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(11)

EP 2 836 647 A1

(12)

(43) Date of publication: 18.02.2015 Bulletin 2015/08 (21) Application number: 12818834.9 (22) Date of filing: 01.06.2012

(51) International Patent Classification (IPC):  E02B 3/10(2006.01) G01V 1/00(2006.01) E02D 1/08(2006.01) G01M 5/00(2006.01) (86) International application number: PCT/RU2012/000432 (87) International publication number: WO 2013/180592 (05.12.2013 Gazette 2013/49)

(84) Designated Contracting States: 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 Designated Extension States: BA ME (71) Applicant: Siemens Aktiengesellschaft 80333 München (DE)	(72) Inventors: MANGUTOV, Oleg Vladimirovich 196601 Pushkin, St. Petersburg (RU) MOKHOV, Ilya Igorevich St. Petersburg 192281 (RU) PYAYT, Alexander Leonidovich St. Petersburg 198207 (RU) SHEVCHENKO, Denis Vladimirovich St. Petersburg 195269 (RU)