In a simple planetary gear mechanism,the sun wheel is located in the center of the planetary gear mechanism,and the sun wheel and the planet wheel are always engaged.
The two outer gears engage and rotate in opposite directions.Just as the sun is at the center of the solar system,the sun's wheel gets its name from its position.
In addition to the planet wheel can rotate around the supporting axis of the planet rack,in some conditions,it will also be driven by the planet rack,rotating around the central axis of the sun wheel,which is like the rotation of the earth and the revolution around the sun.When this happens,it is called the transmission mode of the planetary gear mechanism.
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In the average person's impression, the displacement of 1.6 is less than the displacement of 2.0, and the displacement of 2.0 is more than 2.7. Then the question is, will the displacement be large? Today we will talk about the factors that affect the engine's fuel consumption.
1. The engine technology with equal displacement is the key to believe that everyone is relatively agreeable, and the engine of new technology will generally have more fuel economy than the engine of the old technology. The gear ratio of the engine transmission part is matched, and the engagement of the clutch has a certain influence on the fuel consumption. In terms of engine construction, the development of technologies such as intake technology, exhaust technology, piston rail diameter, crankshaft connecting rod, etc. all have an impact on fuel consumption. Therefore, the engine of the new technology still has advantages over the engine oil of the old technology.
2, vehicle weight is also an important factor to understand well. In the same vehicle, the fuel consumption of sitting and sitting five people is more obvious. Then the quality of the two different cars is different, and the fuel consumption is naturally different. The quality of cast iron and cast aluminum engines is much poorer, affecting vehicle weight and fuel consumption. The greater the engine displacement, the greater the oil consumption today to explain the truth 3, is also the same four-wheel, four-wheel drive is more fuel-efficient than the two-wheel drive four-wheel drive system is the landing of the four wheels to distribute power, need a lot of transmission pumping power transmission, which is invisible As a result, the consumption of power and the increase in the weight of the vehicle are generated, resulting in more fuel consumption.
4. The working environment of the small horse-drawn carts that consume more fuel is also an important factor influencing fuel consumption. If the BMW five-series is replaced by Corolla's 1.6L engine, it is tantamount to a small horse-drawn cart. The quality of driving does not say that fuel consumption will be surprisingly high. With poor power mix, fuel consumption will increase and the advantage of fuel economy will disappear.
5, vehicle conditions will also affect fuel consumption A 200,000-kilometer old car and a 10,000-kilometer new car fuel consumption is certainly a difference. The condition of the engine and the depreciation of the transmission naturally consume fuel. It's better to give your old car a full-body check-up, clean up the carbon deposit, replace the good engine oil, and let the car change from a new spring.
In addition, tire friction, wind resistance, driving habits, road conditions, climate and other factors will affect the car's fuel consumption. Therefore, it is very important for us to maintain our own cars in daily life and develop good driving habits.