Pumps – Motor driven – Fluid motor
Patent
1976-04-08
1978-02-28
Croyle, Carlton R.
Pumps
Motor driven
Fluid motor
417406, 415501, F04B 908, F04B 1700
Patent
active
040764664
ABSTRACT:
A fluid pump for use in explosive bore holes comprising an elongated outer housing having upper and lower ends and adapted to permit water to enter the interior thereof. A hydraulic motor is secured to and is positioned in the lower end of the outer housing. A pump housing extends upwardly from the hydraulic motor within the outer housing. A drive shaft rotatably extends upwardly from the hydraulic motor within the pump housing and has a rotor means connected thereto for rotation therewith. The rotor rotatably extends through a pump stator means which is positioned in the pump housing. A pair of hydraulic hoses are in communication with a source of hydraulic fluid under pressure and extend downwardly into the outer housing between the outer housing and pump housing. The hoses are fluidly connected to the hydraulic motor. A discharge line is fluidly connected to the upper end of the pump housing so that water in the bore hole will be pumped upwardly through the discharge line upon actuation of the hydraulic motor. Circuitry is provided to automatically deactivate the hydraulic motor when the water has been completely removed from the bore hole. Means is also provided to prevent rocks or the like from falling in the bore hole when the pump is positioned therein. Means is also provided for removing the fluid pump from the bore hole.
REFERENCES:
patent: 1739000 (1929-12-01), Jordao
patent: 2149600 (1939-03-01), Guinard
patent: 2311963 (1943-02-01), Pyle
patent: 2648286 (1953-08-01), Bergh
patent: 2706450 (1955-04-01), Bodine
patent: 2883833 (1959-04-01), Miles
patent: 3025800 (1962-03-01), Wolfe et al.
patent: 3274940 (1966-09-01), Cottrell
patent: 3347169 (1967-10-01), Cronin et al.
patent: 3437045 (1969-04-01), Tremain
Croyle Carlton R.
Ross Thomas I.
Swanson Engineering Inc.
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