Fluid supply for rotary cutter heads for mining machines

Details Fluid supply for rotary cutter heads for mining machines Fluid supply for rotary cutter heads for mining machines

1982-09-14

1985-02-26

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Cleansing fluid passage

299 12, E21C 3522

Patent

active

045014493

ABSTRACT:
A fluid supply system for a rotary cutter head for a mining machine, comprises a relatively low pressure feed arrangement for feeding relatively low pressure fluid to discharge nozzles directing fluid sprays towards the cutting zone of the cutter head, and a relatively high pressure feed arrangement for feeding relatively high pressure fluid to discharge nozzles emitting air flow inducing sprays.

REFERENCES:
patent: 3904246 (1975-09-01), Gandy
patent: 3954302 (1976-05-01), Browning
patent: 4234008 (1980-11-01), Cronfel

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