Patent · US Expired

Method and device for determining defects on a constructional element of a turbine

US7779695B2 · kind B2 · utility

4Cited by

6References

5Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Michael Clossen-von Lanken Schulz · Issum, DE
Michael Opheys · Nettetal, DE

Key dates

Filing date	Dec 30, 2005
Grant date	Aug 24, 2010
Priority date	—
Expiry date	May 25, 2026

Classification

Technology area (CPC G)Physics
CPC primaryG01N2291/2693
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The invention relates to a method which is used to detect defects on a component of a turbine. Said method comprises the following steps; at least one ultrasonic signal is emitted and captured by means of a group beam examination head on a flat region of the component which is to be examined. The invention is characterized according to the following steps: the group of the beam examination heads are distributed into several virtual examination heads and at least one ultrasonic signal is emitted and captured by at least two of the virtual examination heads which is directed to an individual flat region which is to be examined.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.