Patent ID: 8393384

Claim:
A stacked-plate heat exchanger comprising: a plurality of elongated plates which are stacked one on top of the other and are connected to one another, wherein the plates form a first cavity and are configured such that a flow of a medium to be cooled is flowable through the first cavity in a longitudinal direction of the plates, wherein the plates form a second cavity and are configured such that a flow of a coolant is flowable through the second cavity, wherein each of the plates comprises an inlet connection opening for the medium to be cooled and an outlet connection opening for the medium to be cooled, each of the inlet connection opening and the outlet connection opening comprising an arc-shaped edge, wherein each of the plates comprises at least one arc-shaped coolant connection opening extending in an arc at least partially around the arc-shaped edge of at least one of the inlet connection opening and the outlet connection opening, and wherein the arc-shaped coolant connection opening comprises two arc-shaped edges that curve in a same direction.