Exhaust gas cleaning system for a V-type internal combustion eng

Details Exhaust gas cleaning system for a V-type internal combustion eng Exhaust gas cleaning system for a V-type internal combustion eng

1981-12-11

1984-02-14

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Methods

60293, 60305, F01N 330

Patent

active

044308574

ABSTRACT:
An exhaust gas cleaning system for an internal combustion engine including two cylinders arranged in V-shape and an exhaust system having exhaust ports. A secondary air supplying system is connected to the exhaust system for supply of secondary air. Reed valve devices responsive to an exhaust gas pulsation pressure are incorporated in the secondary air supplying system and are opened and closed under the action of exhaust gas pulsation developing during engine operation. The reed valve devices are disposed in a space defined between the two cylinders. The reed valve devices are connected to the exhaust ports through respective secondary air supplying pipes which form a part of the secondary air supplying system. The secondary air supplying pipes are wound so as to surround the respective cylinders.

REFERENCES:
patent: 3751915 (1973-08-01), Ranft

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