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Volumetric Metering Unit

  • US 20160333868A1
  • Filed: 07/28/2016
  • Published: 11/17/2016
  • Est. Priority Date: 10/31/2013
  • Status: Active Grant
First Claim
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1. A device for metering at least one medium from at least one storage tank by a metering device and using a piston pump, which has a cylinder and a movable piston, which together define a working chamber, wherein the cylinder has at least one inlet line having an inlet valve and at least one outlet line having an outlet valve, through which at least the medium flows into or out of the working chamber,wherein the inlet line is implemented on the cylinder as a ring line, which is arranged outside the working chamber of the cylinder and is implemented as a medium-conducting connection between the outlet and the inlet of the at least one storage tank, from which at least one tap line branches, which is connected to the inlet valve.

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