F - Mech Eng,Light,Heat,Weapons – 02 – P
Patent
F - Mech Eng,Light,Heat,Weapons
02
P
317/5.35
F02P 11/00 (2006.01) F02P 1/08 (2006.01) F02P 5/02 (2006.01) F02P 5/15 (2006.01) F02P 9/00 (2006.01) F02P 11/02 (2006.01) F02P 11/04 (2006.01)
Patent
CA 1238080
ABSTRACT OF THE DISCLOSURE A microcomputer is used in the invention for control of the ignition functions of an ignition system of an i.c. engine. A switch 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 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.
452007
Aktiebolaget Electrolux
Mccarthy Tetrault Llp
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