[XCAR Information Original]
As we all know, engine, gearbox and chassis are the three key components of an automobile, and they are also the core technologies that a vehicle manufacturer must master. In the last article, we talked about the achievements of independent brands in engine research and development. In the early stage, independent manufacturers mostly used imitation and purchase to obtain engine technology. Compared with engines, the lack of self-owned brands in automatic gearbox technology is more obvious. The research and development of automatic gearbox is difficult, with high technical content, and it is difficult to imitate in a short period of time, which makes it impossible for self-owned brands to develop automatic gearboxes that can be applied on a large scale at present.
Technical blockade! Automatic gearbox inventory of dozens of autonomous vehicles
There is a great demand for automatic gearbox in the market, and the demand is still growing, which makes independent brands can only obtain automatic gearbox by purchasing. However, the lack of their own technology and the restrictions of foreign gearbox manufacturers also lead to the limited choice of automatic gearbox for independent brands, and most of the products they carry do not have much technical advantage. Today, what we are going to introduce to you are several automatic gearboxes that are common in our own brand models.
● AT gearbox
Manual gearbox is mainly composed of gears and shafts, which produce variable speed and torque through different gear combinations; The automatic gearbox AT is composed of hydraulic torque converter, planetary gear and hydraulic control system, which realizes variable speed and torque by means of hydraulic transmission and gear combination.
Hydraulic torque converter is the most characteristic component of AT gearbox, which is composed of pump wheel, turbine and guide wheel, and directly inputs engine power to transmit torque and clutch action. Pump wheel and turbine are a pair of working combinations, which are like two fans placed opposite each other. The wind from one active fan will drive the blades of the other passive fan to rotate, and the flowing air — — Wind becomes the medium of kinetic energy transfer.
Hydraulic torque converter of conventional automatic gearbox
If air is replaced by liquid as the medium to transfer kinetic energy, the pump wheel will drive the turbine to rotate through the liquid, and then a guide wheel is added between the pump wheel and the turbine to improve the transfer efficiency of the liquid. Because the range of automatic speed change and torque change of hydraulic torque converter is not large enough and the efficiency is low, several rows of planetary gears are connected in series behind the turbine to improve the efficiency, and the hydraulic control system will automatically control the planetary gears with the change of engine work, thus realizing automatic gear shift.
Self-owned brand AT gearbox provider 1: Aisin Seiki
Manufacturer profile:Japan Aisin Seiki Co., Ltd. is one of the world’s top 500 enterprises and the ninth largest auto parts manufacturer in the world. Founded in 1949, the company is the main supplier of Toyota auto parts, and its auto parts manufacturing technology is world-famous.
Aisin Seiki provides AT gearboxes for most domestic independent manufacturers.
Aisin Japan Co., Ltd. is an import and export trading company specializing in auto parts, auto warranty equipment, hardware, mechanical equipment, power tools and other products. About 95% of the company’s sales come from auto parts, but the company also manufactures refrigeration equipment and cutting machines, as well as consumer products such as beds and sewing machines. Aisin Seiki has subsidiaries in the United States, Europe, Asia and Australia.
Roewe 750
Aisin Triple-Mode five-speed automatic manual transmission
Named KV6, the 2.5 V6 engine is mounted on the Roewe 750, SAIC’s first self-owned brand model. It is said that it is of the same ancestry as the Land Rover Freelander in the UK, and it is also made of aviation-grade all-aluminum material in terms of materials, which not only reduces the weight by 40%, but also improves the efficiency by 20%, and can explode 135KW at 6500 rpm. With EVIC-III intelligent dual-valve variable air intake control technology, the maximum power is 135KW/6500rpm and the maximum torque is 240Nm/4000rpm.
SAIC Roewe 750
Roewe 750 gearbox comes from Aisin.
Matching this V6 engine is a five-speed Triple-Mode intelligent adaptive automatic gearbox from Aisin-Warner, Japan. There are three modes: normal mode, sports mode and snow mode. In sports mode, you can obviously feel the rise of power level.
