Global Patent Index - EP 2288473 B1

EP 2288473 B1 20120118 - METHOD FOR ULTRASOUND SHOT-BLASTING OF TURBOMACHINE PARTS

Title (en)

METHOD FOR ULTRASOUND SHOT-BLASTING OF TURBOMACHINE PARTS

Title (de)

VERFAHREN ZUM ULTRASCHALLKUGELSTRAHLEN VON TURBOMASCHINENTEILEN

Title (fr)

PROCEDE DE GRENAILLAGE PAR ULTRASONS DE PIECES DE TURBOMACHINES

Publication

EP 2288473 B1 20120118 (FR)

Application

EP 09732287 A 20090417

Priority

  • EP 2009054595 W 20090417
  • FR 0802178 A 20080418

Abstract (en)

[origin: WO2009127725A1] The present invention relates to a method for ultrasound shot-blasting by means of a cloud of balls set in motion through contact with a sonotrode having one metallic surface including an area of difficult access. It is characterized in that the surface is that of a hook (20) axially restrained on a turbomachine blade including a groove (5) provided between the hook and the base of the blade, and the cloud of balls is contained in a chamber (25) encompassing said groove and said surface portion (7) outside said groove.

IPC 8 full level

B24C 1/10 (2006.01)

CPC (source: EP US)

B24C 1/10 (2013.01 - EP US); B24C 5/005 (2013.01 - EP US); Y10T 29/479 (2015.01 - US)

Designated contracting state (EPC)

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 SE SI SK TR

DOCDB simple family (publication)

WO 2009127725 A1 20091022; AT E541673 T1 20120215; BR PI0910574 A2 20150929; BR PI0910574 B1 20200303; CA 2721642 A1 20091022; CA 2721642 C 20170314; CN 102123828 A 20110713; CN 102123828 B 20140806; EP 2288473 A1 20110302; EP 2288473 B1 20120118; ES 2379577 T3 20120427; FR 2930184 A1 20091023; FR 2930184 B1 20101231; JP 2011516291 A 20110526; JP 5511789 B2 20140604; RU 2010146976 A 20120527; RU 2507055 C2 20140220; US 2011030434 A1 20110210; US 8627695 B2 20140114

DOCDB simple family (application)

EP 2009054595 W 20090417; AT 09732287 T 20090417; BR PI0910574 A 20090417; CA 2721642 A 20090417; CN 200980118191 A 20090417; EP 09732287 A 20090417; ES 09732287 T 20090417; FR 0802178 A 20080418; JP 2011504478 A 20090417; RU 2010146976 A 20090417; US 98843609 A 20090417