Digital wind-speed meter

Details Digital wind-speed meter Digital wind-speed meter

1994-08-25

1996-08-20

Chilcot, Richard

Measuring and testing

Volume or rate of flow

Using rotating member with particular electrical output or...

G01F 1500

Patent

active

055468152

ABSTRACT:
An improved digital wind-speed meter based on a digital optical tachometer (20) that may also be used independently to measure the angular velocity of propellers or fans. The improved wind-speed meter consists of a turbine (1) mounted between two bearings (4, 5) and containing a polished metal cylinder (3) with alternate reflecting and non-reflecting peripheral regions to change the light reflected by lamp (12) into a light guide, e.g. plastic rod (14), which conducts light to the digital optical tachometer. The turbine head, containing a mounting tube (15) may be rotated about this tube's axis to change the direction of the display relative to the wind direction. By changing the direction of the display in this way, the wind-speed meter provides easier and more convenient use than existing wind-speed meters when measuring the wind speed produced by fans or propellers, or the airspeed of wind-propelled craft such as sailboats and gliders.

REFERENCES:
patent: 2723562 (1955-11-01), Lutz et al.
patent: 3217539 (1965-11-01), Owen et al.
patent: 3771362 (1973-11-01), Roberts
patent: 4324144 (1982-04-01), Miyata et al.
patent: 4823080 (1989-04-01), Lin

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