Spring and atmospheric pressure synchronization type pipeline throat governing system

The utility model provides a spring and atmospheric pressure synchronization type pipeline throat governing system who belongs to machine design technical field, including the blow -off pipe, the rotation axis, the rotor plate, adjust the pole, the control chamber, a spring, the moving body, the control valve, first moving body, the second moving body, the longitudinal section of third moving body all has the slope structure and mutually supports, the one end of first control pipe pass behind the lower wall in control chamber with the second moving body, cavity between the third moving body is linked together, the other end and the engine of first control pipe, blast pipe between the turbine is linked together, the one end of second control valve is linked together with the cavity above the first moving body, the other end and the turbine of second control valve, blast pipe between the muffler is linked together. The utility model discloses in, when the engine load was great, the turbine discharge quantity wa