FIELD: mechanical engineering; pneumatic brake systems.
SUBSTANCE: outlet valve of pressure differential control contains holding ring, rigid piston and elongated elastic pliable shock absorbing element. Said element is arranged on first surface of piston in cylinder with walls element limits travel of piston in cylinder at end of pressure discharge. Oil is dispersed in cylinder. Piston is limited by element and coating with continuous peripheral part extending from second diaphragm element. Outer surface of second element brings inner surface in contact with other end so that pressure is transmitted to piston making it change form of said element to provide getting into cylinder housing, thus delivering pressure directly from main chamber of housing to outlet holes.
EFFECT: improved characteristics of valve.
25 cl, 10 dwg
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