WO2013125800A1 - Vehicle starting device - Google Patents

Vehicle starting device Download PDF

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Publication number
WO2013125800A1
WO2013125800A1 PCT/KR2013/000790 KR2013000790W WO2013125800A1 WO 2013125800 A1 WO2013125800 A1 WO 2013125800A1 KR 2013000790 W KR2013000790 W KR 2013000790W WO 2013125800 A1 WO2013125800 A1 WO 2013125800A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
starting
battery
engine
spark plug
Prior art date
Application number
PCT/KR2013/000790
Other languages
French (fr)
Inventor
Geun Hoe Huh
Original Assignee
Sk Innovation Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sk Innovation Co., Ltd. filed Critical Sk Innovation Co., Ltd.
Publication of WO2013125800A1 publication Critical patent/WO2013125800A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0862—Circuits or control means specially adapted for starting of engines characterised by the electrical power supply means, e.g. battery
    • F02N11/0866—Circuits or control means specially adapted for starting of engines characterised by the electrical power supply means, e.g. battery comprising several power sources, e.g. battery and capacitor or two batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/04—Arrangement of batteries
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2250/00—Problems related to engine starting or engine's starting apparatus
    • F02N2250/02—Battery voltage drop at start, e.g. drops causing ECU reset

Definitions

  • the present invention relates to a vehicle starting device, and more particularly, to a device capable of starting a vehicle even though a vehicle battery is discharged by including a starting battery.
  • AUX battery vehicle battery
  • This battery serves to supply electric power to all electrical devices of the vehicle and supply electric power to a start motor and a spark plug at the time of starting the vehicle.
  • the start motor and the spark plug serve to receive the electric power supplied from the vehicle battery at the time of starting the vehicle to start the vehicle. Since a large amount of electric power is required at the time of starting the vehicle, a voltage of the vehicle battery instantaneously drops rapidly. For example, at the time of starting a vehicle that currently has a vehicle voltage of 12V, the vehicle voltage drops to about 6 to 7V.
  • Korean Patent No. 10-0405535 (entitled “independent starting device of vehicle”, hereinafter, referred to as Related Art 1) relates to an independent starting device of a vehicle.
  • the independent starting device includes a dedicated battery capable of supplying electric power to a start motor.
  • This dedicated battery may be charged with a current induced by an action between a permanent magnet mounted at a drive shaft of an engine and a coil installed to be close to the permanent magnet, through a rectifier, a current sensing sensor is installed between the coil and the rectifier, and an intermediate switch is installed between the dedicated battery and a starting switch of the start motor, such that an electronic control unit that judges that the engine is operating when the current flows in the coil turns off the intermediate switch.
  • Patent Document Korean Patent No. 10-0405535.
  • An object of the present invention is to provide a vehicle starting device capable of starting a vehicle regardless of whether or not a vehicle battery is consumed by including an additionally configured starting battery.
  • a vehicle starting device includes: an engine providing power to a vehicle; a generator generating electricity using the power of the engine; a start motor rotating the engine at the time of starting the vehicle; a spark plug sparking the engine at the time of starting the vehicle; a starting switch connecting a power supply to the start motor and the spark plug; a starting battery operating the start motor and the spark plug and charged with electric power generated by the generator; and a vehicle battery supplying the electric power to all vehicle electrical devices except for the spark plug and electrically connected to the generator to thereby be charged with the electric power generated by the generator.
  • the starting battery may be any one of a lead storage battery, a nickel-cadmium (NiCd) battery, a nickel-hydrogen (MiMH) battery, a lithium secondary battery, and the next generation battery.
  • a method of operating the vehicle starting device includes: (a) turning on the starting switch; (b) supplying the electric power of the starting battery to the start motor and the spark plug; (c) rotating a crank shaft of the engine by startup of the start motor; (d) injecting fuel into the engine by the rotation of the crank shaft; (e) sparking, by the spark plug, the fuel injected by the rotation of the crank shaft; and (f) exploding the fuel in the engine.
  • a circuit capable of compensating for a voltage drop phenomenon generated at the time of starting the vehicle or an algorithm capable of controlling a malfunction due to the voltage drop has been added.
  • the starting battery is added, such that a voltage drop is not generated at the time of starting the vehicle, thereby making it possible to omit an additional circuit and algorithm of the electrical devices in the vehicle. As a result, a manufacturing cost of the vehicle may be decreased.
  • FIG. 1 is a conceptual diagram of a vehicle starting device according to an exemplary embodiment of the present invention.
  • FIG. 2 is a flow chart showing a method of operating a vehicle starting device according to an exemplary embodiment of the present invention.
  • Vehicle battery 800 Vehicle electrical device
  • FIG. 1 is a conceptual diagram of a vehicle starting device according to an exemplary embodiment of the present invention
