Electricity: measuring and testing – Electrolyte properties – Using a battery testing device
Patent
1996-04-06
1998-08-18
Oda, Christine K.
Electricity: measuring and testing
Electrolyte properties
Using a battery testing device
340636, H02J 700
Patent
active
057962553
ABSTRACT:
A device for safely transferring electrical energy from a charged battery of an operable vehicle to a discharged battery of a disabled vehicle. The device consists of two pairs of jumper cables electrically connected to an intervening safety circuit. When the jumper cables are connected to their respective batteries, the safety circuit prevents reverse-polarity bridging of the charged and discharged batteries, thereby preventing explosions or improper current flow that could injure the operator or damage either battery. The safety circuit provides a sensory indication to the user when the cables are properly connected and allows the operator to manually enable the sub-circuitry that completes the full circuit between the two batteries. The sub-circuitry that completes the full circuit between batteries, in combination with the circuit's housing, operates to eliminate dangerous sparking that typically attends the connection of the terminals of vehicle batteries.
REFERENCES:
patent: 4217534 (1980-08-01), Cole
patent: 4366430 (1982-12-01), Wright
patent: 4871957 (1989-10-01), Taranto
patent: 4969834 (1990-11-01), Johnson
patent: 5103155 (1992-04-01), Joannou
Henry David G.
Oda Christine K.
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