Pumps – Condition responsive control of drive transmission or pump... – Reversible flow pump
Patent
1981-11-04
1984-02-21
Look, Edward K.
Pumps
Condition responsive control of drive transmission or pump...
Reversible flow pump
417218, F04B 126
Patent
active
044327030
ABSTRACT:
An adjusting arrangement for a hydraulic pump with a variable flow quantity, having an operating cylinder located in a neutral position through the intermediary of a positively-acting resetting device, the piston of which is adjustable dependent upon the actual discharge pressure and dependent upon a parameter proportional to the actual discharge flow quantity into a position corresponding to the rated discharge flow quantity with consideration being given to the limiting value for maximum power output, maximum discharge pressure, maximum discharge flow quantity and, as required, the flow direction. An electronic control arrangement receives electrical signals corresponding to the rated discharge flow quantity and the actual discharge flow quantity and the actual pressure, which processes these signals under calculation of the actual power output and the actual pressure, and generates corresponding setting signals for the adjustment of the operating cylinder.
REFERENCES:
patent: 3750534 (1973-08-01), Leutner et al.
patent: 3788775 (1974-01-01), Leutner et al.
Berthold Heinz
Beutler Gerhard
Morsch Joachim
Schiene Karl
bso Steuerungstechnik GmbH Industriestrasse
Look Edward K.
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