STOP SEAL Russian patent published in 1995 - IPC

FIELD: mechanical engineering. SUBSTANCE: movable sealing member is mounted on a rotor. A slide bearing is made in a shaft fixed in the axial direction. A flange is secured to the rotor and fixed against rotation with a locator. The flange is connected to the shaft through thread and torque spring. The rotor bears on the shaft bearing mounted in the housing for axial movement. The fixed sealing member is mounted in the housing via the secondary sealing ring or two or more rings mounted in series. EFFECT: enhanced reliability. 2 cl, 2 dwg