Operating arrangement for internal combustion engine poppet valv

Details Operating arrangement for internal combustion engine poppet valv Operating arrangement for internal combustion engine poppet valv

1989-05-28

1990-05-29

Myhre, Charles J.

Internal-combustion engines

Poppet valve operating mechanism

Valve driven closed

123 9028, 123 9046, F01L 130, F01L 132

Patent

active

049286501

ABSTRACT:
A first rocker arm is used to induce valve lift while a second one used to move the valve back to closed position. The rocker arms are arranged to engage the valve top or retainer surfaces at locations offset from the axis of the valve and to induce the valve to rotate during the lift and closing operations. Springs, hydraulic lifters or double adjust screw type arrangements are used to control clearances.

REFERENCES:
patent: 2751895 (1956-06-01), Gassmann
patent: 2814283 (1957-11-01), Gassmann et al.
patent: 2824554 (1958-02-01), Sampietro
patent: 2831470 (1958-04-01), Lorscheidt
patent: 2833258 (1958-05-01), Lorscheidt et al.
patent: 4007716 (1977-02-01), Jones
patent: 4646690 (1987-03-01), Hayashi
patent: 4662323 (1987-05-01), Moriya

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