Global Patent Index - EP 1644644 A1

EP 1644644 A1 20060412 - HYDRAULIC DISTRIBUTOR WITH TORQUE SLITS

Title (en)

HYDRAULIC DISTRIBUTOR WITH TORQUE SLITS

Title (de)

HYDRAULISCHER VERTEILER MIT DREHMOMENTSCHLITZEN

Title (fr)

DISTRIBUTEUR HYDRAULIQUE A FENTES DE COUPLE

Publication

EP 1644644 A1 20060412 (FR)

Application

EP 04767490 A 20040628

Priority

  • FR 2004001644 W 20040628
  • FR 0308685 A 20030716

Abstract (en)

[origin: US2006137751A1] The invention relates to a hydraulic distributor comprising a casing, a pressurised fluid inlet, a fluid return port, at least two working ports, a slide which is housed in the casing, a passage which is provided in the casing in order to connect the inlet with the working ports, adjustment means which are connected to a load detection line channel, a supply bridge which opens into the slide hole on either side of the inlet chamber, and two main check valves which are borne internally by the slide, The inventive distributor further comprises two secondary check valves which are mounted in the longitudinal channels upstream of the main check valve heads and which are connected to torque slits which open into the hole in which the slide moves.

IPC 1-7

F15B 13/04

IPC 8 full level

F15B 13/04 (2006.01)

CPC (source: EP US)

F15B 13/0402 (2013.01 - EP US); F15B 13/0403 (2013.01 - EP US); Y10T 137/86702 (2015.04 - EP US); Y10T 137/8671 (2015.04 - EP US)

Citation (search report)

See references of WO 2005017364A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

US 2006137751 A1 20060629; US 7581562 B2 20090901; AT E345446 T1 20061215; CN 100389269 C 20080521; CN 1829864 A 20060906; DE 602004003250 D1 20061228; DE 602004003250 T2 20070419; EP 1644644 A1 20060412; EP 1644644 B1 20061115; FR 2857704 A1 20050121; FR 2857704 B1 20071228; JP 2007516388 A 20070621; JP 4560515 B2 20101013; WO 2005017364 A1 20050224

DOCDB simple family (application)

US 56058304 A 20040628; AT 04767490 T 20040628; CN 200480019076 A 20040628; DE 602004003250 T 20040628; EP 04767490 A 20040628; FR 0308685 A 20030716; FR 2004001644 W 20040628; JP 2006519949 A 20040628