  • FIG. 2 is a flow chart showing a method of operating a vehicle starting device according to an exemplary embodiment of the present invention.
  • the vehicle starting device may be configured to include an engine 100, a generator 200, a start motor 300, a spark plug 400, a starting switch 500, a vehicle battery 700, and a starting battery 600.
  • the engine 100 provides the entire power required in a vehicle.
  • the generator 200 generates electricity using the power of the engine 100 and produces electric power to be supplied to all electrical apparatuses operated using the electricity.
  • the vehicle is driven by driving the engine 100 using fossil fuel such as gasoline, diesel, liquefied petroleum gas (LPG), or the like.
  • LPG liquefied petroleum gas
  • it necessarily requires the start motor 300 and electricity of a battery serving as a power supply of the start motor 300 in order to start the engine.
  • the battery serves as a power supply of an electric device, the battery is charged only with a predetermined amount of electricity to store the predetermined amount of electricity therein, and it is difficult for the battery to supply electricity for a large number of electrical devices required by the vehicle.
  • the electricity required by the vehicle is supplied by the generator 200 while driving the vehicle.
  • the generator also serves to charge the battery with the electricity.
  • the generator 200 is driven by the engine and serves to convert kinetic energy due to rotation of the engine into electric energy.
  • a large number of electrical devices for example, a head lamp, a radio, an air conditioner, a motor, a heating wire, a wiper, and the like, may be operated by the electricity produced by the generator 200.
  • crank shaft of the engine 100 should be rotated and exploded at the initial state.
  • the start motor 300 rotates the crank shaft of the engine 100 at the time of starting the vehicle.
  • the spark plug 400 is positioned at an upper portion of a cylinder chamber of the engine and sparks the engine at the time of starting the vehicle.
  • the starting switch 500 connects the power supply to the start motor 300 and the spark plug 400.
  • a pinion gear of the start motor 300 is engaged with a ring gear of a fly wheel to rotate the crank shaft.
  • a crank angle sensor senses whether or not the crank shaft is rotated to initiate fuel injection and spark, such that the engine 100 is rotated in itself.
  • the ring gear and the pinion gear are separated from each other by a magnetic switch of the start motor.
  • the ring gear serves to receive power from the pinion gear to rotate the crank shaft and is mounted at the fly wheel.
  • the vehicle battery 700 supplies electric power to all vehicle electrical devices except for the start motor 300 and the spark plug 400 and is electrically connected to the generator 200 to thereby be charged with the electric power generated by the generator 200.
  • the starting battery 600 operates the spark plug at the time of starting the vehicle and is charged with the electric power generated by the generator 200.
  • the starting battery 600 is used only to operate the start motor 300 and the spark plug 400 at the time of starting the vehicle.
  • the start motor and the spark plug according to the related art serve to receive the electric power supplied from the vehicle battery at the time of starting the vehicle to start the vehicle. Since a large amount of electric power is required at the time of starting the vehicle, a voltage of the vehicle battery instantaneously drops rapidly. For example, at the time of starting a vehicle that currently has a vehicle voltage of 12V, the vehicle voltage drops to about 6 to 7V. Therefore, in all electrical devices of the vehicle according to the related art, a circuit capable of compensating for a voltage drop phenomenon generated at the time of starting the vehicle or an algorithm capable of controlling a malfunction due to the voltage drop has been added.
  • the starting battery is added, such that a voltage drop is not generated at the time of starting the vehicle, thereby making it possible to omit an additional circuit and algorithm of the electrical devices in the vehicle. As a result, the entire manufacturing cost of the vehicle may be decreased.
  • the starting battery 600 may be any one of a lead storage battery, a nickel-cadmium (NiCd) battery, a nickel-hydrogen (MiMH) battery, a lithium secondary battery, and the next generation battery.
  • the starting switch 500 when the starting switch 500 is turned on to a start position, electric power of the starting battery 600 is supplied to the start motor 300 and the spark plug 400.
  • the crank shaft of the engine is rotated by startup of the start motor 300, fuel is injected into the engine 100 by the rotation of the crank shaft.
  • the spark plug 400 sparks the fuel injected by the rotation of the crank shaft to start the vehicle while exploding the fuel in the engine 100.
  • the vehicle starting device includes an additionally configured starting battery 600 to be used only for starting the vehicle, thereby making it possible to solve a problem that the vehicle does not start, which occurs because electric power enough to start the vehicle is not supplied to the start motor 300 and the spark plug 400 in the case in which capacity of the vehicle battery 700 is significantly decreased due to aging of the vehicle battery, turn-on of a tail light after stopping the vehicle, or the like. In other words, it is possible to smoothly start the vehicle using the starting battery 600 regardless of whether or not the electric power stored in the vehicle battery 700 is decreased.
  • the present invention is not limited to the above-mentioned exemplary embodiments, and may be variously applied, and may be variously modified without departing from the gist of the present invention claimed in the claims.

