Internal-combustion engines – Poppet valve operating mechanism – Tappet
Reexamination Certificate
2006-12-12
2006-12-12
Chang, Ching (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
Tappet
C123S090480
Reexamination Certificate
active
07146952
ABSTRACT:
A valve tappet system includes a base body, a lateral section, which forms a guide surface for guiding the base body along an oscillation axis. The anti-rotation element to suppress a rotational or swiveling movement about the oscillation axis. The anti-rotation element has a seat face which sits on the lateral section and a guide body which protrudes beyond the lateral section in the radial direction. Spaced first and second engagement protrusions are provided on the element, and the lateral section is provided with a first and second radial bores assigned to the respective first and second engagement protrusions, which are each engaged in the respective radial bore radially to the oscillation axis.
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Bonauer Franz
Kreil Franz
Manke Berthold
Schroeter Gunter
Bayerische Motoren Werke Aktiengesellschaft
Chang Ching
Crowell & Moring LLP
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