EP 4215717 C0 20231206 - CONSTRUCTION MACHINE AND METHOD FOR OPERATING A CONSTRUCTION MACHINE
Title (en)
CONSTRUCTION MACHINE AND METHOD FOR OPERATING A CONSTRUCTION MACHINE
Title (de)
BAUMASCHINE UND VERFAHREN ZUM BETREIBEN EINER BAUMASCHINE
Title (fr)
MACHINE DE CONSTRUCTION ET PROCÉDÉ DE FONCTIONNEMENT D'UNE MACHINE DE CONSTRUCTION
Publication
Application
Priority
EP 22152299 A 20220119
Abstract (en)
[origin: US2023228153A1] The invention relates to a construction machine, in particular drilling rig, comprising a mast, along which a tool is movably mounted, wherein the tool is suspended on a cable which can be actuated by means of cable winch for raising and lowering the tool, which cable winch is driven by an electric motor, as a winch drive, in a drive mode, wherein the electric motor is designed for operating in a recuperation mode in which the electric motor preferably generates electrical energy when the tool is lowered and outputs said electrical energy to an energy store, and a controller, which is designed to actuate the electric motor, depending on a specifiable target value, in such a way that the cable is tensioned both in the drive mode and in the recuperation mode of the electric motor.
IPC 8 full level
E21B 19/084 (2006.01); E21B 19/00 (2006.01); E21B 44/02 (2006.01)
CPC (source: CN EP US)
B66C 13/16 (2013.01 - CN); B66C 13/22 (2013.01 - CN); B66C 23/36 (2013.01 - CN); B66C 23/60 (2013.01 - CN); B66D 1/12 (2013.01 - CN); B66D 1/42 (2013.01 - CN); B66D 1/46 (2013.01 - CN); E21B 7/022 (2013.01 - US); E21B 7/023 (2013.01 - US); E21B 19/008 (2013.01 - EP); E21B 19/02 (2013.01 - CN); E21B 19/084 (2013.01 - EP); E21B 44/02 (2013.01 - EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Participating member state (EPC – UP)
AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT SE SI
DOCDB simple family (publication)
EP 4215717 A1 20230726; EP 4215717 B1 20231206; EP 4215717 C0 20231206; CN 116605779 A 20230818; US 2023228153 A1 20230720
DOCDB simple family (application)
EP 22152299 A 20220119; CN 202310036685 A 20230110; US 202318154610 A 20230113