Exhaust gas control device in an internal combustion engine

Details Exhaust gas control device in an internal combustion engine Exhaust gas control device in an internal combustion engine

1996-05-21

1997-10-14

Richter, Sheldon J.

Power plants

Internal combustion engine with treatment or handling of...

Divider, collector, valve means, or boundary layer device...

123323, F01N 700

Patent

active

056759690

ABSTRACT:
An exhaust gas control device is provided in an internal combustion engine. In the device, a valve which comprises a valve head and a valve stem is provided in a body the axis of which is inclined at 45 degrees with respect to a horizontal exhaust pipe. The valve is moved up and down in the body by compressed air and a coil spring. When the valve is engaged on a valve seat in the exhaust pipe, the exhaust pipe is closed, so that exhaust gas flows through a by-pass pipe. When the exhaust pipe is opened, exhaust gas flows through the exhaust pipe, thereby improving engine performance.

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patent: 4707987 (1987-11-01), Aktin
patent: 4773440 (1988-09-01), Yanagawa et al.
patent: 5355673 (1994-10-01), Sterling et al.
patent: 5603214 (1997-02-01), Abels et al.

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