Abstract

Provided is a vehicle starting device including: an engine providing power to a vehicle; a generator generating electricity using the power of the engine; a spark plug sparking the engine at the time of starting the vehicle; a battery supplying electric power to all vehicle electrical devices and electrically connected to the generator to thereby be charged with electric power generated by the generator; and a starting battery operating the spark plug and charged with the electric power generated by the generator, in order to smoothly start the vehicle.

Description

VEHICLE STARTING DEVICE
The present invention relates to a vehicle starting device, and more particularly, to a device capable of starting a vehicle even though a vehicle battery is discharged by including a starting battery.
Currently, all vehicles have been mounted with one vehicle battery (AUX battery), respectively. This battery serves to supply electric power to all electrical devices of the vehicle and supply electric power to a start motor and a spark plug at the time of starting the vehicle. The start motor and the spark plug serve to receive the electric power supplied from the vehicle battery at the time of starting the vehicle to start the vehicle. Since a large amount of electric power is required at the time of starting the vehicle, a voltage of the vehicle battery instantaneously drops rapidly. For example, at the time of starting a vehicle that currently has a vehicle voltage of 12V, the vehicle voltage drops to about 6 to 7V. Therefore, currently, in all electrical devices of the vehicle, a circuit capable of compensating for a voltage drop phenomenon generated at the time of starting the vehicle or an algorithm capable of controlling a malfunction due to the voltage drop has been added. In addition, in the case in which electric power stored in the vehicle battery is significantly decreased due to aging of the vehicle battery, lighting of a taillight after stopping the vehicle, or the like, electric power enough to start the vehicle is not supplied to the spark plug, a problem that the vehicle does not start occurs.
Korean Patent No. 10-0405535 (entitled "independent starting device of vehicle", hereinafter, referred to as Related Art 1) relates to an independent starting device of a vehicle. The independent starting device includes a dedicated battery capable of supplying electric power to a start motor. This dedicated battery may be charged with a current induced by an action between a permanent magnet mounted at a drive shaft of an engine and a coil installed to be close to the permanent magnet, through a rectifier, a current sensing sensor is installed between the coil and the rectifier, and an intermediate switch is installed between the dedicated battery and a starting switch of the start motor, such that an electronic control unit that judges that the engine is operating when the current flows in the coil turns off the intermediate switch. Therefore, a method capable of stably supplying the electric power to the start motor regardless of the discharge of the main battery even though a main battery supplying electric power to other electrical components is discharged and preventing damage of the start motor by allowing the start motor not to be operated when the engine is operating has been disclosed.
As described above, according to the related art, various starting devices have been disclosed. However, there is a risk that a manufacturing cost will be increased due to addition of a complicated circuit configuration and device, and a vehicle will not start due to a defect of the added device.
[Related Art Document]
[Patent Document] Korean Patent No. 10-0405535.
An object of the present invention is to provide a vehicle starting device capable of starting a vehicle regardless of whether or not a vehicle battery is consumed by including an additionally configured starting battery.
In one general aspect, a vehicle starting device includes: an engine providing power to a vehicle; a generator generating electricity using the power of the engine; a start motor rotating the engine at the time of starting the vehicle; a spark plug sparking the engine at the time of starting the vehicle; a starting switch connecting a power supply to the start motor and the spark plug; a starting battery operating the start motor and the spark plug and charged with electric power generated by the generator; and a vehicle battery supplying the electric power to all vehicle electrical devices except for the spark plug and electrically connected to the generator to thereby be charged with the electric power generated by the generator.
The starting battery may be any one of a lead storage battery, a nickel-cadmium (NiCd) battery, a nickel-hydrogen (MiMH) battery, a lithium secondary battery, and the next generation battery.
In another general aspect, a method of operating the vehicle starting device includes: (a) turning on the starting switch; (b) supplying the electric power of the starting battery to the start motor and the spark plug; (c) rotating a crank shaft of the engine by startup of the start motor; (d) injecting fuel into the engine by the rotation of the crank shaft; (e) sparking, by the spark plug, the fuel injected by the rotation of the crank shaft; and (f) exploding the fuel in the engine.
According to the exemplary embodiment of the present invention, it is possible to more smoothly start the vehicle regardless of whether or not the electric power stored in the battery is decreased.
In addition, in all electrical devices of the vehicle, a circuit capable of compensating for a voltage drop phenomenon generated at the time of starting the vehicle or an algorithm capable of controlling a malfunction due to the voltage drop has been added. However, the starting battery is added, such that a voltage drop is not generated at the time of starting the vehicle, thereby making it possible to omit an additional circuit and algorithm of the electrical devices in the vehicle. As a result, a manufacturing cost of the vehicle may be decreased.
The above and other objects, features and advantages of the present invention will become apparent from the following description of preferred embodiments given in conjunction with the accompanying drawings, in which:
FIG. 1 is a conceptual diagram of a vehicle starting device according to an exemplary embodiment of the present invention.
FIG. 2 is a flow chart showing a method of operating a vehicle starting device according to an exemplary embodiment of the present invention.
[Detailed Description of Main Element]
100: Engine 200: Generator
300: Start motor 400: Spark plug
