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US 7,672,576 B2Granted
Water dispenser with sabbath function
OwnerIlan Grossbach, Joseph Bachinventors
Life of this patent
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Abstract
Water dispensers are disclosed which include a Sabbath function. When activating the Sabbath function, water refill of the hot water reservoir tank is prevented and the heating of the water in the hot reservoir tank is modified to provide a constant heating at a less than boiling temperature.
Claims20
A water dispenser having a daily operational mode and a Sabbath operational mode, comprising:
- a water inlet;
- a hot water reservoir;
- a water valve operable to control flow of water from said water inlet to said hot water reservoir;
- a water heater system;
- a controller operable in a Sabbath mode to turn off said water valve to prevent water flow from said water inlet to said hot water reservoir.
2 more elements
A method for operating a water dispenser in a daily mode and a Sabbath mode, said water dispenser having a hot water reservoir comprising a heater system and a water valve, the method comprising:
- during daily mode, operating said valve to refill said reservoir whenever water level in said reservoir falls below a prescribed refill level to thereby maintain the water level at the prescribed level;
- and,
- during Sabbath mode, operating said valve to prevent refill of said reservoir and thereby permit the water level to drop below the prescribed level.
A water dispenser comprising:
- a hot water dispensing system comprising hot water valve for dispensing hot water;
- a reheat water dispensing system comprising reheated water valve for dispensing reheated water;
- and,
- a selectable mechanism having a first mode enabling water dispensing from the reheated water valve and a second Sabbath mode disabling dispensing of water from the reheated water valve.
1 more element
Dependencies are inferred from the claim text.