Internal-combustion engines – Cooling – With cooling of additional parts or materials
Reexamination Certificate
2008-05-27
2008-05-27
Cronin, Stephen K. (Department: 3747)
Internal-combustion engines
Cooling
With cooling of additional parts or materials
C123S041120, C123S041490
Reexamination Certificate
active
07377237
ABSTRACT:
A cooling system for a hybrid power system that includes an engine employs an engine cooling circuit to deliver coolant to the engine, the engine cooling circuit including a radiator and a main fan to draw air through the radiator. When the hybrid power system further includes an inverter, then the inverter is cooled via an inverter cooling circuit that is formulated as one portion of the cooling system to deliver coolant to the inverter, the inverter cooling circuit including a heat exchanger located such that the main fan draws air through the heat exchanger when the main fan is active. The cooling system also includes a secondary fan to selectively draw air though the heat exchanger during operation of an inverter cooling circuit coolant pump.
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Co-pending U.S. Appl. No. 11/520,464.
Co-pending U.S. Appl. No. 11/520,461.
Co-pending U.S. Appl. No. 11/520,463.
Form 892 issued in co-pending U.S. Appl. No. 11/520,464.
Carney Allen B.
Hughes John C.
Keene Kevin J.
Klinkert Deborah A.
Padget Bradley D.
Ali Hyder
Cronin Stephen K.
Cummins Power Generation Inc.
Hamre Schumann Mueller & Larson P.C.
Schelkopf J. Bruce
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