Stabilizer for a pipeline inspection device
US11566744B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 13, 2020 |
| Grant date | Jan 31, 2023 |
| Priority date | — |
| Expiry date | Feb 19, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L2101/30
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
There is provided a pipeline inspection device stabilizer apparatus for use with a pipeline inspection device configured to assess the condition of a pipeline while being carried by a moving liquid in the pipeline, the device including an inspection module, the apparatus comprising a forward spacer secured in front of the inspection module and a rear spacer secured behind the inspection module, each of the front spacer and the rear spacer configured to move between a collapsed position close to the device and an outward position extending away from the device and towards the pipeline wall, wherein when in the outward position the front and rear spacers contact the pipeline wall to distance the inspection module from the pipeline wall and maintain axial alignment or substantial axial alignment of the inspection module with the longitudinal center of the pipeline.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.