Method and apparatus for regulating the speed of a conveyor

Details Method and apparatus for regulating the speed of a conveyor Method and apparatus for regulating the speed of a conveyor

1979-03-16

1980-09-23

Dobeck, B.

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

318571, 425150, 425167, G05B 106, B29F 300

Patent

active

042245613

ABSTRACT:
An improved regulator is provided for varying the rotational speed of a screw conveyor arranged to supply material to a variable-volume chamber having a piston slidably mounted in a cylinder. The regulator produces a sum signal proportional to the algebraic sum of positive input signals reflecting the desired degree of chamber filling and the desired discharge volume, and negative input signals reflecting the actual filling volume and the actual degree of chamber filling. This sum signal is converted to a proportional time-dependent signal which is used to adjust the speed of the conveyor. The conveyor speed is increased or decreased by an amount depending on the magnitude and polarity of the sum signal. In use, the regulator practices an improved method of regulating the speed of a conveyor.

REFERENCES:
patent: 3693946 (1972-09-01), Merritt
patent: 3940465 (1976-02-01), Hauser et al.
patent: 4078198 (1978-03-01), Murakosi et al.
patent: 4159293 (1979-06-01), Fukase et al.

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