Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1977-08-22
1978-12-12
Hickey, Robert J.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
200180, 318139, 320 15, H02J 700, H02P 700
Patent
active
041298179
ABSTRACT:
The adjacent terminals of adjacent battery cells are grouped in regularly spaced pairs of contacts. A first commutating member has a plurality of regularly spaced contact members effective to connect the contacts of each pair but one and is movable sequentially through a plurality of positions to vary the unconnected contact pair. One of the contact members adjacent the unconnected contact pair provides a first output terminal. A second commutating member has a single contact member effective to connect the contacts of one of said pairs and provide a second output terminal and is movable sequentially through a plurality of positions to vary the connected contact pair. Actuator means are movable sequentially through a plurality of positions in a first direction and a second direction and are connected through a unidirectional clutch to the second commutating member to move it in one direction to increase the number of cells connected across the output terminals with movement of the actuator means in its first direction and through a unidirectional clutch to the first commutating member to move it in the same one direction to decrease the number of cells connected across the output terminals with movement of the actuator means in its second direction, thereby varying the output voltage in a stepped fashion and equalizing the discharge of the individual cells with such variation.
REFERENCES:
patent: 1932961 (1933-10-01), Fay et al.
patent: 3134063 (1964-05-01), Hastings, Jr.
patent: 3168688 (1965-02-01), Roggenkamp
patent: 3249836 (1966-05-01), Stamm
patent: 3886426 (1975-05-01), Daggett
Jones Trevor O.
Yew Ming-Chih
General Motors Corporation
Hickey Robert J.
Sigler Robert M.
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