Global Patent Index - EP 1752587 A1

EP 1752587 A1 20070214 - Hydraulic arrangement

Title (en)

Hydraulic arrangement

Title (de)

Hydraulische Anordnung

Title (fr)

Agencement hydraulique

Publication

EP 1752587 A1 20070214 (DE)

Application

EP 05112498 A 20051220

Priority

DE 102005038333 A 20050811

Abstract (en)

The hydraulic circuit (10) for the suspension system of a construction vehicle boom has a hydraulic cylinder (26) and a hydraulic tank (20) with a feed (18) and a reservoir (48). A control (12) has a first control pressure pipe (42) between a pipe breakage safety control (32) and a feed (18). The first pressure pipe has a switching valve (58) to vary the pressure in the pipe and operate a pressure limiting valve (34).

IPC 8 full level

E02F 9/22 (2006.01); F15B 11/00 (2006.01)

CPC (source: EP US)

E02F 9/2207 (2013.01 - EP US); F15B 1/021 (2013.01 - EP US); F15B 13/0433 (2013.01 - EP US); F15B 21/008 (2013.01 - EP US); F15B 2211/3111 (2013.01 - EP US); F15B 2211/3144 (2013.01 - EP US); F15B 2211/329 (2013.01 - EP US); F15B 2211/7053 (2013.01 - EP US)

Citation (applicant)

EP 1157963 A2 20011128 - BAMFORD EXCAVATORS LTD [GB]

Citation (search report)

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

Designated extension state (EPC)

AL BA HR MK YU

DOCDB simple family (publication)

EP 1752587 A1 20070214; EP 1752587 B1 20080611; AT E398213 T1 20080715; DE 102005038333 A1 20070215; DE 502005004413 D1 20080724; US 2007033933 A1 20070215; US 7337610 B2 20080304

DOCDB simple family (application)

EP 05112498 A 20051220; AT 05112498 T 20051220; DE 102005038333 A 20050811; DE 502005004413 T 20051220; US 47113706 A 20060620