Air supply arrangement for an internal combustion engine

Power plants – Internal combustion engine with treatment or handling of... – By means producing a chemical reaction of a component of the...

Patent

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Details

Other Related Categories

60289, 60290, 60293, 123 4159, F01N 300

Type

Patent

Status

active

Patent number

060148608

Description

ABSTRACT:
In an air supply arrangement for an internal combustion engine, particularly for motor vehicles having devices for cooling the engine and for supplying exhaust gas secondary air to the exhaust system of the engine, a single air pump driven by an electric motor is provided for supplying air to the engine cooling system and to the exhaust system and devices for switching the air flow supplied by the air pump to either the engine cooling system or the engine exhaust system are provided. A control unit is also provided which controls the electric motor depending on the amount and pressure of the air needed for the cooling system and the engine exhaust system.

REFERENCES:
patent: 1491584 (1924-04-01), Connor
patent: 1873379 (1932-08-01), Frentzel
patent: 2248544 (1941-02-01), Maruhn
patent: 3034290 (1962-05-01), Gary
patent: 3393668 (1968-07-01), Milgram
patent: 4491094 (1985-01-01), Ogawa
patent: 5095691 (1992-03-01), Yoshimura et al.

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