Positive displacement air delivery system for an internal combus

Details Positive displacement air delivery system for an internal combus Positive displacement air delivery system for an internal combus

1983-04-04

1984-12-18

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Methods

60277, 60285, 60290, 123559, F01N 322

Patent

active

044884001

ABSTRACT:
A positive displacement air delivery system for an internal combustion engine having a multiple chamber positive displacement air pump and a control valve for directing the output of the air pump to either the engine's catalytic converter or to the engine's air intake for supercharging the engine. The control valve interconnects the individual input and output ports of the air pumps chamber in a predetermined arrangement for optimum efficiency of the pump under the various operational modes of the engine.

REFERENCES:
patent: 3307487 (1967-03-01), Steadman
patent: 3937605 (1976-02-01), Karpisek
patent: 3946565 (1976-03-01), Cutler
patent: 4004556 (1977-01-01), Pfeiffer
patent: 4026106 (1977-05-01), Tamazawa
patent: 4083183 (1978-04-01), Yaegashi
patent: 4364366 (1982-12-01), Terwilliger
patent: 4364367 (1982-12-01), Terwilliger

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