Pumps – Condition responsive control of pump drive motor – By controlling drive motor motive fluid
Patent
1983-01-14
1985-07-09
Gluck, Richard E.
Pumps
Condition responsive control of pump drive motor
By controlling drive motor motive fluid
417342, 417346, 417403, 91361, 91363A, 91363R, F04B 1700, F04B 3502, F15B 903, F15B 909
Patent
active
045279543
ABSTRACT:
A multiple-mode, multiplex pumping apparatus includes circuit control elements for initializing the apparatus by placing each of the pistons and plungers in each pumping section of the multiplex pumping apparatus at a respective initial starting point. The pumping apparatus also includes electronic circuit elements for controlling the inlet valves, exhaust valves and precompression valves of the hydraulic circuit of the pumping apparatus. The apparatus includes phase control circuit elements for controlling the separation of the leading edges of the plungers of two of the pumping sections of the apparatus when the apparatus is operating as a quadruplex pump. The pumping apparatus also includes elecrtronic circuit elements for insuring that each plunger of each pumping section stops at a fixed stopping point. The apparatus also includes electronic circuit elements for controlling the volume of fluid in the rod end portions of each of the pumping sections. There are also electronic circuit elements for controlling the mode in which the apparatus functions in response to the pressure and stroke of the main pump powering the apparatus. The apparatus still further includes electronic circuit elements for converting the pumping apparatus from quadruplex operation to triplex operation.
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Cole Clinton W.
Murali Beegamudre N.
Rosenberg Jeffrey S.
Beavers Lucian W.
Duzan James R.
Gluck Richard E.
Halliburton Company
Olds Theodore
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