Global Patent Index - EP 3008345 B1

EP 3008345 B1 20200902 - COMPRESSOR IMPELLERS

Title (en)

COMPRESSOR IMPELLERS

Title (de)

VERDICHTERLAUFRÄDER

Title (fr)

ROUES DE COMPRESSEUR

Publication

EP 3008345 B1 20200902 (EN)

Application

EP 14730838 A 20140611

Priority

  • IT CO20130024 A 20130613
  • EP 2014062158 W 20140611

Abstract (en)

[origin: WO2014198790A1] An impeller (46) includes a hub (62) having a direction of rotation, a plurality of impeller blades 60 extending from the hub (62), each blade having a downstream end (721), an upstream end (68), a leading surface (74) facing the direction of rotation of the hub, and a trailing surface (76) facing opposite to the direction of rotation of the hub. The impeller (46) further includes a secondary flow reducer (80) extending towards the downstream end (72) and the upstream end (68) of the at least one of the plurality of impeller blades (60), the secondary flow reducer (80) defining first and second surfaces intersecting one of the leading surface and the trailing surface of the at least one of the plurality of impeller blades as well as a third surface between the first and second surfaces.

IPC 8 full level

F04D 29/30 (2006.01); F04D 29/28 (2006.01); F04D 29/68 (2006.01)

CPC (source: EP RU US)

F04D 29/056 (2013.01 - US); F04D 29/284 (2013.01 - EP US); F04D 29/30 (2013.01 - EP RU US); F04D 29/441 (2013.01 - US); F04D 29/624 (2013.01 - US); F04D 29/681 (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

DOCDB simple family (publication)

WO 2014198790 A1 20141218; AU 2014280238 A1 20151210; BR 112015029639 A2 20170725; CA 2913026 A1 20141218; CN 105556129 A 20160504; EP 3008345 A1 20160420; EP 3008345 B1 20200902; IT CO20130024 A1 20141214; JP 2016521821 A 20160725; KR 20160019418 A 20160219; MX 2015016450 A 20160301; RU 2015150305 A 20170718; RU 2667855 C2 20180924; US 2016123345 A1 20160505

DOCDB simple family (application)

EP 2014062158 W 20140611; AU 2014280238 A 20140611; BR 112015029639 A 20140611; CA 2913026 A 20140611; CN 201480031336 A 20140611; EP 14730838 A 20140611; IT CO20130024 A 20130613; JP 2016518475 A 20140611; KR 20157034044 A 20140611; MX 2015016450 A 20140611; RU 2015150305 A 20140611; US 201414895224 A 20140611