Fastening arrangement for an impeller on a shaft

Details Fastening arrangement for an impeller on a shaft Fastening arrangement for an impeller on a shaft

2008-05-20

2008-05-20

Look, Edward K. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Turbo machine

C416S20400A

Reexamination Certificate

active

07374402

ABSTRACT:
The fastening arrangement (26) for an impeller (22) on a shaft (14), in particular for an impeller (22) of a turbocharger on a turbocharger shaft (14), comprises a bush (34), which can be screwed onto a shaft journal (20) of the shaft (14), and a shaft-side hub extension (30) of the impeller (22) having a central recess (32), into which the bush (34) can be inserted in a frictional manner. The hub extension (30), at least in the region of its shaft-side end, is designed approximately in the form of a hollow cylinder. The fastening arrangement (26) also comprises a press sleeve (36) which can be frictionally connected radially on the outside to the hub extension (30).

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Excerpt from “Diesel and Gas Turbine catalog 1998”, EGT 297, State of the Art.
“Turbochargers from European Gas Turbines—A Major player in the Turbocharger world.”,Diesel&Gas Turbine Worldwide Catalog, 1998, pp. 686-687.

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