Method and device for diagnosing a fan
US8853986B2 · kind B2 · utility
2Cited by
9References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 14, 2011 |
| Grant date | Oct 7, 2014 |
| Priority date | — |
| Expiry date | Nov 21, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01P11/14
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Method for diagnosing a fan, in particular in a cooling circuit of an internal combustion engine, a current driving the fan being ascertained. The fan is triggered by a defined trigger signal, and depending on the ascertained current, a diagnosis of whether the fan is defective is performed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.