B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
111/46
B05B 15/04 (2006.01) A01B 69/02 (2006.01) A01M 7/00 (2006.01)
Patent
CA 1092900
ABSTRACT OF THE DISCLOSURE The spray marking assembly is mounted on an agri- cultural or horticultural spraying or spreading implement to show visually, the area traversed so that the overlap or skip may be avoided. Usually, a pump sprays a dye from a tank through hoses to the extremity of the spray boom. This often causes poor markings due to scatter and loss as the pump has to move the fluid through the relatively long lines when demanded and the fluid and/or pressure tends to leak from the lines when not marking. The present device uses a motor and pump which run all the time when in use thus main- taining a constant pressure of fluid in the lines. A sole- noid valve is situated at the extremity of the lines adjacent the discharge nozzle so that as soon as the valve is opened, the fluid under pressure is available at the nozzle. An ac- cumulator is also provided adjacent the solenoid valve to give the necessary storage of extra fluid for dispersal through the discharge nozzle and to maintain the necessary pressure during opening of the discharge nozzle. A solid state timer in the cab of the tractor permits the operator to select the duration of spraying of the marking fluid, and the frequency of marking. An over-ride control enables the operator to mark manually on corners, knolls, and the like independently of the automatic actuation of the solenoid valve.
287677
Ade & Company
Poffenroth Alfred E.
LandOfFree
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