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Schaper; Rolf
Ditzingen, DE
No. of patents:

Patent Number Title Of Patent Date Issued
4955431 Cooling device for an internal combustion engine and method for controlling such a cooling devic September 11, 1990
A device and method for cooling an internal combustion engine is disclosed in which a simple control circuit constructed of relatively inexpensive components enables the rotational speed of an electric motor employed in the cooling device to be controlled in adaptation to various tempera

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