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Fuel cell humidifying system

  • US 6,808,832 B2
  • Filed: 01/30/2001
  • Issued: 10/26/2004
  • Est. Priority Date: 01/31/2000
  • Status: Expired due to Term
First Claim
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1. A fuel cell humidifying system for supplying a fuel cell with a wet gas produced by providing a dry gas and an exhaust gas discharged from the fuel cell into a humidifier which has a water permeable membrane and for recovering moisture contained in the exhaust gas in the dry gas to produce the wet gas, comprising:

  • a flow path switching mechanism for switching gas passages leading to the humidifier, wherein the flow path switching mechanism enables the dry gas to flow through an exhaust gas passage in the humidifier.

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