The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 03, 2005
Filed:
May. 16, 2002
Tony Sandberg, Strangnas, SE;
Roger Hälleberg, Nacka, SE;
Tony Sandberg, Strangnas, SE;
Roger Hälleberg, Nacka, SE;
Scania CV AB (publ), , SE;
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.