Baumaschine

Details

Veröffentlichungs-Nr.

EP4174232

Aktenzeichen

EP22203874

Anmeldetag

26. Oktober 2022

Veröffentlichung

28. Januar 2026

Erteilung

28. Januar 2026

Rechtsraum

EP

IPC

E02F3/43E02F9/22F15B21/08

Abstract

An embodiment of the present invention provides a construction equipment, comprising: a lower traveling body (10) ; an upper rotating body (20) rotatably supported on the lower traveling body; a work machine which comprises a boom (31), an arm (32), and a bucket (33) operated by their respective hydraulic cylinder (40,50), wherein the work machine is supported by the upper rotating body; a control valve (200) for controlling the hydraulic cylinder; an electronic proportional pressure reducing valve (300) for controlling the spool of the control valve; an operation lever (400) for outputting an operation signal corresponding to an operation amount of a driver; an information providing unit (500) for providing information on the work machine and the work surface; and an electronic control unit (600) for calculating and outputting a pilot pressure for the electronic proportional pressure reducing valve, wherein the electronic control unit controls the speed of the hydraulic cylinder by using the operation signal of the operation lever and the information provided by the information providing unit.

Anmelder

Firma

Volvo Construction Equipment AB

Land

🇸🇪 Schweden

Fachgebiete