IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
UP-0654179
(2007-01-17)
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등록번호 |
US-7681676
(2010-04-21)
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발명자
/ 주소 |
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인용정보 |
피인용 횟수 :
24 인용 특허 :
6 |
초록
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An assembly is described for converting an Internal Combustion (IC) vehicle to an IC-electric hybrid vehicle comprising a battery, a battery charger, a controller, an electric motor and a power transmission means involving a flexible rotational speed reduction to connect the motor to a drive shaft o
An assembly is described for converting an Internal Combustion (IC) vehicle to an IC-electric hybrid vehicle comprising a battery, a battery charger, a controller, an electric motor and a power transmission means involving a flexible rotational speed reduction to connect the motor to a drive shaft of the vehicle. The system can be made available in the form of a kit allowing those skilled in automobile mechanics to perform the conversion. Regenerative braking and provision of AC power from the vehicle can be made available as options.
대표청구항
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I claim: 1. A method for converting an existing internal combustion vehicle to an internal combustion-electric hybrid comprising the steps of: providing an electric storage battery comprising a plurality of rechargeable cells in series adjacent connections, each cell having a positive and a negativ
I claim: 1. A method for converting an existing internal combustion vehicle to an internal combustion-electric hybrid comprising the steps of: providing an electric storage battery comprising a plurality of rechargeable cells in series adjacent connections, each cell having a positive and a negative terminal; connecting a charger to the battery to recharge it using alternating current electric power derived from an alternating current receptacle or an inductive connection; providing a controller receiving direct current electric power from the battery and an accelerator signal from the driver along with signal input devices and instruments which provide controllable electric power to an electric motor; and mechanically connecting an electric motor directly to a universal joint of a drive shaft of the vehicle by a power transmission subsystem at a point of minimum motion of the drive shaft relative to the frame of the vehicle; said power transmission subsystem comprising a flexible speed reduction drive such that the electric motor can provide some or all of the mechanical power required to propel the vehicle while accepting some relative motion between the existing vehicle drive train and the electric motor. 2. The method of claim 1, in which the battery is selected from the group consisting of: flooded lead-acid, gel cell lead-acid, absorbed glass mat lead-acid, nickel-cadmium, nickel-metal hydride, sodium-nickel chloride, sodium-sulfur, lithium- ion, and lithium-polymer batteries. 3. The method of claim 1 in which the charger is selected from the group consisting of: transformer-rectifier, silicon controlled rectifier, and electronically controlled switching circuit; and in which the charger is selected to match the specific requirements of the battery being used. 4. The method of claim 1 in which the charger can provide two-way flow of power by converting AC power from a receptacle to DC power to recharge the battery, or by converting DC power from the battery to AC power to the receptacle in response to an external demand. 5. The method of claim 1 in which the controller is chosen from the group consisting of: pulse width modulation controller, on/off switch, step switch, series/parallel switch, rheostat, and field weakening rheostat; and in which the controller is chosen to match the requirements of the DC motor. 6. The method of claim 1 in which the motor is a DC motor chosen from the group consisting of: series wound, shunt wound, compound wound, permanent magnet, and brushless DC motors. 7. The method of claim 1 in which the controller is an inverter providing variable frequency AC power from the battery DC power to control the speed of an AC motor, and in which the AC motor is chosen from the group consisting of: induction (squirrel cage), synchronous AC, and switched reluctance AC motors. 8. The method of claim 1 in which the speed reduction means is chosen from the group consisting of: timing belt, roller chain and timing chain. 9. The method of claim 1, further comprising the step of connecting the speed reduction means to the drive shaft via a clutch means which is chosen from the group consisting of: roller ramp clutch, cam clutch, ball clutch, electrically operated clutch, hydraulically operated clutch, and mechanically operated clutch. 10. The method of claim 1, further comprising the step of applying the speed reduction drive to one of the drive shafts of a four-wheel drive vehicle, allowing the electric motor to provide power to the gear train to drive the front and rear wheels of the vehicle in conjunction with the IC engine or by electric energy alone. 11. The method of claim 1, further comprising the step of installing a regenerative braking module to recover energy from the moving vehicle and to allow the IC engine to recharge the battery. 12. The method of claim 1, further comprising the step of installing an AC inverter to allow the provision of AC power from the vehicle battery through a conventional electrical receptacle or receptacles in response to an external demand.
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