Systems and Methods for Efficiently Charging Power Recovery Controller
First Claim
1. A method of charging a battery of a vehicle using a regenerative braking system, comprising:
- converting, by the regenerative braking system, mechanical energy from braking of the vehicle, into electrical energy;
storing the electrical energy in a bank of capacitors;
generating, by a pulsing circuit and from at least a portion of the electrical energy stored in the bank of capacitors, a series of current pulses at a frequency corresponding to a resonant frequency of the battery, wherein the series of current pulses comprises constructive resonant ringing that is constructive with respect to charging the battery; and
feeding the series of current pulses through the battery.
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Abstract
The inventive subject matter provides systems and methods for efficiently charging a battery of a vehicle using a regenerative braking system. In one aspect of the invention, the battery charging system includes a regenerative braking system that is configured to convert mechanical energy from braking of the vehicle into electrical energy. The battery charging system also includes a bank of capacitors that is configured to store the electrical energy generated by the regenerative braking system. The battery charging system also includes a circuit that is configured to feed into the battery at least a portion of the electrical energy stored in the bank of capacitors as a series of current pulses at a frequency that corresponds to a resonant frequency of the battery. The series of pulses includes constructive resonant ringing that is constructive with respect to charging the battery.
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Citations
28 Claims
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1. A method of charging a battery of a vehicle using a regenerative braking system, comprising:
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converting, by the regenerative braking system, mechanical energy from braking of the vehicle, into electrical energy; storing the electrical energy in a bank of capacitors; generating, by a pulsing circuit and from at least a portion of the electrical energy stored in the bank of capacitors, a series of current pulses at a frequency corresponding to a resonant frequency of the battery, wherein the series of current pulses comprises constructive resonant ringing that is constructive with respect to charging the battery; and feeding the series of current pulses through the battery. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A battery charging system for charging a battery of a vehicle, comprising:
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a regenerative braking system configured to convert mechanical energy from braking of the vehicle into electrical energy; a bank of capacitors configured to store the electrical energy generated by the regenerative braking system; and a circuit configured to feed into the battery at least a portion of the electrical energy stored in the bank of capacitors as a series of current pulses at a frequency corresponding to a resonant frequency of the battery, wherein the series of pulses comprises constructive resonant ringing that is constructive with respect to charging the battery. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification