Patent ID: 7533717
Filing Date: 2009-05-19
Classification: F28D,F28F,Y10S

Abstract:
1. A heat exchanger for cooling oil, comprising: a plurality of pan-shaped heat-transfer plates stacked onto one another to define alternating channels for coolant and oil; a mounting plate soldered on one side to a side of the stacked plates, said mounting plate being adapted for mounting on its opposite side to a separate component, said mounting plate being formed from two sheet metal plates secured to one another along adjacent faces, and both of said metal plates being solder coated on said one side; openings through the heat-transfer plates and the mounting plate defining oil and coolant passages communicating with the alternating channels between the stacked plates, said openings in said mounting plate having recesses therearound on said opposite side adapted to receive seals therein; and impressions in said adjacent face of one of said metal plates, said impressions being around said recesses to provide a solder depot.