Mazda Chuangchi blue sky technology analysis
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Mazda’s “Chuangchi Blue Sky†technology is believed to be well known. On the surface, this technology can save you money and make driving more fun. And for the deep understanding of "Chuangchi Blue Sky", it is estimated that very few people can fully understand. In fact, Mazda's technology is in the same competitive level as Volkswagen's TSI+DSG combination and Toyota's hybrid power. “Chuangchi Blue Sky†has four main features: high compression ratio high efficiency engine, high efficiency transmission gearbox, lightweight body and chassis suspension.
Chuangchi blue sky engine
Mazda Chuangchi Blue Sky Engine uses a high compression ratio and in-cylinder direct injection technology to make the fuel burn more fully. The compression ratio is as high as 13:1, and no fuel is wasted. But high compression ratios also cause some problems, the most difficult is the knock. The ultra-high compression ratio causes the mixed gas in the cylinder to self-ignite due to too much heat. The knocking not only reduces the power, but also increases the engine shake and damages the piston of the engine.
In order to solve the problem of overheating of the mixed gas at high compression ratio, Mazda designed the 4-2-1 exhaust system that will be carried on the car. The system can effectively discharge the high temperature exhaust gas of the cylinder, reduce the temperature of the mixed gas in the cylinder, and increase the intake efficiency. At the same time, Chuangchi Blue Sky Engine can still use the cheaper No. 93 gasoline (Beijing Standard No. 92). Through the significant increase in combustion efficiency, the fuel economy and torque of the SKYACTIV-G have increased by 15% compared to the current 2.0L naturally aspirated engine.
The structure of the 4-2-1 exhaust system is that one and four cylinders share one exhaust manifold, two and three cylinders share one exhaust manifold, and then two exhaust manifolds are combined into one exhaust pipe. The longer length can reduce the interference between the two cylinders of similar exhaust gas, and reduce the probability of the cylinder sucking high temperature exhaust gas. At the distal end of the exhaust pipe, a negative exhaust pressure is also generated, thereby sucking out the exhaust gas in the cylinder, further reducing the residual temperature in the cylinder.
Another major technology for creating energy savings in the Blue Sky engine is to reduce wear. Chuangchi Blue Sky Engine cuts internal losses by 30%, oil pump efficiency by 74%, and pump efficiency by 31%. Reduce the friction of parts with more activities such as pistons, connecting rods and crankshafts by 25%, and reduce the fine friction by 54%. By improving the intake port, the burden on the engine when absorbing fresh air is reduced by 13%. Engine losses are minimized.
Not only that, Chuangchi Blue Sky Engine also joined the automatic start-stop system. When the engine is temporarily stopped, the piston positions in each cylinder are on the same plane, which is more favorable for re-ignition. At the same time, the re-ignition is realized by igniting the remaining mixed gas in the cylinder and starting the motor, which is more energy-saving and efficient.
Chuangchi blue sky full speed domain lock 6-speed automatic transmission
The Mazda Chuangchi Blue Sky gearbox uses a small conventional hydraulic torque converter and is equipped with a multi-plate clutch, and the lock range of each gear is greatly increased by the clutch. The hydraulic torque converter only buffers and transmits the torque when shifting, and the other time relies on the mechanical bite to transmit the torque, thereby improving the fuel economy by 4%-7%.
Thanks to the full gear locking technology, the driving performance is more direct, and it is more sporty without sacrificing comfort. At the same time, Chuangchi Blue Sky Gearbox is ideal for gear shifting in terms of shifting smoothness. It is a smart gearbox.
Chuangchi blue sky body
The Mazda Chuangchi Blue Sky body uses a large number of high-strength and ultra-high-strength steels to reduce the weight of the car and increase the rigidity of the car. At the bottom of the ATENZA body design, the engineer reinforces the floor structure. The two integral girders run through the front and rear suspension fulcrums. This has the advantage of making the body more rigid and dispersing energy more effectively in the event of a collision. Compared with the previous generation of Ruiyi models, ATENZA has reduced the weight by 8% and the strength by 30%.
Chuangchi blue sky chassis
Mazda ATENZA's Chuangchi blue sky chassis, the front and rear suspension have been carefully redesigned. The former McPherson independent suspension increases the caster's reclining angle for better high speed stability, while the large ratio steering mechanism ensures direct steering flexibility and flexibility.
The engine's mounting position is tilted back 10°, allowing the front wheels to move forward 50mm, resulting in a longer wheelbase and ample front footroom, while also increasing speed stability.
ATENZA's rear suspension is still a multi-link independent suspension. Compared to the old Corewing models, the shock absorbers have a longer stroke and improved comfort. In detail, the turning point of the rear suspension tow arm is 43mm upwards compared to the old model, which has the advantage of being more comfortable and effectively suppressing the occurrence of brake nodding.
In recent years, the technical competition in the domestic automobile market has become increasingly hot. First, the introduction of blue-driving technology and hybrid technology has caused strong market reaction. Subsequently, Mazda Chuangchi Blue Sky Technology, which has drawn great attention in the European and American markets, quickly entered the domestic market. Compared with other competitors, Mazda Chuangchi Blue Sky Technology will not let you pay too much for car purchases, and its Zoom-zoom sports concept is more prominent and more fun to drive.
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