Apparatus and method for regulating the baling force in a square

Details Apparatus and method for regulating the baling force in a square Apparatus and method for regulating the baling force in a square

1998-05-04

2000-09-05

Pezzuto, Robert E.

Harvesters

Motorized harvester

With condition-responsive operation

56341, 100 88, A01D 7528

Patent

active

061125075

ABSTRACT:
A square baler has a pick-up device, a feeding channel, a baling chamber with a baling ram, side walls of the baling chamber, a hydraulic adjustment device to change the position of at least one pivotal side wall and corresponding sensors and control devices, which regulate the side walls. A control device regulates the baling force of the square baler. A pressure sensor measures the baling pressure in the hydraulic adjustment device. The baling pressure is then compared with a set pressure value. The difference in the value of the pressures is processed via a PID controller, which sends an adjustment signal to a hydraulic valve for adjusting the difference in the actual and set pressures.

REFERENCES:
patent: 4951452 (1990-08-01), Lundahl et al.
patent: 5913801 (1999-06-01), Bottinger et al.

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