Intake system for multi-cylinder internal combustion engine

Details Intake system for multi-cylinder internal combustion engine Intake system for multi-cylinder internal combustion engine

1979-10-16

1982-03-09

Lazarus, Ronald H.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

Air or combustible mixture entering the combustion chamber...

123 59PC, 123308, 123 52M, F02B 4708, F02B 2902

Patent

active

043183808

ABSTRACT:
Several embodiments of induction systems for multiple cylinder internal combustion engines that improve engine performance, particularly at idle and low speed. In each embodiment a charge is delivered to the chambers at idle and low speed through a relatively small cross sectional area auxiliary induction system for improving turbulence in the chamber at the time of combustion. The auxiliary induction passages communicate with each other so that the idle charge for a given chamber that is on its intake cycle will be supplied from the portion of the other induction systems downstream of a manually operated throttle valve. Upstream of the manually operated throttle valves there is provided another throttle valve which cooperates with an idle fuel discharge so that the idle fuel is delivered to the various chambers.

REFERENCES:
patent: 3456634 (1969-07-01), Nelson
patent: 3930478 (1976-01-01), Brettshneider
patent: 4186706 (1980-02-01), Matsumoto
patent: 4194474 (1980-03-01), Endo
patent: 4240387 (1980-12-01), Motosugi
patent: 4261316 (1981-04-01), Motosugi

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