Cooling an engine control unit
First Claim
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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Accused Products
Abstract
A chill plate 30 is described for cooling an electronic control unit (ECU) 20 of an engine. The chill plate 30 comprises a housing 32 having a flat front face onto which the ECU 20 may be mounted, formed with a central pocket 36 for accommodating any components 28 protruding from the rear face of the ECU. The housing also includes flow passages 40 through which fuel may flow around at least part of the periphery of the central pocket 36 to transfer heat to the fuel from the regions of the front face 38 surrounding the pocket 36.
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Citations
10 Claims
- 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.
Specification