Dynamic valve mechanism of internal combustion engine

Details Dynamic valve mechanism of internal combustion engine Dynamic valve mechanism of internal combustion engine

1990-04-13

1991-02-26

Okonsky, David A.

Internal-combustion engines

Poppet valve operating mechanism

Rocker

123 9041, 123 9027, F01L 118

Patent

active

049953524

ABSTRACT:
A dynamic valve mechanism in an internal combustion engine for opening and closing a valve by swinging a rocker arm in accordance with rotation of a cam shaft. The valve mechanism includes a rocker shaft for swingably supporting the rocker arm, a positioning portion fixedly mounted on the rocker arm and projecting in the axial direction of the rocker shaft, and a thrust bearing portion mounted on the cylinder head for supporting the rocker shaft through a holding portion thereof and projecting toward the rocker arm side in order to position the rocker arm by contact with the positioning portion.

REFERENCES:
patent: 4401064 (1983-08-01), Nakamura et al.
patent: 4584974 (1986-04-01), Aoyama et al.
patent: 4671222 (1987-06-01), Gallot et al.
patent: 4714058 (1987-12-01), Oda et al.
patent: 4773361 (1988-09-01), Toki et al.
patent: 4796574 (1989-01-01), Fujii et al.

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