EP 1954888 A1 20080813 - LOADER
Title (en)
LOADER
Title (de)
LADER
Title (fr)
CHARGEUSE
Publication
Application
Priority
EP 2005013381 W 20051110
Abstract (en)
[origin: WO2007054123A1] There is described a loader (10) comprising a vehicle (20) including a structural frame (30) and an elongate boom arm (40). The boom arm (40) is pivotally mounted at its first end to the frame (30) and has at its second end an assembly (200, 230, 250) for receiving a tool (310, 1020). The loader (10) includes actuators (60, 300) to actuate the boom arm (40) and its associated assembly (200, 230, 250). The loader (10) also includes a control unit (400) provided with user operable controls (420, 700, 710) for controlling position and orientation of the boom arm (40) and its associated assembly (200, 230, 260). The actuators (60, 300) integrally incorporate therein magnetic sensors (600, 610) operable to sense longitudinal extention of said actuators (60, 300) and thereby generate actuator feedback signals (740, 750) indicative of said longitudinal extention. The control unit (400) processes said actuator feedback signals (740, 750) in a feedback control to render said position and orientation of the boom arm (40) and its associated assembly (200, 230, 260) adjustable using said user operable controls (420, 700, 710). Sensing a rotation rate of vehicle engine (25) providing power to the actuators (60, 300) is employed to modify the feedback control to improve operating stability of the loader (10).
IPC 8 full level
E02F 3/43 (2006.01); F15B 15/28 (2006.01)
CPC (source: EP US)
E02F 3/432 (2013.01 - EP US); E02F 9/24 (2013.01 - EP US); F15B 15/2861 (2013.01 - EP US); F15B 2211/20523 (2013.01 - EP US); F15B 2211/633 (2013.01 - EP US); F15B 2211/6336 (2013.01 - EP US); F15B 2211/7051 (2013.01 - EP US)
Citation (search report)
See references of WO 2007054123A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2007054123 A1 20070518; EP 1954888 A1 20080813; US 2009222176 A1 20090903
DOCDB simple family (application)
EP 2005013381 W 20051110; EP 05819240 A 20051110; US 9333408 A 20080812