Method and apparatus for reconditioning a battery

• US 6,479,966 B2
• Filed: 09/19/2001
• Issued: 11/12/2002
• Est. Priority Date: 07/10/2000
• Status: Expired due to Fees

• Current Assignee: Tachiang Technology Corp.
• Original Assignee: Tachiang Technology Corp.
• Inventors: Wu, Arthur Chenghsin, Chiang, Tai-An
• Primary Examiner(s): Tso, Edward H.
• Application Number:
  US09/957,384
• Publication Number:
  US 20020014878A1
• Time in Patent Office: 419 Days
• Field of Search: 320/129, 320/130, 320/131, 320/140, 320/141
• US Class Current: 320/130
• CPC Class Codes: H02J 7/0069 Charging or discharging for charge maintenance, battery initiation or rejuvenation
• CPC Class Codes: H02J 7/00711 with introduction of pulses during the charging process

Abstract

A method and apparatus for reconditioning and charging a battery is disclosed. The lead-acid battery rejuvenator apparatus comprises of an oscillator, a frequency divider and a pair of transistors. The oscillator outputs a frequency signal. The frequency divider receives the frequency signal and splits the frequency signal into a plurality of non-overlapping operating frequency signals. These operating frequency signals are sent to respective operating frequency output terminals. The three terminals of a first transistor are electrically connected to one terminal of an inductor, the negative terminal of the lead-acid battery and one of the operating frequency output terminals. The other terminal of the inductor is electrically connected to the negative terminal of the lead-acid battery. The three terminals of a second transistor are electrically connected to one terminal of a resistor, the negative terminal of the lead-acid battery and another operating frequency output terminal. The other terminal of the resistor is electrically connected to the positive terminal of the lead-acid battery.

Claims

1. A lead-acid battery rejuvenator, comprising:

an oscillator for outputting a frequency signal;

a frequency divider having a plurality of operating frequency output signal, wherein the frequency divider receives the frequency signal from the oscillator and divides the input frequency signal into a plurality of non-overlapping operating frequency signals, then the operating frequency signals are distributed to respective operating frequency output terminals, wherein the operating frequency signal is close to microwave frequency;

a first transistor, wherein the load terminal of the first transistor is electrically connected to one terminal of an inductor while the other terminal of the inductor is electrically connected to the positive terminal of the lead-acid battery, the ground terminal of the first transistor is electrically connected to the negative terminal of the lead-acid battery, and the control terminal of the first transistor is electrically connected to one of the operating frequency output terminals of the frequency divider; and

a second transistor, wherein the load terminal of the first transistor is electrically connected to one terminal of a resistor while the other terminal of the resistor is electrically connected to the positive terminal of the lead-acid battery, the ground terminal of the second transistor is electrically connected to the negative terminal of the lead-acid battery, and the control terminal of the second transistor is electrically connected to one of the operating frequency output terminals of the frequency divider.

2. The rejuvenator of claim 1, wherein the operating frequency signal is between 700 KHz˜

10,000 Mega Hz.

3. The rejuvenator of claim 1, wherein the first transistor includes a metal-oxide-semiconductor (MOS) transistor.

4. The rejuvenator of claim 3, wherein the operating frequency signal is between 700 KHz˜

10,000 Mega Hz.

5. The rejuvenator of claim 1, wherein the second transistor includes a metal-oxide-semiconductor (MOS) transistor.

6. The rejuvenator of claim 5, wherein the operating frequency signal is between 700 KHz˜

10,000 Mega Hz.

7. A method for reconditioning a battery, comprising the steps of:

providing an oscillatory frequency signal; and

dividing the oscillatory frequency signal into a plurality of non-overlapping operating frequencies; and

feeding each of said non-overlapping operating frequency to an output terminal of transistor to produce a pulse signal, wherein a frequency of the pulse signal is closer to a microwave frequency.

8. The method of claim 7, wherein the pulse signal has a frequency in the range 500˜

700 KHz.

9. The method of claim 7, wherein the pulse signal and the reverse phase pulse signal alternate with each other.

10. The method of claim 9, wherein the pulse signal has a frequency in the range 500˜

700 KHz.

11. The method of claim 7, wherein the predetermined period of delay after the termination of the pulse signal is between half an input waveform to a full input waveform.

12. The method of claim 11, wherein the pulse signal has a frequency in the range 500˜

700 KHz.

13. The method of claim 7, wherein the pulse signal and the reverse phase pulse signal alternate with each other.

14. The method of claim 13, wherein the pulse signal has a frequency in the range 500˜

700 KHz.

15. A method for reconditioning a battery, comprising the steps of:

generating a positive oscillatory frequency signal and a negative oscillatory frequency signal;

dividing the positive oscillatory frequency signal into a plurality of non-overlapping positive operating frequencies and dividing the negative oscillatory frequency signal into a plurality of non-overlapping negative operating frequencies; and

feeding each of said non-overlapping positive operating frequency and said non-overlapping negative operating frequency to an output terminal of transistor to produce a pulse signal, wherein a frequency of the pulse signal is closer to a microwave frequency.

16. The method of claim 15, wherein the pulse signal has a frequency in the range 500 KHz˜

10,000 Mega Hz.

17. The method of claim 15 wherein the positive oscillatory pulse signal and the negative pulse signal alternate with each other.

18. The method of claim 17, wherein the pulse signal has a frequency in the range 500 KHz˜

10,000 Mega Hz.

19. The method of claim 15, wherein the predetermined period of delay after the termination of the pulse signal is between half an input waveform to a full input waveform.

20. The method of claim 19, wherein the pulse signal has a frequency in the range 500 KHz˜

10,000 Mega Hz.

21. The method of claim 15, wherein the pulse signal and the reverse phase pulse signal alternate with each other.

22. The method of claim 21, wherein the pulse signal has a frequency in the range 500 KHz˜

10,000 Mega Hz.

23. A method for reconditioning and charging a battery comprising an oscillator for outputting a frequency signal, a frequency divider for dividing a input frequency signal into a plurality of non-overlapping operating frequency signals, a first transistor, wherein the load terminal of the first transistor is electrically connected to one terminal of an inductor while the other terminal of the inductor is electrically connected to the positive terminal of the lead-acid battery, the ground terminal of the first transistor is electrically connected to the negative terminal of the lead-acid battery, and the control terminal of the first transistor is electrically connected to one of the operating frequency output terminals of the frequency divider, a second transistor, wherein the load terminal of the first transistor is electrically connected to one terminal of a resistor while the other terminal of the resistor is electrically connected to the positive terminal of the lead-acid battery, the ground terminal of the second transistor is electrically connected to the negative terminal of the lead-acid battery, and the control terminal of the second transistor is electrically connected to one of the operating frequency output terminals of the frequency divider, comprising the steps of:

providing a pulse signal; and

providing a reverse phase pulse signal at a predetermined period after the termination of the pulse signal.

24. The method of claim 23, wherein the pulse signal has a frequency in the range 500 KHz˜

10,000 Mega Hz.

25. The method of claim 23, wherein the pulse signal and the reverse phase pulse signal alternate with each other.

26. The method of claim 25, wherein the pulse signal has a frequency in the range 500 KHz˜

10,000 Mega Hz.

27. The method of claim 23, wherein the predetermined period of delay after the termination of the pulse signal is between half an input waveform to a full input waveform.

28. The method of claim 27, wherein the pulse signal has a frequency in the range 500 KHz˜

10,000 Mega Hz.