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1. 发明申请

WO2005060021A3 PERMEABLE INLET FUEL GAS DISTRIBUTOR FOR FUEL CELLS 审中-公开
标题翻译：用于燃料电池的可渗透的入口燃料气体分配器
公开(公告)号：WO2005060021A3
公开(公告)日：2008-10-30
申请号：PCT/US2004041493
申请日：2004-12-10
申请人： UTC FUEL CELLS LLC , GESCHWINDT JAMES R , GUTHRIE ROBIN J , HIRKO GEORGE S JR , MEYERS JEREMY P , REISER CARL A , RESTO JAVIER , WANG YU , WHITON JOHN H , VAN DINE LESLIE L , ALLEN ELIZABETH A , YANG DELIANG
发明人： GESCHWINDT JAMES R , GUTHRIE ROBIN J , HIRKO GEORGE S JR , MEYERS JEREMY P , REISER CARL A , RESTO JAVIER , WANG YU , WHITON JOHN H , VAN DINE LESLIE L , ALLEN ELIZABETH A , YANG DELIANG
IPC分类号： H01M8/00 , H01M20060101 , H01M8/02 , H01M8/04 , H01M8/24
CPC分类号： H01M8/04231 , H01M8/0247 , H01M8/0258 , H01M8/04097 , H01M8/241 , H01M8/2465 , H01M8/2483 , H01M8/2484
摘要： An inlet fuel distributor (10-10d) has a permeable baffle (39, 54,54a, 60) between a fuel supply pipe (11, 83) and a fuel inlet manifold (12, 53, 53a, 63) causing fuel to be uniformly distributed along the length of the fuel inlet manifold. A surface (53, 68) may cause impinging fuel to turn and flow substantially omnidirectionally improving its uniformity. Recycle fuel may be provided (25, 71) into the flow downstream of the fuel inlet distributor. During startup, fuel or inert gas within the inlet fuel distributor and the fuel inlet manifold may be vented through a valve (57, 86) in response to a controller (58, 79) so as to present a uniform fuel front to the inlets of the fuel flow fields (58).
摘要翻译：入口燃料分配器（10-10d）在燃料供应管（11,83）和燃料入口歧管（12,53,53a，63）之间具有导致燃料的可渗透挡板（39,54,44a，60）沿着燃料入口歧管的长度均匀分布。表面（53,68）可以使撞击的燃料转动并基本上全向流动地改善其均匀性。可以向燃料入口分配器下游的流中提供循环燃料（25,71）。在启动期间，入口燃料分配器和燃料入口歧管内的燃料或惰性气体可以响应于控制器（58,79）而通过阀门（57,86）排出，以便将均匀的燃料前端呈现在燃料流场（58）。

