Fluid sprinkling – spraying – and diffusing – With mobile tank-type supply means – Aircraft carried
Patent
1978-10-12
1981-03-10
Schwadron, Martin P.
Fluid sprinkling, spraying, and diffusing
With mobile tank-type supply means
Aircraft carried
239191, 239721, B05B 300, B05B 318
Patent
active
042549116
ABSTRACT:
A rotary irrigation system comprises a length of irrigation tubing formed by interconnected pipe sections and having sprinkler heads spaced along the length thereof, which tubing is connected at one end to a fixed upstanding water supply pipe and which is connected at the other end to a pulling tractor that is powered by the irrigation water under pressure in the tubing. The length of tubing is provided at spaced positions along its length with hydraulic cylinder powered support struts. The activation of the struts and the tractor is controlled by a timing mechanism at the central water supply pipe which periodically shuts off the flow of water to the tubing. When the flow of irrigation water is subsequently restored to the tubing the increased pressure in the tubing actuates a hydraulic cylinder in the tractor to drive the tractor through a predetermined distance and actuates the hydraulic cylinders in each of the struts to supply forces which act to lift and aid in moving the tubing forwardly in the direction in which it is pulled by the tractor.
REFERENCES:
patent: 2893643 (1959-07-01), Gordon
patent: 3259319 (1966-07-01), Wallace
patent: 3465766 (1969-09-01), Siebert
patent: 3536261 (1970-10-01), Van Der Brink
patent: 3730211 (1973-05-01), de Laine et al.
patent: 3836078 (1974-09-01), Olson et al.
Chambers A. Michael
Kelly R. S.
Schwadron Martin P.
Stanley H. M.
Verhoeven J. F.
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