Global Patent Index - EP 3507498 A1

EP 3507498 A1 20190710 - TURBOPUMP INDUCER AND TURBOPUMP

Title (en)

TURBOPUMP INDUCER AND TURBOPUMP

Title (de)

TURBOPUMPENINDUKTOR UND TURBOPUMPE

Title (fr)

INDUCTEUR POUR TURBOPOMPE ET TURBOPOMPE

Publication

EP 3507498 A1 20190710 (FR)

Application

EP 17771802 A 20170830

Priority

  • FR 1658128 A 20160901
  • FR 2017052302 W 20170830

Abstract (en)

[origin: WO2018042123A1] A turbopump inducer for stabilising the cavitation pockets occurring at the blades of the inducer, the inducer having a plurality of blades (10) disposed between an inner housing and an outer housing, each blade (10) having a lower surface and an upper surface (20), the upper surface (20) of at least one blade (10) having a cut-out portion extending substantially from the leading edge (22) of the blade (10) to a step surface (26) provided on the upper surface (20).

IPC 8 full level

F04D 1/00 (2006.01); F04D 3/02 (2006.01); F04D 29/18 (2006.01); F04D 29/22 (2006.01); F04D 29/24 (2006.01); F04D 29/66 (2006.01)

CPC (source: EP)

F04D 1/00 (2013.01); F04D 3/02 (2013.01); F04D 29/183 (2013.01); F04D 29/2238 (2013.01); F04D 29/2261 (2013.01); F04D 29/24 (2013.01); F04D 29/242 (2013.01); F04D 29/669 (2013.01)

Citation (search report)

See references of WO 2018042123A1

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

DOCDB simple family (publication)

FR 3055373 A1 20180302; FR 3055373 B1 20221216; EP 3507498 A1 20190710; WO 2018042123 A1 20180308

DOCDB simple family (application)

FR 1658128 A 20160901; EP 17771802 A 20170830; FR 2017052302 W 20170830