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    • 7. 发明授权
    • MICROVANNE FLUIDIQUE A OUVERTURE PAR COMMANDE ELECTRIQUE
    • MICROVANNE FLUIDIQUE OUVERTURE PAR COMMANDE ELECTRIQUE
    • EP1633988B1
    • 2006-09-13
    • EP04742887.5
    • 2004-06-15
    • BIOMERIEUXSNPE Matériaux Energétiques
    • BROYER, PatrickCOLIN, BrunoROLLER, Denis
    • F15C5/00
    • F16K99/0001F15C5/00F16K99/0036F16K99/0067F16K2099/0074F16K2099/008Y10T137/2082Y10T137/2196Y10T137/2224
    • The invention relates to an electrically-opened micro fluid-valve. The inventive valve comprises: at least one planar support (12); at least one afferent microchannel (14); at least one efferent microchannel (16), said microchannels being arranged in the support (12) such that at least one of the ends (141 and 161) thereof touch the inner face (121) of the support close to one another; at least one deposit (18) of a heat-sensitive material which is disposed on the inner face (121) of the support (12); and at least one heating means (20). According to the invention, the aforementioned deposit (18) of heat-sensitive material at least partially seals the space separating the ends (141 and 161) of the microchannels (14 and 16), thereby preventing same from intercommunicating. When the temperature of the above-mentioned heating means (20) is raised, the structure of the heat-sensitive material is altered, thereby at least partially opening the ends of the microchannels and the space therebetween, in order to enable communication between said microchannels and to restore the flow of the fluid.
    • 本发明涉及一种电开式微流体阀。 本发明的阀包括:至少一个平面支撑件(12); 至少一个传入微通道(14); 至少一个传出微通道(16),所述微通道布置在支撑件(12)中,使得其至少一个端部(141和161)接触支撑件的内表面(121)彼此靠近; 至少一个设置在支撑件(12)的内表面(121)上的热敏材料沉积物(18); 和至少一个加热装置(20)。 根据本发明,上述热敏材料沉积物(18)至少部分地密封分隔微通道(14和16)的端部(141和161)的空间,从而防止它们相互连通。 当上述加热装置(20)的温度升高时,热​​敏材料的结构发生改变,由此至少部分地打开微通道的端部及其间的空间,以便使所述微通道 并恢复流体的流动。