Daniel Ehanno

Title: Daniel Ehanno: Inventor in Electrical and Pumping Systems

Introduction

Daniel Ehanno is an inventor associated with Angoulême, France, and Moteurs Leroy-Somer. His work includes inventions involving alternator systems and the reliable operation of hydrocarbon-pumping equipment. The provided information credits him with 2 patents.

Latest Patents

**Electromechanical Assembly Comprising an Alternator.** This invention describes an assembly with a wound-rotor alternator, a regulator that controls its excitation, and a rectifier that supplies a continuous bus. A booster circuit, connected to the alternator through a filter, also supplies voltage to the bus.

**Installation for Pumping Hydrocarbons, Module and Method.** This invention concerns a hydrocarbon-pumping installation with a submerged pump driven by a motor and powered through a variable-frequency drive. An electricity-storage element connects to the drive’s DC bus through a reversible DC-DC converter, allowing the storage element to supply the drive if the external power network is interrupted.

Career Highlights

Ehanno’s listed patents address electrical power conversion and continuity of power supply. The alternator assembly combines regulation, rectification, and voltage boosting, while the pumping installation incorporates energy storage to help maintain operation during a network interruption.

Collaborations

The provided information lists Jean-Marie Andrejak and Christian Andrieux as Ehanno’s coworkers. It does not specify their roles or contributions to the patents.

Conclusion

Daniel Ehanno’s two listed patents reflect work on alternator technology and resilient power systems for hydrocarbon pumping, alongside his association with Moteurs Leroy-Somer.