Method of inferring start-up misfires due to the build-up of ice and melt water in the intake system of a vehicle engine
US9175619B2 · kind B2 · utility
3Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2013 |
| Grant date | Nov 3, 2015 |
| Priority date | — |
| Expiry date | Jun 2, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D2200/501
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Methods are provided for determining ice formation during cruising under cold weather conditions at the intake manifold or throttle body of an engine system and for enabling engine misfire diagnostics upon detection of dissipation of the formed ice.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.