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    • 1. 发明授权
    • Shape memory alloy fuel injector
    • 形状记忆合金燃油喷射器
    • US06691977B2
    • 2004-02-17
    • US09809771
    • 2001-03-16
    • Albert M. KnebelMike R. Salemi
    • Albert M. KnebelMike R. Salemi
    • F16K3102
    • G05D23/025F16K31/025F16K99/0005F16K99/0038F16K99/0044F16K2099/0096
    • An actuator for controlling the flow of a fluid stream through a valve comprising a shape memory alloy element that positions a valve element to a first position when said SMA element is in an ambient temperature state and a second position when said SMA element is in an elevated temperature state, and a flow plate situated in the fluid stream in a position upstream of the SMA element and having a through-hole pattern to increase the velocity of fluid around the SMA element while it is in its elevated temperature state so as to cool the SMA element by fluid controlled by said valve and return the SMA element to its ambient temperature state.
    • 一种用于控制流体流通过阀的流动的致动器,包括形状记忆合金元件,当所述SMA元件处于环境温度状态时,将阀元件定位到第一位置,而当所述SMA元件处于升高状态时,第二位置 温度状态和位于SMA元件上游位置的流体流中的流动板,并且具有通孔图案,以在SMA元件处于其升高温度状态时增加流体周围的流体流速,从而冷却 SMA元件由流体由所述阀控制并将SMA元件返回到其环境温度状态。