Darmstadt, 17 November |

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Vibracoustic Provides First Air Springs System Including ECU and Software

Vibracoustic developed an air springs system, providing both excellent comfort and dynamic performance for a sporty SUV of an European premium car brand. The system features innovative switchable three-chamber air springs with actively controlled shock absorbers, the electronic control unit (ECU) including software and the integration of the system components into the full vehicle system.

The switchable three-chamber air springs from Vibracoustic offer a great level of flexibility. They can switch individual air chambers on and off and therewith allow the stiffness of the springs to be doubled over four different settings – from soft to stiff. The Vibracoustic ECU not only controls the air springs but also integrates the shock absorber application software. It therewith actively controls the shock absorbers regarding jounce and rebound individually by controlling all eight shock absorber valves. The combination of switchable air springs and actively adjustable dampers gives a wider choice in comfort and dynamic performance for the sporty SUV and provides an outstanding suspension performance.

By providing not only the air springs but also the ECU for the air springs system, the software and the integration into the full vehicle system, Vibracoustic provides a pre-validated air springs system specifically tailored to the needs of the customer.

“With over 20 years of experience in developing and producing air springs for the automotive industry, it was still a very special project for us to deliver not only our three-chamber air springs but also our own ECU and software. The system perfectly fits the needs of our customer to realize an outstanding off-road performance while securing the dynamic and sporty performance of the premium SUV,” states Jörg Böcking, CTO at Vibracoustic.

Air spring suspensions are increasingly popular as they fulfill various demands for improved comfort as well as optimized driving dynamics. They can keep the vehicle at a constant level, raise and lower the ride height to tackle a wide range of terrain or adjust the degree of stiffness, depending on the driving situation.

With a dedicated team of air springs, system, software and ECU hardware engineers as well as comprehensive air springs expertise, Vibracoustic supports manufacturers throughout the whole development process to improve their vehicle’s driving comfort and handling. This ranges from defining the requirements of various components and their characteristics to developing and specifying entire ECU, including their base and application software for all kinds of air springs systems.

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Weinheim, April 24,

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Vibracoustic engineers and supplies two-chamber air spring system for XPENG G9 all-electric SUV

Vibracoustic, a leading global automotive noise, vibration, and harshness (NVH) expert, has worked with a leading intelligent EV maker, XPENG, to design, develop, and manufacture switchable two-chamber air springs for the new XPENG G9 battery electric vehicle (BEV). The solution provides two distinct levels of stiffness, allowing the vehicle to adapt to different loads and road conditions.

The increasing diversity and popularity of fully electric SUVs are matched by the need for innovative suspension technologies. The increased weight, the protection of the high-voltage battery and general efficiency increase demands are just a few of the new challenges, which BEV OEMs are poised to address. Air suspensions can address these challenges and provide a host of benefits, particularly valuable for electric vehicles.

As world leaders in passenger vehicle air spring solutions, Vibracoustic worked with XPENG to design, develop, and manufacture two-chamber front- and rear-axle systems for their large electric SUV – the G9. It is the first Chinese OEM customer and vehicle program to adopt this advanced ride technology from Vibracoustic. XPENG leveraged Vibracoustic’s extensive engineering resources and experience, working closely with the engineers at the Vibracoustic Air Spring TechCenter.

Vibracoustic’s switchable air springs allow for greater flexibility and increased comfort. They keep the vehicle at a constant level, regardless of load. They can also improve aerodynamics for greater efficiency by lowering the car at higher speeds. The two-chamber air springs found in the G9 enable effective roll stabilization, making them a perfect solution for customers seeking improved comfort and driving dynamics in high- and medium-segment vehicles. They provide two stiffness levels offering a more dynamic or a more comfortable mode. For BEVs like the G9, they can also optimize airflow under the car for passive battery cooling and to maintain a minimum ground clearance for battery protection. They can provide the ability to easily modify compression and rebound response rates to suit vehicle and terrain conditions and finetune driving dynamics and comfort characteristics of the vehicle.

The system in the G9 was designed, developed and manufactured in Hamburg using an innovative hot gas welding process. The process enables significant weight reduction of the ‘top pot’, of up to 30 per cent, as well as more efficient packaging within the suspension volume – an important consideration for BEVs with large batteries. Vibracoustic also provided the rear jounce bumpers for the G9, which sit directly on top of the air spring. The jounce bumpers absorb energy from irregular road events like bumps or potholes. They were manufactured locally, at Vibracoustic’s plant in Wuxi, China.

Dr Jörg Böcking, CTO at Vibracoustic, commented: “Vibracoustic has engineered and supplied multi-chamber air springs to some of the world’s largest OEMs. It was a pleasure working with the team at XPENG to develop and produce a bespoke two-chamber system that offers the right combination of performance and comfort for the G9. We look forward to future collaborations with the XPENG team and wish them much success with this impressive car.”

Don Guo, VP of XPENG Automotive Technology Center, added: “We are excited to partner with Vibracoustic, a leading supplier of air springs, to provide our customers with a smooth and comfortable ride experience. The G9 model is designed to offer the best of both worlds: performance and efficiency, and we believe that Vibracoustic’s air spring is a perfect match for our vision.”

Contact us to discuss your requirements of Vibracoustic Air Springs. Our experienced sales team can help you identify the options that best suit your needs.

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