Internal-combustion engines – Poppet valve operating mechanism – Rocker
Reexamination Certificate
2011-06-21
2011-06-21
Chang, Ching (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
Rocker
C123S090160, C123S090440, C074S559000
Reexamination Certificate
active
07963261
ABSTRACT:
A drive valve for an internal combustion engine comprising a variable hub profile for a valve having a lever supported on a variable support point by means of a switchable support element which provides possibilities for influencing the hub profile and alternatively and cumulatively, the cam is axially displaced such that various cam paths are active on the lever.
REFERENCES:
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patent: 6901893 (2005-06-01), Gumpher
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patent: 1 503 048 (2005-02-01), None
patent: WO 2004/083611 (2004-09-01), None
patent: WO 2005040562 (2005-05-01), None
Ihlemann Arndt
Möck Stephan
Chang Ching
Muserlian Charles A.
Schaeffler KG
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