The series-type single-phase voltage regulator, for voltage generators, comprises a semicontrolled bridge rectifier (D2, D7, Q1, Q4), in which a first and a second branch of the bridge comprise a controlled power diode or SCR (Q1; Q4) connected between a r...

A power MOS voltage regulator for recharging batteries of motor vehicles; a voltage generator (10) is selectively connected to a battery (BA), respectively to an earth by means of a controlled rectifier bridge. The rectifier bridge comprises a Schottky dio...

The ignition system for internal combustion engines comprises a rotor (10) and an armature (15) provided with an ignition coil (16,17) in which voltage signals, each having pulses (a,b,c,d) of opposite polarities are cyclically induced during each revoluti...

An inductive ignition system for low powered internal combustion engines comprises a voltage generator (10) having a magnetic circuit (16) linked with an ignition coil (17,18) connected to a spark plug (CD). The voltage generator (10) periodically produces...

A method and an apparatus for controlling the emission of harmful gases from internal combustion engines (10) fitted with an afterburning catalytic system (24). Primary and secondary air for combustion are fed to the engine (10) by means of a main air-feed...

An apparatus for controlling the starter, in internal combustion engines, the fuel inlet circuit of which comprises an automatic starter device (17, 19, 20) for enriching the mixture; the starter device (17, 19, 20) comprises a wax type thermostatic actuat...