Engine speed indicator for a vehicle
First Claim
1. An engine speed indicator for a vehicle combustion engine, the indicator comprising:
- a first indicator in communication with the engine and arranged to show an actual number of revolutions of the engine, and a second indicator operative to show at which number of revolutions or within which range of number of revolutions a minimal emission of at least one emission gas is obtained from a vehicle during operation of the combustion engine thereof.
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Accused Products
Abstract
The present invention relates to an engine speed indicator for a vehicle, which is driven by a combustion engine. The engine speed indicator comprises a first indicator arranged to show the actual member of revolutions of the engine and second indicator arranged to show at which number of revolutions or within which range of number of revolutions a minimal emission of at least one emission gas is obtained from the vehicle during operation of the combustion engine. The engine speed indicator also comprises a third indicator which is arranged to show an emission level of the emission gas at the actual value of the number of revolutions. A driver can hereby drive the vehicle in such a manner that the emissions of emission gases are substantially minimal.
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Citations
12 Claims
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1. An engine speed indicator for a vehicle combustion engine, the indicator comprising:
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a first indicator in communication with the engine and arranged to show an actual number of revolutions of the engine, and a second indicator operative to show at which number of revolutions or within which range of number of revolutions a minimal emission of at least one emission gas is obtained from a vehicle during operation of the combustion engine thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification