Volvo Lastvagnar Ab

Volvo Trucks North America, Inc.

Bo Hammerlid

Jon Michael Quigley

Johan Larsson

Gregory J Prinzo

Daniel Johansson

Method for collecting data from a motor-driven vehicle that is provided with a microprocessor having memory for storing a particular quantity of data. The data is provided by a number of sensors connected to the vehicle and its motor and is recorded and compiled into a specific data file upon each recording occasion when it its ascertained that conditions are fulfilled for recording a data file. This is recorded as a non-erasable reference data file. Upon subsequent occasions when the conditions are fulfilled, a number of successively erasable data files are successively recorded and stored within the predetermined quantity of data.

Method for collecting data from a motor-driven vehicle

System and methods provide information to an operator of an engine such that the engine operates with optimal performance, such as maximal fuel efficiency. Such a system may include a plurality of sensors adapted to measure operating parameters of the engine; an engine management system adapted to receive measured operating parameters from the sensors and to generate signals indicative of a current operating performance of the engine and signals indicative of performance-increasing adjustments to current operating parameters; and a display adapted to present symbols in response to signals from the engine management system. The symbols guide the operator to increase or maintain engine performance.

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Greensboro, NC, United States of America

Bo Hammerlid