Hot water controller
First Claim
1. A system for controlling the heating of water in a tank, said water in said tank being heated by a first heater and a second heater, said system comprising:
- a timer adapted to keep time;
temperature sensor means for monitoring the temperature of water in said tank both at a first position and the temperature of water in said tank at a second position;
a controller for setting a first set point temperature, for varying said first set point temperature over time, for setting a second set point temperature, and for varying said second set point temperature over time;
first activation means for activating said first heater to maintain the temperature of water in said tank at said first position at about said first set point temperature at a first specified time; and
second activation means for activating said second heater to maintain the temperature of water in said tank at said second position at about said second set point temperature at a second specified time.
1 Assignment
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Accused Products
Abstract
This is a system for controlling the heating of water in the tank, water in tank adapted to be heated by a first heater and a second heater, the system comprises a timer adapted to keep time, and a sensor to monitor the temperature of the water in the tank at a first position and the temperature of the water in the tank at a second position. The system is adapted to set a first set point temperature at a specified time and the first set point temperature is varied by the system over time. The system is also being adapted to set a second set point temperature the second set point temperature also being varied by the system over time. The system has an activator to activate the first heater to maintain the temperature of water in the tank at the first position at about the first set point temperature at a specified time. The system has an activator to activate the second heater to maintain the temperature of water in the tank at the second position at about the second set temperature at a specified time.
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Citations
23 Claims
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1. A system for controlling the heating of water in a tank, said water in said tank being heated by a first heater and a second heater, said system comprising:
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a timer adapted to keep time; temperature sensor means for monitoring the temperature of water in said tank both at a first position and the temperature of water in said tank at a second position; a controller for setting a first set point temperature, for varying said first set point temperature over time, for setting a second set point temperature, and for varying said second set point temperature over time; first activation means for activating said first heater to maintain the temperature of water in said tank at said first position at about said first set point temperature at a first specified time; and second activation means for activating said second heater to maintain the temperature of water in said tank at said second position at about said second set point temperature at a second specified time. - View Dependent Claims (2, 3, 4, 5)
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6. A system for controlling the heating of water in a tank, said tank having a first and second heater for heating said water, comprising:
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a first module for activating said first heater to maintain water in said tank proximate said first heater at a first selectable temperature, said first selectable temperature being variable over time; a second module for activating said second heater to maintain water in said tank proximate said second heater at a second selectable temperature, said second selectable temperature being variable over time; and said first module comprising a processor for the exchange of data between said first and second modules said data used in controlling activation of said second heater; communication means between said first and second modules for permitting said exchange of data between said first and second modules; wherein said first and second selectable temperatures are substantially independent. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method for controlling the temperature of water in a hot water tank comprising the steps of
a) selecting a first first location set-point temperature and maintaining the temperature of water proximate a first location of said tank at about said first first location set-point temperature during a first time interval; -
b) selecting a first second location set-point temperature and maintaining the temperature of water proximate a second location of said tank at about said first second location set-point temperature during said first time interval; c) selecting a subsequent first location set-point temperature and maintaining the temperature of water proximate said first location of said tank at about said subsequent first location set-point temperature during a subsequent time interval; d) selecting a subsequent second location set-point temperature and maintaining the temperature of water proximate said second location of said tank at about said subsequent second location set-point temperature during said subsequent time interval. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23)
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Specification