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Fresh water control system and method

  • US 5,175,892 A
  • Filed: 04/10/1990
  • Issued: 01/05/1993
  • Est. Priority Date: 06/27/1988
  • Status: Expired due to Term
First Claim
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1. The method of controlling operation of a plurality of liquid utilizing fixtures, comprising the steps of:

  • a) initially establishing a maximum liquid flow rate;

    b) thereafter determining which of the fixtures requires operation;

    c) thereafter determining the liquid flow rate of the fixture requiring operation before operation thereof;

    d) thereafter calculating whether operation of the fixture requiring operation will cause the maximum liquid flow rate to be exceeded; and

    e) thereafter causing the fixture requiring operation to operate if the maximum liquid flow rate will not be exceeded and preventing operation of the fixture requiring operation until sufficient liquid capacity is available if the maximum flow rate would be exceeded.

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