Fuel cell stack and method of pressing together the same
June 17, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesBattery consisting of a multiplicity of electrochemical cells Cell stack assembly structure for fuel cell Solid polymer electrolyte fuel cell stack water management system Ion exchange fuel cell assembly with improved water and thermal management Arrangement for tightening stack of fuel cell elements Structure for incorporating fuel cell Fuel cell end plate structure Fuel cell clamping force equalizer Internally cooled proton exchange membrane fuel cell device Patent #: 5262249 InventorsAssigneeApplicationNo. 078788 filed on 06/17/1993US Classes:429/32, Plural disc or modules429/26, Having heat exchange means429/37, Having clamping means429/38Having support or spacers with fluid distribution meansExaminersPrimary: Kalafut, StephenAttorney, Agent or FirmForeign Patent References
International ClassH01M 008/10Foreign Application Priority Data1992-06-18 JPAbstractA fuel cell stack having unit cells and separators, in which each unit cell comprises a solid polymer electrolyte membrane having a pair of electrode catalysts attached on both surfaces, and a pair of collectors, each made of a rigid body, being in contact with respective electrode catalysts, and each of the separators comprises a pair of pressure generating plates defining therebetween a pressure chamber to which a pressurized fluid is introduced, the pressure generating plates being deformed by the pressurized fluid and pressed against the adjacent respective collectors.Other References
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