Electricity: motive power systems – Automatic and/or with time-delay means – Level of fluid or granular material
Patent
1986-05-29
1987-03-24
Shoop, Jr., William M.
Electricity: motive power systems
Automatic and/or with time-delay means
Level of fluid or granular material
318103, 417 36, 417 40, 137395, 307 41, 361167, F04B 4106
Patent
active
046528024
ABSTRACT:
Alternator circuit arrangement (20) for controlling the electrical energization of multiple load devices such as two pump motors (41,42) on an alternating basis so as to maintain the level of a liquid (86) in a container (84) within a predetermined range. The alternator circuit arrangement (20) further including an RC circuit (54) having a capacitor (62) for discharging through a normally closed switch (50b) which is opened during energization of the pump motors (41,42) so as to energize a bi-stable relay (52) which in turn interconnects alternate ones of the pump motors (41,42) to the alternator circuit (20) such that upon detection of the liquid (86) at an intermediate level (96) alternate ones of the pumps (41,42) are energized.
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Ro Bentsu
S. J. Electro Systems Inc.
Shoop Jr. William M.
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