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NMMU - Becker: Full variable valve train on a combustion ... - DAAD

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piezo piezo<br />

pist<strong>on</strong><br />

input<br />

electr<strong>on</strong>ic c<strong>on</strong>trol unit<br />

hydraulic<br />

stroke ratio<br />

servo pist<strong>on</strong><br />

Hydraulic stroke ratio<br />

• transmissi<strong>on</strong> ratio 138:1<br />

Piezo actuator<br />

• P-235.90<br />

• max. 180 µm<br />

28

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