Technical characteristics of engine

1, the engine valve drive mechanism adopts the structure of hydraulic bearing ball rocker arm. Compared with the hydraulic tappet valve drive mechanism widely used in general gasoline engines, this new valve drive mechanism has the advantage of relatively small friction torque, so it requires less driving force, which can effectively reduce the power consumption and fuel consumption of the engine.

2. In order to effectively reduce the weight of the whole vehicle, the 1.4 liter gasoline engine adopts aluminum alloy cylinder block, which achieves a very obvious lightweight effect.

3. Replacing the traditional metal intake pipe with the plastic intake pipe made of special materials and technology can not only achieve the effect of lightweight, but also effectively reduce the wall resistance of the intake pipe, improve the intake efficiency and increase the engine power.

4. The expanding and breaking connecting rod processed by advanced technology is expanded and broken by special expanding and breaking equipment to replace the original sawing and grinding process. In this way, the serrated "Huff" surface of the connecting rod can be used to ensure absolute and accurate fastening and positioning, thus reducing friction and prolonging the service life of the connecting rod.

5. Compared with the original camshaft, the hot sleeve camshaft can not only reduce the weight of the camshaft, but also achieve higher cam profile accuracy and more accurate valve timing.

6. The throttle adopts electronic control device, also known as E-GAS electronic throttle. The control device can coordinate and reasonably manage the instantaneous requirements for engine torque and output power under various working conditions such as driver's acceleration, overtaking and starting air conditioning. The running state of the engine at each working point is always in the best range, which can not only meet the requirements of low emission and low fuel consumption, but also optimize the driving performance of the whole vehicle.

7. Improving the layout of the engine intake system can effectively reduce the intake temperature, increase the intake density, and make the engine output more power on the basis of improving the charging efficiency. The specific improvement is to arrange the engine air inlet pipeline on the left side of the engine front module and above the cooling water tank.

8. In order to improve the corrosion resistance of the cooling water tank and prolong the service life of the water tank, the cooling water tank fins arranged in the front module of the engine are all covered with plastic.

9. In order to prevent the engine from being damaged by collision and friction between the bottom of the engine oil pan and the uneven road surface, a metal guard plate is specially installed under the oil pan.

10. In order to effectively insulate heat, sound and vibration, so that it will not be introduced into the passenger compartment, which will affect the ride comfort, a heat insulation shielding plate is added to the exhaust pipe of POLO car.