| abstract |
A compression valve comprising: - an upper panel (535) comprising a valve cavity (502; 512; 522; 602) separating two parts of a conduit (501, 503; 511, 513; 521, 523) ; - a membrane (537) that is fixed to said upper panel (535) that covers said valve cavity (502; 512; 522; 602) and that forms a side of said parts of said conduit (501, 503; 511, 513; 521, 523); and - a piston (685, 785) having an open position and a closed position, said piston (685, 785) compressing said membrane inside said valve cavity (502; 512; 522; 602) separating from that such parts of said conduit (501, 503; 511, 513; 521, 523), if said piston (685, 785) is in said closed position. |