Oil well pumping mechanism

Details Oil well pumping mechanism Oil well pumping mechanism

1990-03-16

1993-10-19

Herrmann, Allan D.

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

74 45, 74 51, F16H 2132

Patent

active

052535410

ABSTRACT:
A pumping mechanism particularly adapted for coupling a rotating prime mover to the sucker rod of an oil well lift pump is disclosed. A linkage assembly comprised of a V-shaped floating link and two grounded links provides straight line, reciprocating motion from a rotary input, without the massive horsehead cam and flexible cable employed by conventional oil well pumping units. A driving dyad coupled to the floating link connects the linkage assembly to the prime mover, and a counterweight is carried by one of the grounded links.

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P. 82 from W. Wunderlich, Ebere Kinematic, Hochscaltaschenbricken-Verley, Mannheim, 1970.
Thesis of Sridhar Kota, Dwell Linkage Synthesis: Development of a Knowledge-based Interactive Computer Aided Design Tool, 1987.

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