A new anti-vibration product that uses wire friction to improve the weak points of rubber, such as temperature dependency and heat resistance (all inorganic material composition)
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Welded disk spring 2025 JSAE Automotive Engineering Exposition Chuo Spring Co., Ltd.
- Gears and bearings are integrated to realize downsizing of the reduction gear unit, improvement of gear strength, and reduction of bearing torque loss. - The bearing outer ring, which used to be press-fitted, is now integrated with the gear. Gear outer diameter is reduced by 10%.
-Gears and bearings are integrated to realize downsizing of the reduction gear unit, improvement of gear strength, and reduction of bearing torque loss. The bearing inner ring, which was conventionally press-fitted, is now integrated with the shaft. Bearing outer diameter has been downsized by 10% and bearing torque loss has been reduced by 30%.
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SmartBar - Disconnecting stabilizer bar 2025 JSAE Automotive Engineering Exposition American Axle & Manufacturing Holdings, Inc.
An integrated circuit of motor driver and electromagnetic brake for small single-person mobility vehicles. Aisan Industry's motor control technology makes up for the low accuracy of the Hall sensor, and it's motor control technology makes use of the motor's power generation characteristics to realize a function that prevents backsliding on hills. Further performance improvement is expected through software updates.
The conventional rotary type has been replaced by a sliding type to reduce size and improve layout flexibility. The sound and light effects are changed by gears to prevent mis-operation.
To improve comfort and collision safety, the system uses a motor for winding. It winds up forcefully in an emergency and generates vibrations to inform the driver when fatigue or drowsiness is detected. The softness and feel of the belt itself have also been improved. The leftmost model is the newest.
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Shunt-type current sensing module 2025 JSAE Automotive Engineering Exposition Nisshinbo Holdings Inc.
Detects current around EV batteries and motors. The accuracy has been improved by using a shunt type instead of the conventional magnetic type. *Presented by Nisshinbo Micro Devices
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Side cooling system for batteries 2025 JSAE Automotive Engineering Exposition Sumitomo Electric Industries, Ltd.
-Power semiconductors (SiC devices): The production efficiency has been greatly improved by using the gas process instead of the conventional sublimation process, which has reduced the growth time to 1/15, and by expanding the size from 6 to 8 inches. -Analog semiconductors (gate drive IC): Inverter efficiency is increased by 10% by reducing losses through higher output. An error detection function ensures safety at high output.
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Seat 2025 JSAE Automotive Engineering Exposition NHK Spring Co., Ltd.
The company's Seat Division, Spring Division, and Research & Development department have combined their strengths to develop a seat that absorbs sway and improves ride comfort. The black parts are softened to soften the impact on the head while reducing the movement that pushes the body forward.
This aluminum cooler is manufactured using laser bonding instead of brazing. This has succeeded in reducing costs and improving productivity. It also supports multi-materials, combining lightweight aluminum with copper, which has excellent heat dissipation properties.
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Various fuel cell vehicle parts 2025 JSAE Automotive Engineering Exposition Rheinmetall AG
The structure is largely the same as that for gasoline vehicles, but improvements have been made, including a change to a casting material that is less prone to hydrogen leakage and the use of low-conductivity coolant to prevent rusting.
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Bionic Fan 2025 JSAE Automotive Engineering Exposition MAHLE GmbH