Set sail1992

Chapter 1358 We are the best in the world

Huateng Industrial Group, Small Conference Room No. 4, Automotive Industry Technology R&D Center.

Chief Engineer Tian Tian was explaining the situation to Zhang Qihang, Feng Guoqing and others: "This hybrid engine that our R&D center has just successfully developed was designed around hybridization from the beginning. It can be said to be the world's first native hybrid engine.

In order to reduce the operating resistance of the engine, at the suggestion of Mr. Zhang, we cancelled all the gear train equipment around the engine, such as the starter, generator, vacuum pump, mechanical water pump, air-conditioning compressor, etc. We have electronicized all the equipment that previously required the power of the engine itself to drive.

At the same time, based on the original Atkinson cycle, we have further optimized the engine and increased the compression ratio, from 13 in the current Atkinson cycle hybrid engine to 14.5... Let me add here that we will continue to dig deeper into the compression ratio and further increase it. Our goal is to increase the compression ratio to around 15.5 in the next five years or so. "

"Clap clap clap..."

At this moment, as Chief Engineer Tian Tian finished speaking, warm applause broke out at the scene.

Chief Engineer Tian bowed to everyone repeatedly to express his gratitude.

Chief Engineer Tian Tian is the one who previously helped Cheetah Automobile modify the Black Kong.

Chief Engineer Tian helped with the modification of the Cheetah Automobile some time ago. That was because the main research and development work had been completed, and only some final testing and recalibration work remained. She didn't have to do these things in person, and other teammates could complete them. She took this opportunity to give her brain a break and relax.

Today is the day when Huateng Group's first dedicated engine designed for hybrid vehicles is officially finalized and formally introduced to the group's management. Because everyone has different divisions of labor, before this, many people knew that the group was developing a new hybrid-specific engine, but they were not very clear about what this engine was like because it was not within their management scope. Today, taking this opportunity, Zhang Qihang brought everyone together.

After the applause stopped, Liu Jiang raised his hand and asked Tian Tian, ​​"Chief Engineer Tian, ​​I remember that the thermal efficiency of the engine installed in the Toyota Prius was nearly 37%. May I ask, what is the thermal efficiency of the engine you developed? How big is the gap with the Otter?"

Speaking of this, Tian Tian's face was full of confidence. She bowed slightly to Liu Jiang to show respect, and then said: "President Liu, the thermal efficiency of the 1NZ-FXE engine installed on the Yifeng Prius is 36.8%. This engine was released by Otter in 2003 and was also the engine with the highest thermal efficiency in the world at that time.

  But it is not the case now. Last year, Otter released an engine called 1KR-FE. The thermal efficiency of this engine has reached 37%. This engine is also the most thermally efficient civilian consumer internal combustion engine today!

However, the displacement of this engine is only 1.0, which is not suitable for our national conditions. Therefore, Otter did not introduce this engine into our country, and only produced and used it in Japan.

As for our engine..."

At this point, Tian Tian's face was full of pride: "Mr. Zhang, Secretary Feng and all the leaders, I have good news for you. The maximum thermal efficiency of the engine developed by our Huateng Group has reached 40.1%. Not only has it greatly exceeded the thermal efficiency of Otter and Honda, which were previously famous for their thermal efficiency, but it is also the world's first civilian consumer-grade engine with a thermal efficiency of more than 40%.

From now on, we can finally proudly announce that our group has reached an internationally leading level in the field of internal combustion engines.”

"What's even more rare is that because the engine is originally designed for hybrid operation, in the full-operation MAP diagram, the high thermal efficiency area above 35% accounts for 41.5%..."

At this point, Tian Tian pressed the controller in her hand, and on the huge screen, the PPT flashed and switched to the engine MAP diagram: "Please look at the engine full-operation MAP diagram. The high-efficiency zone covers speeds from 1600 to 4500 rpm. The high-efficiency zone is so large that it covers almost most of the speeds that can be used in daily life.

It can be said that at this stage, our engine is already the pinnacle of ordinary civilian consumer engines. Even if competitors such as Otter and Hongda want to catch up, it will take more than five years to do so. "

Except for Zhang Qihang and Feng Guoqing, who followed and understood the project, everyone else at the scene was stunned after hearing what Tian Tian said:

what? !

  Our Huateng Group not only produces an internal combustion engine that is better than the Otter, but also has the highest thermal efficiency in the world today? The thermal efficiency is over 40%?!

