Valve drive device for an internal combustion engine

Details Valve drive device for an internal combustion engine Valve drive device for an internal combustion engine

1977-07-26

1980-03-11

Lazarus, Ira S.

Internal-combustion engines

Poppet valve operating mechanism

Rocker

123 9036, 123 9046, 123 9044, 74519, F01L 118

Patent

active

041922638

ABSTRACT:
A valve drive device for an internal combustion engine characterized in a movably pivoted rocker arm, at either a cam-contacting part or a valve stem-contacting part thereof, having installed therein a built-in oil pressure tappet for automatically absorbing a gap created at such contacting part. Between the oil pressure tappet and the cam or the valve stem, in contact with the oil pressure tappet, a movable plate is provided, having a curved surface where the movable plate and/or the oil pressure tappet contact each other, thereby lubricating the contacting part to prevent its abrasion.

REFERENCES:
patent: 1691991 (1928-11-01), Puckett
patent: 1994743 (1935-03-01), Anderson
patent: 2011863 (1935-08-01), Lovett
patent: 2036936 (1936-04-01), Halford
patent: 2764141 (1956-09-01), Schoonover
patent: 2818845 (1958-01-01), Yandt

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