Controllable dental turbine

Details Controllable dental turbine Controllable dental turbine

1992-12-03

1994-11-15

Kwon, John T.

Rotary kinetic fluid motors or pumps

With control means responsive to non-cyclic condition...

By shaft speed or torque responsive means

415904, F01D 1706

Patent

active

053642279

ABSTRACT:
A regulatable dental turbine includes an actuator arrangement which is provided for regulating the speed by varying the amount of an essentially constant volume stream of drive fluid striking a turbine wheel of the dental turbine. The change of the direction based on the actuator arrangement bypasses a portion of the volume hitting the blades of the dental turbine. The actuator arrangement operates in a speed-dependent fashion based on the flow deflected by the blades of the wheel on an impact surface.

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patent: 3270417 (1966-09-01), Stram
patent: 3639074 (1972-02-01), Killick
patent: 3865505 (1975-02-01), Flatland
patent: 3955284 (1976-05-01), Balson
patent: 4355949 (1982-10-01), Bailey
patent: 5066191 (1991-11-01), Wuehrer

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