Search NASASearch

Engineering topics

Knurovsky, T.

Publications and source records attributed to Knurovsky, T..

Continuous Mining Machine

Mining machine contains two maneuverable drums for cutting coal and rock intrusion in coal seam.

Knurovsky, T.

Roof Support Near Coal-Mining Face

Hydraulically-powered legs mounted on crawlers and carrying sections of conveyors provide roof support close to working face and above workspace at all times.

Knurovsky, T.

Bidirectional Continuous Coal Miner

Continuous mining machine cuts coal in both directions of travel eliminating downtime caused by retreating across face to start new cut.

Knurovsky, T.