Pumps – With signal – indicator – or inspection means
Patent
1994-02-18
1995-03-28
Bertsch, Richard A.
Pumps
With signal, indicator, or inspection means
417347, 417900, 417 53, F04B 3502
Patent
active
054011400
ABSTRACT:
A system and method for controlling operation of a sludge material handling system is disclosed. The sludge material handling system includes a positive displacement piston/cylinder pump, a sludge material feed system which delivers sludge material to the pump, and a sludge material disposal system which receives and disposes of sludge material from the pump. A first parameter is sensed, the first parameter bearing a known relationship to an actual volume of sludge material delivered during a pumping cycle. An output value is determined from the first parameter. A control signal is provided as a function of the output value.
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Bertsch Richard A.
Freay Charles G.
Schwing America, Inc.
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