Integrated engine control and cooling system for diesel engines

A locomotive includes an engine ( 12 ), an intercooler ( 16 ), and an oil cooler ( 28 ), each having respective cooling passages formed therein. The locomotive also includes a cooling system ( 10 ) in selective communication with the respective cooling passages for selectively providing a first cool...

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Bibliographische Detailangaben
Hauptverfasser:	NAPIERKOWSKI SUSAN MARY, LACY GERALD EDWARD, AGGARWAL MAHESH, BANGA SANDEEP, GLENN WILLIAM D, WALTER BRIAN L
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	A locomotive includes an engine ( 12 ), an intercooler ( 16 ), and an oil cooler ( 28 ), each having respective cooling passages formed therein. The locomotive also includes a cooling system ( 10 ) in selective communication with the respective cooling passages for selectively providing a first coolant ( 56 ) and a second coolant ( 52 ) at a higher temperature than the first coolant to the cooling passages. A method of operating the cooling system includes providing, in a first mode, a first coolant flow ( 26 ) to the intercooler and a second coolant flow ( 30 ) to the oil cooler at a first temperature different than the first coolant flow to achieve preferential cooling of the intercooler. The method also includes providing, in a second mode, the first coolant flow to the intercooler and the second coolant flow to the oil cooler at a second temperature different than the first coolant flow to achieve preferential cooling of the oil cooler.