Turbine for a dental handpiece
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 17, 1994
Grant Date -
N/A
app pub date -
Jun 10, 1993
filing date -
Jun 10, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A turbine for a dental handpiece. The turbine (10) includes a rotor housing (16) fabricated of a ceramic material, the rotor housing defining a cylindrical rotor chamber (18) therein. An inlet port (20) is provided in the rotor housing (16) for placing the rotor chamber in fluid communication with a source of pressurized fluid, and an outlet port (22) is provided for exhausting the pressurized fluid from the rotor chamber (18). The turbine (10) also includes a rotor member (24) mounted in the rotor chamber (18) of the rotor housing, the rotor member also being fabricated of a ceramic material. The rotor member (24) defines a first end portion (28) which is received through an opening (38) provided in the rotor housing (16) for engaging and supporting a dental tool member (14). The rotor member (24) also includes a rotor disk (32) which carries a plurality of blades (34), and which is selectively rotated by the flow of pressurized fluid within the rotor chamber (18).
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Family
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Cited Art Landscape
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