US Patent 8940425 Plastic liquid heat exchanger for battery cooling system

Plate assemblies for a heat exchanger suitable for use in a battery assembly are provided. A plate assembly can include a first substantially planar member having a first side, a second side, a first opening, and a second opening. A first conduit extends from the first opening on the first side and a second conduit extends from the second opening on the first side. A first spacer extends from the second side. Some plate assemblies include a second substantially planar member having a third side, a fourth side, a third opening, and a fourth opening. The third side faces the first side, the first conduit connects the first opening on the first side and the third opening on the third side, and the second conduit connects the second opening on the first side and the fourth opening on the third side. A second spacer extends from the fourth side.