Patent ID: 6758480
Filing Date: 2004-07-06
Classification: F16H,F16J,Y10S

Abstract:
A sealing system for fast-running motors with a directly flanged-on gear unit, used for passenger conveyor systems such as escalators and moving walkways, said sealing system including:at least one sealing element comprising a radial shaft seal; at least one centrifugal element; at least one cover and suctioning element; and a lubricating oil collection chamber, provided in a region of the centrifugal element and connected via at least one channel that extends in the direction of the cover and suctioning element to a gear unit chamber of the gear unit, the gear unit chamber being located above an oil level in an intake region of the cover and suctioning element, wherein the cover and suctioning element is arranged between the gear unit and the sealing element, the centrifugal element comprises a labyrinth-type channel system, which circulates lubricating oil in the direction of the lubricating oil collection chamber, and the centrifugal element has an angular design in the cross section and that a leg with a larger dimension in a radial direction contains the labyrinth-type channel system and a leg with smaller dimension in a radial direction is designed as a sealing surface for the radial shaft seal with multiple lips.