Global Patent Index - EP 2648972 B1

EP 2648972 B1 20160504 - PROPELLER OR IMPELLER

Title (en)

PROPELLER OR IMPELLER

Title (de)

PROPELLER ODER REPELLER

Title (fr)

HÉLICE OU ROTOR

Publication

EP 2648972 B1 20160504 (DE)

Application

EP 12700386 A 20120110

Priority

  • DE 102011003320 A 20110128
  • EP 2012050289 W 20120110

Abstract (en)

[origin: WO2012100978A1] The invention relates to a propeller (1) or repeller having blades (3), which have each a front side (4) and a rear side (5), and a device (20) for feeding a fluid, in particular water, to the rear side of the blades (3). The propeller or repeller according to the invention comprises an actuating member for adjusting the feed of fluid to the rear side (5) of the blades (3). As a result, thrust or drive losses may be prevented without significant increase of cavitation.

IPC 8 full level

B63H 1/18 (2006.01)

CPC (source: CN EP)

B63H 1/18 (2013.01 - CN 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)

DE 102011003320 A1 20120802; CN 103347779 A 20131009; CN 103347779 B 20161214; CN 106184671 A 20161207; EP 2648972 A1 20131016; EP 2648972 B1 20160504; ES 2577977 T3 20160719; KR 101572740 B1 20151127; KR 20130121958 A 20131106; WO 2012100978 A1 20120802

DOCDB simple family (application)

DE 102011003320 A 20110128; CN 201280006513 A 20120110; CN 201610563224 A 20120110; EP 12700386 A 20120110; EP 2012050289 W 20120110; ES 12700386 T 20120110; KR 20137022585 A 20120110