Lifting device e.g. mine hoist

Lifting device e.g. mine hoist

The vertical hydraulic ram is joined to the hoist by rope etc., led out from the cylinder through a gland arrangement. The gland comprises tandem chambers (10,11), with seals (12,13,14) between them. The chamber (10) adjoining the cylinder space (4) is filled with a fluid of greater supply (16) whic...

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Hauptverfasser: NEGRUTSKY SERGEI BORISOVICH, CHURCKIN VLADIMIR GAVRILOVICH, CHUNIKHIN MIKHAIL IVANOVICH
Format: Patent
Sprache:eng ; ita
Schlagworte:
ELEVATORS
ESCALATORS OR MOVING WALKWAYS
HAULING
HOISTING
LIFTING
PERFORMING OPERATIONS
TRANSPORTING
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creator NEGRUTSKY SERGEI BORISOVICH
CHURCKIN VLADIMIR GAVRILOVICH
CHUNIKHIN MIKHAIL IVANOVICH
description The vertical hydraulic ram is joined to the hoist by rope etc., led out from the cylinder through a gland arrangement. The gland comprises tandem chambers (10,11), with seals (12,13,14) between them. The chamber (10) adjoining the cylinder space (4) is filled with a fluid of greater supply (16) which pressurises the chamber higher than the working medium pressure. The other chamber (11) is connected to a separator trap (18) which parts the medium from the viscous fluid and has associated fluid and medium outlets linking to the first gland chamber and cylinder space respectively.
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subjects ELEVATORS
ESCALATORS OR MOVING WALKWAYS
HAULING
HOISTING
LIFTING
PERFORMING OPERATIONS
TRANSPORTING
title Lifting device e.g. mine hoist
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