PRESSURE REGULATOR Russian patent published in 2015 - IPC G05D16/06 

FIELD: machine building.

SUBSTANCE: in pressure regulator comprising casing with input and output unions, seat with sealing surface, valve coaxially connected with spring and pressed to the seat sealing surface, sensing element in form of the bellows, loading spring and dampening assembly; according to invention the dampening assembly is located in the bellows and is made as split bushing pressed by spring and crimping the stock, its guide is permanently fixed in the casing, and is casing for the dampening assembly and bellows stroke limiter, in its corrugations the ring inserts are located; at that bellows by one end is permanently fixed in the casing, and by another end - on stock connected with valve by means of the located in the body cylindrical followers, another end of the stock by means of the spring via the trays interacts with the regulating screw, and work pressure cavity is connected with cavity outside the bellows by means of the cylindrical holes made in the body; at that the pressure regulator is equipped with relief device in form of the throttle secured on the bonnet with small diameter channel, upstream it a flat filter is installed, and in the bonnet through holes are made, from outside they are protected by the rubber ring.

EFFECT: extended possibilities, increased reliability and reduced dimensions of the pressure regulator.

2 dwg