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    • 4. 发明公开
    • METHOD AND ARRANGEMENT TO ACCOMPLISH A ONE-WAY FLOW
    • 设备用于生产单向流动
    • EP1244882A1
    • 2002-10-02
    • EP00986157.6
    • 2000-12-14
    • Persson, Mats
    • Persson, Mats
    • F16K7/07
    • F16K15/145Y10T137/7783Y10T137/7889
    • The invention concerns a method and an arrangement to accomplish a self-acting function of one-way flow in a conduit (2) with a minimal flow resistance. A one-way valve (1), which in an unaffected position blocks the conduit (2), is of a flexible, elastic material, and is arranged with a tight fit in connection to the inner surface of the conduit (2) and is partially fixed along the inner circumference of conduit (2) by means of one or more parts having a surface with longitudinal/circumferential extension in the conduit (2). In case of pressure of a medium in one direction of the conduit (2), any flow will be blocked due to the fact that said pressure of the medium will press the non fixed parts of the one-way valve (1) against the inner surface of the conduit (2), whereby a completely tight element is formed. Reversed will the non-fixed parts of the one-way valve (1) collapse in case of pressure of the medium directed in the opposite direction, whereby a flow will be let through without any substantial resistance depending on the magnitude of the pressure.
    • 8. 发明授权
    • ARRANGEMENT TO ACCOMPLISH A ONE-WAY FLOW
    • 设备用于生产单向流动
    • EP1244882B1
    • 2006-04-19
    • EP00986157.6
    • 2000-12-14
    • Persson, Mats
    • Persson, Mats
    • F16K7/07F16K7/17
    • F16K15/145Y10T137/7783Y10T137/7889
    • The invention concerns a method and an arrangement to accomplish a self-acting function of one-way flow in a conduit (2) with a minimal flow resistance. A one-way valve (1), which in an unaffected position blocks the conduit (2), is of a flexible, elastic material, and is arranged with a tight fit in connection to the inner surface of the conduit (2) and is partially fixed along the inner circumference of conduit (2) by means of one or more parts having a surface with longitudinal/circumferential extension in the conduit (2). In case of pressure of a medium in one direction of the conduit (2), any flow will be blocked due to the fact that said pressure of the medium will press the non fixed parts of the one-way valve (1) against the inner surface of the conduit (2), whereby a completely tight element is formed. Reversed will the non-fixed parts of the one-way valve (1) collapse in case of pressure of the medium directed in the opposite direction, whereby a flow will be let through without any substantial resistance depending on the magnitude of the pressure.