Tappet for the valve drive of an internal combustion engine

Details Tappet for the valve drive of an internal combustion engine Tappet for the valve drive of an internal combustion engine

1996-01-16

1996-12-24

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

Tappet

123 9055, F01L 125

Patent

active

055865283

ABSTRACT:
A tappet (1) for a valve drive of an internal combustion engine, characterized in that an upper edge (22) of the cylindrical element (15) extends directly along the underside (8) of the housing bottom (7) except in a region of a trough-like formation (24) provided in the cylindrical element (15) in a region of the underside (8) of the housing bottom (7) for oil transfer from the canal (19) into the annular oil reservoir (18), the ratio of the width of the recess (24) at an upper edge thereof facing the bottom of the width of the canal (19) is .gtoreq.1.75.

REFERENCES:
patent: 4465038 (1984-08-01), Speil
patent: 4648360 (1987-03-01), Schaeffler

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