Patent ID: 9147895
Filing Date: 2015-09-29
Classification: H01M,Y02E

Abstract:
1. An ejector device for a fuel cell stack, the ejector device comprising: a flat ejector plate having opposing surfaces and being perforated clear through the flat ejector plate from one of the opposing surfaces to the other in a direction perpendicular to the opposing surfaces and in a pattern to form at least one ejector, the at least one ejector including a nozzle, an ejector gas motive inlet in fluid communication with the nozzle, a mixing portion, an expansion area, at least one gas suction inlet and at least one conduit extending from the at least one gas suction inlet toward the mixing portion, and wherein the ejector is configured to draw gas from the at least one gas suction inlet via the at least one conduit into the mixing portion to be led toward the expansion area.