Patent EA-001819-B1 (EA)
Title: Direct system and method of igniting working mixture in cylinders of internal combustion engine
Inventor: IGNATOV SERGEI JAKOVLEVICH
IPC: F02P3/02
Filed: 1998-09-21
Abstract: 1. A direct ignition system, comprising an electrically-connected, at least one sensor (1), an ignition module (2), comprising a micro assembly in a compound-sealed housing, said micro assembly is made by hybrid and film technology using thick film with uncased radio elements and integrated circuits, an ignition coil (3), a high-voltage output (9) of which is connected to an ignition coil of at least one cylinder of an internal combustion engine and cooling means, characterized in that in a cavity (4) formed by a front cover (4) and a distribution box cover (4), said ignition module has a micro assembly on one of side walls of the metallic housing, comprising an automation of setting optimum angle of ignition advance (D1) and a controller of the direct ignition system (D2), wherein the input of the setting angle automation is connected by a chain of capacitors, a divider and protection diodes with an magneto electric sensor, a tachometer and a power source (+12v), the automation output with the controller input, the output of which is connected via an external power transistor to the corresponding terminals of the ignition coil primary winding and the mass, a rotor of the magneto electric sensor has on the lateral side diametrically-opposed magnetic contactors (5), face aerodynamic elements (6) on the upper end and a sector reflector (7) and the windings (8,9) of the ignition coil are positioned on the sides of magnetic path with air gaps between ( -shaped halves. 2. The direct ignition system as claimed in claim 1, characterized in that the metal housing is provided with a fixing brackets (11) on the lateral surface of two opposing walls for arranging the module on the cover of the distribution box (4) or on the inner side of the front cover (4), wherein the cover can be provided with cooling ribs on its outer side, and one of the housing walls - sides with longitudinal slots on faces facing each other, in which corresponding sides of a receptacle (13) are positioned. 3. The direct ignition system as claimed in claim 1 or 2, characterized in that the micro circuits inputs (D1) of the optimum angle setting automation inverting 2D1 and non-inverting 3D1 are connected to the magneto electric sensor (1) via diodes VD1 and VD2 for protection of the input circuits of D1 automation, R2, R3, R4 divider with a chain of C1 and C2 capacitors, wherein the R4 output is connected to the common 4 D1 output and power supply 1 D1 (-9v), and via C3, C4, C5, C7, C8 capacitors and R9 resistor correspondingly to the R6 resistor outputs, 8, 9, 10, 11 and 12 inputs of the D2 micro circuit of the controller, and the divider, VD1 cathode and VD2 anode via the R5 resistor with the 7 D1 outputs of the automation micro circuit D1 and the 5D2 micro circuit of the D2 controller, and also - with the R6 resistor output, the R2 divider output is connected to the 8D1 power supply output (+9v) and to the 32 power supply input, the R6 resistor output and via the R7 resistor to the power source (+12v) and to the first output of the ignition coil primary winding (8), via the R8 ballast transistor to the VD3 cathode stabilitron of the output cascade protection, the anode of which is earthed and to the 16D2 micro circuit input of the D2 controller, the 13D2 and 14D2 outputs are connected accordingly to the VT1 external thyristor base and the R10 correcting chain output of the R10 C9 chain, the C9 output of which is connected to the 13D2 corrector micro circuit output, via the R12 resistor , transistor collector is connected to the second input of the ignition coil primary winding (8), the 6D2 and 7D2 are connected via the R13 resistors to the power source and R14 to the tachometer , and the 1,3 and 4 are earthed. 4. A method of igniting working mixture in a cylinder of an internal combustion engine, wherein high voltage is supplied to a spark gap from the ignition coil secondary winding to set an optimum angle of ignition advance by regulation of energy discharge, characterized in that the voltage is supplied to the spark ignition gap at each stroke, the discharge energy in the working stroke corresponds to the spark-over energy of the compressed fuel and air mixture of the set stochiometric composition - 7-7,5 mJoule, and in an idle stroke - air mixture with residual fuel vapors - 0,5 mJoule.