Method of controlling and regulating the traveling speed of a co

Details Method of controlling and regulating the traveling speed of a co Method of controlling and regulating the traveling speed of a co

1992-12-07

1994-09-13

Grieb, William H.

Tobacco

Cigar or cigarette making

131 55, 131 841, 198810, 1985024, A24C 518

Patent

active

053459547

ABSTRACT:
On a cigarette manufacturing machine, a continuous cigarette rod is fed to a cutting device by a conveyor belt engaging a number of guide pulleys and a drive pulley fitted to a drive shaft; the traveling speed of the continuous rod being controlled by continuously determining the diameter of the drive pulley, for obtaining a first control signal as a function of the surface speed of the drive pulley and, consequently, as a function of the speed of the conveyor belt, and by comparing the first control signal with a second control signal as a function of the desired surface speed of the drive pulley, for obtaining an error signal for controlling the angular speed of the drive shaft.

REFERENCES:
patent: 3989989 (1976-11-01), Mayer
patent: 4598719 (1986-07-01), Mattei
patent: 4653516 (1987-03-01), Mattei
patent: 4748988 (1988-06-01), Green et al.
patent: 5076568 (1991-12-01), de Jong et al.
patent: 5230418 (1993-07-01), Agnoff

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