Patent · US Active

Locomotive exhaust gas recirculation cooling

US7757678B2 · kind B2 · utility

8Cited by
5References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 7, 2008
Grant dateJul 20, 2010
Priority date
Expiry dateSep 10, 2028

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/12
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A method of operating an engine having exhaust gas recirculation from an exhaust manifold of the engine to an intake manifold of the engine, the engine in a locomotive or other vehicle car body, the engine further having an intake system turbocharger with an air-cooled intercooler, the method including cooling the exhaust gas recirculation via a first airflow generated by car body motion, cooling compressed engine induction air in the air-cooled intercooler via a second airflow, and cooling the exhaust gas recirculation via the second airflow.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.