Cooling system for an internal combustion engine of a motor vehicle comprising a valve
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United States of America Patent
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-
Feb 27, 1996
Grant Date -
N/A
app pub date -
Sep 7, 1994
filing date -
Sep 7, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cooling system for an internal combustion engine of a motor vehicle having an electrically heatable thermostatic valve that contains a coolant bypass valve. Below the opening temperature, the coolant bypass valve limits a flow cross section for the coolant quantity flowing through the coolant bypass to a minimal cross section which is enlarged when the opening temperature is exceeded. When a preselected temperature is reached during the warm-up operation, a control element switches on the heating element for a predetermined time period.
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