Measuring and testing – Fluid flow direction – With velocity determination
Patent
1998-04-06
1999-06-29
Biegel, Ronald L.
Measuring and testing
Fluid flow direction
With velocity determination
7317016, G01W 100
Patent
active
059182768
ABSTRACT:
A system for monitoring the wind speed experienced at a particular residential location includes a roof housing with a cup-type anemometer having three or four concave cups attached to a rotatable vertical shaft. The cups resist the wind, causing the cups and shaft to rotate at a rate proportional to the wind speed. Shaft is rotatably joined to a dynamo which converts the mechanical energy derived from rotation of the shaft into electricity. Voltage from the dynamo is then transferred to rechargeable batteries which power the system. An array of solar panels is also utilized to recharge the batteries. The shaft includes a mark detectable by a photomicrosensor through which the shaft extends, allowing the photomicrosensor to count the number of shaft revolutions. This data is sent at fixed time intervals to a logic circuit housed within a display unit. The logic circuit calculates wind speed according to the number of shaft revolutions detected within a fixed time interval. An LED on the display unit corresponding to an appropriate Beufort Scale wind classification is then activated and the wind speed is digitally displayed. An audible alarm within the display unit is activated if the wind speed exceeds a predetermined speed.
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Cummings Dale D.
Grindle Jimmy
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