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, C123S090160, C123S090150, C123S090310, C251S030010, C092S120000, C092S121000

Reexamination Certificate

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07107952

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.

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patent: 5823152 (1998-10-01), Ushida
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patent: 5927239 (1999-07-01), Kohrs et al.
patent: 6308669 (2001-10-01), Lancefield et al.
patent: 6386164 (2002-05-01), Mikame et al.

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