Roewe 550/MG6
Aisin 5-speed Tiptronic gearbox
Roewe 550 is equipped with a 1.8L ordinary aspirated engine and a 1.8T turbocharged engine respectively. The 1.8T all-aluminum engine can output the maximum power of 118kw horsepower at 5500 rpm and the maximum torque of 215Nm at 2500-4500 rpm. Numerically, the Roewe 550 lags behind the Volkswagen engine with the same 1.8T engine in terms of torque output.
Roewe 550 is equipped with Tiptronic five-speed automatic manual transmission provided by Aisin.
Roewe 550 automatic transmission adopts 5-speed Tiptronic automatic manual transmission made by Aisin, which has excellent performance, both the advantages of simple operation of automatic transmission and the advantages of arbitrary manual transmission. However, in actual driving, Roewe 550 is more comfortable, and the power and gearbox are relatively mild, without too intense control.
In addition, MG6, which is on the same platform as Roewe 550, is also equipped with Japanese Aisin Tiptronic five-speed automatic manual transmission. After the driver hangs in manual mode, he can also manually shift gears through the shift paddles behind the steering wheel to improve driving pleasure.
Roewe 350
Aisin 4-speed Multi-Mode automatic gearbox
The 1.5L naturally aspirated engine equipped on the Roewe 350 uses a silent timing chain and a VTi multi-angle continuous variable timing system (variable timing of intake and exhaust), with a maximum power of 80kw/6000rpm and a maximum torque of 135Nm/4500rpm. With 5-speed manual transmission and 4-speed automatic transmission.
Roewe 350
Roewe 350 gearbox is equipped with a four-speed gearbox provided by Aisin.
Roewe 350 is equipped with the 4-speed Multi-Mode automatic gearbox of Aisin Japan, which can be adjusted and corrected according to the driver’s driving habits and road conditions to ensure the smoothness when shifting gears.
Aisin is the main supplier of AT gearbox with its own brand.
Pentium B50
Aixin AQ250 series six-speed automatic manual transmission
Pentium B50 is equipped with Volkswagen’s 4-cylinder 8-valve single overhead camshaft engine, and its technology is old. The maximum power of 74kW/6000rpm and the maximum torque of 145Nm/3800rpm are a little behind in the same displacement. However, this Volkswagen engine, which is also equipped on Jetta and Sagitar, has more than 2.3 million units in China, which means that the maintenance and repair of this engine is more convenient and economical.
Pentium B50 is equipped with 6-speed automatic manual transmission provided by Aisin.
Matching this engine is an Aisin AQ250 series six-speed automatic manual transmission, which is easy to be mistaken for the same one used by sagitar and Bora. Although both are six-speed automatic manual transmission, the Pentium B50 is not Tiptronic six-speed automatic manual transmission, but Aisin’s six-speed automatic manual transmission. This gearbox matches Volkswagen’s 1.6L engine very well.
Pentium B70
Aisin 5-speed automatic manual transmission
Pentium B70 and mazda 6 belong to the same platform model, with 2.3L and 2.0L powertrains. The 2.0L engine is the main engine, equipped with the same 2.0L engine as mazda 6, with the maximum power of 146 HP /6500rpm and the maximum torque of 183Nm/4000rpm, and with S-VT variable valve timing and VIS variable intake manifold technology.
B70 is equipped with a 5-speed automatic manual transmission provided by Aisin.
Like mazda 6, the Pentium B70 is equipped with a 6-speed manual transmission or a 5-speed automatic manual transmission, which is provided by Aisin Seiki.
Guangzhou automobile chuanqi
Aisin 5-speed automatic manual transmission
GAC Chuanqi officially rolled off the assembly line on September 3rd. The first batch of GAC Chuanqi off the assembly line was equipped with a 2.0L engine. This engine did not adopt the direct injection technology previously speculated by the media, but was an ordinary naturally aspirated model with a maximum power of 110kw/6300rpm. Then GAC will launch Chuanqi’s 1.8L model.
Chuanqi will carry a variety of models from 1.8 to 2.4L.
5-speed automatic manual transmission provided by Aisin.
Chuanqi will match the 5-speed manual or 5-speed automatic manual transmission, instead of the AMT gearbox previously speculated by the media. The 5-speed manual transmission is also from Fiat, which is the original manual transmission of Alfa Romeo 166, while the 5-speed automatic manual transmission is from Aisin Seiki, Japan, which is also a very mature and reliable product.
