Pumps – Condition responsive control of pump drive motor – Responsive to change in rate of pump fluid flow
Patent
1995-08-16
1996-04-23
Bertsch, Richard A.
Pumps
Condition responsive control of pump drive motor
Responsive to change in rate of pump fluid flow
417 42, 417 53, 222651, F04B 4900
Patent
active
055097880
ABSTRACT:
The present invention is an improved flow-metered pumping system using an air-backed diaphragm pump with load compensation. A variable motor speed controller is used to compensate for flow rate reduction caused by pressure effects. When the output pressure on the pump increases to a point where the load on the pump motor exceeds a specified threshold, the motor speed controller increases the speed of the motor to compensate for pressure induced diaphragm distortion losses and to achieve a substantially constant flow rate across a range of pump output pressures.
REFERENCES:
patent: 2137928 (1938-11-01), Tangueray
patent: 2197294 (1940-04-01), Brockbank
patent: 3771333 (1973-11-01), Jurjans
patent: 3976926 (1976-08-01), Egbert
patent: 4209258 (1980-06-01), Oakes
patent: 4241299 (1980-12-01), Bertone
patent: 4384825 (1983-05-01), Thomas et al.
patent: 4413212 (1983-11-01), Okamoto et al.
patent: 4552513 (1985-11-01), Miller et al.
patent: 4661750 (1987-04-01), Mori
patent: 4712853 (1987-12-01), Howard
patent: 5141402 (1992-08-01), Bloomquist et al.
patent: 5163818 (1992-11-01), Betsill et al.
patent: 5262068 (1993-11-01), Bowers et al.
patent: 5348448 (1994-09-01), Ikemoto et al.
Hosking Stephen
Livingston James W.
Bertsch Richard A.
Diversey Corporation
Thai Xuan M.
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