PRESSURE REGULATOR Russian patent published in 1999 - IPC

FIELD: automatic regulation equipment. SUBSTANCE: device has actuation mechanism with housing and constrictor, and control mechanism which comprises diaphragm, which is balanced with spring, valve with pressing bush and saddle, and two-arm lever, which is mounted on axle and which one arm is connected to diaphragm and another to pressing bush. Goal of invention is achieved by design of two-arm level which is L-shaped. Lever axle is mounted for reciprocal movement in direction which is parallel to axis of pressing bush and is connected to mobile constrictor. Lever axle is connected to mobile constrictor by means of master can with inclined flat or complex-shape surface and spring-loaded coupling rod which rests on working surface. EFFECT: increased precision of regulation, prevention of self- oscillatory movements. 3 cl, 1 dwg