Fluid sprinkling – spraying – and diffusing – With mobile tank-type supply means – Aircraft carried
Patent
1980-02-08
1982-09-21
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With mobile tank-type supply means
Aircraft carried
13735521, 239721, A01G 2509
Patent
active
043502954
ABSTRACT:
A linear move has its opposite end towers alternately made the master or lead tower to cause the move to first swing slightly one way to give corrrective endwise movement in one direction and then swing slightly the other way to give corrective endwise movement in the opposite direction. A control mechanism determines which end tower is the master tower and includes a feeler device positioned within a guide furrow. A main line supplies irrigation water under pressure through an interconnected long elastic hose, rigid U-shaped tow tube, and short hose to the end tower. A cable on a winch drum mounted on the end tower is connected to the tow tube and, when the end tower is not moving, a winch motor drives the drum to pull in the cable, the tow tube and the end portions of the hoses connected to the tow tube so that, as the move moves, it does not pull the heavy long hose but only pulls the lighter short hose. When the cable has been taken up enough to place the hoses in a desired position, the winch motor stops. A dynamic brake keeps the drum from overrunning as the long elastic hose contracts from its tensioned condition arising during towing. When the end tower is driven, cable is payed out while a drag brake prevents overrunning of the winch drum.
REFERENCES:
patent: 3281080 (1966-10-01), Hogg
patent: 4164323 (1979-08-01), Ellison
Kashnikow Andres
Pierce Corporation
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