Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Reexamination Certificate
2005-11-29
2005-11-29
Denion, Thomas (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
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
Palesch Edwin
Trzmiel Alfred
Denion Thomas
Huckett Gudrun E.
Hydraulik-Ring GmbH
Riddle Kyle M.
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