Dual drive radiator fan and coolant pump system for an...

Details Dual drive radiator fan and coolant pump system for an... Dual drive radiator fan and coolant pump system for an...

2008-02-06

2009-10-06

Kamen, Noah (Department: 3741)

Internal-combustion engines

Cooling

Automatic coolant flow control

C123S041440, C123S041460, C123S041480

Reexamination Certificate

active

07597070

ABSTRACT:
A dual drive radiator fan and coolant pump system for a liquid-cooled reciprocating internal combustion engine includes a coolant pump with an impeller shaft driven by a first drive extending between the engine's crankshaft and a pump pulley and hub mounted upon the impeller shaft. A second drive extends between the crankshaft and a fan hub journaled upon the pump hub, so that the coolant pump and fan hub are driven independently.

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