Power plants – Pressure fluid source and motor – Utilizing natural energy or having a geographic feature
Patent
1983-02-28
1985-02-26
Garrett, Robert E.
Power plants
Pressure fluid source and motor
Utilizing natural energy or having a geographic feature
74 41, 91277, 91397, 60370, 92 137, F15B 1304
Patent
active
045011192
ABSTRACT:
A pump jack of the type comprising a rocker arm pivotably mounted intermediate its ends on a support member, said rocker arm being divided by said pivot mounting into a sucker-rod limb and a drive limb wherein the improvement comprises a pneumatic motor pivotably attached to the drive support member and further pivotably attached to the mounting base of the pump jack to provide the power to reciprocate the pump jack. The working fluid of said pneumatic motor being natural gas which is available from the well casing of the well without any interference with the flow of the oil in the oil tube of the well thereby making use of an energy source available at any oil well without having to provide gasoline to drive a rotating type gasoline engine or electricity to drive an electric motor usually of the rotating variety. Also the stroke of a pneumatic cylinder inherently smooths out and eliminates the shock loading at the extremes of motion at the piston mounted to the sucker rods of such pump jack at the bottom of the well.
REFERENCES:
patent: 1494768 (1924-05-01), Bloss et al.
patent: 1699675 (1929-01-01), Reschke
patent: 2074550 (1937-03-01), Humphrey
patent: 2098290 (1937-11-01), Hinkle et al.
patent: 2187659 (1940-01-01), Lane
patent: 2704998 (1955-03-01), Day et al.
patent: 3365624 (1968-01-01), Komendera
patent: 3971213 (1976-07-01), Kelley
Garrett Robert E.
Meyer Richard S.
Millard Sidney W.
NuJack Oil Pump Company
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