Liquid purification or separation – Flow – fluid pressure or material level – responsive – Check valve
Patent
1999-03-18
2000-10-24
Drodge, Joseph W.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Check valve
210143, 2101981, 2105322, 2851392, 417 17, 417 441, 417411, B01D 1712, F04B 4906
Patent
active
061361844
ABSTRACT:
A liquid chemical delivery system (20) has a pump (27) driven by an electric motor (28) to draw a liquid from a bottle (21) and dispenses the liquid into a septic system (12). Separate independent controls (36,37) connect the electric motor (28) with a source of electric power (34). One of the controls (253) has a wireless remote switch (273) operable to trigger an electronic control unit (268) to activate the electric motor (228) that drives the pump (227) to deliver liquid to the septic system (212).
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patent: 5683575 (1997-11-01), Yates et al.
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