Cutter drum assembly for a longwall mining machine

Details Cutter drum assembly for a longwall mining machine Cutter drum assembly for a longwall mining machine

1981-03-04

1983-01-18

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Sidewall-working

299 81, E21C 3520, E21C 3522

Patent

active

043689256

ABSTRACT:
A cutter drum assembly for a longwall mining machine of the type having a cowl pivotal about the axis of the drum and nozzles on the periphery of its spiral conveying flights for directing a trickle of liquid onto the face area being mined. The cowl, which is normally on the side of the drum opposite the face being mined, carries a cam which controls valves supplying liquid to the nozzles such that at any time water is delivered only from those nozzles adjacent the working face area.

REFERENCES:
patent: 3897110 (1975-07-01), Agnew
patent: 4212497 (1980-07-01), Borowski et al.

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