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LEVER MECHANISM OF A PRESSURE REGULATOR WITH DIRECT FEEDBACK

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When the pressure increases in pipeline 1, piston 2 is moved upward and turns double-fork lever 3 about roller A, entering slot a of the lever. This shifts valve spool 4 upward so that the upper end of cylinder 5 is connected to the valve, into which fluid is delivered. At this, piston 6 and shutter 7 begin to move downward, turning lever 3 about roller B. mounted on the rod of piston 2, so that point C begins to move downward together with valve spool 4. After a certain time interval, point C reaches its initial position, valve spool 4 blocks off the ports to cylinder 5 and the motion of shutter 7 ceases. When the pressure in pipeline 1 drops,te the elements of the regulator operate in the reverse direction.
$3898$LHP,Rg$

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