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Micromotors, linear motors and microactuators for controlling flow properties of fluids

  • US 6,530,217 B1
  • Filed: 06/04/2001
  • Issued: 03/11/2003
  • Est. Priority Date: 03/28/1997
  • Status: Expired due to Fees
First Claim
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1. A micromotor comprising a container filled with an electro-sensitive movable fluid, a lid closing the container by being engaged with an open top of the container, a rotating shaft borne by a shaft hole provided at the center of the lid and a bearing section provided at the center of a bottom of the container, a rotator fixed to the rotating shaft and rotatable together with the rotating shaft, and electrodes arranged on an upper surface of the bottom of the container and/or a lower surface of the lid of the container in such a manner that the electrodes are in contact with the electro-sensitive movable fluid, wherein the electrodes produce a jet flow of the electro-sensitive movable fluid upon application of a voltage, and wherein the diameter of the rotator is larger than the maximum thickness of the rotator.

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