500: Starting switch 600: Starting battery
700: Vehicle battery 800: Vehicle electrical device
Hereinafter, a vehicle starting device according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a conceptual diagram of a vehicle starting device according to an exemplary embodiment of the present invention; and FIG. 2 is a flow chart showing a method of operating a vehicle starting device according to an exemplary embodiment of the present invention.
As shown in FIG. 1, the vehicle starting device according to the exemplary embodiment of the present invention may be configured to include an engine 100, a generator 200, a start motor 300, a spark plug 400, a starting switch 500, a vehicle battery 700, and a starting battery 600.
The engine 100 provides the entire power required in a vehicle.
The generator 200 generates electricity using the power of the engine 100 and produces electric power to be supplied to all electrical apparatuses operated using the electricity. The vehicle is driven by driving the engine 100 using fossil fuel such as gasoline, diesel, liquefied petroleum gas (LPG), or the like. However, it necessarily requires the start motor 300 and electricity of a battery serving as a power supply of the start motor 300 in order to start the engine. Although it seems that the battery serves as a power supply of an electric device, the battery is charged only with a predetermined amount of electricity to store the predetermined amount of electricity therein, and it is difficult for the battery to supply electricity for a large number of electrical devices required by the vehicle. The electricity required by the vehicle is supplied by the generator 200 while driving the vehicle. The generator also serves to charge the battery with the electricity. The generator 200 is driven by the engine and serves to convert kinetic energy due to rotation of the engine into electric energy. A large number of electrical devices, for example, a head lamp, a radio, an air conditioner, a motor, a heating wire, a wiper, and the like, may be operated by the electricity produced by the generator 200.
Since the engine 100 of the vehicle 100 does not have self-starting capability, a crank shaft of the engine 100 should be rotated and exploded at the initial state. The start motor 300 rotates the crank shaft of the engine 100 at the time of starting the vehicle.
The spark plug 400 is positioned at an upper portion of a cylinder chamber of the engine and sparks the engine at the time of starting the vehicle.
The starting switch 500 connects the power supply to the start motor 300 and the spark plug 400. When the starting switch 500 is turned to a start position, a pinion gear of the start motor 300 is engaged with a ring gear of a fly wheel to rotate the crank shaft. When the crank shaft is rotated, a crank angle sensor (CAS) senses whether or not the crank shaft is rotated to initiate fuel injection and spark, such that the engine 100 is rotated in itself. After the engine 100 is rotated, the ring gear and the pinion gear are separated from each other by a magnetic switch of the start motor.
The ring gear serves to receive power from the pinion gear to rotate the crank shaft and is mounted at the fly wheel.
The vehicle battery 700 supplies electric power to all vehicle electrical devices except for the start motor 300 and the spark plug 400 and is electrically connected to the generator 200 to thereby be charged with the electric power generated by the generator 200.
The starting battery 600 operates the spark plug at the time of starting the vehicle and is charged with the electric power generated by the generator 200.
The starting battery 600 is used only to operate the start motor 300 and the spark plug 400 at the time of starting the vehicle. The start motor and the spark plug according to the related art serve to receive the electric power supplied from the vehicle battery at the time of starting the vehicle to start the vehicle. Since a large amount of electric power is required at the time of starting the vehicle, a voltage of the vehicle battery instantaneously drops rapidly. For example, at the time of starting a vehicle that currently has a vehicle voltage of 12V, the vehicle voltage drops to about 6 to 7V. Therefore, in all electrical devices of the vehicle according to the related art, a circuit capable of compensating for a voltage drop phenomenon generated at the time of starting the vehicle or an algorithm capable of controlling a malfunction due to the voltage drop has been added. However, in the present invention, the starting battery is added, such that a voltage drop is not generated at the time of starting the vehicle, thereby making it possible to omit an additional circuit and algorithm of the electrical devices in the vehicle. As a result, the entire manufacturing cost of the vehicle may be decreased.
The starting battery 600 may be any one of a lead storage battery, a nickel-cadmium (NiCd) battery, a nickel-hydrogen (MiMH) battery, a lithium secondary battery, and the next generation battery.
As shown in FIG. 2, in the method of operating a vehicle starting device according to the exemplary embodiment of the present invention, when the starting switch 500 is turned on to a start position, electric power of the starting battery 600 is supplied to the start motor 300 and the spark plug 400. When the crank shaft of the engine is rotated by startup of the start motor 300, fuel is injected into the engine 100 by the rotation of the crank shaft. The spark plug 400 sparks the fuel injected by the rotation of the crank shaft to start the vehicle while exploding the fuel in the engine 100.
The vehicle starting device according to the exemplary embodiment of the present invention includes an additionally configured starting battery 600 to be used only for starting the vehicle, thereby making it possible to solve a problem that the vehicle does not start, which occurs because electric power enough to start the vehicle is not supplied to the start motor 300 and the spark plug 400 in the case in which capacity of the vehicle battery 700 is significantly decreased due to aging of the vehicle battery, turn-on of a tail light after stopping the vehicle, or the like. In other words, it is possible to smoothly start the vehicle using the starting battery 600 regardless of whether or not the electric power stored in the vehicle battery 700 is decreased.
The present invention is not limited to the above-mentioned exemplary embodiments, and may be variously applied, and may be variously modified without departing from the gist of the present invention claimed in the claims.

