Vehicle electrical assist apparatus and kit for same
First Claim
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1. Apparatus for installation in new motor vehicles or for retrofitting into an existing motor vehicle, comprising:
- an electric motor coupled to a drive shaft or drive axle of the vehicle;
a controller for the motor;
a first belt or a first drive chain for coupling said motor to one of said drive shaft or drive axle of the vehicle; and
a sensor for determining rotational speed of said motor operatively connected to said motor, wherein said controller comprises means for disengaging power to said motor in response to an output of said sensor indicating said motor is rotating at greater than a predetermined speed.
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Abstract
Apparatus for installation in new motor vehicles or for retrofitting into existing motor vehicles, including an electric motor coupled to a drive shaft and a controller for the motor. The existing vehicle battery and/or an auxiliary storage battery can be used to power the motor to drive the vehicle during certain driving conditions, resulting in greatly increased fuel economy, without interfering with the normal performance of the vehicle. A kit of parts may be provided for simple and economical installation on existing vehicles. A motor vehicle so equipped.
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Citations
19 Claims
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1. Apparatus for installation in new motor vehicles or for retrofitting into an existing motor vehicle, comprising:
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an electric motor coupled to a drive shaft or drive axle of the vehicle; a controller for the motor; a first belt or a first drive chain for coupling said motor to one of said drive shaft or drive axle of the vehicle; and a sensor for determining rotational speed of said motor operatively connected to said motor, wherein said controller comprises means for disengaging power to said motor in response to an output of said sensor indicating said motor is rotating at greater than a predetermined speed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 11, 15, 17)
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8. Apparatus for retrofitting into an existing motor vehicle, comprising:
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an electric motor coupled to a drive shaft or drive axle of the vehicle; a controller for the motor; and a sensor for determining rotational speed of said motor operatively connected to said motor, wherein said controller comprises means for disengaging power to said motor in response to an output of said sensor indicating said motor is rotating at greater than a predetermined speed. - View Dependent Claims (9, 10, 12, 13, 14, 16, 18)
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19. Apparatus for installation in new motor vehicles or for retrofitting into an existing motor vehicle, comprising:
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an electric motor coupled to a drive shaft or drive axle of the vehicle; a controller for the motor; a first belt or a first drive chain for coupling said motor to one of said drive shaft or drive axle of the vehicle; an additional belt or drive chain coupled to the drive shaft or drive axle and extending in a direction opposite to that of said first belt or first drive chain; and an idler gear for engaging said additional belt or drive chain.
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Specification