Multi-stage air pump for supplying secondary air into an exhaust

Details Multi-stage air pump for supplying secondary air into an exhaust Multi-stage air pump for supplying secondary air into an exhaust

1974-04-12

1976-03-16

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

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

60306, 60307, F01N 316

Patent

active

039437116

ABSTRACT:
A plurality of pump elements is progressively increasing the pressure of air to respectively supply air at various pressures into portions in an exhaust gas purifying system requiring secondary air.

REFERENCES:
patent: 2703477 (1955-03-01), Anxionnaz
patent: 3226206 (1965-12-01), Hettich
patent: 3826089 (1974-07-01), Nakajima

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