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    • 1. 发明授权
    • Fuel cell control valve
    • 燃料电池控制阀
    • US07887968B2
    • 2011-02-15
    • US11688139
    • 2007-03-19
    • Alan J. JacobsenJennifer J. ZinckLeslie A. MomodaMichael W. Murphy
    • Alan J. JacobsenJennifer J. ZinckLeslie A. MomodaMichael W. Murphy
    • H01M8/04
    • H01M8/04201F16K31/002
    • A flow control valve for a fuel cell that has particular application for controlling the flow of cathode air through a cathode flow channel of the fuel cell. The valve includes an element that controls the flow through the flow channel in response to changes in the voltage potential of the fuel cell. The valve includes a shape memory alloy wire and a flow control element secured to both ends of the shape memory alloy wire. The ends of the wire are also coupled to the anode and cathode of the fuel cell. When no current is flowing through the wire, the flow control element holds the wire in a pre-strained condition. If the voltage generated by the fuel cell increases, the current passing through the wire will heat the wire and cause it to shrink or contract which forces the flow control element into the flow path.
    • 一种用于燃料电池的流量控制阀,其特别用于控制通过燃料电池的阴极流动通道的阴极空气的流动。 阀包括响应于燃料电池的电压电位的变化来控制通过流动通道的流动的元件。 阀包括形状记忆合金线和固定到形状记忆合金线的两端的流量控制元件。 导线的端部也耦合到燃料电池的阳极和阴极。 当没有电流流过电线时,流量控制元件将电线保持在预应变状态。 如果燃料电池产生的电压增加,则通过电线的电流将加热电线并使其收缩或收缩,这迫使流量控制元件进入流动路径。
    • 5. 发明申请
    • Fuel Cell Control Valve
    • 燃料电池控制阀
    • US20080233443A1
    • 2008-09-25
    • US11688139
    • 2007-03-19
    • Alan J. JacobsenJennifer J. ZinckLeslie A. MomodaMichael W. Murphy
    • Alan J. JacobsenJennifer J. ZinckLeslie A. MomodaMichael W. Murphy
    • H01M8/04
    • H01M8/04201F16K31/002
    • A flow control valve for a fuel cell that has particular application for controlling the flow of cathode air through a cathode flow channel of the fuel cell. The valve includes an element that controls the flow through the flow channel in response to changes in the voltage potential of the fuel cell. The valve includes a shape memory alloy wire and a flow control element secured to both ends of the shape memory alloy wire. The ends of the wire are also coupled to the anode and cathode of the fuel cell. When no current is flowing through the wire, the flow control element holds the wire in a pre-strained condition. If the voltage generated by the fuel cell increases, the current passing through the wire will heat the wire and cause it to shrink or contract which forces the flow control element into the flow path.
    • 一种用于燃料电池的流量控制阀,其特别用于控制通过燃料电池的阴极流动通道的阴极空气的流动。 阀包括响应于燃料电池的电压电位的变化来控制通过流动通道的流量的元件。 阀包括形状记忆合金线和固定到形状记忆合金线的两端的流量控制元件。 导线的端部也耦合到燃料电池的阳极和阴极。 当没有电流流过电线时,流量控制元件将电线保持在预应变状态。 如果燃料电池产生的电压增加,则通过电线的电流将加热电线并使其收缩或收缩,这迫使流量控制元件进入流动路径。