRUCTURE WITH RFI CHOKE FOR BRUSH DC MOTOR 审中-公开
用于BRUSH直流电动机的RFI选择的检测方法和结构

  • Patent Title: DETECTION METHOD AND STRUCTURE WITH RFI CHOKE FOR BRUSH DC MOTOR
  • Patent Title (中): 用于BRUSH直流电动机的RFI选择的检测方法和结构
  • Application No.: PCT/CA2004/000421
    Application Date: 2004-03-22
  • Publication No.: WO2004084383A1
    Publication Date: 2004-09-30
  • Inventor: MAKARAN, John E.
  • Applicant: SIEMENS VDO AUTOMOTIVE INC.
  • Applicant Address: 700 Park Avenue East, Chatham, Ontario N7M 5M7 CA
  • Assignee: SIEMENS VDO AUTOMOTIVE INC.
  • Current Assignee: SIEMENS VDO AUTOMOTIVE INC.
  • Current Assignee Address: 700 Park Avenue East, Chatham, Ontario N7M 5M7 CA
  • Agency: MACRAE & CO.
  • Priority: US60/455,884 20030320; US10/803,567 20040318
  • Main IPC: H02K11/02
  • IPC: H02K11/02
DETECTION METHOD AND STRUCTURE WITH RFI CHOKE FOR BRUSH DC MOTOR
Abstract:
A brush type DC motor (10) having an armature (15) and positive and negative power leads is provided. The motor includes an RFI choke (12) as a transformer in series with at least one of the positive and negative power leads to amplify current such that rotation of the armature (15) can be detected based on monitoring a voltage relating to the amplified current. Conditioning circuitry (14) is constructed and arranged to condition the voltage for detecting rotation of the armature.
Abstract(Chinese):

提供具有电枢（15）和正负电源引线的电刷式直流电动机（10）。 电动机包括作为变压器的RFI扼流器（12）与正电源和负电源引线中的至少一个串联，以放大电流，使得可以基于监视与放大电流相关的电压来检测电枢（15）的旋转 。 调节电路（14）被构造和布置成调节电压以检测电枢的旋转。

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