Uwe Feldmann

Method to adjust injection times of individual cylinders of an internal combustion engine depending on their dimensions derived from the crank shaft rotations to compensate for fluctuations in injection quantities

Verfahren zur Diagnose der Funktionalität einer Ventilhubverstellung einer Brennkraftmaschine

Valve stroke adjustment functionality diagnosing method for internal combustion engine, involves comparing actual frequency of engine`s impact sound with threshold frequency of sound assigned to valve stroke-ignition angle adjustment

Motor vehicle has arrangement for detecting and evaluating at least one parameter set or changed when starting secondary air charging device, and for outputting fault signal if fault condition exists

Method for the functional diagnosis of an apparatus for valve lift control of the engine valves in an internal combustion engine

Method for performing functional diagnostics on at least one charge movement element by evaluating running irregularities

Catalyst aging condition diagnosis method for internal combustion engine, involves evaluating time period between starting and ending of time measurement as diagnosis time for determining aging condition of catalyst

Functional efficiency testing method of a device for adjusting stroke of gas-exchange valves of externally-ignited combustion engine, involves adjusting stroke of gas-exchange valves and evaluating changing of crankshaft acceleration

Method for controlling hybrid drive of motor vehicle, involves determining regeneration torque of electric machine during driving electric machine and transfer of signal of control unit

Verfahren zum Durchführen von Verstellvorgängen für Ventile bei Brennkraftmaschinen mit mehreren Brennkammern sowie Brennkraftmaschine zur Durchführung des Vefahrens