Energy Audit Corporation

Edward N Chamberlain

Mark C Grossmeyer

A device for displaying power consumption rates includes a register for storing and displaying the cost of a unit of power, e.g., the cost per kilowatt hour as assessed by the local power company. A first display indicates the cost of power consumed over a first time period (such as an hour) based upon the then-existing instantaneous rate of power use. A second display indicates the cost of power projected to be consumed over a second time period such as a day, assuming that the then-existing instantaneous rate of power usage is maintained. A third display indicates the cost of power projected to be consumed over a third time period such as 30 days while fourth, fifth and sixth displays provide the instantaneous rate at which power is being consumed as well as totalized actual costs over two different time periods. A register is equipped with structure for adjustment whereby the cost stored in the register of a unit of power may be changed. The information displayed by the device may thereby be kept current and accurate even though electrical rates may change. The front panel of the device is 'human engineered' for easy readability and first presentation of the most important information.

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Racine, WI, United States of America

Edward N Chamberlain