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Pressure-compensated liquid dispenser

  • US 6,161,726 A
  • Filed: 12/24/1998
  • Issued: 12/19/2000
  • Est. Priority Date: 12/24/1998
  • Status: Expired due to Term
First Claim
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1. A fluid-dispensing system including:

  • A) a container forming a reservoir for a pressurized fluid; and

    B) at least one flow controller, each of which comprises;

    i) a conduit forming a flow-resistant passage that communicates with the interior of the reservoir;

    ii) an electric valve operable by application of control signals thereto to control fluid flow through the conduit; and

    iii) a transit-chamber assembly forming a transit chamber into which the conduit provides fluid communication from the reservoir'"'"'s interior when the valve is open, the transit chamber having a transit-chamber outlet resiliently expandable in response to pressure so as to reduce the transit-chamber pressure'"'"'s dependence on the pressure in the reservoir.

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