FUEL CELL EXHAUST FLUID DRAIN REDUCTION

Patentradars sammanfattning

The invention describes an exhaust fluid drain reducer (110) inserted into the main exhaust piping (102) downstream of a fuel cell stack (27) in a fuel cell electric vehicle. Its defining feature is an exhaust fluid conduit (116) with an inner diameter substantially smaller than the main exhaust piping—preferably at least five times smaller—creating a Venturi-effect pressure differential that draws accumulated water and exhaust fluids away from the stack toward a discharge location (reservoir or external environment) while simultaneously promoting forward flow toward a high-mounted fluid exhaust chimney. The device is preferably located at the lowest vertical point of the main exhaust piping to leverage gravity, and its inlet may include a tilted lateral extension with beveled and grooved edges to improve fluid capture with minimal turbulence.

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