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OIL COOLER

  • US 20120061048A1
  • Filed: 09/08/2011
  • Published: 03/15/2012
  • Est. Priority Date: 09/10/2010
  • Status: Abandoned Application
First Claim
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1. An oil cooler comprising:

  • a heat exchanger core including a plurality of plates laid one upon another to define each of an oil passage through which oil flows and an coolant passage through which coolant flows, between the plates, the plates including an uppermost plate which has a portion defining a core coolant inlet and a portion defining a core coolant outlet, the core coolant inlet and the core coolant outlet being communicated with the coolant passage; and

    a flow passage control valve disposed on an uppermost part including the uppermost plate, of the heat exchanger core and including a portion defining a first coolant introduction opening through which coolant at a relatively high temperature is supplied and a portion defining a second coolant introduction opening through which coolant at a relatively low temperature is supplied, the relatively high temperature being higher than the relatively low temperature, the first coolant introduction opening and the second coolant introduction opening being changed over to be communicated with the core coolant inlet.

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