Delivery control system for vehicle-mounted spreader

Details Delivery control system for vehicle-mounted spreader Delivery control system for vehicle-mounted spreader

1978-11-06

1980-11-04

Truhe, J. V.

Electricity: motive power systems

Generator-fed motor systems having generator control

Automatic generator control and/or with time-delay means

318158, 239155, 222 63, 222627, H02P 520

Patent

active

042322553

ABSTRACT:
A control system for regulating the speed of a truck-mounted material conveyor includes a direct current drive motor and a truck-driven shunt generator for providing power to the motor. A control circuit has a reference input representing desired delivery rates in material weight per unit of distance and a truck speed input. A multiplier circuit converts the inputs to a delivery rate in terms of material weight per unit of time at the current truck road speed. Generator and conveyor speed feedback loops are provided to maintain a desired conveyor speed despite variations in truck engine speed or slippage at the conveyor.

REFERENCES:
patent: 3441039 (1969-04-01), Rawson
patent: 3560822 (1971-02-01), Loshbough
patent: 3776431 (1973-12-01), Riley
patent: 3929292 (1975-12-01), Phillips
patent: 4132941 (1979-01-01), Sousek et al.

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