Automatic pump sequencing and flow rate modulating control syste

Details Automatic pump sequencing and flow rate modulating control syste Automatic pump sequencing and flow rate modulating control syste

1979-06-18

1981-05-26

Coe, Philip R.

Pumps

Condition responsive control of pump drive motor

Plural pumps having separate drive motors, supply sources,...

417347, F04B 4106

Patent

active

042695694

ABSTRACT:
The present invention relates to a control system for automatic, continuous sequencing and modulating the flow rate of a plurality of high pressure pumps, having specific, albeit not exclusive application to mud pumps used in well drilling procedures.
More particularly, the essence of the invention reposes in a novel volume output sensing servo system which continuously senses deviation in pump drive fluid volume output and automatically responds to such changes to maintain proper pump sequence.

REFERENCES:
patent: 1557222 (1925-10-01), Warner
patent: 3249053 (1966-05-01), Govan
patent: 3432088 (1969-03-01), Steiger
patent: 3610848 (1971-10-01), Rosenberg
patent: 3627449 (1971-12-01), Salo
patent: 3639081 (1972-02-01), Gray et al.

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