Title:
DENTAL PREPARATION INSTRUMENT WITH A PNEUMATIC TURBINE
Document Type and Number:
WIPO Patent Application WO/2014/122316
Kind Code:
A1
Abstract:
A dental preparation instrument having a pneumatic turbine (1) with a rotor (5) for driving a tool (1.1), wherein the rotor (5), which is mounted in a turbine chamber (18) for rotation about an axis of rotation (4), is impinged by compressed air from a compressed-air nozzle (22). A first radial partition (23) has an opening (17) via which an annular space (8) is in flow connection with an outlet duct (19).
Inventors:
ERTUGRUL METIN (DE)
GOISSER SIEGFRIED (DE)
GOISSER SIEGFRIED (DE)
Application Number:
PCT/EP2014/052586
Publication Date:
August 14, 2014
Filing Date:
February 11, 2014
Export Citation:
Assignee:
SIRONA DENTAL SYSTEMS GMBH (DE)
International Classes:
A61C1/05
Foreign References:
EP0830848A1 | 1998-03-25 | |||
DE4320532C1 | 1994-09-08 | |||
CH689796A5 | 1999-11-30 |
Attorney, Agent or Firm:
SOMMER, PETER (DE)
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