Internal-combustion engines – Cooling – Automatic coolant flow control
Reexamination Certificate
2008-05-06
2008-05-06
Cronin, Stephen K. (Department: 3747)
Internal-combustion engines
Cooling
Automatic coolant flow control
C123S041310, C123S184210
Reexamination Certificate
active
11187370
ABSTRACT:
In a railroad locomotive for operation in low ambient temperature conditions with the locomotive having an engine which includes a cooling system using a coolant liquid, a coolant liquid containment system is provided and includes a containment tank, an inlet port in fluid flow communication with an outlet from the engine cooling system and with the interior of the containment tank, an inlet valve for controlling the flow of coolant liquid through the inlet port, an outlet inlet port in fluid flow communication with the interior of the tank for discharge of the coolant liquid from the containment tank, an outlet valve for controlling the flow of coolant liquid from the containment tank, a sensor for monitoring a parameter indicative of the temperature of coolant liquid in the engine cooling system and generating a signal indicative of the temperature of the coolant liquid and a control device for receiving information indicative of the temperature of the coolant liquid and in communication with the inlet valve for controlling the operation of the inlet valve and the flow of the cooling liquid into the tank, when the temperature of the coolant liquid falls below a predetermined level.
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Kumar Ajith Kuttannair
Marsh Gregory Alan
Cronin Stephen K.
General Electric Co.
Hanle Carlos
Harris Katrina
McHugh Steven M.
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