Method for determining the idle travel of a piezo-injector with a directly actuated nozzle needle

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United States of America Patent

PATENT NO 9534983
APP PUB NO 20140060488A1
SERIAL NO

14004159

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Abstract

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A method is disclosed for determining the idle travel of a piezo-injector which has a piezo-actuator and a nozzle needle which is activated directly by the piezo-actuator. A test pulse is applied to the piezo-actuator, which pulse brings about a continuous increase in the piezo-travel. The time period is measured which passes between the starting of the test pulse and the time when the idle travel is overcome. The idle travel of the piezo-injector is then determined from the measured time period.

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Patent Owner(s)

Patent OwnerAddress
VITESCO TECHNOLOGIES GMBHSIEMENSSTRASSE 12 REGENSBURG 93055

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Katzenberger, Michael Regensburg, DE 7 34
Kramel, Manfred Mintraching, DE 6 42
Nozeran, Nicolas Tegernheim, DE 6 36

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