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Method of driving a centrifuge and device for carrying out the method

  • US 4,805,659 A
  • Filed: 03/31/1987
  • Issued: 02/21/1989
  • Est. Priority Date: 04/10/1986
  • Status: Expired due to Fees
First Claim
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1. A device for regulating flow comprising:

  • a flow channel;

    adjustable flow regulating means for controlling the flow of fluid containing solids from the channel including a valve piston;

    means for adjusting the flow regulating means as a function of the viscosity of the fluid in the channel comprising a flow-body disposed in the channel and configured to obtain an increase in the force exerted on it by solids in a fluid in response to an increase in the viscosity of the fluid and a rod downstream of the flow body and connecting the flow body to the valve piston, a common housing for the flow channel and the flow regulating means and having an intake and two outlets;

    wherein the flow regulating means further comprises means forming a first constriction between the flow channel and one outlet and a second constriction between the flow channel and the outlet and wherein the piston is configured to reduce the open cross-section of one of the first and second constrictions while increasing the open cross section of the other of the first and second constrictions in response to the movement of the piston by the flow body, a second channel extending from the intake to the first mentioned channel and a third channel extending from the intake to one outlet.

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