METHOD FOR DETERMINING THE IDLE TRAVEL OF A PIEZO-INJECTOR WITH A DIRECTLY ACTUATED NOZZLE NEEDLE

World Intellectual Property Organization Patent

APP PUB NO WO-2012119909-A1
SERIAL NO

PCTEP2012053461

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Abstract

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The invention relates to a method 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 determined from the measured time period.

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Patent Owner(s)

Patent OwnerAddress
CONTINENTAL AUTOMOTIVE GMBHDE30165 HANNOVER

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Inventor(s)

Inventor Name Address
KATZENBERGER MICHAEL REGENSBURG
KRAMEL MANFRED MINTRACHING
NOZERAN NICOLAS 93047 REGENSBURG

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