Turbodrill

Details Turbodrill Turbodrill

1975-07-14

1976-11-02

Husar, C. J.

Rotary kinetic fluid motors or pumps

With shaft connected fluid force subjected thrust balancing...

Motor shaft

415502, 64 23, 175107, F01D 300, F01D 2518

Patent

active

039894096

ABSTRACT:
A turbodrill whose body accommodates a thrust bearing taking the reaction of the bottom hole, said bearing carrying a shaft built up of separate consecutively-connected sections and mounting the turbine rotors which create a torque and a hydraulic load and transmit them to the shaft wherein, according to the invention, there is an additional thrust bearing installed on the shaft between the main thrust bearing and the turbine rotors and taking the hydraulic load and a mechanism installed on the shaft between said thrust bearings and intended to transmit torque from one shaft section to the other and capable of elastic deformation owing to which it relieves the additional thrust bearing from the hydraulic load and transmits the latter to the thrust bearing which takes the reaction of the bottom hole.
The turbodrill according to the invention makes it possible to use the thrust bearing taking the reaction of the bottom hole until said bearing is completely worn down.

REFERENCES:
patent: 2197019 (1940-04-01), Monroe
patent: 2592519 (1952-04-01), Postlewaite
patent: 2990895 (1961-07-01), Works et al.
patent: 3039735 (1962-06-01), Tiraspolsky et al.
patent: 3054595 (1962-09-01), Kaufmann
patent: 3058510 (1962-10-01), Tiraspolsky et al.
patent: 3122902 (1964-03-01), Blair et al.
patent: 3149685 (1964-09-01), Mitchell et al.
patent: 3447340 (1969-06-01), Garrett
patent: 3858669 (1975-01-01), Jeter
patent: 3871193 (1975-03-01), Young

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