2. 发明申请

WO02081367A2 METHOD AN APPARATUS FOR THE OPERATION OF A CELL STACK ASSEMBLY DURING SUBFREEZING TEMPERATURES 审中-公开
标题翻译：方法在低温条件下进行细胞堆积装置的运行的方法
公开(公告)号：WO02081367A2
公开(公告)日：2002-10-17
申请号：PCT/US0210837
申请日：2002-04-05
申请人： UTC FUEL CELLS LLC , BALLINGER EMILY A , CONDIT DAVID A , COUCH HAROLD T , REISER CARL A , RESNICK GENNADY , YANG DELIANG
发明人： BALLINGER EMILY A , CONDIT DAVID A , COUCH HAROLD T , REISER CARL A , RESNICK GENNADY , YANG DELIANG
IPC分类号： C01B20060101 , H01M8/00 , H01M8/04 , C01B
CPC分类号： H01M8/04253 , H01M8/04022 , H01M8/04029
摘要： A cell stack assembly (102) coolant system comprises a coolant exhaust conduit (110) in fluid communication with a coolant exhaust manifold (108) and a coolant pump (112). A coolant inlet conduit (120) enables transportation of the coolant to the coolant inlet manifold. The coolant system further includes a bypass conduit (132) in fluid communication with the coolant exhaust manifold and the coolant inlet manifold, while a bleed valve (130) is in fluid communication with the coolant exhaust conduit and a source of gas. Operation of the bleed valve enables venting of the coolant from the coolant channels, and through a shut down conduit (124). An increased pressure differential between the coolant and reactant gases forces water out of the pores in the electrode substrates (107,109). An ejector (250) prevents air form inhibiting the pump. Pulsed air is blown (238,239,243,245) through the coolant channels to remove more water.
摘要翻译：电池堆组件（102）冷却剂系统包括与冷却剂排气歧管（108）和冷却剂泵（112）流体连通的冷却剂排放导管（110）。冷却剂入口管道（120）能够将冷却剂输送到冷却剂入口歧管。冷却剂系统还包括与冷却剂排出歧管和冷却剂入口歧管流体连通的旁通管道（132），而排放阀（130）与冷却剂排放管道和气体源流体连通。泄放阀的操作使冷却剂从冷却剂通道排出，并通过关闭导管（124）。冷却剂和反应气体之间的增加的压差迫使水从电极基板（107,109）中的孔隙中流出。喷射器（250）防止空气形式阻止泵。脉冲空气通过冷却剂通道吹出（238,239,243,245）以除去更多的水。

3. 发明申请

WO2005065256A3 FUEL CELL WITH PASSIVE WATER BALANCE 审中-公开
标题翻译：燃料电池与被动水平衡
公开(公告)号：WO2005065256A3
公开(公告)日：2006-04-06
申请号：PCT/US2004043225
申请日：2004-12-21
申请人： UTC FUEL CELLS LLC , YANG DELIANG , YI JUNG S
发明人： YANG DELIANG , YI JUNG S
IPC分类号： H01M8/02 , H01M8/04 , H01M8/10 , H01M2/14
CPC分类号： H01M8/0258 , H01M8/026 , H01M8/04029 , H01M8/04291 , H01M8/1007
摘要： A fuel cell includes a membrane electrode assembly (46) having a first reactant flow field (80) secured adjacent a first or second surface (48, 50) of the assembly (46) for directing flow of a first reactant adjacent the first or second surface of the assembly (46) . The first reactant flow field (80) defines a plurality of two-pass circuits (82, 84, 86, 88), and each two-pass circuit (82) is in fluid communication with both a first reactant inlet (90) for directing the first reactant into the fuel cell (12), and with a first reactant outlet (92) for directing the first reactant out of the fuel cell (12). The plurality of two-pass circuits (82) facilitate water movement (112) toward the reactant inlet (90) to aid in passive maintenance of fuel cell (12) water balance.
摘要翻译：燃料电池包括具有邻近组件（46）的第一或第二表面（48,50）固定的第一反应物流场（80）的膜电极组件（46），用于引导邻近第一或第二组件（46）的表面。第一反应物流场（80）限定多个双通道电路（82,84,86,88），并且每个双通电路（82）与第一反应物入口（90）流体连通，用于引导第一反应物进入燃料电池（12），以及用于将第一反应物引导出燃料电池（12）的第一反应物出口（92）。多个双程循环（82）有助于朝向反应物入口（90）的水移动（112），以有助于燃料电池（12）水平衡的被动维护。

4. 发明专利

DE10393774T5 未知
公开(公告)号：DE10393774T5
公开(公告)日：2005-10-13
申请号：DE10393774
申请日：2003-11-19
申请人： UTC FUEL CELLS LLC
发明人： REISER CARL A , YANG DELIANG , SAWYER RICHARD D
IPC分类号： H01M20060101 , H01M8/00 , H01M8/04 , H01M8/10
摘要： A procedure for shutting down an operating fuel cell system includes disconnecting the primary electricity using device and stopping the flow of hydrogen containing fuel to the anode, followed by quickly displacing the residual hydrogen with air by blowing air through the anode fuel flow field. A sufficiently fast purging of the anode flow field with air eliminates the need for purging with an inert gas such as nitrogen.

