Well pumping unit

Details Well pumping unit Well pumping unit

1986-10-22

1987-11-03

Staab, Lawrence

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

F04B 4702

Patent

active

047036656

ABSTRACT:
A pumping unit has a short base frame and interchangeable crank arms, while retaining a relatively low net peak torque requirement obtained through a slower upstroke and a faster downstroke.

REFERENCES:
patent: 1890807 (1932-12-01), Faber
patent: 2079276 (1937-05-01), Bloss
patent: 2153094 (1939-04-01), Maier
patent: 2515360 (1950-07-01), Vail
patent: 3310988 (1967-03-01), Gault
patent: 4505162 (1985-03-01), Hoh et al.

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