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564results about "Temperature control without auxillary power" patented technology

Beverage dispenser having selectable temperature

The present invention dispenses hot coffee or other beverage by the cup at a selected temperature, which can be varied from cup-to-cup. The beverage is brewed in a conventional way, and in one embodiment is stored in a conventional holding tank at elevated temperature. The holding tank communicates with two smaller reservoirs. A quantity of beverage is stored in a first reservoir at an elevated temperature, at or above the maximum desired dispensing temperature. A second quantity of beverage is cooled and stored in a second reservoir at a lower temperature, at or below the minimum desired dispensing temperature. When a cup of beverage is to be dispensed, the temperature is selected, and a quantity of beverage is dispensed from each of the reservoirs, proportioned so that the resulting dispensed beverage is at the selected temperature. In another embodiment, the first reservoir is omitted, and beverage from the holding tank provides the elevated temperature beverage for mixing. In several other embodiments, no cooling mechanism is needed. Instead, the holding tank is at a cooler temperature than the lowest vend temperature, and the beverage must be heated to the hot reservoir temperature and, in one embodiment, the cold reservoir temperature. In another embodiment, the holding tank functions as a cold reservoir. In still another embodiment requiring no heaters, the holding tank is eliminated, and the beverage is held in insulated chambers at the higher and lower temperatures.
Owner:GREENWALD TECH

Control for a heating and/or cooling unit

A climate control system having a heating and cooling unit is provided for supplying conditioned air to a space is provided that comprises one or more remote temperature sensors for transmitting sensed temperature for the space. The heating and cooling system comprises a combustion air blower, a burner, an igniter, a gas valve, and a circulating air blower to provide heating operation, and a compressor relay and circulating air blower for providing cooling operation. A control mounted on the indoor heating and cooling unit has a receiving means for receiving the transmitted information, a plurality of switching means for individually switching power to the combustion air blower, igniter, gas valve and circulating air blower to establish heating operation, and a plurality of switching means for switching power to the compressor relay and circulation air blower to establish cooling operation. The control responsively controls the plurality of switching means to establish heating operation when at least one remote temperature sensor transmits a sensed temperature that is more than a predetermined amount below the desired heating set point temperature, or responsively controls the plurality of switching means to establish cooling operation when at least one remote temperature sensor transmits a sensed temperature that is more than a predetermined amount above the desired cooling set point temperature.
Owner:COPELAND COMFORT CONTROL LP
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