Solar water heater
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 20, 2004
Issued Date -
N/A
app pub date -
Apr 16, 2001
filing date -
Apr 17, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A solar water heater is provided. The heater features heat control so that a maximum temperature is automatically controlled. The heater is insulated to maintain a water temperature of water stored therein for long periods of time. The heater includes an insulated lens which transmits most solar radiation incident on its top surface through the lens. An air trap is located below the lens. A heat control valve opens the air trap to surrounding air when a maximum temperature for air within the air trap is exceeded. A heat absorption plate is located below the air trap. The plate is in contact with a heat transfer liquid within a liquid space below the plate. A heat exchanger is positioned within the space and routes water in heat transfer contact with the liquid within the space, while keeping the water isolated from the liquid within the space.
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Family
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