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Electric motor

  • US 6,734,589 B2
  • Filed: 05/07/2002
  • Issued: 05/11/2004
  • Est. Priority Date: 05/10/2001
  • Status: Expired due to Fees
First Claim
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1. An electric motor converting an electric energy into a mechanical rotational energy comprising:

  • a motor assembly having a motor housing, said motor housing receiving a magnetic field system for supplying a magnetic flux to an inner portion of said motor housing and receiving an armature provided with an armature coil; and

    a control device, which is provided in the inner portion of said motor housing, and in which an electronic circuit for controlling said motor assembly is formed, wherein said motor housing is formed by a yoke formed in a closed-end cylindrical shape and by a lid member mounted to an opening end of said yoke, said lid member is formed in a closed-end cylindrical shape, and said electronic circuit is formed on an inner peripheral surface of said lid member.

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