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Device for metering fluids

  • US 8,251,081 B2
  • Filed: 02/19/2007
  • Issued: 08/28/2012
  • Est. Priority Date: 02/19/2007
  • Status: Active Grant
First Claim
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1. A device comprising:

  • a block having a channel connecting a fluid inlet in fluid communication with a fluid outlet;

    a filter assembly within the channel;

    a fluid meter within the channel at a position downstream from the filter assembly;

    a check valve assembly within the channel at a position downstream from the fluid meter; and

    a calibration valve assembly within a channel section of the channel between the fluid outlet and the fluid meter, the calibration valve assembly operable to move between a first position allowing passage of fluid from the fluid meter towards the fluid outlet and a second position blocking the passage of fluid from the fluid meter towards the fluid outlet;

    wherein the calibration valve assembly, when in the second position, is in fluid connection with a calibration channel present within the block.

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