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 sea
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.
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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 to
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; anda 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. 2. The compressor seal assembly of claim 1, wherein the collar further includes a second slinger groove disposed circumferentially on the front face, the second slinger groove extending from the front face towards the rear face. 3. The compressor seal assembly of claim 2, wherein the second slinger groove extends into the slinger at a second angle relative to the front face. 4. The compressor seal assembly of claim 3 wherein the shroud is disposed between the first slinger groove and the second slinger groove. 5. The compressor seal assembly of claim 1, wherein the seal ring groove extends into the seal ring at an angle relative to the rear seal face. 6. The compressor seal assembly of claim 1, wherein the seal ring bore has a plurality of projections, the projections being axially spaced from each other and extending radially inwards from a surface of the seal ring bore. 7. The compressor seal assembly of claim 6, wherein an outer surface of the cap portion is separated from the projections by an annular gap. 8. A collar, comprising: a cap portion having a first bore configured to receive an impeller;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;a rear face opposite the front face;a circumferential side surface extending between the front face and the rear face; anda first slinger groove disposed on the side surface, and including a first lip adjacent the rear face, the first lip extending in a radial direction; a shroud extending generally axially from a shroud root on the slinger to a distal end adjacent the front face; and a first groove surface disposed between the first lip and the distal end; anda second slinger groove disposed circumferentially on the front face, the second groove extending from the front face towards the rear face, and including a second lip disposed on the rear face, the second lip extending in a radial direction; the shroud; and a second groove surface disposed between the second lip and the distal end, and wherein the shroud protrudes axially from the front face a greater distance than the second lip. 9. The collar of claim 8, wherein the shroud extends at an angle relative to a rotational axis of the collar. 10. The collar of claim 8, wherein the first slinger groove surface has a concave shape facing radially outwards relative to a rotational axis of the collar. 11. The collar of claim 8, wherein the second slinger groove extends into the slinger at an angle relative to the front face. 12. The collar of claim 8, wherein the first bore has a first diameter larger than a second diameter of the second bore. 13. The collar of claim 8, wherein the cap portion is generally cylindrical and has a first outer diameter, andthe journal portion is generally cylindrical and has a second outer diameter smaller than the first outer diameter. 14. The collar of claim 13, wherein the slinger has a third outer diameter larger than the first outer diameter. 15. The compressor seal assembly of claim 1, wherein the first bore has a first diameter larger than a second diameter of the second bore. 16. The compressor seal assembly of claim 2, wherein the second slinger groove includes a second lip disposed on the rear face, the second lip extending in a radial direction; the shroud; and a second groove surface disposed between the second lip and the distal end, and wherein the shroud protrudes axially from the front face a greater distance than the second lip. 17. The compressor seal assembly of claim 3, wherein the first angle is equal to the second angle. 18. A turbocharger, comprising: a shaft including a impeller attachment end;a compressor impeller with a shaft attachment end, the shaft attachment end including a shaft bore, the impeller attachment end fixedly disposed within the shaft bore; anda compressor seal assembly, including a seal ring having a seal ring bore; and a collar including a cap portion, a journal portion, and a slinger; andwherein: the cap portion is disposed in the seal ring bore and includes a first bore, and the impeller attachment end is disposed in the first bore;the journal portion includes a second bore and the a portion of the shaft is disposed in the second bore; andthe slinger is disposed between the cap portion and the journal portion, has a generally cylindrical shape and includes a front face, a rear face opposite the front face, a cylindrical side surface extending between the front face and the rear face, and a first slinger groove disposed on the side surface. 19. The turbocharger of claim 18, wherein: the seal ring includes 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;the front face is disposed adjacent the rear seal face of the seal ring, the front face being separated from the rear seal face by an axial gap; andthe first slinger groove includes 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. 20. The turbocharger of claim 18, wherein: the first slinger groove includes a first lip adjacent the rear face, the first lip extending in a radial direction; a shroud extending generally axially from a shroud root on the slinger to a distal end adjacent the front face; and a first groove surface disposed between the first lip and the distal end; andthe slinger includes a second slinger groove disposed circumferentially on the front face, the second groove extending from the front face towards the rear face, and including a second lip disposed on the rear face, the second lip extending in a radial direction; the shroud; and a second groove surface disposed between the second lip and the distal end, and wherein the shroud protrudes axially from the front face a greater distance than the second lip.
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