Hydraulic rocker arm

Details Hydraulic rocker arm Hydraulic rocker arm

1984-04-01

1987-04-14

Lazarus, Ira S.

Internal-combustion engines

Poppet valve operating mechanism

Hydraulic system

123 9015, F01L 902

Patent

active

046569766

ABSTRACT:
A new and useful rocker arm for an internal combustion engine and more particularly a hydraulic actuated rocker arm of which varies valve timing automatically. Improving low end horsepower by altering valve opening and closing points, while engine speeds increase, valve duration and overlap increases automatically for a large fuel flow improving top end horsepower. This novel device also improves fuel economy and helps eliminate smog pollutant emissions to a minimum.

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patent: 2384701 (1945-09-01), Schreck
patent: 2396392 (1946-03-01), Schreck
patent: 2962013 (1960-11-01), Reggio
patent: 3727595 (1973-04-01), Links
patent: 3865088 (1975-02-01), Links
patent: 3872844 (1975-03-01), Gates
patent: 4009695 (1977-03-01), Ule

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