Fuel injection valve for internal combustion engines

DRIVE November 14, 2001
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The injection valve has a pre-loaded longitudinally elastic sleeve-shaped element (35,37) to charge a valve member (10) in closing direction. The sleeve element is rotary-symmetrical, and is e.g. bellows-shaped. The bellows consist of truncated cone-shaped parts of different heights, with facing edges being rounded.

Discussion in the ATmosphere

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