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ENGINE COOLING DEVICE

  • US 20130213322A1
  • Filed: 07/20/2011
  • Published: 08/22/2013
  • Est. Priority Date: 07/20/2011
  • Status: Active Grant
First Claim
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1. An engine cooling device comprising a water pump, a radiator, an exhaust heat recovery unit, and a coolant circulation circuit for circulating a coolant in these apparatuses,the engine cooling device comprising a flow rate limiting means that limits a flow rate of the coolant that circulates in the exhaust heat recovery unit in a case where a temperature of a sensor element of an exhaust gas sensor that is disposed downstream of the exhaust heat recovery unit in an exhaust path is below a preset activation temperature.

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