Method for operating an internal combustion engine with charge-air cooler
US8950384B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2012 |
| Grant date | Feb 10, 2015 |
| Priority date | — |
| Expiry date | Oct 4, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An example method for operating an internal combustion engine having at least one cylinder, at least one intake line for supplying charge air to the at least one cylinder, and a device for controlling charge-air flows conducted via a charge-air cooler and via a bypass line around the charge-air cooler is described, the device including a two-stage switchable shut-off element and a continuously adjustable shut-off element. In one example provided, the two-stage switchable shut-off element is arranged parallel to the bypass line in the at least one intake line, and is switched between an open position and a closed position, and the bypass line is opened up or shut off to a greater or lesser extent by the shut-off element which is continuously adjustable between an open position and a closed position. In this way, shuddering of the engine during shut down is prevented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.