FI69682B - FOER FARING INMATNING AV BRAENSLE I SUGKANALEN AV EN MOTOR - Google Patents

Description

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METHOD OF SUPPLYING FUEL TO THE ENGINE INTAKE

In the process according to the invention, the fuel and any additives are particulate in a controlled manner, both in size and quantity, and fed into the air flowing into the engine.

5 At present, fuel is supplied to the intake-engine by two main methods: the carburettor or the injection. In the former method, due to the reduced air pressure at the throttling point of the flow channel, the fuel flows through the nozzle system into the air flowing. In the latter method, the fuel is supplied to the engine intake duct or combustion chamber by means of a pump using nozzles.

The majority of PTO engines are located in vehicles. In this case, the motor is characterized by a wide range of operating degree and load variations in use. To get the right amount of fuel in all situations, places great demands on the volume control system. In a carburetor-based system, the fuel supply is based on the flow of liquid and 20 gases in the duct. These do not follow the same flow law, so a simple system will not be able to achieve the best situation during variations in the various 2 69682 operating modes of the engine. A functional system is obtained by adding side circuits to the carburetor, which complicates its structure. In a pump-based supply system, the pump and nozzles represent a mechanically wearing and maintenance-intensive structure.

The supply of additives requires the addition of the above-mentioned systems with operating principles to the fuel supply system, whereby the end result is a complex whole. 'Fuel-particulate oscillators placed in the intake manifold are already known, but they cannot control the size of the particles formed, nor can they produce double-layer fuel particles. In order to achieve the stated objects, the method according to the invention 35 is characterized by the elements set forth in the claims. In the device according to the invention, an oscillator placed in the flow channel particles the fuel. The particle size can be adjusted by changing the frequency of the oscillator. As the frequency increases, the particle size decreases. The number of particles, i.e. the mass flow 40, increases as the magnitude of the oscillations increases. The oscillating member is formed by a piezo crystal and resonant plate rings. The fuel travels between the plate rings towards their center, and when detached from the plates, it breaks into particles. The particulate is made to vibrate by means of an electronic oscillator circuit. 45 The amount of fuel according to changes in the operating mode of the engine is controlled by the oscillator, adjusting the amplitude of the oscillation. The water supply has its own vibrator. The combined water-fuel droplet is made by electrically charging the resulting particles into different brands. As the particles coalesce, the fuel 50 forms a layer around the water droplet. The combustion event proceeds from the surface of the composite particle toward its interior. The combined particle lengthens the burning time, allowing the engine piston to better collect mechanical energy.

35 Evaporation of water contributes to the binding of thermal energy that would otherwise have to be removed through the engine cooling system. The generated vapor pressure is utilized for mechanical work.

With one particle, it is possible to particulate two different 50 substances. In this case, the liquids are led to the common liquid chamber of the device. Vibration mixes liquids.

The time constant of the particle is small. This makes it possible to obtain fuel-air mixtures of different concentrations in zones for the flow to the cylinder during one intake phase.

'J * 6 9 6 8 2 65 In the following, the invention will be explained in detail with reference to the drawing.

FIGURE 1. Shows the principle of a particle placed in a flow channel.

FIGURE 2. Shows the fuel and water supply system located in the ot-70 to engine.

FIGURE 1. Shows a split particle. Along the pipe 1. the liquid is led into an annular chamber 2. an oscillating piezo crystal 3. puts the plates 4. and 5 · to vibrate. The liquid travels in the gap between the 4th and 5th of the vibrating plates towards their center-75 t. At crack 6., a particle ring is formed and the particles are ejected radially towards the center. Float system 7 · keeps the chamber 2. liquid.

FIGURE 2. Shows the particulates of Figure 1 mounted in series. Particle 8, which is electrically charged, particle-80 dips the fuel. Particle 9 » having the opposite electric charge is brought into the water.

The charged particles are trapped in the incoming air of the engine and coalesce. The water core of the new particle is covered by a layer of fuel. The flap valve 10. adjusts the flow-85 cross section, as well as the piezoelectric oscillators.

Claims (3)

1. A method of supplying fuel to the intake duct of an engine, characterized in that the fuel is introduced into a narrow gap around the intake duct, the halves of which are caused to vibrate against each other, whereby the fuel decomposes into particles, the amount of which is controlled by the vibration! by adjusting the amplitude and adjusting the particle size by adjusting the frequency of the oscillation and or the gap clearance. Method according to Claim 1, characterized in that the nozzle is placed in succession in the suction duct of the motor and in that different voltages are applied to the nozzles, whereby the particles discharged from the nozzles charge with different electrical charges and merge into two layers of neutral charge in the suction duct. A method according to claim 2, characterized in that water is fed to one nozzle and fuel to the other.