Magnetic chip detector and method of use
US11499890B2 · kind B2 · utility
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10References
19Claims
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Assignee
Inventor
Key dates
| Filing date | Mar 26, 2020 |
| Grant date | Nov 15, 2022 |
| Priority date | — |
| Expiry date | Dec 29, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2015/0053
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A gas turbine engine can have a magnetic chip detector system with a first conductor member and a second conductor member both exposed to a lubricant flow path of the gas turbine engine, at least a first one of the conductor members including an electromagnet including a coil wrapped around a ferromagnetic core. As part of an engine shutdown procedure, an intrinsic magnetic field strength within the ferromagnetic core can be increased by circulating electrical current in the coil, and the electrical current circulation can then be interrupted for the magnetic field to remain active during engine shutdown.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.