432 磁気を用いた低摩擦エンジン動弁系の開発とそれによるジャンプ抑制効果

概要

論文の詳細を見る
A new type driven valve system for combustion engines has been presented, in which the cam is made of permanent magnet, and the roller rocker arm is made of cylindrical permanent magnet. In this system, an attractive force between the cam and the rocker arm due to the magnetic force suppresses jumps and bounces. This makes the friction in the driven valve system decrease. Hence, friction torque is decreased by use of this system. This implies that the energy loss decreases. In addition, since bounce phenomena is suppressed by the attractive force, noise due to the bounce is also suppressed in the present system. The analysis for obtaining the critical speed has been presented, and to validate the theoretical results, experimental test has been carried out. It is clarified that the present system is valid for the valve system for combustion engines.
一般社団法人日本機械学会の論文
2000-09-01