Variable frequency pulsed spray dampening system

Details Variable frequency pulsed spray dampening system Variable frequency pulsed spray dampening system

1986-06-02

1987-03-17

Fisher, J. Reed

Printing

Planographic

Dampeners

B41F 730, B41L 2506

Patent

active

046498184

ABSTRACT:
A spray dampening control system for use in a planographic printing operation includes solenoid-operated spray dampening fluid nozzles operated at a frequency in accordance with the speed of the press. The press speed is measured and converted in a nonlinear relationship into a frequency applied to the solenoid-operated spray nozzles. Individual nozzle control circuits are provided for further controlling the nozzle pulse characteristics by varying the width of the frequency pulses independently of the frequency. Auxiliary frequency generators are provided for substitution of the primary multifrequency generator, and isolation means between circuit stages are provided for ease of replacement and maintenance.

REFERENCES:
patent: 3134326 (1964-05-01), Davis
patent: 3651756 (1972-03-01), Smith, Jr.
patent: 4064801 (1977-12-01), Switall
patent: 4395667 (1983-07-01), Tonn
patent: 4469024 (1984-09-01), Schwartz et al.

Affiliated with

Also associated with

Rating

Variable frequency pulsed spray dampening system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Variable frequency pulsed spray dampening system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variable frequency pulsed spray dampening system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1781094