5. 发明专利

DE10297592T5 未知
公开(公告)号：DE10297592T5
公开(公告)日：2005-02-17
申请号：DE10297592
申请日：2002-12-18
申请人： UTC FUEL CELLS LLC
发明人： YI JUNG S , YANG DELIANG , BREAULT RICHARD D , GRASSO ALBERT P , SCHEFFLER GLENN W
IPC分类号： H01M8/02 , H01M2/00 , H01M2/02 , H01M2/08 , H01M2/14 , H01M8/04 , H01M8/10 , H01M8/24
摘要： A proton exchange membrane (PEM) fuel cell includes fuel and oxidant flow field plates (26, 40) having fuel and oxidant channels (27, 28; 41, 44), and water channels, the ends (29, 48) of which that are adjacent to the corresponding reactant gas inlet manifold (34, 42) are dead ended, the other ends (31, 50) draining excess water into the corresponding reactant gas exhaust manifold (36, 45). Flow restrictors (39, 47) maintain reactant gas pressure above exit manifold pressure, and may comprise interdigitated channels (65, 66; 76, 78). Solid reactant gas flow field plates have small holes (85, 88) between reactant gas channels (27, 28; 41) and water drain channels (29, 30; 49, 50). In one embodiment, the fuel cells of a stack may be separated by either coolant plates (51) or solid plates (55) or both. In a second embodiment, coolant plates (51a) have weep holes (57) that inject water into the ends (29) of the reactant gas water channels which are in the region of the inlet manifold (34), thereby assuring humidification of the reactants.

6. 发明专利

AU2002357330A1 PASSIVE WATER MANAGEMENT FUEL CELL 未知
公开(公告)号：AU2002357330A1
公开(公告)日：2003-07-24
申请号：AU2002357330
申请日：2002-12-18
申请人： UTC FUEL CELLS LLC
发明人： YI JUNG S , YANG DELIANG , BREAULT RICHARD D , GRASSO ALBERT P , SCHEFFLER GLENN W
IPC分类号： H01M8/02 , H01M2/00 , H01M2/02 , H01M2/08 , H01M2/14 , H01M8/04 , H01M8/10 , H01M8/24
摘要： A proton exchange membrane (PEM) fuel cell includes fuel and oxidant flow field plates (26, 40) having fuel and oxidant channels (27, 28; 41, 44), and water channels, the ends (29, 48) of which that are adjacent to the corresponding reactant gas inlet manifold (34, 42) are dead ended, the other ends (31, 50) draining excess water into the corresponding reactant gas exhaust manifold (36, 45). Flow restrictors (39, 47) maintain reactant gas pressure above exit manifold pressure, and may comprise interdigitated channels (65, 66; 76, 78). Solid reactant gas flow field plates have small holes (85, 88) between reactant gas channels (27, 28; 41) and water drain channels (29, 30; 49, 50). In one embodiment, the fuel cells of a stack may be separated by either coolant plates (51) or solid plates (55) or both. In a second embodiment, coolant plates (51a) have weep holes (57) that inject water into the ends (29) of the reactant gas water channels which are in the region of the inlet manifold (34), thereby assuring humidification of the reactants.

7. 发明专利

DE10297193T5 未知
公开(公告)号：DE10297193T5
公开(公告)日：2004-08-19
申请号：DE10297193
申请日：2002-09-06
申请人： UTC FUEL CELLS LLC
发明人： YANG DELIANG , KING CONSTANCE J
IPC分类号： H01M8/02 , H01M8/04 , H01M8/10 , H01M8/24
摘要： A fuel cell stack (7) has a two-pass fuel flow field (11, 14) extending from a fuel inlet (8) around a fuel turnaround manifold (12) to a fuel outlet (15). The stack has two air flow fields (37, 40) extending from an air inlet (32) through an air turnaround manifold (38) to an air outlet (41), the air outlet (41) being adjacent to the fuel outlet (15). The stack includes a coolant flow field (23, 25, 27) which extends from a coolant inlet (21) to a coolant outlet (28), the coolant inlet being adjacent to both the fuel outlet and the air outlet. The fluid flow configuration provides lower temperature, a more even temperature profile, a higher coolant exit temperature, and permits operation with higher air utilization and lower coolant flow.

