Valve actuation system for desmodromic internal combustion engin

Details Valve actuation system for desmodromic internal combustion engin Valve actuation system for desmodromic internal combustion engin

1989-04-10

1989-12-19

Myhre, Charles J.

Internal-combustion engines

Poppet valve operating mechanism

Valve driven closed

F01L 130

Patent

active

048875643

ABSTRACT:
An improved internal combustion engine of the desmodromic type having a novel connection between the valve stem and the rocker arm assembly. The connection includes a shell which captures a pin which has an enlarged opening which surrounds the valve stem. As the valve end of the rocker arm assembly moves through an arcuate motion, the pin within the shell slides within the shell which, in turn, is tightly affixed to a valve stem. The valve is forced to close either by a spring or a second cam.

REFERENCES:
patent: 2832327 (1958-04-01), Lorenz
patent: 3254637 (1966-06-01), Durham
patent: 3430614 (1969-03-01), Meacham
patent: 4576128 (1986-03-01), Kenichi
patent: 4805568 (1989-02-01), Springer et al.

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