Pumps – Motor driven – Electric or magnetic motor
Patent
1984-03-19
1986-05-06
Croyle, Carlton R.
Pumps
Motor driven
Electric or magnetic motor
417415, 92137, 74 41, 74108, 74582, F04B 1700, F16C 110
Patent
active
045868794
ABSTRACT:
A well pumping unit for use in association with an oil well, water well or the like having a downhole pump operated by a reciprocating pump rod with the pumping unit including a pair of large diameter rotatable wheels independently supported from upstanding supports on a deck, platform or skid with the wheels being interconnected by a pin to which a cable for operating the pump rod is attached. The cable is entrained over a series of pulleys and anchored to a supporting structure with one of the pulleys being a traveling pulley having a cable attached thereto extending over a head pulley and connected with the pump rod for reciprocating the pump rod when the wheels are rotated. The pin interconnecting the wheels is received in one of a plurality of radially spaced pairs of openings to enable the stroke of the pump to be varied by varying the radial position of the pin in relation to the rotational axis of the wheels. The wheels are driven by an electric motor with small pulleys and drive belts engaged with the large diameter wheels. A photovoltaic cell assembly may be used to charge batteries for storing electrical energy to drive the electric motor for powering the well pumping unit.
REFERENCES:
patent: 420692 (1890-02-01), Miller
patent: 797672 (1905-08-01), Drennen
patent: 1269343 (1918-06-01), Wacker
patent: 1620795 (1927-03-01), Black
patent: 1649078 (1927-11-01), Ratigan
patent: 2087785 (1937-07-01), Sjolseth
patent: 2555574 (1951-06-01), Crawford
Blue Sky Water Supply, Blue Sky Water Supply Co., Billings, Mt., 12/6/1982.
Croyle Carlton R.
Jacobson Harvey B.
O#Brien Clarence A.
Olds Theodore W.
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