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Apparatus and system for filling one or more containers with a liquid to a predetermined level

  • US 4,527,593 A
  • Filed: 05/04/1983
  • Issued: 07/09/1985
  • Est. Priority Date: 05/04/1983
  • Status: Expired due to Term
First Claim
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1. An apparatus for filling a container with a liquid to a predetermined level comprising:

  • main valve means for controlling the supply of liquid to the container;

    fluid amplifier means for receiving at least a portion of the liquid flowing through said main valve means and for generating a pressure signal in response to the flow of said liquid through the main valve means only until the liquid within said container reaches said predetermined level; and

    pilot valve means for maintaining the main valve means open in the presence of said pressure signal and for closing said main valve means in the absence of said pressure signal.

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