Abnormality detection apparatus
US8193782B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2009 |
| Grant date | Jun 5, 2012 |
| Priority date | — |
| Expiry date | Sep 7, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H7/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The abnormality detection apparatus includes a first function of measuring a first temperature of a first portion of the abnormality detection apparatus, the first temperature having a correlation with a second temperature of a second portion of a vehicle alternator, a second function of integrating a stress depending on a temperature variation of the first portion on the basis of the first temperature measured by the first function, a third function of predicting occurrence of abnormality in the second portion depending on the stress integrated by the second function, and a fourth function of issuing an alarm when the third function predicts occurrence of abnormality.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.