Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1984-04-05
1985-11-19
Dolinar, Andrew M.
Internal-combustion engines
Charge forming device
Fuel injection system
123335, 123418, 123424, F02P 514
Patent
active
045535175
ABSTRACT:
A microcomputer is used in the invention for control of the ignition functions of an ignition system of an i.c. engine. A switch (17) in an operating handle or the like is connected via a transistor to a digital input of the computer. This reads the status of the switch once every revolution of the engine and as long as the switch is closed the ignition is delayed at an r.p.m. above a predetermined, programmed value (e.g. 3000 r.p.m.) and the r.p.m. of the engine is restricted. When the engine shall work the switch is opened and the ignition is normal. The restriction is used at start in order to avoid speeding during the start procedure. As a complement to said switch a parallel switch (27) can be connected and operated by a brake device of the engine. During braking the r.p.m. of the engine is thereby restricted to the same value as the r.p.m. during the start.
REFERENCES:
patent: 4127092 (1978-11-01), Fresow et al.
patent: 4133325 (1979-01-01), West
patent: 4376428 (1983-03-01), Hata et al.
patent: 4378769 (1983-04-01), Haubner et al.
Aktiebolaget Electrolux
Dolinar Andrew M.
Miller Alfred E.
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