Global Patent Index - EP 0821109 B1

EP 0821109 B1 2002-09-25 - System for operations in a hazardous environment including an excavator and control post therefor

Title (en)

System for operations in a hazardous environment including an excavator and control post therefor

Title (de)

System zur Arbeit in gefährlicher Umgebung umfassend eine Baumaschine und dazugehörende Kontrollstation

Title (fr)

Système pour travail en milieu hostile comportant un engin ainsi que poste de commande associé

Publication

EP 0821109 B1 (FR)

Application

EP 97401785 A

Priority

FR 9609386 A

Abstract (en)

[origin: EP0821109A1] The underwater digger has manipulators (12,13,15-17) which are manoeuvred by actuators (115,122,151,152,161,178) equipped with sensors (189,177,168,166,155,111,132,143) to indicate the positions of the pivots between the manipulator sections. The machine is powered by a surface unit with an engine and a power generator, connected to the actuators by hydraulic and electrical umbilical lines, with other lines relaying information from the sensors to the surface. The power for the digger can be provided by an i. c. engine driving hydraulic pumps, or by a hydraulic pump feeding actuators in the form of hydraulic motors or power cylinders. In addition, the actuators are sealed from external pressures by means of double-lipped V-seals, and the configuration of the machine is monitored by means of a gyroscopes and two inclinometers.

IPC 1-7 (main, further and additional classification)

E02F 5/00; E02F 9/20

IPC 8 full level (invention and additional information)

E02F 5/00 (2006.01); E02F 9/20 (2006.01)

CPC (invention and additional information)

E02F 9/205 (2013.01); E02F 5/006 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 0821109 A1 19980128; EP 0821109 B1 20020925; AT 224983 T 20021015; DE 69715749 D1 20021031; DE 69715749 T2 20030605; DK 0821109 T3 20030203; ES 2184044 T3 20030401; FR 2751677 A1 19980130; FR 2751677 B1 19981120; PT 821109 E 20030228

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2001-10-10 [RTI1] TITLE (CORRECTION)

- Free text: SYSTEM FOR OPERATIONS IN A HAZARDOUS ENVIRONMENT INCLUDING AN EXCAVATOR AND CONTROL POST THEREFOR

2001-07-04 [RTI1] TITLE (CORRECTION)

- Free text: SYSTEM FOR OPERATIONS IN A HAZARDOUS ENVIRONMENT INCLUDING AN EXCAVATOR AND CONTROL POST THEREFOR

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