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.

Date of Patent:
Oct. 15, 2019

Filed:

Mar. 30, 2015
Applicant:

Rototest International Ab, Rönninge, SE;

Inventors:

Christian Engström, Tyresö, SE;

Nils G. Engström, Rönninge, SE;

Jonny Färnlund, Skärholmen, SE;

Assignee:

Rototest International AB, Rönninge, SE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01M 17/007 (2006.01); G01M 13/025 (2019.01); G01L 3/16 (2006.01);
U.S. Cl.
CPC ...
G01M 17/007 (2013.01); G01L 3/16 (2013.01); G01M 13/025 (2013.01);
Abstract

The present invention relates to a method for use in dynamometer testing of a vehicle powertrain component or a vehicle (), a dynamometer power source () of a vehicle dynamometer system being connected to an output shaft of a vehicle powertrain component or a vehicle wheel shaft, said dynamometer system being arranged to measure a reaction load and said method including, when testing: determining a first measure of a first reaction load of said first dynamometer power source, determining an influence of moment of inertia on said first measure of said first reaction load, and compensating said first measure of said first reaction load by said determined influence of moment of inertia.


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