Apparatus for ventilating cutter heads of mineral mining machine

Details Apparatus for ventilating cutter heads of mineral mining machine Apparatus for ventilating cutter heads of mineral mining machine

1974-12-27

1976-05-04

Abbott, Frank L.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Cleansing fluid passage

E21C 2510

Patent

active

039543021

ABSTRACT:
A rotary cutter head of a mining machine having a hollow or axially bored driven shaft, is fed with dust suppression fluid through a tube extending along the axis of the driven shaft and is ventilated by an air flow induced along the bore of the shaft by an air flow-inducing nozzle mounted remote from the axis of the shaft.

REFERENCES:
patent: 3767265 (1973-10-01), French et al.
patent: 3843199 (1974-10-01), Nash et al.
patent: 3904246 (1975-09-01), Gandy

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