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Method and apparatus for monitoring the consumption of utilities in business premises

  • US 5,404,136 A
  • Filed: 02/19/1991
  • Issued: 04/04/1995
  • Est. Priority Date: 08/23/1988
  • Status: Expired due to Fees
First Claim
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1. A method of monitoring the consumption of utilities in business premises, in which the premises are notionally divided into zones, each of which contains at least one utility load to be supplied, characterized in that said method comprises the steps of:

  • associating utility metering means with each zone to record utility consumption within the associated zone and provide corresponding utility consumption data;

    notionally combining the zones into groups, each group including all of those zones which contribute to the provision of a specified product or service;

    and providing analysis means which are operable in relation to each group to provide analysis, said analysis provided in relation to each group comprising the steps of;

    (i) receiving the utility consumption data relating to the zones of that group and combining the received data to provide data concerning the total measured utility consumption within that group;

    (ii) storing asset data relating to the zones of that group and concerning the expected utility consumption within each of the zones under each of a set of operating conditions, and combining the asset data relating to the zones of that group to provide data concerning the total expected utility consumption within that group;

    (iii) comparing the total expected utility consumption data for that group with the total measured utility consumption data for that group; and

    (iv) supplying control data to a zone or zones within that group to enable utility consumption to be controlled in dependance on the result of the comparison.

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