Profile design method of valve plug of conical throttle valve with controlled pressure differential characteristics
A design method and throttle valve technology, applied in the direction of valve lift, valve details, valve device, etc., can solve the problems of limiting the efficiency of the design of the conical throttle valve spool profile, avoid repeated cycle iterations, and improve efficiency Effect
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[0026] In order to make the technical purpose, technical solution and technical advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples of implementation.
[0027] figure 1 , figure 2 They are respectively a three-dimensional longitudinal section view and a two-dimensional longitudinal section view of a typical conical throttle valve. The conical throttle valve consists of a valve core 1 and a housing 2 forming an axisymmetric fluid channel, wherein the valve core profile 11 is a rotary surface, and the inner wall surface 21 of the housing is also a rotary surface. Spool 1 can be along figure 1 Move in the direction indicated by the double arrow in the center. During the movement of the spool 1, a certain weft circle on the spool surface 11 and a fixed weft circle on the inner wall surface 21 of the housing form the throat section 3 with the smallest flow area (such...
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