Cleaning system for an engine exhaust cooler
US11499508B2 · kind B2 · utility
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20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2020 |
| Grant date | Nov 15, 2022 |
| Priority date | — |
| Expiry date | Sep 12, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A system and method operate by, while an engine is operating, automatically determining whether the engine is in a designated state for EGR cooler cleaning. The EGR cooler is operably coupled to the engine to receive hot EGR from an exhaust of the engine and to provide cooled EGR to an intake of the engine. The system and method also include, responsive to the engine not being in the designated state, automatically preventing a water pump system from introducing a cleaning liquid into a gas inlet of the EGR cooler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.