Location History:
- Bonneuil sur Marne, FR (1999)
- Evry, FR (2005 - 2013)
- Chevilly la Rue, FR (2014)
- Combs la Ville, FR (2013 - 2018)
Company Filing History:
8 out of 369 
2 out of 69 Years Active: 1999-2018
Title: Innovations of Jean-Marc Dubus
Introduction
Jean-Marc Dubus is a notable inventor based in Evry, France. He has made significant contributions to the field of electrical engineering, particularly in the development of devices for motor vehicle alternators and rotary electrical machines. With a total of 10 patents to his name, Dubus has demonstrated a commitment to innovation and technological advancement.
Latest Patents
Among his latest patents is a device for controlling a motor vehicle alternator. This invention relates to a device that manages the DC voltage generated by the alternator according to a predetermined set voltage. It achieves this by monitoring the intensity of the energizing current flowing through the alternator's energizing circuit. The device features both a voltage-control loop and a temperature-control loop, which includes a temperature sensor that provides the current temperature of the alternator components. This system ensures optimal performance by adjusting the energizing percentage based on temperature errors.
Another significant patent is a magnetic device for determining angular position in a multiphase rotary electrical machine. This invention focuses on selecting the optimum characteristics of a magnetic device that produces a sinusoidal signal for angular position determination. The device consists of a multi-polar magnetic ring that rotates around an axis, creating a variable magnetic field. A magnetic sensor placed near the ring generates the sinusoidal signal, achieving optimum performance through specific ratios of the ring's dimensions.
Career Highlights
Jean-Marc Dubus has worked with prominent companies in the automotive and electrical sectors, including Valeo Equipements Electriques Moteur. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Throughout his career, Dubus has collaborated with talented individuals such as Roger Abadia and Ertugrul Taspinar. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Jean-Marc Dubus is a distinguished inventor whose work has significantly impacted the field of electrical engineering. His innovative patents and collaborations reflect his dedication to advancing technology in the automotive industry.