Claims (3)

  1. A vehicle starting device comprising:
    an engine providing power to a vehicle;
    a generator generating electricity using the power of the engine;
    a start motor rotating the engine at the time of starting the vehicle;
    a spark plug sparking the engine at the time of starting the vehicle;
    a starting switch connecting a power supply to the start motor and the spark plug;
    a starting battery operating the start motor and the spark plug and charged with electric power generated by the generator; and
    a vehicle battery supplying the electric power to all vehicle electrical devices except for the spark plug and electrically connected to the generator to thereby be charged with the electric power generated by the generator.
  2. The vehicle starting device of claim 1, wherein the starting battery is any one of a lead storage battery, a nickel-cadmium (NiCd) battery, a nickel-hydrogen (MiMH) battery, a lithium secondary battery, and the next generation battery.
  3. A method of operating the vehicle starting device of claim 1, comprising:
    (a) turning on the starting switch;
    (b) supplying the electric power of the starting battery to the start motor and the spark plug;
    (c) rotating a crank shaft of the engine by startup of the start motor;
    (d) injecting fuel into the engine by the rotation of the crank shaft;
    (e) sparking, by the spark plug, the fuel injected by the rotation of the crank shaft; and
    (f) exploding the fuel in the engine.
PCT/KR2013/000790 2012-02-23 2013-01-31 Vehicle starting device WO2013125800A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020120018220A KR20130096782A (en) 2012-02-23 2012-02-23 Vehicle starting device
KR10-2012-0018220 2012-02-23

Publications (1)

Publication Number Publication Date
WO2013125800A1 true WO2013125800A1 (en) 2013-08-29

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102131706B1 (en) * 2020-04-03 2020-07-08 김성규 Device for saving fuel using automobile inertia

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970041659U (en) * 1995-12-27 1997-07-29 Vehicle power supply with starter battery
US5977652A (en) * 1996-07-15 1999-11-02 Robert Bosch GmbH Device for supplying voltage in a motor vehicle including two batteries and having improved reliability
US6229279B1 (en) * 1998-09-17 2001-05-08 Volkswagen Ag Dual battery system
US6731021B1 (en) * 1999-11-23 2004-05-04 Volkswagen Ag Two-battery system
US20110031046A1 (en) * 2008-04-21 2011-02-10 International Truck Intellectual Property Company, Multiple battery system of a motor vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970041659U (en) * 1995-12-27 1997-07-29 Vehicle power supply with starter battery
US5977652A (en) * 1996-07-15 1999-11-02 Robert Bosch GmbH Device for supplying voltage in a motor vehicle including two batteries and having improved reliability
US6229279B1 (en) * 1998-09-17 2001-05-08 Volkswagen Ag Dual battery system
US6731021B1 (en) * 1999-11-23 2004-05-04 Volkswagen Ag Two-battery system
US20110031046A1 (en) * 2008-04-21 2011-02-10 International Truck Intellectual Property Company, Multiple battery system of a motor vehicle

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