First stage rainfall sampler

Details First stage rainfall sampler First stage rainfall sampler

1992-06-25

1995-04-25

Williams, Hezron E.

Measuring and testing

Gas analysis

Moisture content or vapor pressure

7386431, 7317017, 7317023, 7386356, 7386301, G01W 114

Patent

active

054088925

ABSTRACT:
A first stage rainfall sampler, which is capable of automatically sampling rainfall step by step without requiring a motive power.
A plurality of sampling containers are swingably and detachably hung down from the circumference of a tumbler which is supported so as to revolve within a vertical plane, at intervals so as to correspond to an outlet port of a funnel in turn. The tumbler is provided with a weight for variably forming a balanced condition between it and rainfall contained by the sampling containers.

REFERENCES:
patent: 1813834 (1931-07-01), Ballard
patent: 3127769 (1964-04-01), Stucky
patent: 3296858 (1967-01-01), Doury et al.
patent: 3958457 (1976-05-01), Mink
patent: 3978723 (1976-09-01), Davis
patent: 4140011 (1979-02-01), Krupa et al.
patent: 5016196 (1991-05-01), Nelson et al.
G. S. Raynor et al., "An Automatic Sequential Precipitation Sampler", Atmospheric Environment, vol. 13, No. 1, 1979, pp. 149-155.
C. Ronneau et al., "An Automatic Sequential Rain Sampler", Water, Air and Soil Pollution, No. 9, 1978, pp. 171-176.
An automatic Sequential Rainfall Sampler, by K. D. Hage et al., Review of Scientific Instruments, vol. 45, No. 12, Dec. 1974.
Database WPIL, Week 8322, Derwent Publications Ltd., London, GB AN 83-H4007K & SU-A-945 838, 27 Jul. 1982 (abstract).

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