Pumps – With condition responsive pumped fluid control – Driven pump part speed responsive
Patent
1992-06-24
1993-11-02
Bertsch, Richard A.
Pumps
With condition responsive pumped fluid control
Driven pump part speed responsive
417 43, F04B 4900
Patent
active
052579140
ABSTRACT:
A pump control interface for use in a diaphragm pump including at least one diaphragm adapted to move between a suction stroke and a discharge stroke during operation of the pump. A diaphragm follower is connected for movement with the diaphragm during operation of the pump. A sensor mechanism is provided for sensing at least the position and rate of movement of the diaphragm by sensing the position and rate of movement of the diaphragm follower. In one embodiment, the control interface is provided as a rod interconnecting two diaphragms of a dual diaphragm pump for synchronous movement. A plurality of conductive targets are disposed on the rod, and a proximity switch is mounted adjacent to the rod, in order to produce pulsed output signals when in proximity with the conductive targets.
REFERENCES:
patent: 2832919 (1958-04-01), Reutter
patent: 3782863 (1974-01-01), Rupp
patent: 4345442 (1982-08-01), Dorman
patent: 4436493 (1984-03-01), Credle
patent: 4472115 (1984-09-01), Rupp
patent: 4682937 (1987-07-01), Credle
patent: 4927335 (1990-05-01), Pensa
patent: 5076890 (1991-12-01), Balembois
patent: 5174731 (1992-12-01), Korver
Basichas Alfred
Bertsch Richard A.
Warren Rupp, Inc.
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