Refiner

Details Refiner Refiner

D - Textiles, Paper

21

B

D21B 1/26 (2006.01) D21D 1/30 (2006.01) D21F 7/02 (2006.01) F16F 15/12 (2006.01) F16F 15/129 (2006.01)

Patent

CA 2104874

2104874 9217637 PCTABS00016 A refiner for the manufacture of cellulose pulp where the raw material is processed in a gap between two opposed refining members rotary relative one another, and where at least one of the refining members is supported on a rotary refiner shaft (2) driven by a motor (4). An intermediate shaft (3) is connected non-rotary to a first and, respectively, second coupling (6 and, respectively, 7) between the rotor shaft (5) of the motor (4) and the refiner shaft (2) for transferring the drive moment. For damping the torsion oscillations in the mechanically connected shafts (2, 3, 5), an outer pipe (8) stiff against torsion is provided concentrically with the intermediate shaft (3), and one end of the pipe (8) is rigidly connected to the first coupling (6) at one end of the intermediate shaft, and the other end of the pipe (8) is connected by means of a friction damper (9) to the second coupling (7) at the other end of the intermediate shaft.

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