Reciprocating pump control system

Details Reciprocating pump control system Reciprocating pump control system

2005-05-10

2005-05-10

Koczo, Jr., Michael (Department: 3746)

Pumps

Condition responsive control of pump drive motor

In response to pump speed

C417S044100, C417S053000

Reexamination Certificate

active

06890156

ABSTRACT:
A pumpjack speed control system includes a user interface, a controller and a variable speed drive. The user interface includes a mathematical representation of the pumpjack geometry which permits the conversion of rod speed profiles to crank speed profiles.

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U.S. Appl. No. 09/749,303, filed Sep. 5, 2002, Chan et al.
Lufkin Industries Inc., “Lufkin—Pumping Units” Composite Catalogue, reprinted from 43rd (1998-99), Lufkin, Texas.

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