Compressor seal assembly for a turbocharger

摘要

A compressor seal assembly is disclosed. The compressor seal assembly may have a seal ring having a seal ring bore. The compressor seal assembly may also have a collar. The collar may have a cap portion having a first bore configured to receive an impeller. The cap portion may be disposed in the seal ring bore. The collar may further have a journal portion having a second bore configured to receive a shaft connectable to the impeller. The collar may also have a slinger disposed between the cap portion and the journal portion. The slinger may have a generally cylindrical shape and may have a front face. The slinger may also have a rear face opposite the front face. Further, the slinger may have a cylindrical side surface extending between the front face and the rear face. In addition, the slinger may have a groove disposed on the side surface.

主权项

1. A compressor seal assembly, comprising:
a seal ring having a seal ring bore; the seal ring including a front seal face; a rear seal face opposite the front seal face, and a seal ring groove disposed circumferentially on the rear seal face, the seal ring groove extending from the rear seal face towards the front seal face; and a collar, including:
a cap portion having a first bore configured to receive an impeller, the cap portion being disposed in the seal ring bore;a journal portion having a second bore configured to receive a shaft connectable to the impeller; anda slinger disposed between the cap portion and the journal portion, the slinger having a generally cylindrical shape and including:
a front face disposed adjacent the rear seal face of the seal ring, the front face being separated from the rear seal face by an axial gap;a rear face opposite the front face;a cylindrical side surface extending between the front face and the rear face; anda first slinger groove disposed on the side surface, and including a lip adjacent the rear face, the lip extending in a radial direction; a shroud extending from a shroud root on the slinger to a distal end at a first angle relative to the front face; and a groove surface disposed between the lip and the distal end, the shroud extending into the seal ring groove and covering the axial gap.