D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
34/29
D21F 5/02 (2006.01) D21F 7/02 (2006.01) F26B 25/02 (2006.01)
Patent
CA 2002935
A web drying unit for use in a paper making machine is provided. The drying unit includes several drying cylinders over which a web to be dried is passed. A plurality of guide rolls are also provided which support an endless belt for pressing the web to be dried against the drying cylinders. Some of the drying cylinders are provided with a drive gear. The drive gears on the drying cylinders are connected to a drive pinion via a gear wheel train. At least one of the guide rolls is also provided with a drive gear which communicates with the gear wheel train. The drive pinion is connected to a drive motor via a universal joint shaft. The drive motor imparts rotation of the drive pinion which in turn rotates the drive gears mounted on the drying cylinders and the guide roll as well as the gear wheels. A single housing covers the drive pinion, the gear wheels and the drive gears mounted on both the drying cylinders and the guide rolls.
Kotitschke Gerhard
Preisetanz Johann
J. M. Voith G.m.b.h.
Mccarthy Tetrault Llp
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