Closed-path linear motor

  • US 6,713,902 B2
  • Filed: 06/06/2002
  • Issued: 03/30/2004
  • Est. Priority Date: 02/26/1998
  • Status: Expired due to Term
First Claim
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1. A linear motor system comprising:

  • a linear path for supporting and guiding a plurality of stages, the linear path having a plurality of armature windings thereon;

    a plurality of switches, a subset of the switches being connected with respective armature windings; and

    a plurality of stages, a subset of the stages having at least one switching magnet and at least one motor magnet on at least one stage, wherein the subset of switches respectively close when under the influence of the at least one switching magnet such that power can be applied to the respective armature windings to interact with the at least one motor magnet and effect movement of the at least one stage along the path.

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