SU60924A1 - A device for determining the instant of electric current opening and the magnitude of the contact divergence of the circuit breaker of the primary circuit of the electrical ignition systems of internal combustion engines - Google Patents

Description

DEVICE FOR DETERMINING THE DEFINING MOMENT

ELECTRIC CURRENT AND DIVIDING VALUES

CONTACT INTERRUPTOR PRIMARY CIRCUIT SYSTEMS

ELECTRICAL IGNITION OF INTERNAL MOTORS

Said 28 ma 1ShO g. Per l ° 1704 in NKZem

Rational operation of internal combustion engines equipped with an electric ignition system controlled by a current interrupter in a primary circuit, such as automobile engines, is directly dependent on the cleanliness of the interrupter contacts and on accurately determining the opening time of these contacts on the primary ignition circuit.

The proposed image, designed to equip service personnel with a device easily mounted on the chopper, to objectively control the above factors, is made in the form of ticks with contacts on jaws connected to a signal light bulb mounted in the joints of ticks and installed on the anvil and hammer of the chopper respectively.

FIG. 1 shows the proposed device; in fig. 2 - the first lever of the device, front view; in fig. 3 is the same, side view with a cut; in fig. 4 - the second lever, front view in FIG. 5 - the same, side view with a cut.

The device is made of two 2 to 3 metal joints / levers, which are made of plastic or other non-conductor electric current.

The hinge / has a groove with an annular groove designed to fasten the convex spring plate 4 around the periphery. The working sponge of the lever 2 is provided with a metal pin 5, which is pressed into the pin 4, applied to the hammer of the engine ignition primary circuit. body lever 2.

The hinge / has inside the thread 7 for screwing in the low-voltage incandescent bulb, and from the outside - thread 8 for tightening the nut connecting the levers 2 and 3.

Combustion

No. 60924-2-On the side process of the lever 2, a scale 9 is applied with divisions to control the size of the divergence of the contacts of the chopper.

The lever 3 in the middle part is equipped with a metal ring 10 with a hole //, freely enclosing the cylindrical part of the hinge / lever 2, and connecting both levers to the tongs. The working sponge of the lever / is terminated by the contact 12 in the form of a plug, which is put on the contact screw of the anvil of the chopper. Contact 12 is connected by a conductor 13 to the ring 10. The free arm of the lever 1 is provided with a pointer 14 on the lateral process.

The operation of the engine ignition circuit primary circuit breaker is monitored as follows. Slide the cover and case into the breaker, winding contact 12 of the lever / on the anvil contact screw under its head, and contact 5 of the jaw of the lever 2 set on the protruding part of the breaker hammer. The bulb, turned into the tongs of the ticks, turns out to be connected in parallel with the malleus and the anvil of the chopper.

After installation of the device, occupying a vertical position, include the ignition system. In case of closed and clean contacts of the chopper, the current passes from the battery or other source through the engine mass, the anvil, the contacts and the hammer of the chopper, without causing the device bulb to glow. In case of heavily soiled or burnt contacts, part of the current will pass through the bulb, its thread will receive a weak glow, and this will signal a contact fault.

The moment of breaking of the current in the primary circuit is also monitored: at this moment the light bulb flashes bright light. The magnitude of the divergence of the contacts of the chopper when the primary circuit is broken is determined by counting on a scale 9 using pointer 14.

Subject invention

Claims (2)

1. A device for determining the moment of opening of electric current and the magnitude of the divergence of the contacts of the chopper of the primary circuit of the electric ignition systems of internal combustion engines, characterized in that it is made in the form of tongs, on the jaws of which are mounted the contacts mounted one on the anvil and the other on the chopper and connected by conductors with a chuck mounted on a clamp with a cartridge into which an electric lamp is screwed, closing the circuit. 2. The form of the device according to claim 1, characterized in that the jaw opposite ends of the tongs are provided with a scale and a pointer for counting the distance between the contacts of the chopper. / 2 i ig.2 FIG. I Fig-3