Measuring and testing – Fluid flow direction – Using a fluid actuated alignment device
Patent
1999-09-16
2000-12-12
Fuller, Benjamin R.
Measuring and testing
Fluid flow direction
Using a fluid actuated alignment device
7317007, C08G 7310
Patent
active
061582786
ABSTRACT:
A device for switching an electrical signal as a function of wind speed that includes a wind vane, a shaft, an actuation unit, an electrical switch, and a reset unit. The shaft is attached to the wind vane such that the wind acting on the wind vane causes the shaft to rotate in a first rotational direction. The shaft has a first, a second, a third, and a fourth shaft position. The electrical switch has a first and a second switch position. The actuation unit, which has an actuation unit biasing element, is capable of engaging the shaft and the electrical switch. The actuation unit supplies a first actuation resistance to shaft rotation at the first shaft position and switches the electrical switch from a first to a second switch position at the second shaft position. The reset unit, which has a reset unit biasing element, is capable of engaging the shaft and supplies a first reset resistance to shaft rotation at the third shaft position. The first actuation resistance to shaft rotation may be varied from a high first actuation resistance to a low first actuation resistance. The first reset resistance to shaft rotation may be varied from a high first reset resistance to a low first reset resistance.
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Aw-Musse Abdullahi
Fuller Benjamin R.
Hunter Industries, Inc.
Jester Michael H.
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