Metal treatment – Stock – Carburized or nitrided
Reexamination Certificate
2002-06-19
2008-09-02
Yee, Deborah (Department: 1793)
Metal treatment
Stock
Carburized or nitrided
C148S235000, C148S233000
Reexamination Certificate
active
07419553
ABSTRACT:
A fuel injection valve for internal combustion engines, having a valve body and at least one injection opening embodied in it, through which opening, controlled by a valve needle that cooperates with a valve seat embodied in the valve body, fuel can be injected into the combustion chamber of the engine. The valve body comprises a high-alloy hot-work steel, which has been hardened by a case-hardening process.
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Hoch Alfred
Liedtke Dieter
Wolf Franz
Greigg Ronald E.
Yee Deborah
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