Internal-combustion engines – Cooling – With cooling of additional parts or materials
Reexamination Certificate
2006-11-07
2006-11-07
Argenbright, Tony M. (Department: 3747)
Internal-combustion engines
Cooling
With cooling of additional parts or materials
C123S1960AB, C123S563000
Reexamination Certificate
active
07131403
ABSTRACT:
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.
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Aggarwal Mahesh
Banga Sandeep
Glenn William D.
Lacy Gerald Edward
Napierkowski Susan Mary
Argenbright Tony M.
Beusse James H.
Beusse Wolter Sanks Mora & Maire, P.A.
General Electric Company
Hanze Carlos Luis
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