Fluid sprinkling – spraying – and diffusing – Serially operated distribution means
Patent
1979-10-17
1981-05-19
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Serially operated distribution means
137869, 239438, 239536, 239563, 239578, 251145, A01G 2502, F16K 300, F16K 3112
Patent
active
042679729
ABSTRACT:
A gated irrigation pipe is operated by a pneumatic control system which automatically opens and closes the gates. Each gate is slidable along the pipe surface and is coupled to a pair of parallel air conduits extending longitudinally along the pipe. The conduits are connected midway between their ends to a common movable pneumatic cylinder which receives therein a piston fixed to the exterior of the pipe. The conduits communicate with opposite ends of the cylinder, and serve as both an air line to the cylinder and an operating linkage which opens and closes the gates and which will not cause damage to the gates in response to differentials of expansion and contraction. A plurality of pipes thus equipped are serially connected to form an irrigation pipeline and the air conduits are interconnected at the pipe joints by flexible hose couplings which may be preset any time during each watering interval. The conduits are pressurized at the end of each interval to change the gates in accordance with a sequential irrigation plan without the necessity of the operator being present to manually open and close the gates.
REFERENCES:
patent: 201986 (1878-04-01), Bishop
patent: 3037245 (1962-06-01), Darnell
patent: 3099395 (1963-07-01), Petersen
patent: 3212719 (1965-10-01), Corpo
patent: 3219273 (1965-11-01), Killen
patent: 3226078 (1965-12-01), Anderson
patent: 3342420 (1967-09-01), Roulet et al.
patent: 3476358 (1969-11-01), Westerlund et al.
patent: 4014510 (1977-03-01), Smith
Chase D. A. N.
FarmTronics Inc.
Kashnikow Andres
Yakimo, Jr. Michael
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