Global Patent Index - EP 4256253 A1

EP 4256253 A1 20231011 - VALVE DEVICE

Title (en)

VALVE DEVICE

Title (de)

VENTILVORRICHTUNG

Title (fr)

DISPOSITIF DE SOUPAPE

Publication

EP 4256253 A1 20231011 (DE)

Application

EP 21820252 A 20211201

Priority

  • DE 102020215165 A 20201201
  • DE 102021213523 A 20211130
  • EP 2021083756 W 20211201

Abstract (en)

[origin: WO2022117641A1] The invention relates to a valve device (10), in particular an expansion valve, for controlling a flow of a fluid, particularly for a refrigerant circuit in a vehicle, the valve device (10) comprising a valve element housing (12) and a valve element (14) inside the valve element housing (12), the valve element (14) having a control flow hole (30) and at least one expansion cutout (40a, 40b). According to the invention, the expansion cut-out (40a, 40b) includes a first expansion portion (60a, 60b) which has a substantially constant flow cross-section along the direction of flow.

IPC 8 full level

F25B 41/31 (2021.01); F16K 3/34 (2006.01)

CPC (source: EP)

F16K 5/0407 (2013.01); F16K 5/0605 (2013.01); F16K 5/12 (2013.01); F25B 41/31 (2021.01)

Citation (search report)

See references of WO 2022117641A1

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)

WO 2022117641 A1 20220609; EP 4256253 A1 20231011

DOCDB simple family (application)

EP 2021083756 W 20211201; EP 21820252 A 20211201