Irrigation method and control system

Details Irrigation method and control system Irrigation method and control system

1988-09-08

1992-03-24

Chambers, A. Michael

Fluid handling

Ambient condition change responsive

For controlling soil irrigation

239 63, 239 69, F16K 1736

Patent

active

050978616

ABSTRACT:
A plurality of selectively actuable watering stations are spaced about a selected location such as a lawn and/or garden and are connected to a source of pressurized water. A set of data is stored representing environmental conditions of the selected location, said conditions being selected from the group consisting of evapotranspiration rates for predetermined intervals throughout a given time period, and temperature precipitation rates for predetermined intervals throughout a given time period. Another set of data is provided from at least one input device at the selected location, the input device being selected from the group consisting of a temperature sensor, a rain gauge, a hummidity sensor, and a flow meter. Each watering station is actuated for predetermined durations at predetermined intervals based upon the data representing environmental conditions and the input device data to thereby ensure optimum growth of the plants situated in the selected location. A non-watering period may be designated for each of the watering stations to thereby determine an available watering period for each of the watering stations. Each watering station is thereafter only actuated within its corresponding available watering period.

REFERENCES:
patent: 4176395 (1979-11-01), Evelyn-Veere et al.
patent: 4209131 (1980-06-01), Barash et al.
patent: 4569020 (1986-02-01), Snoddy et al.
Weathermatic Controller, Sprinkler Divison Telsco Industries, four page brochure, (undated).
Hardie Irrigation, HR6200 Controller, one page, (undated).
Irri-Trol, MC PMS Controller, two page brochure, (undated).
Hardie Irrigation, HR6100 Controller, two page brochure, (undated).
Rain Master Direct Dial, two page brochure, (undated).

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