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Ballard Power Systems Inc patents


Recent patent applications related to Ballard Power Systems Inc. Ballard Power Systems Inc is listed as an Agent/Assignee. Note: Ballard Power Systems Inc may have other listings under different names/spellings. We're not affiliated with Ballard Power Systems Inc, we're just tracking patents.

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Seal for solid polymer electrolyte fuel cell

A sealed membrane electrode assembly (mea) and a method of sealing the mea comprises the steps of providing a frame around a periphery of the mea to form a framed mea; providing a through-hole in the frame; placing the framed mea into a seal mold, the seal mold comprising a reservoir region, a seal bead region, and at least one runner region; feeding a flow-processable seal material into the reservoir region in the seal mold that is aligned with the throughhole in the frame; feeding the flow-processable seal material from the reservoir region to the seal bead region through the at least one runner region; wherein a hydraulic diameter of the at least one runner region is less than a hydraulic diameter of the reservoir region.. . ... Ballard Power Systems Inc








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