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Motor with electronic distributing configuration

  • US 5,982,118 A
  • Filed: 07/27/1998
  • Issued: 11/09/1999
  • Est. Priority Date: 08/06/1997
  • Status: Expired due to Fees
First Claim
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1. A motor comprising:

  • a movable member;

    plural-phase windings;

    voltage supplying means for supplying a DC voltage,Q pieces (Q is an integer of 3 or more) of first power amplifying means each including a first FET power transistor for forming a current path between a negative terminal side of said voltage supplying means and one of said plural-phase windings;

    Q pieces of second power amplifying means each including a second FET power transistor for forming a current path between a positive terminal side of said voltage supplying means and one of said plural-phase windings;

    altering signal producing means for producing plural-phase altering signals;

    first distribution control means for controlling said Q pieces of first power amplifying means responding with output signals of said altering signal producing means;

    second distribution control means for controlling said Q pieces of second power amplifying means responding with output signals of said altering signal producing means; and

    switching operation means for causing at least one piece of said Q pieces of first power amplifying means and said Q pieces of second power amplifying means to perform high-frequency switching,and thatsaid first distribution control means and said second distribution control means include means for supplying at least a current signal, varying smoothly or substantially smoothly at least in rising and/or falling slopes to a conduction control terminal side of at least one piece of said Q pieces of first power amplifying means and said Q pieces of second power amplifying means.

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