SEALING DEVICE Russian patent published in 1999 - IPC

FIELD: sealing technology; construction of pulse hydraulic accumulators. SUBSTANCE: sealing device includes stack of sealing and protective rings whose outer contour has form of truncated cone. Inner contour of bush is also made in form truncated cone whose conicity is equal to that of sealing stack. Device is provided with spring and elastomer ring. Rings of sealing stack have segment recesses with lubricant. Ring stack is pressed to inner surface of bush by means of spring. Elastomer ring is laid between bush and inner surface of body. EFFECT: enhanced reliability. 2 dwg