END-TYPE SEALING DEVICE Russian patent published in 1996 - IPC

FIELD: shipbuilding. SUBSTANCE: ring 3 is connected with bearings flange 6 by means of two coaxial bellows 4 which form chamber 5 of medium to be sealed between shaft 1 and inner bellows; bearing flange 6 is secured on plate 7 of housing 8 of mobile sealing device which is provided with header 9 at joint area of mobile and fixed members of friction pair. Thermocouple 10 placed in flow of leakage liquid accumulated in header sends its pulse to load regulator 11 which feeds buffer medium to non-flow-through hermetic chamber 13 via passage 12. EFFECT: enhanced reliability.