Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1978-05-01
1979-08-28
Hickey, Robert J.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
320 2, 339 29B, H02J 700, H01R 1100
Patent
active
041662415
ABSTRACT:
Apparatus for jumpering a first battery to a second battery. First and second jumper cables are connected to terminals of the batteries, each jumper cable being connected between corresponding polarity battery terminals to form an electrical path therebetween. A normally open set of contacts of a relay are series-connected with one of the jumper cables to hold the circuit path between the batteries open while the cables are being connected. This prevents the creation of sparks at the terminals of either battery. The relay is energized after the cables are connected to close the contacts and complete the circuit path between the batteries whereby one of the batteries may supply power to a load normally supplied by the other battery. The set of contacts are enclosed to prevent any sparks created during closure of the contacts from igniting any gases generated by the batteries. The relay is deenergized before the cables are disconnected from the respective battery terminals to open the circuit between the batteries so that the cables can thereafter be disconnected from the terminals without creating sparks at the battery terminals.
REFERENCES:
patent: 2659042 (1953-11-01), Anderson et al.
patent: 3051887 (1962-08-01), Lind
patent: 3257602 (1966-06-01), Potter et al.
patent: 3281816 (1966-10-01), Raymond
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