Exhaust system for internal combustion engine with compression w

Details Exhaust system for internal combustion engine with compression w Exhaust system for internal combustion engine with compression w

1989-03-23

1990-03-20

Wolfe, Willis R.

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

123568, F02B 3702

Patent

active

049090364

ABSTRACT:
An engine exhaust system wherein exhaust manifold comprises a plurality of exhaust branch connected to the engine at upstream ends to form a plurality of forked exhaust passage means respectively, converging portion for converging said plurality of exhaust branch to form a single converged exhaust passage, and exhaust outlet for introducing the exhaust gas from the exhaust manifold to compression wave supercharger, the exhaust branch being arranged in such a manner that respective streams of the exhaust gas through the exhaust branch are converged to form a substantially single stream in the converging portion, EGR port being arranged on the exhaust manifold means so as to substantially align with the single stream, the exhaust outlet being arranged in a direction different from that of the single stream of the exhaust gas, the system can highly utilize a dynamic energy of the exhaust gas in EGR control on one hand, and can suppress an influence of pulsation of the exhaust gas in operation of the compression wave supercharger on the other hand.

REFERENCES:
patent: 4555904 (1985-12-01), Melzer et al.
patent: 4676217 (1987-06-01), Yajima
patent: 4697423 (1987-10-01), Conrad et al.
patent: 4702218 (1987-10-01), Yoshioka et al.

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