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US 7,677,847 B2Granted
Sealing assembly for a spindle
AssigneeSiemens Aktiengesellschaft
InventorKarl Gebert
Life of this patent
Estimating the term…
Abstract
A spindle apparatus includes a housing for rotatable support of a spindle. The spindle is sealed by a brush seal in order to prevent fluid, contained in the housing, from escaping and/or to prevent ingress of a medium from outside into the housing.
Claims7
A spindle apparatus, comprising:
- a housing containing oil,
- a spindle rotatably supported in the housing and lubricated by oil within the housing,
- a brush seal sealing the spindle to prevent oil from escaping and to prevent ingress of liquid fluid from outside into the housing, and
- an apparatus for transfer of a medium, with the apparatus including
- a rotatable shaft for transport of oil,
- a transfer compartment provided at an end surface of the shaft and communicating with an internal bore of the shaft,
- a feed device for supply of oil into the transfer compartment for introduction into the internal bore of the shaft, and
- a sealing assembly, disposed between the shaft and the feed device, for preventing a leak during transfer of oil from the transfer compartment into the internal bore of the shaft, said sealing assembly including a brush seal and a labyrinth seal positioned adjacent to the brush seal for sealing the spindle.
5 more elements
Dependencies are inferred from the claim text.