Position determining device and method

Position determining device and method

A device for determining a position relative to two layers (14, 16) of different permeability includes at least one fluid outlet (12), means for supplying fluid to the outlet (30), measuring means for measuring the flow rate (36) and/or pressure (38) of the fluid to determine a position relative to...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GEORGE MCKINLEY LANGEFELD, NICO VAN ZYL, JOHN DEAN ACKERMAN
Format: Patent
Sprache:eng
Schlagworte:
DREDGING
EARTH DRILLING
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
MINING
MINING OR QUARRYING
SOIL SHIFTING
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Beschreibung
Zusammenfassung:A device for determining a position relative to two layers (14, 16) of different permeability includes at least one fluid outlet (12), means for supplying fluid to the outlet (30), measuring means for measuring the flow rate (36) and/or pressure (38) of the fluid to determine a position relative to the layers. The device is located on an underwater mining machine (82) and the fluid outlet is associated with material removing means (22) of the mining machine. The position determined by the device is the position of an interface between the two layers or the position of one of the layers relative to the other layer so that the depth of the material removing means can be set relative to the two layers in response to the position determined by the device.