Selective inverted drain

Plant husbandry – Frost preventing

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Details

405 52, 405303, A01G 1300

Patent

active

056471653

ABSTRACT:
A selective inverted drain has an upright cylindrical duct the base whereof may flare out in trumpet or funnel shape and fixed or adjustable legs. An atmospheric fluid dynamizing device is in the portion between the lower half of the upright cylindrical duct and the flared out portion thereof.

REFERENCES:
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patent: 3003282 (1961-10-01), Davies
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patent: 3969842 (1976-07-01), Velie
Spigel, R. H. and Farrant, B., "Selecrtive Withdrawal Through a Point Sink and Pycnocline Formation in a Linearly Stratified Flow", Journal of Hydraulic Research, vol. 22, 1984 Title page, table of contents, and pp. 34-51.
Davies, T.D., et al, "Development and Testing of a Two-Dimensional Downslope Wind Model", Boundary-Layer Meteorology 73: 279-297, 1995. pp. 279-297.
Fleagle, Robert G., and Businger, Joost A., An Introduction to Atmospheric Physics, Academic Press, 1980. pp. 292-295.
Turrell, F.M., "The Science and Technology of Frost Protection", The Citrus Industry, Chapter 10, 1972, p. 338, and pp. 425-426.

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