초록 ▼

A battery charging system is provided for an excellent engine starting. The battery charging system includes a generator control unit for controlling output voltage of the generator and a commanding unit for providing a command pulse signal. The generator control unit includes a command pulse signal

A battery charging system is provided for an excellent engine starting. The battery charging system includes a generator control unit for controlling output voltage of the generator and a commanding unit for providing a command pulse signal. The generator control unit includes a command pulse signal's duty-ratio detecting circuit, a generator output power limiting circuit, a voltage regulator and an activation circuit for activating the output power limiting circuit when the duty-ratio falls within a predetermined ratio range.

대표청구항 ▼

A battery charging system is provided for an excellent engine starting. The battery charging system includes a generator control unit for controlling output voltage of the generator and a commanding unit for providing a command pulse signal. The generator control unit includes a command pulse signal

A battery charging system is provided for an excellent engine starting. The battery charging system includes a generator control unit for controlling output voltage of the generator and a commanding unit for providing a command pulse signal. The generator control unit includes a command pulse signal's duty-ratio detecting circuit, a generator output power limiting circuit, a voltage regulator and an activation circuit for activating the output power limiting circuit when the duty-ratio falls within a predetermined ratio range. r in diameter than the acoustic tube and joined at a base end thereof to the tubular wall of the acoustic tube, and a closed cavity joined at one end of the throat and having a suitable volume. 11. A pressure wave generator according to claim 9 wherein an intake pipe and a discharge pipe are connected to the acoustic tube, and a gas taken in through the intake pipe is discharged from the discharge pipe. 12. A pressure wave generator according to claim 9 wherein a regenerator is disposed inside the acoustic tube, and a channel of the acoustic tube is provided therearound with a high-temperature heat exchanger and a low-temperature heat exchanger connected respectively to a high-temperature end of the regenerator and a low-temperature end thereof to execute radiation and absorption of heat and cooling through the two heat exchangers. 13. A pressure wave generator according to claim 12 wherein the acoustic tube is in the form of a loop, and the driving device is connected to the acoustic tube. 14. A pressure wave generator according to claim 9, wherein at least one of the resonators comprises a respective cavity connected to the interior of the acoustic tube by the channel. 15. A pressure wave generator according to claim 9, wherein the channel extends generally radially outward from the periphery of the tubular wall of the acoustic tube. 16. A pressure wave generator according to claim 9, wherein the channel comprises a throat having a throat diameter narrower than a diameter of the acoustic tube. 17. A pressure wave generator according to claim 9, wherein at least one of the resonators comprises a closed side branch. lity of second cell groups, said respective first cell groups being connected in parallel with said respective second cell groups, respectively, through intermediate terminals inserted for corresponding groups of said respective first cell groups and said respective second cell groups. 7. A motor vehicle according to claim 1, wherein each of said parallel circuits is formed to connect in parallel a plurality of said second cell groups connected in series and said first cell group. 8. A motor vehicle according to claim 1, wherein said first cell group and second cell group share at least one component element. 9. A motor vehicle according to claim 8, wherein said shared component element is the electrolytic solution. 10. A motor vehicle according to claim 8, wherein at least selected one of said first cell group and second cell group has an electrode formed of selected carbon fiber and carbon nanotube.