Patent ID: 7811056
Filing Date: 2010-10-12
Classification: A61C,F01D,Y10S,Y10T

Abstract:
1. A turbine wheel for a gas operated medical handpiece, comprising: a plurality of blades that extend in a radial direction from a hub, at least one of the plurality of blades including a concavely curved front side, a rear side, and two axial sides; a first ring web extending in a radial direction from the hub, each blade in the plurality of blades being connected to the first ring web at one axial side of the blade, the other axial side of each blade forming a free blade end; a second ring web, located on a side of the plurality of blades opposite the first ring web, the second ring web being separated from the free blade end of each blade, and the second ring web extending from the hub to a radial height equal to a radial height of the plurality of blades; and a ring chamber formed between the second ring web and the free blade end of each blade; wherein the rear side includes an inclination surface that is inclined in the axial direction towards the front side.