DEVICE FOR MINING UNDERWATER FORMATIONS Russian patent published in 1995 - IPC

Abstract RU 2027000 C1

FIELD: mining. SUBSTANCE: device for mining underwater formations has wheel pair. Pressure chambers are made in wheels. One chamber is communicated with tubing and the other with pulp supply string. Mounted on wheels are hydrojet nozzles to form counterflow jets. Receiving chamber of hydraulic elevator is installed inside wheel pair in the interval between nozzles for oscillation relative to longitudinal axis of hydraulic elevator. pressure chambers accommodate semicircular members with positive buoyancy. EFFECT: higher efficiency. 3 cl, 4 dwg

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RU 2 027 000 C1

Authors

Chernej Eh.I.

Khershberg B.L.

Markov A.E.

Chernej O.Eh.

Dates

1995-01-20—Published

1991-02-20—Filed