REDUCING DEVICE Russian patent published in 2013 - IPC G05D16/10 G01L9/00 

FIELD: machine building.

SUBSTANCE: reducing device includes a gas pressure regulator, a cutout valve with air boost in an inlet channel, a safety valve in an outlet channel, which is connected through a throttle to a drain and a piston of the inlet and drain unloading valves consisting of a cutout valve; at that, in the cage with two shoulders there arranged is the inlet and drain unloading valves, which are detached from each other with a spring till they are borne against shoulders; the cage is connected through pushers to a piston and a return spring.

EFFECT: economy of gas reserves in an inlet line, avoidance of parasite high-pressure gas consumption from the inlet line to a drain, reduction of noise level and vibrations at operation of pneumatic systems, in which a reducing device is installed.

4 dwg