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Rotary motor systems and methods thereof

  • US 9,362,851 B2
  • Filed: 08/26/2013
  • Issued: 06/07/2016
  • Est. Priority Date: 08/27/2012
  • Status: Active Grant
First Claim
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1. A rotary motor comprising:

  • a vibrating motor body substantially enclosed within a housing, wherein the vibrating motor body is substantially a tube having two orthogonal first bending modes;

    a shaft frictionally coupled to the vibrating motor body, the shaft arranged to rotate in at least one direction about a rotation axis in response to the vibrating motor body, wherein the shaft is frictionally coupled the vibrating motor body by a force substantially perpendicular to the rotation axis;

    at least one unbalanced mass coupled to and moveable with the shaft to generate human-detectable vibrations in response to a motion of the shaft; and

    one or more bearings supporting the shaft and connected to the housing, wherein the one or more bearings define the axis of rotation of the shaft.

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