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MANUALLY OPERABLE DRIVE MODULE

  • US 20110057131A1
  • Filed: 09/08/2010
  • Published: 03/10/2011
  • Est. Priority Date: 09/08/2009
  • Status: Active Grant
First Claim
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1. A valve drive system comprising:

  • a valve drive device;

    a hand-operated apparatus to trigger control actions in the valve drive device, wherein the hand-operated apparatus includes a magnet arrangement; and

    wherein the valve drive device includes a magnetic field sensor arrangement adjusted to the magnet arrangement of the hand-operated apparatus.

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