2024 Author: Erin Ralphs | [email protected]. Last modified: 2024-02-19 11:41
The car's engine is its heart, the stop of which, as you know, inevitably leads to death. In order to avoid any unpleasant surprises, the power unit needs constant care, as well as preventive measures in the form of timely replacement of lubricants, coolants, filter elements.
Engines are divided into categories by volume, type of fuel, by power, by the class of cars on which they are installed. According to the second criterion, many subcategories can be distinguished: carburetor, injector, with mechanical or electronic injection, with central or distributed. Diesel engines are more efficient than gasoline engines and therefore have better performance for the same displacement.
Displacement is the volume released when the piston is at bottom dead center. To find it, you need to multiply the piston stroke by the area of \u200b\u200bits bottom. In order for the car engine to work stably, without interruptions and vibrations, the cylinders are combined into blocks, in addition, in this way the power and efficiency increase.
Consider the principle of operation of the engine of the internalcombustion, the block of which has 4 cylinders. Why 4? Because the full cycle of modern engines has 4 strokes, therefore they are called 4-stroke. Suppose the engine operation scheme is as follows: 1-3-4-2.
The strokes are named in order: intake, compression, stroke and exhaust (exhaust). Thus, according to the scheme, when the first cycle is in the first cylinder, in the second - the second, in the third - the fourth, in the fourth - the third. The discrepancy between the latter is dictated by such a condition that the working stroke is made through one cylinder. This is done so that the operation of the engine is uniform. This will prolong the life of the appliance.
In order for a car engine to develop full power, timely execution of all processes is required, such as fuel injection, which can come through intake valves or through high pressure injectors, sparking on the spark plug electrodes, or ignition of the mixture under pressure, as in the case of diesel engines, as well as the opening of the exhaust valves to release the exhaust gases.
In addition, attention should be paid to such "little things" as the quality of the gasoline being poured. The word is not in vain put in quotation marks, since this factor is quite important, therefore, before any engine settings, you should make sure of the quality of the filled fuel, especially diesel, since many foreign-made cars are quite picky about domestic diesel fuel.
A car engine will last longer ifwarm it up before driving. To do this, it is advisable to install a preheater, since starting the device at a temperature below +20 and warming up to working 90 is equivalent to a run of 500 km, and this is a rather long trip.
From the above it follows that the observance of simple operating rules, as well as the use of proven fuels, lubricants and coolants, leads to an increase in the resource of the power unit.
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