EP 2069194 A1 20090617 - PROPULSION UNIT COMPRISING TWO COAXIAL CONTRA-ROTATING PROPELLERS
Title (en)
PROPULSION UNIT COMPRISING TWO COAXIAL CONTRA-ROTATING PROPELLERS
Title (de)
ZWEI KOAXIALE GEGENROTIERENDE PROPELLER UMFASSENDE ANTRIEBSEINHEIT
Title (fr)
UNITÉ DE PROPULSION COMPRENANT DEUX HÉLICES CONTRAROTATIVES COAXIALES
Publication
Application
Priority
- IB 2007002586 W 20070910
- IT MI20061759 A 20060915
Abstract (en)
[origin: WO2008032167A1] A propulsion unit for boats or the like comprises two propellers, respectively front (300) and rear (400), coaxial and contra-rotating, rotationally driven by the shaft (2a) of at least a main motor (2), the rear propeller (400) rotating at a speed of rotation different to the speed of rotation of the front propeller (300).
IPC 8 full level
CPC (source: EP)
Citation (search report)
See references of WO 2008032167A1
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 MT NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2008032167 A1 20080320; EP 2069194 A1 20090617; IT MI20061759 A1 20080316
DOCDB simple family (application)
IB 2007002586 W 20070910; EP 07825077 A 20070910; IT MI20061759 A 20060915