Dongfeng fengshen S30
Aisin Step-gate four-speed intelligent automatic transmission
Fengshen S30’s 1.6L engine equipped with PSA, a partner, has stable and reliable quality. The maximum power reaches 78KW, and the torque output reaches 85% of the maximum at 1,500 rpm, 90% at 2,000 rpm, and reaches the maximum torque of 142Nm at 4,000 rpm.
Dongfeng fengshen S30
Dongfeng fengshen S30 gearbox comes from Aisin.
Fengshen S30 automatic gearbox is equipped with Japanese Aisin Step-gate four-speed intelligent automatic transmission, which is calibrated by German GIF company. The automatic gearbox has mature technology, can automatically learn and remember the driver’s driving habits, and can provide the desired shift mode at any time.
Chang ‘an Yuexiang
Aisin DSS 4-speed automatic transmission
Changan Yuexiang is equipped with a 1.5L displacement engine, with a maximum power of 72kw and a maximum torque of 137Nm, and its maximum torque can be output at 3500 rpm.
Yuexiang is equipped with Aisin DSS 4-speed automatic transmission
Yuexiang’s automatic transmission model matches the original Aisin DSS 4-speed automatic transmission imported from Japan. The biggest feature of this gearbox is that the electronic control replaces the traditional hydraulic control, which realizes life-long maintenance-free and no need to change lubricating oil, and has longer service life, stronger reliability, better ride comfort and economy.
Brilliance Junjie cross
Aixin 4-speed automatic gearbox
Junjie Cross1.5L and 1.6L engines are available. 1.5L engine is 4a151.5l in-line 4-cylinder dual overhead camshaft VVT-i variable valve technology engine independently developed by Brilliance Auto. The rated power of this engine is 75kw/5500-6000rpm, and the maximum torque can reach 135Nm/4500rpm. The 1.6L engine is a Mitsubishi 4G18 1.6L engine from dongan power, with a power of 74kw/6000rpm and a maximum torque of 138Nm/4500rpm.
Junjie cross is equipped with Aisin 4-speed automatic transmission.
Junjie Cross is equipped with Aisin 4-speed automatic transmission, with automatic manual function. Compared with the four-speed automatic gearbox used in the self-owned brand models below 100,000 yuan, its shift smoothness is at the leading level.
Self-owned brand model equipped with Aisin AT gearbox
Independent brand AT gearbox supplier II: Mitsubishi Corporation
On February 1st, 2010, the first auto automatic transmission imported from Japan’s Mitsubishi technology was officially rolled off the assembly line in Dongan Mitsubishi. At this point, Dongan Mitsubishi will be able to provide automobile engines, manual gearboxes and automatic gearboxes.
Mitsubishi engines are widely used in self-owned brands.
The first phase of the automatic gearbox project of Dong ‘an Mitsubishi has been completed, which can produce 4AT and 5AT gearboxes, and has the technical space to upgrade to 6AT, with an annual production capacity of 150,000 units, meeting the power transmission demand of engines with displacement of 1.3L－2.4L.
Brilliance Junjie FRV
Mitsubishi 4-speed automatic manual transmission
Junjie FRV adopts Mitsubishi 4G18S and 4G13S power engines in the whole car series, of which the maximum power of 4G13S engine is 62.5KW/6000rpm. The maximum torque output is 108/4500 Nm/rpm. It will be equipped with a 5-speed manual transmission and a 4-speed automatic manual transmission from Mitsubishi.
Brilliance Junjie FRV
Mitsubishi’s 4-speed automatic gearbox
Self-owned brand AT gearbox supplier 3: Japan JATCO Company
JATCO is the third largest manufacturer of automatic gearbox design in the world. Founded in 1943, JATCO is one of the three largest suppliers of automatic gearbox in the world.
Its business covers Europe, Asia and America, and mainly provides automatic gearboxes for most mainstream vehicle manufacturers such as Nissan, Mitsubishi, Mazda, BMW, Volkswagen, Land Rover, Jaguar, Kia, Hyundai, Daewoo, Changan Ford and Brilliance, with an annual supply of more than 4 million units. Jeep Guide, Dongfeng Nissan Sylphy and Ford Mondeo are all equipped with gearboxes produced by JATCO.
