Internal combustion engine

Internal-combustion engines – Poppet valve operating mechanism – Electrical system

Reexamination Certificate

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C123S090310, C123S090340

Reexamination Certificate

active

07093571

ABSTRACT:
In an internal combustion engine having an electromagnetically driven valve for driving one of an intake valve and an exhasut valve, at least a lubricating oil passage to a head section including a lubricating oil passage to the electromagnetically driven valve is provided independently from other lubricating oil passage such that the lubricating oil for the electromagnetically driven valve is not mixed with the other lubricating oil. A lubricating device is allowed to have a portion where the lubricating oil is commonly used so long as the lubricating oil for the electromagnetically driven valve and the lubricating oil for the other elements are not mixed.

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“Electromagnetic Valve Control (EVC) A Future Technology to reduce Fuel Consumption In the Conflict between Variability, Complexity and Costs”, DaimlerChrysler AG, Mercedes-Benz Technology Center, Stuttgart, pp. 30-53 (with Abstract).

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