Controlling multiple pumps operating in parallel or series

Details Controlling multiple pumps operating in parallel or series Controlling multiple pumps operating in parallel or series

2006-03-07

2006-03-07

Picard, Leo (Department: 2125)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Mechanical control system

C417S001000

Reexamination Certificate

active

07010393

ABSTRACT:
Often, an application or process calls for multiple pumps operating within a piping network. Pump load, such as flow rate or pressure, is shared between these multiple pumps. The present disclosure relates to effective means of distributing the pumping load in a manner that satisfies the process requirements while keeping the pumping machinery safe from functioning in damaging operating regions. It also discloses a method of operating pumps in an efficient or optimal fashion. An additional aspect is a method of using an open-loop response to deal with large transients threatening to force a pump into an operating region that might result in damage or destruction.

REFERENCES:
patent: 5347467 (1994-09-01), Staroselsky et al.
patent: 6045332 (2000-04-01), Lee et al.
patent: 6217288 (2001-04-01), Mirsky et al.
patent: 6602057 (2003-08-01), Saxena et al.

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