Byd F3
JATCO four-speed automatic gearbox
BYD F3 is equipped with 1.6L and 1.5L power, and the platinum version is equipped with Mitsubishi 4G15S inline four-cylinder /16-valve, using Mitsubishi MVV vertical vortex lean combustion technology. The maximum power can reach 78 kW at 6000 rpm and the peak torque of 134Nm at 4500 rpm. Match 5-speed manual or 4-speed automatic gearbox.
Byd F3
A 4-speed automatic gearbox produced by JATCO.
BYD F3 automatic transmission uses the original imported 4-speed automatic gearbox produced by Japanese manufacturer JATCO. The four-speed gearbox produced by JATCO company has mature and reliable technology, and its matching with Mitsubishi engine is excellent. Mitsubishi Corporation has completed all the vehicle calibration work for the powertrain, and its power performance, fuel economy and maneuverability have reached a high level.
Independent brand AT gearbox supplier 3: Hyundai Motor
In 1967, Zheng Zhouyong founded Hyundai Motor Company. After more than 40 years of development, it has become the largest automobile manufacturer in South Korea and entered the ranks of world-famous automobile companies.
Chery Ruiqi G5
Hyundai 5f25at gearbox
The Ruiqi G5 automatic transmission model will also use the 2.0TCI engine independently developed by Chery, with a maximum power of 116Kw/5000rpm and a peak torque of 250Nm. The 2.0TGDI turbocharged direct injection engine has a maximum power of 144kw/5500rpm and a maximum torque of 290Nm/1800rpm. Due to the large output torque, only the 6-speed manual gearbox is matched.
Ruiqi G5 is equipped with a 5-speed automatic transmission provided by Hyundai.
The 2.0TCI engine of Ruiqi G5 matches the 5AT gearbox provided by Hyundai. This automatic gearbox is 5F25, with five forward gears and the maximum transmission torque of 250Nm.
Independent brand AT gearbox supplier 4: Geely (independent research and development)
Geely panda
Geely JL-ZA 142 fully automatic 4-speed gearbox
Panda uses 1.0L and 1.3L displacement engines. The 1.0L engine has a maximum output power of 50KW, a peak torque of 88Nm when the speed reaches 3600 rpm, and a lifting power of 52kw. CVVT technology is adopted. The other 1.3L engine, code-named MR479Q, has a maximum power of 63kW and a maximum torque of 110N·m, which is basically equivalent to the same displacement engine on the market.
Geely panda
A 4-speed automatic gearbox independently developed by Geely.
The automatic version of Panda is equipped with JL-ZA142 fully-automatic 4-speed gearbox independently developed by Geely. It was successfully developed by Geely after three years of huge investment. It not only won the first prize of scientific and technological progress in China automobile industry, but also won the evaluation of "advanced level of international similar products". This is also the only automatic gearbox with independent intellectual property rights in China. Independent research and development makes panda automatic transmission models have great advantages in price.
Other AT gearbox suppliers
● continuously variable transmission
CVT has no specific gear, and its operation is similar to that of automatic gearbox, but the change of speed ratio is different from the trip stop process of automatic gearbox, but continuous, so the power transmission is continuous and smooth.
The advantages of CVT are as follows: First, the power output of CVT gearbox is linear, and the shifting frustration caused by it also disappears, which is very smooth in actual driving. Secondly, the transmission system of CVT can have infinitely many gears in theory, and the gear ratio, speed ratio and the balance of performance, fuel consumption and exhaust emission in the traditional transmission system are easier to achieve. Finally, the mechanical efficiency and fuel economy of CVT transmission are much better than ordinary automatic transmission, second only to manual transmission, and the fuel economy is much better.
continuously variable transmission
So CVT has no shortcomings? The answer is no, first of all, when starting or accelerating, CVT steel belt or belt is prone to slip, which will affect the power transmission, thus affecting the acceleration feeling. Secondly, CVT steel belt or belt material requirements are relatively high. Although CVT has a simple structure, if it fails, it is generally not a minor problem. This will affect the use of car owners and increase maintenance costs.
continuously variable transmission
One supplier of CVT gearbox: Punch Company of Belgium
Belgian Punch (Bang Qi) Company is a German ZF company specializing in the production of transmissions (including CVT).
