Internal combustion engine apparatus

Details Internal combustion engine apparatus Internal combustion engine apparatus

1985-06-14

1986-12-23

Cox, Ronald B.

Internal-combustion engines

High tension ignition system

Using capacitive storage and discharge for spark energy

123418, F02P 504

Patent

active

046305904

ABSTRACT:
An internal combustion engine apparatus including an internal combustion engine having an ignition system and a centrifugal clutch. The ignition system is capable of being in delayed ignition timing in a range of low engine speeds and being in advanced ignition timing in a range of high engine speeds while quickly changing ignition timing stepwise when the engine speed is at a predetermined level between the low and high engine speed ranges, and the centrifugal clutch is switched between a condition of engagement and a condition of disengagement at an engine speed in the vicinity of the predetermined engine speed. The apparatus retains the advantages of an internal combustion engine having a centrifugal clutch and allows a machine for which the apparatus is used to make effective use of engine output power. The apparatus has improved engine startup characteristic and increased engine stability and is free from engine stall when the centrifugal clutch is not fully engaged.

REFERENCES:
patent: 3861372 (1975-01-01), Shibukawa
patent: 3880133 (1975-04-01), Katsumata
patent: 3898972 (1975-08-01), Haubner
patent: 4345553 (1982-08-01), Magrane
patent: 4412522 (1983-11-01), Fujimoto

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