Coolant system

Details Coolant system Coolant system

2008-02-08

2011-11-29

Kamen, Noah (Department: 3783)

Internal-combustion engines

Cooling

Yielding or resilient walls

C123S041540, C123S041010

Reexamination Certificate

active

08065980

ABSTRACT:
An engine cooling system is provided with a cooling circuit including a coolant pump for supplying an engine with a coolant and for circulating the coolant in the cooling circuit, and at least one heat exchanger for cooling said coolant downstream of the engine, wherein an expansion tank is connected to the cooling circuit upstream of the coolant pump. The cooling system is pressurized by a pressure regulating arrangement arranged to pressurize coolant supplied to the cooling circuit from the expansion tank during at least one predetermined operating mode of the engine and the expansion tank is closed to the ambient atmosphere during all normal engine operation modes.

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patent: 2005/0061264 (2005-03-01), Langervik
patent: 931087 (1963-07-01), None
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International Search Report for corresponding International Application PCT/SE2008/000109.
International Preliminary Report on Patentability for corresponding International Application PCT/SE2008/000109.

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