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    • 38. 发明授权
    • IMPROVED FLOW REGULATOR
    • 改良式稳压器
    • EP0804708B1
    • 2001-12-12
    • EP96905155.6
    • 1996-01-16
    • PALMER, David W.
    • PALMER, David W.
    • F24F3/16F24F11/047F24F13/14
    • F24F13/14B08B15/023F24F3/161F24F11/75F24F13/12F24F13/1426F24F2013/1433F24F2013/146F24F2013/1466F24F2110/40F24F2221/26G05D16/04Y10T137/7784Y10T137/7785Y10T137/8733Y10T137/87499
    • A regulator including a movably, preferably hingedly, mounted member having a distal face, exposed to a reference pressure, and a frontal face, exposed to fluid passing through the regulator. Attached to the member is a structure that variably impedes fluid flowing through the regulator. The amount that this structure impedes the fluid flow varies as a function of the difference between the pressure of fluid on the frontal face of the member and the reference pressure. The impeder may be an integral part of the piston extending into the path of the fluid flowing through the regulator, or it may be a separate structure attached to the member. As the member moves in response to changes in pressure differential across the piston, each movable segment is displaced with respect to its corresponding fixed segment. As the corresponding segments are further displaced with respect to each other, the impedance to flow increases. A restoring force or torque exerts a force on the member so as to tend to lessen the resistance on the fluid flow, and so that when there is no flow through the passageway the resistance is relatively low. The member may be mounted at the top of the regulator in order to make the regulator easy to clean to clean and maintain. A dashpot may be included in the regulator so as to reduce high-frequency oscillations that may occur in a finely tuned regulator. The regulator may include a bypass channel that permits a portion of the flow to bypass the impeder. A variable throttle valve mounted in the bypass channel is used to adjust the effect of the bypass channel.