Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Railway vehicle
Reexamination Certificate
2004-06-28
2009-06-09
Black, Thomas G (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Railway vehicle
C123S179300, C123S179400, C123S1960CP, C417S062000, C417S213000
Reexamination Certificate
active
07546184
ABSTRACT:
A system for overriding an EMD locomotive engine protective device which includes a low water pressure sensing device in communication with the engine cooling system for shutting down the engine when low water pressure in the engine is sensed, the override system comprising a water assist pump connected to a source of water and communicating with the protective device for supplying pressurized water to the low water pressure sensing device to maintain relatively high water pressure to prevent the device from shutting down the engine; and a controller for activating the water assist pump during start up of the engine.
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International Search Report for Application No. PCT/US2004/022620, dated Oct. 26, 2004, 7 pages.
Dayal Bhupinder Singh
Meltser Mikhail
Petersen David E.
Taccone David Mark
Behncke Christine M
Black Thomas G
General Electric Company
Senniger Powers LLP
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