Apparatus for assisting engine starting

Internal-combustion engines – Charge forming device – Auxiliary air or oxygen added to combustible mixture

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Details

123179R, 123198DB, F02M 2300

Patent

active

043771505

ABSTRACT:
An internal combustion engine provided with an idling adjusting device including a by-pass air passage which by-passes a throttle valve in a main air passage. The engine is further provided with an auxiliary air introducing device which increases the cross-sectional area of the by-pass air passage as engine temperature and/or ambient air temperature are above respectively predetermined temperatures during starting operation of the engine.

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