Meteorological measuring apparatus

Details Meteorological measuring apparatus Meteorological measuring apparatus

1977-05-09

1978-09-12

Ciarlante, Anthony V.

Measuring and testing

Meteorology

Electric disturbance

G01W 108

Patent

active

041127536

ABSTRACT:
A radiosonde is conformable for use either as a disposable sonde in which the device will ascend vertically to a predetermined altitude and when the balloon from which it is suspended bursts at a maximum altitude the sonde will automatically flip over and autogyrate at a reduced rate of descent back to earth; or may be used as a tethered radiosonde in which it is suspended from a tethered balloon in such a way as to be freely rotatable about a substantially horizontal axis. In either version, the sonde is characterized by a generally helicoidal propeller construction having thermistor-receiving end tips and whereby the propellers will impart sufficient spin or rotation to the sonde as to cause the desired degree of aspiration to provide accurate wet bulb psychometric measurements; and further the propeller construction is such as to permit freefall at a reduced controlled rate of speed without the assistance of a parachute.

REFERENCES:
patent: 2717309 (1955-09-01), Campbell
patent: 3225593 (1965-12-01), Richard
patent: 3273393 (1966-09-01), Spark

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