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    Microchannel reactors with temperature control
    1.
    发明专利
    Microchannel reactors with temperature control 未知

    公开(公告)号：AU2003222279C1

    公开(公告)日：2009-04-09

    申请号：AU2003222279

    申请日：2003-03-11

    Applicant: BATTELLE MEMORIAL INSTITUTE

    Inventor： FISCHER CHRISTOPHER M ,  KING DAVID L ,  WHYATT GREG A ,  WEGENG ROBERT S ,  BROOKS KRISTON P ,  TEGROTENHUIS WARD E

    IPC: B01J19/00 ,  B01B1/00 ,  B01J35/04 ,  C01B3/16 ,  C01B3/38 ,  C01B3/58 ,  C01C1/04 ,  F28D9/00

    Abstract: Microchannel devices and method of use are disclosed wherein a reaction microchamber 52 is in thermal contact with a heat exchange channel 61 . An equilibrium limited exothermic chemical process occurs in the reaction microchamber 52 . Sufficient heat is transferred to the heat exchange channels to substantially lower the temperature in the reaction microchamber 52 down its length to substantially increase at least one performance parameter of the exothermic chemical process relative to isothermal operation. Optionally, an endothermic reaction occurs in the heat exchange channel 61 which is sustained by the exothermic chemical process occurring the exothermic reaction chamber. Both the reaction chamber 52 and the heat exchange channel 61 can be of micro dimension. Catalyst 75 can be provided in the microchamber 52 in sheet form such that reactants flow by the catalyst sheet. A microchannel reactor 100 can be formed by integrally bonding an alternating stack of thin recessed sheets wherein the recesses in the sheets define the flow paths.

    Fluid processing device and method
    2.
    发明专利
    Fluid processing device and method 未知

    公开(公告)号：AU2002360239A1

    公开(公告)日：2003-04-28

    申请号：AU2002360239

    申请日：2002-06-06

    Applicant: BATTELLE MEMORIAL INSTITUTE

    Inventor： DAVIS JAMES M ,  WHYATT GREG A

    IPC: B81B1/00 ,  B01B1/00 ,  B01J19/00 ,  B01J35/04 ,  C01B3/16 ,  C01B3/38 ,  C01B3/58 ,  C01C1/04 ,  F28D9/00 ,  F28F3/08

    Abstract: A fluid processing unit having first and second interleaved flow paths in a cross flow configuration is disclosed. The first flow paths are substantially longer than the second flow paths such that the pressure drop in the second flow paths can be maintained at a relatively low level and temperature variations across the second flow paths are reduced. One or more of the flow paths can be microchannels. When used as a vaporizer and/or superheater, the longer first flow paths include an upstream liquid flow portion and a downstream vapor flow portion of enlarged cross sectional area. A substantial pressure drop is maintained through the upstream liquid flow portion for which one or more tortuous flow channels can be utilized. The unit is a thin panel, having a width substantially less its length or height, and is manufactured together with other thin units in a bonded stack of thin metal sheets. The individual units are then separated from the stack after bonding.

    METHOD AND APPARATUS FOR IMPROVING WATER BALANCE IN FUEL CELL POWER UNIT
    6.
    发明专利
    METHOD AND APPARATUS FOR IMPROVING WATER BALANCE IN FUEL CELL POWER UNIT 未知

    公开(公告)号：CA2668723C

    公开(公告)日：2016-01-05

    申请号：CA2668723

    申请日：2007-11-05

    Applicant: BATTELLE MEMORIAL INSTITUTE

    Inventor： WHYATT GREG A ,  GEORGE II PAUL E

    Abstract: A method and apparatus for improving the water balance in a power unit by providing the exhaust gas from the cathode side of the fuel cell as a feed gas to the combustion system, condensing at least a portion of water present in the effluent from the combustion system in a condenser, and then transferring water vapor from the uncondensed portion of the effluent from the condenser to the gas fed to the cathode side of the fuel cell. Water from the exhaust gas from the cathode side of the fuel cell is either captured in the condenser, or is reused in the feed gas of the cathode side of the fuel cell. By humidifying the air fed into system with the water vapor present in the exhaust gas, water is not lost from the system. Instead, the air is being fed into the system is humidified with this water, which in turn allows the humidifier to operated at higher temperatures and/or use smaller radiators and fans and/or draw less parasitic power, thereby increasing overall system efficiency.

    MICROCHANNEL REACTORS WITH TEMPERATURE CONTROL
    8.
    发明专利
    MICROCHANNEL REACTORS WITH TEMPERATURE CONTROL 未知

    公开(公告)号：CA2478333C

    公开(公告)日：2013-10-15

    申请号：CA2478333

    申请日：2003-03-11

    Applicant: BATTELLE MEMORIAL INSTITUTE

    Inventor： TEGROTENHUIS WARD E ,  KING DAVID L ,  WHYATT GREG A ,  FISCHER CHRISTOPHER M ,  WEGENG ROBERT S ,  BROOKS KRISTON P

    IPC: B01J19/00 ,  B01B1/00 ,  B01J35/04 ,  C01B3/16 ,  C01B3/38 ,  C01B3/58 ,  C01C1/04 ,  F28D9/00

    Abstract: Microchannel devices and method of use are disclosed wherein a reaction microchamber (52) is in thermal contact with a heat exchange channel (61). An equilibrium limited exothermic chemical process occurs in the reaction microchamber (52). Sufficient heat is transferred to the heat exchange channels to substantially lower the temperature in the reaction microchamber (52) down its length to substantially increase at least one performance parameter of the exothermic chemical process relative to isothermal operation. Optionally, an endothermic reaction occurs in the heat exchange channel (61) which is sustained by the exothermic chemical process occurring the exothermic reaction chamber. Both the reaction chamber (52) and the heat exchange channel (61) can be of micro dimension. Catalyst (75) can be provided in the microchamber (52) in sheet form such that reactants flow by the catalyst sheet. A microchannel reactor (100) can be formed by integrally bonding an alternating stack of thin recessed sheets wherein the recesses in the sheets define the flow paths.

    METHOD AND APPARATUS FOR IMPROVING WATER BALANCE IN FUEL CELL POWER UNIT
    9.
    发明专利
    METHOD AND APPARATUS FOR IMPROVING WATER BALANCE IN FUEL CELL POWER UNIT 未知

    公开(公告)号：CA2668723A1

    公开(公告)日：2008-05-22

    申请号：CA2668723

    申请日：2007-11-05

    Applicant: BATTELLE MEMORIAL INSTITUTE

    Inventor： GEORGE PAUL E ,  WHYATT GREG A

    IPC: H01M8/04 ,  H01M8/06

    Abstract: A method and apparatus for improving the water balance in a power unit by providing the exhaust gas from the cathode side of the fuel cell as a feed gas to the combustion system, condensing at least a portion of water present in the effluent from the combustion system in a condenser, and then transfe rring water vapor from the uncondensed portion of the effluent from the cond enser to the gas fed to the cathode side of the fuel cell. Water from the ex haust gas from the cathode side of the fuel cell is either captured in the c ondenser, or is reused in the feed gas of the cathode side of the fuel cell. By humidifying the air fed into system with the water vapor present in the exhaust gas, water is not lost from the system. Instead, the air is being fe d into the system is humidified with this water, which in turn allows the hu midifier to operated at higher temperatures and/or use smaller radiators and fans and/or draw less parasitic power, thereby increasing overall system ef ficiency.

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