EP 1067296 B1 20041229 - Electrohydraulic lifting module

Title (en)

Electrohydraulic lifting module

Title (de)

Elektrohydraulischer Hubmodul

Title (fr)

Module de levage électrohydraulique

Publication

EP 1067296 B1 20041229 (DE)

Application

EP 00112802 A 20000616

Priority

DE 29911686 U 19990706

Abstract (en)

[origin: EP1067296A1] The lifting module has an electric motor-driven supply pump (P) which can be operated in supply and energy-saving modes and which can be connected selectively to pressure supply lines (5,15) of at least one load (VH) for a main lifting function and at least one load (VN) for an auxiliary function. The auxiliary line (8) from the main function load via the pump to the tank is blocked in the reverse flow direction; the auxiliary function load can be operated even in the pump's energy-saving mode. There is only one supply pump and the auxiliary function load can be actuated in energy-saving mode with at least some of the pressure from the main function load via the auxiliary line and by the medium displaced by the supply pump.

IPC 1-7

F15B 21/14; B66F 9/22; F15B 11/16

IPC 8 full level

B66F 9/22 (2006.01); F15B 11/16 (2006.01); F15B 21/14 (2006.01)

CPC (source: EP)

Designated contracting state (EPC)

DOCDB simple family (publication)

DE 29911686 U1 19990916; DE 50009076 D1 20050203; EP 1067296 A1 20010110; EP 1067296 B1 20041229

DOCDB simple family (application)

DE 29911686 U 19990706; DE 50009076 T 20000616; EP 00112802 A 20000616