PRESSURE REGULATOR Russian patent published in 1997 - IPC

FIELD: mechanical engineering. SUBSTANCE: regulator housing 1 accommodates reduction and safety valves 8 and 10 respectively and control piston 6 loaded with adjustable spring 7. Guide surfaces 12 and 13 of valves 8 and 10 together with housing bore 5 form damper chamber 14, which communicates with outlet channel 3 through throttling channel 15 available in the housing. The design provides for impactless smooth seating of the safety valve onto the reduction valve when it closes. EFFECT: longer service life of pressure governor. 2 dwg