Conventional mechanic differentials used in transportation and industrial systems function mechanically. As result, they suffer wear and tear and require regular lubrication and maintenance. This can make their use challenging, particularly in applications in remote or hostile environments such as wind turbines, mines, deserts and space.
A novel magnetic differential system, made of two interconnected magnetic gears, has been shown to be applicable to most road and railway vehicles. It operates by transmitting torque from one input shaft to two output shafts rotating at different speeds. It can connect to any source, such as an electric or heat engine and it utilises smart electronic control, eliminating the need for lubrication or maintenance. In addition, since there is no contact with the shaft it reduces vibration; it can function at temperatures limited only by the magnet’s temperature range and has elevated conversion efficiency. It can also be integrated with an existing active control vehicle safety system.

TRL 4 / 9

Inventors

Alotto
Piergiorgio

Filippini
Mattia

Repetto
Maurizio

Bonisoli
Elvio

Cirimele
Vincenzo

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PoC@Unipd project

With the aim of supporting the competitiveness of businesses by enhancing industrial properties, the Ministry for Economic Development (MISE) has published a call for the establishment of patent enhancement programs, through funding of Proof of Concept (PoC) projects by Italian Universities, Public Research Institutions (EPR), and Scientific Institutions for Research, Hospital and Healthcare (IRCS).

Purpose of the call is establishing TRL (Technology Readiness Level) enhancement paths for technologies patented during academic research, and create the conditions to turn them into strategic opportunities for the business world.

After careful examination of the project proposals received by the Ministry Evaluation Committee, the University of Padua ranked 4th in the classification, and was authorized to develop 9 PoC projects.

The projects were selected by the University through an internal call and the program took the first steps in February 2021. From that moment on, the PoC Team started to work to validate the relevant technologies. The academic work team has been flanked by an external Expert Committee, comprising top scientific and professional resources (investors and entrepreneurs), capable of providing a respected standpoint on all strategic and planning choices.

UniSMART – Fondazione Università di Padova was tasked with managing the enhancement of the results of 9 projects, through its highly qualified, innovation-oriented staff, in the different PoC project sectors.

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