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Cooling an engine control unit

  • US 6,302,190 B1
  • Filed: 06/29/1999
  • Issued: 10/16/2001
  • Est. Priority Date: 06/30/1998
  • Status: Expired due to Term
First Claim
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1. A chill plate for cooling an electronic control unit (ECU) of an engine, said ECU having a front face to which electrical connections are made and an rear face from which a box protrudes, said box containing heat generating electrical components around its perifery, said chill plate comprising a housing having a flat front face onto which the ECU is mounted and formed with a central recess for said box, and means for forming flow passages within the housing through which fuel flows substantially only around at least part of the periphery of the central recess to transfer heat to the fuel from the periphery of the box extending into the recess.

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