C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 37/07 (2006.01) C03B 37/05 (2006.01) D04H 1/00 (2006.01)
Patent
CA 2085226
2085226 9119684 PCTABS00008 Method for regulating a weight related parameter in a mineral fibre felt, in mineral fibre production. The speed of the fibre felt is regulated by a feed-forward connected regulator (R1) based on the power consumption of the fiberizing unit (2). The regulator (R1) is corrected with a feed-back connected regulator (R2) wherein the measured signal is a weight related parameter measured at a location in the beginning of the felt forming line. The regulator (R2) in turn is corrected by a third feed-back connected regulator (R3) wherein the measured signal is a weight related parameter measured at a point at the end of the felt forming line.
Holmstroem Kjell E.
Mccarthy Tetrault Llp
Paroc Oy Ab
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