Secondary air supply system for internal combustion engines

Details Secondary air supply system for internal combustion engines Secondary air supply system for internal combustion engines

1976-06-04

1977-12-27

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

60293, 1375124, 137522, 137529, 137854, F02B 7510, F01N 310

Patent

active

040646939

ABSTRACT:
A non-return air flow system for supplying secondary air into the exhaust system of internal combustion engines by utilizing pulsating flow of exhaust gases in the exhaust system, wherein the critical valve opening pressure for a check valve incorporated in the non-return system is varied in accordance with intake air flow rate of the engine so that supply of secondary air is effected in proportion to air intake of the engine.

REFERENCES:
patent: 2551836 (1951-05-01), Gendreau
patent: 2944564 (1960-07-01), Pettey
patent: 3751915 (1973-08-01), Ranft
patent: 3986353 (1976-10-01), Otsubo

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