Apparatus for controlling and taking up axial displacement in ma

Details Apparatus for controlling and taking up axial displacement in ma Apparatus for controlling and taking up axial displacement in ma

1978-02-14

1979-12-11

Geoghegan, Edgar W.

Power plants

Miscellaneous

60DIG2, 92161, 248637, F01B 2300

Patent

active

041776445

ABSTRACT:
Apparatus for controlling and taking up the axial displacement of large rotating cylinders, comprising a pair of end bearings, of which one is provided with driven rollers, while the other is provided with idle rollers, one of which is carried by a bearing orientable about a vertical axis. A first transducer senses the axial displacement of the cylinder and its output is connected to an input to a first device effecting a comparison with a reference signal; the output of the first comparing device is connected through an amplifier to an input to a second comparing device, a second input of which is connected to the output of a second transducer sensing the displacement of the guide roller bearing. The output of the second comparing device controls a servoactuator mechanically connected to the orientable bearing of the guide roller.

REFERENCES:
patent: 2789594 (1957-04-01), Coleman
patent: 3206663 (1965-09-01), Neal et al.
patent: 3346807 (1967-10-01), Wood et al.

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