Under the premise that international automobile manufacturers have blocked the key technologies in China, Bang Qi is also the only overseas manufacturer that provides CVT gearboxes for domestic independent brands, and the gearboxes provided are not the most advanced products at present, and the actual performance is average.
Southeast V3 Lingyue
Punch VT2 transmission
V3 Lingyue is equipped with 4A91 engine produced by Shenyang Aerospace Mitsubishi, and uses the latest MIVEC variable valve timing system of Mitsubishi Motors, which truly reaches the international advanced level of natural inhalation, with a maximum power of 120 HP and a maximum torque of 143Nm/4000rpm.
V3 Lingyue CVT version adopts intelligent CVT continuously variable gearbox with 6-speed manual gear.
The V3 Lingyue automatic transmission is equipped with a new generation VT2 CVT CVT produced by Punch, a famous transmission company. The transmission adopts the technology, technology and production line of Punch company completely, with 6-speed automatic manual transmission and various intelligent modes such as snow and sports, so that drivers can choose the most suitable driving mode according to their own driving habits and climatic factors.
Great Wall Tengyi C30/ Xuanli/Lingao
Punch VT2 transmission
Great Wall Tengyi C30, Xuanli and Lingao are all equipped with GW4G15 engine. GW4G15 engine is an all-aluminum gasoline engine developed by Great Wall Motor, which adopts double overhead camshaft, 4 cylinders and 16 valves, plastic intake manifold and VVT technology. With a maximum power of 77kW and a maximum torque of 138Nm, this engine can easily achieve Euro IV emission.
Tengyi C30
Tengyi C30 is equipped with CVT gearbox provided by Bang Qi.
Tengyi C30 and CVT continuously variable transmission carried by Xuanli and Lingao are internationally renowned original imported products from PUNCH, Belgium. It is worth mentioning that this type of CVT has also been applied to the old Mini Cooper, and its value has increased by 27.80% compared with that of 4AT transmission at 0-100km/h, 19.30% at 80-120km/h and 18% at 100-140 km/h.
Emgrand EC7
Punch VT2 transmission
Emgrand EC718 is powered by Geely’s JL-4G18 CVVT engine with a displacement of 1.8L The maximum power is 102kW (139HP) /6200rpm and the maximum torque is 172Nm/4200rpm.
Geely emgrand EC718
The CVT gearbox matched with Emgrand EC7 1.8L engine is a VT2 CVT continuously variable transmission from Belgian Punch (Bang Qi) company, which has three modes: manual (6-speed), sports and economy (normal).
BYD G3
Punch VT2 transmission
BYD G3 has four models with 1.5L and 1.8L displacement. The 1.5L model adopts BYD473QB and Mitsubishi 4G15S champion engines independently developed by BYD, the 1.8L model adopts BYD483QA engine independently developed, and the 1.8L automatic transmission model adopts the newly developed CVT continuously variable gearbox, with the maximum output power of 90kw at 6000 rpm and the maximum torque of 160Nm at around 3700 rpm.
BYD G3 is equipped with CVT gearbox provided by Bang Qi.
BYD G3 uses a CVT transmission of VT2 type in Bang Qi. Its technical feature is that it can simulate a 6-speed manual transmission and also has a sport mode.
CVT gearbox supplier II:Jiang Lu Rong da
Hunan Jianglu Rongda Vehicle Transmission Co., Ltd. was established in November 2003. It was established by Hunan Jianglu Machinery Group, Hunan Xicheng Industrial Group and Northern Transmission Company on the basis of the original Hunan Rongda Automobile Electronic Technology Co., Ltd., with a registered capital of 88 million yuan. It is a high-tech company specializing in the development, production and technical services of continuously variable transmission (CVT) of cars in China.
Lifan 620
Lifan 620 CVT still uses the lf479q2 1.5L engine produced by Lifan, with a maximum power of 69kW and a maximum torque of 128Nm at 3500 rpm.
