| 摘要 |
Exhaust apparatus for a vehicle engine, having a connecting line which connects a sub-chamber to an engine exhaust line and which is provided with an opening and closing valve connected to a power source responsive to the number of engine revolutions per minute, i.e. speed, and causing the valve to open and close in dependency of the number of such revolutions. The power source is connected to the shaft mounting the valve by elements inserted through the outer walls of an engine cylinder, the exhaust line and a crank case.
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