Global Patent Index - EP 4291801 A1

EP 4291801 A1 20231220 - ASSEMBLY FOR A FLUID-FILLED PISTON-CYLINDER UNIT, AND FLUID-FILLED PISTON-CYLINDER UNIT HAVING AN ASSEMBLY OF THIS TYPE

Title (en)

ASSEMBLY FOR A FLUID-FILLED PISTON-CYLINDER UNIT, AND FLUID-FILLED PISTON-CYLINDER UNIT HAVING AN ASSEMBLY OF THIS TYPE

Title (de)

BAUGRUPPE FÜR EINE FLUIDGEFÜLLTE KOLBEN-ZYLINDER-EINHEIT SOWIE FLUIDGEFÜLLTE KOLBEN-ZYLINDER-EINHEIT MIT EINER DERARTIGEN BAUGRUPPE

Title (fr)

ENSEMBLE POUR UNE UNITÉ PISTON-CYLINDRE REMPLIE DE FLUIDE ET UNITÉ PISTON-CYLINDRE REMPLIE DE FLUIDE DOTÉE D'UN ENSEMBLE DE CE TYPE

Publication

EP 4291801 A1 20231220 (DE)

Application

EP 22702713 A 20220128

Priority

  • DE 102021201221 A 20210209
  • EP 2022052129 W 20220128

Abstract (en)

[origin: WO2022171463A1] An assembly for a fluid-filled piston-cylinder unit (1; 1c) comprises: a main body (23; 23a; 23c) having an assembly longitudinal axis (24); a valve unit (38; 38a) integrated in the main body (23; 23a; 23c) and having a transfer port (39, 40, 41, 42), which valve unit seals the transfer port (39, 40, 41, 42) when the assembly (22; 22a; 22b; 22c) is moved along the assembly longitudinal axis (24) in a first direction (50; 52) and releases the transfer port (39, 40, 41, 42), in dependence on a fluid pressure, when the assembly (22; 22a; 22b; 22c) is moved along the assembly longitudinal axis (24) in a second direction (52; 50). The assembly (22; 22a; 22b; 22c) also comprises an outer seal element (26; 26b) for being sealingly seated against an inner surface (27) of the housing (2), which outer seal element element is disposed on the main body (23; 23a; 23c) for movement along the assembly longitudinal axis (24), and at least one undercut element (33; 33c) formed on the main body (23; 23a; 23c) for interlockingly engaging behind a mating element (14) of the piston-cylinder unit (1; 1c).

IPC 8 full level

F16F 9/02 (2006.01); F16F 9/19 (2006.01); F16F 9/32 (2006.01); F16F 9/512 (2006.01); F16F 9/516 (2006.01)

CPC (source: EP US)

F15B 15/204 (2013.01 - US); F16F 9/3228 (2013.01 - EP US); F16F 9/5126 (2013.01 - EP); F16F 9/516 (2013.01 - EP US); F15B 2211/322 (2013.01 - US); F15B 2211/35 (2013.01 - US); F16F 9/0218 (2013.01 - EP); F16F 9/19 (2013.01 - EP)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

DE 102021201221 A1 20220811; CN 116888378 A 20231013; EP 4291801 A1 20231220; US 2024117825 A1 20240411; WO 2022171463 A1 20220818

DOCDB simple family (application)

DE 102021201221 A 20210209; CN 202280014262 A 20220128; EP 2022052129 W 20220128; EP 22702713 A 20220128; US 202218264297 A 20220128