Alternator failure warning indicator
US4242674A · kind A · utility
10Cited by
7References
1Claims
0Family size
Inventor
Key dates
| Filing date | Jan 8, 1979 |
| Grant date | Dec 30, 1980 |
| Priority date | — |
| Expiry date | Jan 8, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R16/03
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A transistorized detector sensitive to the ripple component of the DC output of an alternator gives a visual or audible warning signal when the ripple component exceeds a predetermined level providing early indication of failure of either a winding or rectifier diode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.