Lifan 620
Lifan 620 gearbox is provided by Jianglu Rongda.
The steel belt, the core technology of CVT gearbox in lifan 620, comes from Bosch. Compared with the ordinary version of AT gearbox, equipped with CVT technology, it can improve power by 10% and save fuel consumption by 10%-15%, with a fuel consumption of 7.5L per 100 kilometers.
Self-owned brand models equipped with CVT gearbox
●AMT gearbox
Automatic mechanical transmission (AMT) is a new type of transmission that electronically controls the traditional dry clutch and manual gear transmission to realize automatic shifting, and its control process basically simulates the driver’s operation. According to the driver’s intention, the electronic control part of AMT gearbox can automatically control the clutch and shift process. More complicated, we don’t need to go into details. In fact, we can imagine the shift process of AMT in this way. His clutch and shift mechanism are controlled by electronic parts, and the shift will be automatic naturally.
Electric control device and hydraulic actuator of AMT
The biggest advantage of AMT gearbox is that it does not need to make too much changes to the existing manual gearbox, and its technical structure is relatively simple, and the cost is not too high for manufacturers. In fact, AMT is a manual gearbox with electronically controlled clutch and shift program, so it is the same dry clutch as manual transmission, so the transmission force is more direct and the fuel consumption is more economical. The ordinary AT gearbox adopts hydraulic "clutch", which will have some losses in energy transmission and slightly higher fuel consumption.
AMT is somewhat similar to an automatic manual transmission.
Of course, AMT has obvious shortcomings, that is, the shift quality is not high and it is prone to frustration. If you don’t step on the accelerator, the car won’t move forward even if you shift into D gear. This is somewhat different from the ordinary AT gearbox.
AMT gearbox supplier: Ma Ruili.
Manetti-Ma Ruili Group is one of the members of the world’s top 500 Italian FIAT GROUP, with a history of more than 90 years. Manetti Ma Ruili, headquartered in Corbetta, Milan, is a multinational group company engaged in the research, development, design and production of automobile parts, systems and components in the automotive industry, and is in a leading position in the design and manufacture of automobile parts and high-tech systems.
Manietti Ma Ruili, a subsidiary of Fiat, which produces AMT, has established a joint venture in Shanghai.
Tianjin FAW Weizhi
Ma Ruili Freechoice AMT
The VIOS 1.3L and 1.5L models are equipped with Toyota engines code-named 8A and 5A respectively, but only the sedan 1.5L automatic flagship model is an automatic transmission model, equipped with Toyota’s 5A+ engine. Although the technology is not advanced, the maximum power of 75kW/6000rpm and the maximum torque of 130Nm/4400rpm are more than enough to propel VIOS’s 1-ton body.
Weizhi
Weizhi is equipped with an AMT semi-automatic gearbox provided by Ma Ruili.
Weizhi automatic gear matches an AMT semi-automatic gearbox provided by Ma Ruili. This AMT automatic manual transmission has five forward gears, and P gear is cancelled, followed by "left, middle and right arrangement", with N gear and R gear on the far right, D gear in the middle, and a lever slot on the far left to switch between "automatic" and "manual" modes. Its disadvantage is that the shift impact is obvious and the ride comfort is not as good as that of the common automatic gearbox.
qiruiqq
Ma Ruili AMT
At the end of 2009, Chery launched two 1.0L models equipped with AMT gearbox, which also increased the number of models equipped with AMT gearbox in Chery QQ3 from the original two to four, with displacement of 1.0L and 1.1L.. The maximum power and torque of the 1.1L engine are 68 horsepower /6000rpm and 90Nm/3500-4000rpm respectively.
Chery QQ3
Chery QQ3 is equipped with AMT semi-automatic gearbox provided by Ma Ruili.
Chery QQ3 AMT model is equipped with a complete set of computer-controlled hydraulic shift system designed and manufactured by Italian Ma Ruili company, which can simulate the driving actions of excellent drivers and choose the best shift timing. According to official data of Chery, AMT model not only saves about 13% fuel than traditional automatic cars, but also saves about 9% fuel than similar manual cars.
