Tool driving or impacting – Work cleansing – By motive fluid for drive motor or advance causing or...
Patent
1974-05-14
1976-02-17
Abbott, Frank L.
Tool driving or impacting
Work cleansing
By motive fluid for drive motor or advance causing or...
175106, 175107, 415502, F01D 1512
Patent
active
039385965
ABSTRACT:
A turbo-drill is provided with a mechanism for reducing the speed of rotation of the drilling bit, the mechanism being made in the form of a frictional reduction means wherein the rotors of the turbo-drill are the inner wheel and the stators of the turbo-drill are the outer wheel. Between the stators and rotors in the carrier of the reduction means disposed are bodies of rolling, which roll during rotation of the rotor under the action of contact frictional forces. In addition, between the reduction stages of the turbine and above them mounted are one or more auxiliary stages of the turbine, each having two wheels provided with vanes, one of the wheels being connected through its hub to the shaft so as to enable axial displacement thereof with respect to the shaft.
REFERENCES:
patent: 2937008 (1960-05-01), Whittle
patent: 3039735 (1962-06-01), Tivaspolsky et al.
patent: 3598187 (1971-08-01), Mothre
patent: 3754835 (1973-08-01), Ivanov et al.
Derkach Nikolai Dmitrievich
Ivanov Evgeny Illarinovich
Kostyrya Evgeny Dmitrievich
Olthow Viktor Semenovich
Abbott Frank L.
Pate III William F.
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