Hand-held anemometer

Details Hand-held anemometer Hand-held anemometer

1976-04-26

1977-10-04

Myracle, Jerry W.

Measuring and testing

Volume or rate of flow

Tank type

267179, G01F 128

Patent

active

040517250

ABSTRACT:
An instrument for measuring wind velocity, utilizing impact wind pressure against a movable vane. A spring is used as a mechanical reference and, as such, balances the impact wind force generated against the vane. Flexible means are used to transfer vane motion to a circular indicator disc, which is calibrated in wind speed. Design of kinematic geometry, as well as a unique, non-linear, spring arrangement are employed to counter the square law wind force. Such employment is essential to prevent crowding at the low end of the speed-indicating scale, while maintaining practical full scale values, in a highly sensitive instrument.

REFERENCES:
patent: 868152 (1907-10-01), Atkinson
patent: 2889707 (1959-06-01), Snider
patent: 2979948 (1961-04-01), Gwathmey
patent: 3796097 (1974-03-01), Ruskin
patent: 3826136 (1974-07-01), Chang
patent: 3962918 (1976-06-01), Rosaen

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