FIELD: mechanical engineering.
SUBSTANCE: face seal of a shaft has sealing unit and cooler included in a close loop for coolant circulation. The casing of the cooler is made of a bushing arranged coaxially with respect to the shaft. The outer side of the bushing is provided with ribs. The bushing has face flanges. The ribs are made of concentric rings. The number of rings is no less than four. The ribs have two opposite cuts.
EFFECT: enhanced reliability of the seal.
1 cl, 4 dwg
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