Global Patent Index - EP 1977114 B1

EP 1977114 B1 20100616 - IMPELLER

Title (en)

IMPELLER

Title (de)

LAUFRAD

Title (fr)

ROUE À AUBES

Publication

EP 1977114 B1 20100616 (DE)

Application

EP 07702382 A 20070120

Priority

  • DE 2007000104 W 20070120
  • DE 102006003727 A 20060126

Abstract (en)

[origin: DE102006003727A1] The width of a blade channel continuously increases from the feeding point of a flow into an impeller to a discharge point for the flow from the impeller from a perspective of a meridian section so that the ratio between the width (b2) at the discharge point and the width (b1) at the feeding point ranges between 1.01 and 1.2.

IPC 8 full level

F04D 29/22 (2006.01); F04D 29/24 (2006.01)

CPC (source: EP US)

F04D 29/2216 (2013.01 - EP US); F04D 29/242 (2013.01 - EP US)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

US 2009016895 A1 20090115; US 8469671 B2 20130625; AT E471458 T1 20100715; DE 102006003727 A1 20070802; DE 112007000708 A5 20081224; DE 502007004127 D1 20100729; EP 1977114 A1 20081008; EP 1977114 B1 20100616; JP 2009524759 A 20090702; JP 4927097 B2 20120509; WO 2007085231 A1 20070802

DOCDB simple family (application)

US 22301007 A 20070120; AT 07702382 T 20070120; DE 102006003727 A 20060126; DE 112007000708 T 20070120; DE 2007000104 W 20070120; DE 502007004127 T 20070120; EP 07702382 A 20070120; JP 2008551644 A 20070120