Global Patent Index - EP 2729356 B1

EP 2729356 B1 20160406 - PROPELLER COMPRISING A PLATE JOINING ITS HUB AND EACH OF ITS BLADES

Title (en)

PROPELLER COMPRISING A PLATE JOINING ITS HUB AND EACH OF ITS BLADES

Title (de)

SCHRAUBE, MIT JE EINEM BLECH ZUR VERBINDUNG DER NABE MIT JEDEM IHRER BLÄTTER

Title (fr)

HELICE COMPORTANT UNE PLAQUE DE LIAISON ENTRE SON MOYEU ET CHACUNE DE SES PALES

Publication

EP 2729356 B1 20160406 (FR)

Application

EP 12733676 A 20120704

Priority

  • FR 1155989 A 20110704
  • EP 2012063015 W 20120704

Abstract (en)

[origin: WO2013004736A1] The present invention relates to a propeller (1) which comprises a hub (2) and a set of blades (4), characterized in that: - said hub (2) has a thickness substantially equal to that of the blades (4); - each blade (4) is connected to the hub (2) by an intermediate plate (3) which comprises a first edge (30) for connection to the hub (2) and a second edge (32) for connection to the associated blade (4), this second edge (32) having a length close or equal to that of the base (40) of the blade; - each of the plates (3) firstly forming, with one (23) of the two major faces (22, 23) of the hub (2), referred to as the "front face", the same first angle V of between 60 and 120° and, on the other hand, with each blade (4), the same second angle W of between 60 and 120°.

IPC 8 full level

B63H 1/20 (2006.01)

CPC (source: EP)

B63H 1/20 (2013.01)

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 2013004736 A1 20130110; EP 2729356 A1 20140514; EP 2729356 B1 20160406; FR 2977563 A1 20130111; FR 2977563 B1 20130726

DOCDB simple family (application)

EP 2012063015 W 20120704; EP 12733676 A 20120704; FR 1155989 A 20110704