ADAPTIVE PNEUMATIC DRIVE WITH REVERSE PNEUMATIC LINKAGE Russian patent published in 2019 - IPC F15B11/68 

FIELD: machine building.

SUBSTANCE: invention relates to the field of pneumatic drives used in power and auxiliary mechanisms and machines of process equipment, where synchronous operation of two and more pneumatic cylinders is required, which are able to adapt to variable loading force at the output link. Drive comprises air cylinder, pneumatic distributor, pneumatic speed sensor, pressure valve, pneumatic amplifier and check valve, pressure valve further comprises a movable cylinder with a piston, the pneumatic booster comprises a body divided into two cavities, one of which, a sub-membrane cavity with a membrane, is intended for supplying a control signal to it from a speed sensor.

EFFECT: technical result consists in stabilization of speed of mechanisms and machines of process equipment.

3 cl, 4 dwg