Fluid sprinkling – spraying – and diffusing – Container for non-fluid material – and scattering means – Including driven conveyor or follower feeding material...
Patent
1978-12-11
1980-10-28
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Container for non-fluid material, and scattering means
Including driven conveyor or follower feeding material...
239155, A01C 1900, E01C 1920
Patent
active
042302803
ABSTRACT:
In a system for spreading material from a vehicle, the ground speed of the vehicle is sensed by a low torque transducer which generates a train of electrical pulses or digital signal having a repetition rate representative of the vehicle's ground speed. The digital signal energizes a stepper motor. The shaft of the stepper motor is coupled to a mechanical comparator which is also responsive to the speed of a conveyor, which delivers the material to be spread, for controlling the conveyor drive motor so that the speed of the conveyor tracks the ground speed of the vehicle even at very low speeds. Proportioning of the ground speed signals is accomplished electronically by a digital counter circuit. Override of the ground speed control signal is actuated by the operator. The override may require continued operator actuation; or the override, once actuated may last for a predetermined time or a predetermined distance travelled by the vehicle. In the latter two cases, the time and distance may be adjusted.
REFERENCES:
patent: 3344993 (1967-10-01), Wilder et al.
patent: 3395866 (1968-08-01), Sousek et al.
patent: 3441039 (1969-04-01), Rawson
patent: 3550866 (1970-12-01), Swenson
patent: 3703810 (1972-11-01), Rawson et al.
patent: 3792709 (1974-02-01), Johnson, Jr.
patent: 3904129 (1975-09-01), Lorenc
patent: 3929292 (1975-12-01), Phillips
patent: 4132941 (1979-01-01), Sousek et al.
Leigh Theodore M.
Rawson James L.
Highway Equipment Company
Kashnikow Andres
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