FIELD: instrument engineering.
SUBSTANCE: invention concerns pipeline transportation and is used in air-overpneumatic systems. A flute stop block is enclosed in a compensator and extends a suction nozzle having at its end a spherical stopper supported with an internal cylindrical surface of a discharge nozzle that is provided with cone ledge. The spherical stopper and the ledge are provided with notches that are circularly displaced at an angle, providing support of the spherical stopper into the cone of the ledge when the compensator is expanded. The suction nozzle has openings which along with the notches of the ledge and the spherical stopper provide interaction of an internal cavity of the compensator with a cavity between a sylphon and the flute stop block. The discharge nozzle has an internal cone that bears the spherical stopper when the compensator is compressed.
EFFECT: improved reliability of the compensator and eliminated stagnant areas within its internal cavity.
1 cl; 4 dwg
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| 0 |
|
SU452728A1 |
