Air sock

Details Air sock Air sock

1979-11-16

1981-09-01

Myracle, Jerry W.

Measuring and testing

Navigation

Leeway incidence or side-slip

G01W 102

Patent

active

042864631

ABSTRACT:
An air sock for indicating wind speed as well as direction is the subject of the present invention. A fabric type sock member is mounted on an upright standard for pivotal movement about its longitudinal axis. A spring is provided for existing pivotal movement and an arrangement is also provided for effecting pivotal movement in response to wind speed. The air sock is divided into equal quadrants of different colors so that, as the wind speed increases, a different color will be visible from an aircraft overhead. In one form of the invention, a torsion spring is utilized to resist the pivotal movement and an impeller is provided for effecting the pivotal movement. In an alternative form of the invention, a single tension spring is utilized to resist the pivotal movement and also effect the movement in response to increases in wind speed.

REFERENCES:
patent: 3074372 (1963-01-01), Furey
patent: 3696672 (1972-10-01), Lindsay
patent: 4155252 (1979-05-01), Morrill

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