20230160837. METHOD AND DEVICE FOR INSPECTING HYDRO TURBINE RUNNER simplified abstract (GE Renewable Technologies)
METHOD AND DEVICE FOR INSPECTING HYDRO TURBINE RUNNER
Organization Name
Inventor(s)
Olivier Teller of Saint Nazaire Les Eymes (FR)
Charles Theurer of Alplaus NY (US)
Adrienne Miceli of Avon CT (US)
Franck Palaticky of Montréal (CA)
Vincent Rutt of St Lambert (CA)
METHOD AND DEVICE FOR INSPECTING HYDRO TURBINE RUNNER - A simplified explanation of the abstract
This abstract first appeared for US patent application 20230160837 titled 'METHOD AND DEVICE FOR INSPECTING HYDRO TURBINE RUNNER
Simplified Explanation
The invention is a device used to inspect cavitation damage or cracks in the runner of a hydro turbine. It consists of a remote operated vehicle or an autonomous underwater vehicle equipped with a camera and/or scanner. The device processes the images captured by the camera and/or scanner to generate 3D views or infrared thermal views of the damaged surface or subsurface of the runner. It also includes means for reconstructing a 3D view using photogrammetry and means for locally heating the damaged surface using induction, laser, or heated water jet.
- Device for inspecting cavitation damage or cracks in a hydro turbine runner
- Uses a remote operated vehicle or autonomous underwater vehicle
- Equipped with a camera and/or scanner
- Processes images to generate 3D views or infrared thermal views of the damaged surface or subsurface
- Includes means for reconstructing a 3D view using photogrammetry
- Includes means for locally heating the damaged surface using induction, laser, or heated water jet
Potential Applications
- Inspection and maintenance of hydro turbines
- Detection and assessment of cavitation damage or cracks in runners
- Preventive maintenance to avoid turbine failure
Problems Solved
- Allows for efficient and accurate inspection of cavitation damage or cracks in hydro turbine runners
- Provides detailed 3D views and thermal views of the damaged areas
- Enables early detection and assessment of potential issues, preventing costly turbine failures
Benefits
- Reduces the need for manual inspection and potential risks to personnel
- Provides a comprehensive and detailed analysis of cavitation damage or cracks
- Enables timely maintenance and repair, improving turbine performance and longevity
Original Abstract Submitted
the invention relates to a device () for inspecting a cavitation damage or a crack of a runner () of a hydro turbine, comprising a remote operated vehicle () or an autonomous underwater vehicle, comprising at least one camera and/or scanner, and means () for processing images from said camera and/or scanner to generate at least one 3d view and/or ir thermal view of at least a part of a surface, or of a subsurface, of said runner comprising said cavitation damage or crack, said device further comprising means to reconstruct a 3d view by photogrammetry and/or means for locally heating, for example by induction or by a laser or by a heated water jet, said at least one part of a surface of said runner comprising said cavitation or crack.
