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专利名称：Determination of the alcohol concentration
in the electrolyte of fuel cells
发明人：Manfred Baldauf,Walter Preidel申请号：US10105850申请日：20020325公开号：US06536262B2公开日：20030325
专利附图：
摘要：In a method for determining the alcohol concentration in the alcohol/watermixture of fuel cells that are operated with this mixture, in particular for direct methanolfuel cells, the alcohol/water mixture is pumped through a constriction. The differential
pressure between the entry to and exit from the constriction and, if appropriate, the flowvelocity of the mixture through the constriction are measured, and the alcoholconcentration is determined therefrom.
申请人：SIEMENS AKTIENGESELLSCHAFT
代理人：Laurence A. Greenberg,Werner H. Stemer,Ralph E. Locher
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