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1. 发明授权

US07128992B2 Dual pump fuel cell temperature management system 有权
标题翻译：双泵燃料电池温度管理系统
公开(公告)号：US07128992B2
公开(公告)日：2006-10-31
申请号：US11016260
申请日：2004-12-16
申请人： G. Michael Gron, Jr. , Parthasarathy Seshadri , Matthew P. Wilson
发明人： G. Michael Gron, Jr. , Parthasarathy Seshadri , Matthew P. Wilson
IPC分类号： H01M8/04
CPC分类号： H01M8/04029 , H01M8/04044 , H01M2008/1095
摘要： The outflow of coolers or water transport plates of a fuel cell stack (15) is fed to the inlet of a gas/liquid separator (12), the liquid output of which is connected through a primary pump (11a) to a liquid accumulator (21). A secondary pump (44) connected to the liquid output (20) of the liquid accumulator is fed to the principal inlet (31) of an eductor (32), the secondary inlet being connected to the gas output of the gas/liquid separator. The outlet (37) of the eductor is fed through a conduit (38) to a point below liquid level in the liquid accumulator. Thus, failure of the secondary pump (44) will not cause cavitation of the primary pump (11a) through the eductor so that coolant will continue to flow through the fuel cell stack. A demineralizer (26) is fed through a pressure reducing orifice (25) from the outlet of the secondary pump.
摘要翻译：燃料电池堆（15）的冷却器或水输送板的流出物被供给到气/液分离器（12）的入口，气体/液体分离器的液体输出通过初级泵（11a）连接到液体积存器（21）。连接到液体储存器的液体输出（20）的辅助泵（44）被供给到喷射器（32）的主入口（31），次级入口连接到气/液分离器的气体输出。喷射器的出口（37）通过导管（38）进入液体蓄液器中低于液位的点。因此，次级泵（44）的故障不会通过喷射器引起主泵（11a）的空化，使得冷却剂将继续流过燃料电池堆。软化器（26）从次级泵的出口通过减压孔（25）供给。

2. 发明授权

US07381491B2 Maximizing PEM fuel cell power plant system efficiency at optimum system pressure 有权
标题翻译：在最佳系统压力下最大化PEM燃料电池发电厂系统效率
公开(公告)号：US07381491B2
公开(公告)日：2008-06-03
申请号：US10754298
申请日：2004-01-09
申请人： Parthasarathy Seshadri , Alfred P. Meyer , Leslie L. Van Dine , Thomas M. Clark
发明人： Parthasarathy Seshadri , Alfred P. Meyer , Leslie L. Van Dine , Thomas M. Clark
IPC分类号： H01M8/04
CPC分类号： H01M8/04291 , H01M8/04089 , H01M8/04097 , H01M8/1007
摘要： A PEM fuel cell power plant system (10) has a process air pump (26), which may be a fan, a blower or a compressor, with an adiabatic efficiency of between 40% and 70%. The process air at the inlet 27 of the cathode reactant gas flow field 16 is between 1.07 atmospheres and 1.85 atmospheres, and may be at an optimal pressure for maximum overall system efficiency P={0.45+2.6E−1.8E2} atms±0.2 atms where P is the air inlet pressure and E is the adiabatic efficiency of the process air pump.
摘要翻译： PEM燃料电池发电厂系统（10）具有处理空气泵（26），其可以是绝热效率在40％至70％之间的风扇，鼓风机或压缩机。阴极反应物气体流场16的入口27处的处理空气在1.07大气压和1.85大气压之间，并且可以处于用于最大总体系统效率的最佳压力<？in-line-formula description =“In-line Formulas” end =“lead”？> P = {0.45 + 2.6E-1.8E <2> atms±0.2 atms <？in-line-formula description =“In-line Formulas”end =“tail” 其中P是进气压力，E是工艺空气泵的绝热效率。

3. 发明申请

US20060134481A1 Dual pump fuel cell temperature management system 有权
公开(公告)号：US20060134481A1
公开(公告)日：2006-06-22
申请号：US11016260
申请日：2004-12-16
申请人： G. Gron , Parthasarathy Seshadri , Matthew Wilson
发明人： G. Gron , Parthasarathy Seshadri , Matthew Wilson
IPC分类号： H01M8/04
CPC分类号： H01M8/04029 , H01M8/04044 , H01M2008/1095
摘要： The outflow of coolers or water transport plates of a fuel cell stack (15) is fed to the inlet of a gas/liquid separator (12), the liquid output of which is connected through a primary pump (11a) to a liquid accumulator (21). A secondary pump (44) connected to the liquid output (20) of the liquid accumulator is fed to the principal inlet (31) of an eductor (32), the secondary inlet being connected to the gas output of the gas/liquid separator. The outlet (37) of the eductor is fed through a conduit (38) to a point below liquid level in the liquid accumulator. Thus, failure of the secondary pump (44) will not cause cavitation of the primary pump (11a) through the eductor so that coolant will continue to flow through the fuel cell stack. A demineralizer (26) is fed through a pressure reducing orifice (25) from the outlet of the secondary pump.

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