Apparatus for driving a rotary drum, such as a rotary kiln

Details Apparatus for driving a rotary drum, such as a rotary kiln Apparatus for driving a rotary drum, such as a rotary kiln

1981-11-02

1983-09-13

Camby, John J.

Heating

Tumbler-type rotary - drum furnace

60325, 60431, F27B 700

Patent

active

044039522

ABSTRACT:
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.

REFERENCES:
patent: 3033057 (1962-05-01), Gray
patent: 3785221 (1974-01-01), Fifield
patent: 4007591 (1977-02-01), Hinchmann et al.
patent: 4274257 (1981-06-01), Koch, Jr. et al.

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