Exhaust system for four cylinder two-cycle engines

Details Exhaust system for four cylinder two-cycle engines Exhaust system for four cylinder two-cycle engines

1983-06-08

1984-11-27

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Pulsed, timed, tuned or resonating exhaust

60314, F01N 708, F02B 2702

Patent

active

044844425

ABSTRACT:
A four cylinder, two-cycle engine (10) has an exhaust system formed in a die-cast cylinder block. The exhaust system includes four legs (25) connected to the exhaust ports (23) of the cylinders (12). The upper two legs join together, as do the lower two legs to form two exhaust branches (26) connected by an exhaust trunk (27). An exhaust outlet passage (28) connected to the trunk (27) to provide an outlet for exhaust gases. The exhaust system is formed to lie in a plane on the exhaust side of the cylinder block (16).

REFERENCES:
patent: 2643510 (1953-06-01), Kiekhaefer
patent: 3695238 (1972-10-01), Boerma
patent: 3772887 (1973-11-01), Ziegler
patent: 4381644 (1983-05-01), Kusche

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