8. 发明专利

AU2003295761A1 PROCEDURE FOR SHUTTING DOWN A FUEL CELL SYSTEM USING AIR PURGE 未知
公开(公告)号：AU2003295761A1
公开(公告)日：2004-06-18
申请号：AU2003295761
申请日：2003-11-19
申请人： UTC FUEL CELLS LLC
发明人： REISER CARL A , YANG DELIANG , SAWYER RICHARD D
IPC分类号： H01M20060101 , H01M8/00 , H01M8/04 , H01M8/10
摘要： A procedure for shutting down an operating fuel cell system includes disconnecting the primary electricity using device and stopping the flow of hydrogen containing fuel to the anode, followed by quickly displacing the residual hydrogen with air by blowing air through the anode fuel flow field. A sufficiently fast purging of the anode flow field with air eliminates the need for purging with an inert gas such as nitrogen.

9. 发明专利

AU2003301739A1 REDUCING FUEL CELL CATHODE POTENTIAL DURING STARTUP AND SHUTDOWN 未知
公开(公告)号：AU2003301739A1
公开(公告)日：2004-05-25
申请号：AU2003301739
申请日：2003-10-21
申请人： UTC FUEL CELLS LLC
发明人： BEKKEDAHL TIMOTHY A , BREGOLI LAWRENCE J , BREAULT RICHARD D , DYKEMAN EMILY A , MEYERS JEREMY P , PATTERSON TIMOTHY W , SKIBA TOMMY , VARGAS CHRIS , YANG DELIANG , YI YUNG S
IPC分类号： H01M4/86 , H01M8/04 , H01M8/10 , H01M8/24 , H01M4/90 , H01M4/96
摘要： Each cell of a fuel cell stack is provided, between the anode 37 and cathodes 38 , with either (a) a permanent shunt ( 20 ) which may be a discrete resistor ( 42-44 ), a diode ( 95 ), a strip of compliant carbon cloth ( 65 ), or a small amount of conductive carbon black ( 22 ) in the ionomer polymer mixture of which the proton exchange membrane ( 39 ) is formed, or (b) a removeable shunt such as a conductor ( 69 ) which may be rotated into and out of contact with the fuel cell anodes and cathodes, or a conductor ( 85 ) which may be urged into contact by means of a shape memory alloy actuator spring ( 90, 91 ), which may be heated.

10. 发明专利

AU2002307156A1 Method an apparatus for the operation of a cell stack assembly during subfreezing temperatures 未知
公开(公告)号：AU2002307156A1
公开(公告)日：2002-10-21
申请号：AU2002307156
申请日：2002-04-05
申请人： UTC FUEL CELLS LLC
发明人： CONDIT DAVID A , RESNICK GENNADY , COUCH HAROLD T , YANG DELIANG , BALLINGER EMILY A , REISER CARL A
IPC分类号： C01B20060101 , H01M8/00 , H01M8/04
摘要： A coolant system is proposed for addressing temperature concerns during start-up and shut-down of a cell stack assembly. The coolant system comprises a coolant exhaust conduit in fluid communication with a coolant exhaust manifold and a coolant pump, the coolant exhaust conduit enabling transportation of exhausted coolant away from a coolant exhaust manifold. A coolant return conduit is provided to be in fluid communication with a coolant inlet manifold and a coolant pump, the coolant return conduit enabling transportation of the coolant to the coolant inlet manifold. The coolant system further includes a bypass conduit in fluid communication with the coolant exhaust conduit and the coolant return conduit, while a bleed valve is in fluid communication with the coolant exhaust conduit and a gaseous stream. Operation of the bleed valve enables venting of the coolant from the coolant channels, and through said bypass conduit.

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