Fluid sprinkling – spraying – and diffusing – With selectively preset flow cutoff or initiating means – Timer means
Patent
1986-11-13
1988-05-17
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With selectively preset flow cutoff or initiating means
Timer means
137 783, 239 64, A01G 2700
Patent
active
047445157
ABSTRACT:
An automatic water-sprinkling controller, with a peculiar main-valve connected with water supply, for controlling a water-sprinkling system which includes sprinklers, hose or pipes connected between said main-valve and said sprinklers, and a pilot tube for operating said main-valve. In the automatic controller, when the shortage of water of the ground is sensed by a moisture sensor comprising a ribbon which expands and contracts as a humidity, a microswitch is turned on by the contraction of the ribbon to feed an instant electric current for a electronic circuit and to start a timer circuit. The electric current is instantly fed to a solenoid, which is mounted in a microvalve unit, to open this unit, through the electronic circuit. When the microvalve is opened, a pilot water in the pilot tube, which is connected between the microvalve and the main-valve, starts to flow, and the main-valve is opened. These open states are held for a predetermined time period so that the sprinkler of the system can automatically perform its water-sprinkling operation for that time period.
REFERENCES:
patent: 2577337 (1951-12-01), Lancaster
patent: 2612901 (1952-10-01), Milano
patent: 2674490 (1954-04-01), Richards
patent: 3024372 (1962-03-01), Seele
patent: 3339842 (1957-09-01), Hoeppel
patent: 3991939 (1976-11-01), Maclay
patent: 4055200 (1977-10-01), Lohoff
patent: 4214701 (1980-07-01), Beckman
patent: 4396149 (1983-08-01), Hirsch
Forman Michael J.
Kashnikow Andres
Konan Seiko Co., Ltd.
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