Apparatus and method for break recovery in a paper machine...

Details Apparatus and method for break recovery in a paper machine... Apparatus and method for break recovery in a paper machine...

2006-08-09

2009-10-27

Halpern, Mark (Department: 1791)

Paper making and fiber liberation

Processes and products

With measuring, inspecting and/or testing

C162S252000, C162S263000, C700S129000, C700S075000

Reexamination Certificate

active

07608169

ABSTRACT:
A method includes determining one or more setpoint changes for one or more actuators in a process control system. Determining the one or more setpoint changes includes making larger or more frequent setpoint changes when operating in a first mode and making smaller or less frequent setpoint changes when operating in a second mode. The method also includes outputting the one or more setpoint changes to the one or more actuators. The method could further include entering the first mode after a paper sheet has broken and been rethreaded through a paper machine. The method could also include entering the second mode (i) after a specified amount of time has elapsed since entering the first mode or (ii) after the first mode has been entered and a caliper profile of the paper sheet is within a specified threshold of a desired caliper profile.

REFERENCES:
patent: 5583782 (1996-12-01), Heaven et al.
patent: 5743177 (1998-04-01), Wostbrock
patent: 0390686 (1990-10-01), None

Affiliated with

Also associated with

Rating

Apparatus and method for break recovery in a paper machine... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus and method for break recovery in a paper machine..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for break recovery in a paper machine... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4060615