INDICATOR FOR A HYBRID ELECTRIC VEHICLE
First Claim
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1. An indicator for a vehicle having an engine and an electric motor, the indicator comprising:
- a tachometer gauge for displaying engine revolution speed; and
an electric only indicator for displaying whether the vehicle is operating in an electric only mode.
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Abstract
An indicator for use with an electric vehicle having an engine and an electric traction motor. The indicator includes a tachometer gauge for displaying engine revolution speed. The indicator further includes an electric only indicator for displaying whether the vehicle is operating in an electric only mode.
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Citations
20 Claims
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1. An indicator for a vehicle having an engine and an electric motor, the indicator comprising:
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a tachometer gauge for displaying engine revolution speed; and
an electric only indicator for displaying whether the vehicle is operating in an electric only mode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for indicating electric only mode operation of a hybrid electric vehicle having an internal combustion engine and an electric motor, the method comprising:
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determining an engine speed;
displaying the engine speed in revolutions per minute (RPM) on a tachometer gauge; and
displaying in a display an electric only mode if the RPM drops below a predefined threshold. - View Dependent Claims (15, 16, 17, 18)
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19. An instrument cluster for a hybrid vehicle having an internal combustion engine and an electric traction motor, the cluster comprising:
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a tachometer gauge having a needle pointer for displaying a revolutions per minute (RPM) of the engine; and
an electric only indicator positioned below a zero increment of the tachometer gauge and reachable by the needle pointer for displaying an electric only mode. - View Dependent Claims (20)
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Specification