Patent ID: 8408524
Filing Date: 2013-04-02
Classification: B01D,H01M,Y02E,Y02T

Abstract:
1. A fuel cell vehicle having a longitudinal axis, a lateral axis, and a vertical axis, the fuel cell vehicle comprising: a fuel cell operating system; a device for humidifying a gas flow used in the fuel cell system, by combining it with an atomized liquid in a spray chamber, and passing it through a gas flow passage of the device for humidifying the gas flow; and a substantially square or rectangular water separator chamber with a top planar wall coupling the passage to the water separator chamber, wherein the gas flow passage is generally U-shaped, and has a first generally vertical part being parallel to the vertical axis through which the atomised liquid and gas stream passes to a lower part, from which the gas stream passes parallel to the vertical axis upwardly to an outlet, wherein the lower part of the passage has an opening for passing excess water separated from the gas stream, to the water separator chamber, wherein the top planar wall includes an opening arranged adjacent to each of the four corners of the top wall, and wherein each of the openings has a water flow control valve configured to permit water to flow into the chamber but substantially impede water flow from the chamber back into the gas flow passage.