Actuating device for securing a camshaft of an engine of a...

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Reexamination Certificate

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Details

C123S090120, C123S090180, C123S090160, C123S090150, C123S090310, C417S413100, C417S413200, C417S476000, C417S490000, C417S493000, C417S495000

Reexamination Certificate

active

06968815

ABSTRACT:
An actuating device for hydraulically securing a camshaft of an engine of a motor vehicle in a start position has a solenoid valve controlling the flow of a pressure medium to a camshaft adjuster with a rotary slide valve that is fixedly connected to the camshaft and moves the camshaft into the required start position according to the pressure medium supplied to it by the solenoid valve.

REFERENCES:
patent: 3779669 (1973-12-01), Sommer
patent: 4274385 (1981-06-01), Yuzawa et al.
patent: 4854649 (1989-08-01), Arikawa

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