Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Reexamination Certificate
2005-04-26
2005-04-26
Denion, Thomas (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
C123S090160, C123S090340, C092S08500R, C092S122000, C464S001000, C464S002000, C464S160000
Reexamination Certificate
active
06883480
ABSTRACT:
A camshaft adjuster for internal combustion engines of motor vehicles has a stator having a casing and stays connected to the casing and projecting radially inwardly. A rotor rotatable relative to the stator is fastened on the camshaft. The rotor has a rotor base member and vanes connected thereto. The vanes project into spaces between the stator stays. The stays each have an end face that rest sealingly against the rotor base member. The vanes of the rotor each have an end face resting sealingly against an inner peripheral wall of the stator. At least one of the vanes of the rotor has a damping element and the stator has at least one counter damping element. Upon rotation of the rotor into its end position, the damping element interacts with the counter damping element and slows the movement of the rotor into the end position.
REFERENCES:
patent: 5836276 (1998-11-01), Iwasaki et al.
patent: 6390043 (2002-05-01), Niethammer et al.
patent: 6668777 (2003-12-01), Sluka et al.
Schneider Guido
Sluka Gerold
Denion Thomas
Huckett Gudrun E.
Hydraulik-Ring GmbH
Riddle Kyle M.
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