Turbine wheel for a gas operated medical handpiece and...

Details Turbine wheel for a gas operated medical handpiece and... Turbine wheel for a gas operated medical handpiece and...

2006-04-06

2010-10-12

Verdier, Christopher (Department: 3745)

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Nozzle discharging onto motor runner

C415S904000, C416S185000, C416S19700C, C416S237000, C416S238000, C416S243000, C416SDIG004, C433S132000

Reexamination Certificate

active

07811056

ABSTRACT:
A turbine wheel for a gas operated medical handpiece includes a plurality of blades which extend in radial direction from a hub and extend in axial direction from a side ring web of the turbine wheel, and the front side of which is substantially concavely curved about an approximately radially running first axis of curvature. In order to increase the drive power or to better exploit the drive power at least one blade has at least in an axial end region an inclination surface which is inclined in the axial direction towards the front side.

REFERENCES:
patent: 4505677 (1985-03-01), Nakayama et al.
patent: 5364227 (1994-11-01), Franetzki et al.
patent: 5902108 (1999-05-01), Nakayama et al.
patent: 6120291 (2000-09-01), Bareth et al.
patent: 6676374 (2004-01-01), Hashimoto et al.
patent: 2003/0190583 (2003-10-01), Kuhn
European Search Report in DE 02005016035 dated Nov. 8, 2005.

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