F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
39/18, 138/41
F16H 39/02 (2006.01) F27B 7/00 (2006.01) F27B 7/26 (2006.01) F27B 7/22 (2006.01)
Patent
CA 1179576
Abstract of the Disclosure A substantially horizontal rotating drum mounted on roller pairs which drum is driven via some of the rollers, drive rollers, by means of a hydrostatic motor on each drive roller. In order to avoid problems, e.g., stoppage if the contact between the drum and one or more drive rollers ceases, each hydrostatic motor is part of a separate power circuit further comprising a hydrostatic pump and a squirrel-cage motor constantly ensuring essentially the same peripheral speed for drum and drive roller irrespective of the torque size.
388555
Birch Per
Marcussen Christian
Osler Hoskin & Harcourt Llp
Smidth (f.l) & Co. Of Canada Limited
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