Dual battery system
First Claim
1. A dual-battery system comprising a starter battery, a generator, a primary load, a vehicle electrical system battery, a starter, and a power switch, connected between the starter battery and vehicle electrical system battery so that the starter battery and vehicle electrical system battery can be connected together in parallel during operation of the starter,and a first controllable electronic switch connected in parallel to the power switch.
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Accused Products
Abstract
This invention provides a dual-battery system (1) and a method for activating it, which comprises a starter battery (2), a generator (3), primary load (4), a vehicle electrical system battery (6), a starter (8), and a power switch (10), arranged between the starter battery (2) and vehicle electrical system battery (6), by way of which the starter battery (2) and vehicle electrical system battery (6) can be connected together in parallel during the starting operation, and further includes a controllable electronic switch (13) connected in parallel to a power switch (10).
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Citations
9 Claims
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1. A dual-battery system comprising a starter battery, a generator, a primary load, a vehicle electrical system battery, a starter, and a power switch, connected between the starter battery and vehicle electrical system battery so that the starter battery and vehicle electrical system battery can be connected together in parallel during operation of the starter,
and a first controllable electronic switch connected in parallel to the power switch.
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8. A method for controlling a dual-battery system including a starter battery, a generator, a primary load, a vehicle electrical system battery, a starter, and a power switch, connected between the starter battery and vehicle electrical system battery so that the starter battery and vehicle electrical system battery can be connected together in parallel during operation of the starter,
and a first controllable electronic switch connected in parallel to the power switch which comprises: -
a) sensing a charge balance between the starter battery and the vehicle electrical system battery based on a current profile at the first controllable electronic switch; and
b) making the first controllable electronic switch conductive when a charging current can flow from the vehicle electrical system battery to the starter battery. - View Dependent Claims (9)
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Specification