Self-owned brand models equipped with AMT gearbox
Extended reading:Real kung fu? Shantou? Detailed explanation of six high-end autonomous engines
Engine is the heart of a car, and it is also one of the core technologies of a car. A car manufacturer can not build seats, tires or multimedia systems, and even a gearbox can be obtained by purchasing. But what is certain is that no international automobile enterprise even introduces engines by purchase. Engine research and development has become the most invested and enthusiastic research and development project of automobile manufacturers, and it can also be regarded as one of the main signs to measure a manufacturer’s technical strength.
Shantou? Real kung fu? Detailed explanation of six high-end autonomous engines
The research and development of self-owned brand engines started from scratch, from imitation to independent innovation. Although there is still a big gap with the international level, there are also many excellent products in just over ten years. If you can’t remember which engines are available at the moment, don’t worry. Below we will present and introduce these independent research and development achievements to you.
Chery 2.0TGDI: Turbocharged Direct Injection Engine in Independent Brand
Vehicle models: Ruiqi G5 and Ruiqi G6.
Technical Keywords: Turbocharging, Direct Injection, Variable Valve Timing
In a word: Turbocharged direct injection technology is no longer the patent of Volkswagen, and Chery’s icebreaking finally made these technologies go down the altar and return to the public.
Chery’s progress in engine research and development is obvious to all. At first, it jointly developed its own ACTECO engine with AVL of Austria. This series of engines are technically quite satisfactory, and there is not much advanced technology applied, and the power output is also very general. However, ACTECO engine laid the foundation for Chery to develop more advanced engines.
Ruiqi G5 2.0TGDI
During this year’s Beijing Auto Show, Chery launched the Ruiqi G5 equipped with a 2.0TGDI engine. In order to promote this engine, Chery spared no expense to hire Messi to endorse it. Regardless of the final influence, this turbocharged direct injection engine is still worthy of recognition.
Chery 2.0TGDI engine
Turbocharger with intercooler (left) Real shot of 2.0TGDI engine (right)
The 2.0TGDI engine of Ruiqi G5 has a maximum power of 144kw/5500rpm and a maximum torque of 290Nm/1800rpm. Several technologies, such as direct injection GDI in gasoline cylinder, turbocharged intercooling TCI and variable valve timing VVT, are applied. Previously, Chery also launched a 2.0TCI engine with a maximum power of 116Kw/5000rpm and a peak torque of 250Nm. From the data. The 2.0TGDI engine has obvious advantages.
The 2.0TCI engine of Ruiqi G5.
The 2.0TSI engine carried by Volkswagen Magotan has a maximum power of 147kw/5000-6000rpm and a peak torque of 280Nm/1800-5000rpm. From the data point of view, the power output of Chery 2.0TGDI engine is almost the same, but in terms of reliability and practicality, Chery 2.0TGDI still needs to stand the test of time.
2.0TGDI engine output characteristic curve
The maximum torque of the 2.0GTDI engine reaches 290Nm, which exceeds the maximum bearing torque of the modern 5AT gearbox of 250Nm, so it is only equipped with a 6-speed manual gearbox, while the 2.0TCI model is equipped with a 6-speed manual gearbox and a 5-speed automatic gearbox.
Ruiqi G5
The body size of Ruiqi G5 2.0TGDI is 4717/1794/1473mm and the wheelbase is 2700mm. Ruiqi G5 adopts the front and rear suspension design of front double wishbone and rear multi-link, and the British Lotus Company participates in the whole process of adjusting the chassis, which can achieve a good balance in sports and comfort.
Ruiqi G6 will be equipped with a 2.0TGDI engine.
In addition, the 2.0TCI engine is also mounted on the Ruiqi G6. The length, width and height of the Ruiqi G6 are 4968mm, 1845mm and 1526mm； respectively. The body size parameters surpass the mainstream B-class cars, such as New Camry, Magotan and even the Eight-Generation Accord, and the 2820mm span is an absolute leader in the wheelbase that reflects comfort. The G6 is equipped with two high-performance engines, namely a 2.0TCI intercooled turbocharged engine and a 3.0 V six-cylinder engine.