Even though everyone only knew of the existence of this project but did not know its progress and details, they all worked in an automobile manufacturer after all, so they naturally knew what such high thermal efficiency meant to an automobile manufacturer.

Before this, although Huateng Industrial Group also had hybrid engines using the Atkinson cycle, those two engines were not originally designed for hybrid power, but were modified based on existing engines, so the thermal efficiency was not very high, about 34.5%, compared to the 36.8-liter inline four-cylinder gasoline engine code-named 1NZ-FXE with a thermal efficiency of 1.5% installed on the Yifeng Prius, the gap is still not small. But now, we can actually produce the internal combustion engine with the highest thermal efficiency in the world?

For a moment, except for Zhang Qihang and Feng Guoqing who had remained calm, everyone else was so shocked by the news that they even looked a little dazed.

  Why do Huateng Group's hybrid Excelle and hybrid Sylphy consume more than one liter more fuel than Prius?

In addition to the reasons related to the structure of the hybrid system, the Prius's engine with higher thermal efficiency also made a huge contribution. If the engines on the hybrid Excelle and hybrid Sylphy could be replaced with the 1NZ-FEX engine on the Prius, although the fuel consumption of the hybrid Excelle and hybrid Sylphy would still be higher, the increase would be very limited, only about 0.5 liters.

  what?

You ask how I know it so clearly?

Because the engineering and technical team of Huateng Industrial Group actually removed the engine from the Prius and installed it on their own hybrid Excelle for testing.

Now, if Tian Tian and her team are really successful, Huateng Group will not only have a new publicity core, but the competitiveness of the hybrid Excelle, hybrid Sylphy and hybrid Tiggo will also be enhanced again.

Liu Jiang was also a little bit unbelievable, and couldn't help asking again: "Chief Engineer Tian, ​​I don't quite understand why we can achieve such a high thermal efficiency?"

After that, he hurriedly explained: "I don't mean to question you and your team members. I just can't understand it. After all, the thermal efficiency of the oil-stealing otter is only 37%..."

"I understand your doubts," Tian Tian nodded with a smile. After making the world's first engine with a thermal efficiency of more than 40%, she had anticipated that this might happen: "I believe everyone has the same doubts, why can we achieve such a high thermal efficiency.

  It's really hard to implement, but it's pretty simple to explain:

First of all, this engine was designed to match its own hybrid system. It is a deep Atkinson cycle engine designed for hybrid vehicles. The compression ratio of up to 14.5 and the Atkinson cycle contribute greatly to improving thermal efficiency.

The second is what I just said, all the gear train equipment at the front of the engine was removed, and all the mechanical equipment originally driven by the engine was electronicized;

Thirdly, we have taken a series of measures to reduce friction inside the engine, and also made more precise adjustments to the engine ECU so that the ECU can control the fuel injection more accurately. "

Liu Jiang nodded repeatedly and said with emotion: "I don't know much about technical things, but after listening to Engineer Tian's explanation, I roughly understand it. You have worked hard over the past few years."

"It's not hard," Tian Tian was very emotional when she thought of the hard work and efforts in the past few years. But at this moment, feeling the excitement from the heart of her boss, Tian Tian was just happy: "When Mr. Zhang proposed the concept of 'hybrid-specific engine' to us, I made up my mind to make this engine.

The group provides us with such excellent R&D conditions, and allows us to do what we like without any worries in life. For those of us who are engaged in R&D, this is simply a dream come true.”

  The group of people standing behind Tian Tian also nodded repeatedly, agreeing with what Chief Engineer Tian Tian said. Who wouldn't like to be able to engage in a career they like and receive rich career rewards?

Feng Guoqing, Jiang He and others clapped their hands vigorously.

Zhang Qihang took the lead and stepped forward, firmly holding Tian Tian's hand and saying, "Thank you for your hard work, Mr. Tian! Thank you for your hard work, everyone!"

At this moment, Zhang Qihang's eyes were red with excitement: the joy of success is so wonderful.

"It's not hard," Tian Tian's eyes also turned red. "It's really not hard. Mr. Zhang, Secretary Feng, we are all very happy to have made such an engine."

  Feng Guoqing led you with a smile and said, "You guys, don't be so modest. It's so hard to make such an excellent engine.

I won't say anything else. Everyone must eat and drink well later, and have a good rest after the holiday. If you want to go out, go out and relax... Mr. Zhang, have you distributed the bonuses to everyone?"

Zhang Qihang laughed: "Of course it was distributed."

(End of this chapter)