Airport wind direction and velocity indicator

Details Airport wind direction and velocity indicator Airport wind direction and velocity indicator

1993-01-19

1994-06-28

Chilcot, Jr., Richard E.

Measuring and testing

Fluid flow direction

Using a fluid actuated alignment device

7317006, 7317005, 340949, G01F 100

Patent

active

053236491

ABSTRACT:
A tetrahedron-shaped airport wind direction and velocity indicator being triangular in cross-section with first and second sides sloping downward from a top edge, such sides coming to a point at the front of the device with the device adapted to point into the wind. The device has illuminable numerical indicia for displaying wind speed on its first and second sides and illuminable side edges for night time viewing of the device from above with the direction of the device indicating wind direction.

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patent: 4812844 (1989-03-01), Kalltrom
patent: 5105191 (1992-04-01), Keedy

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