University of Malta
 

Brushless Motor
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Brushless Motor
Project Number: KD01JCI

 

The Invention 

Our invention relates to an electrical generator, particularly a converter generator which presents a low static torque and is capable of providing high voltage output at low driving speeds. It optimises the use of the magnetic material by using a permutation of connections with the possibility of providing a poly phase motor. The windings and magnets are positioned in way to provide a phase shift thereby resulting in a smoothed DC output after rectification without the need for regulation.
 

Novelty  

By optimising the use of magnetic material and copper, as well as eliminating the need for regulation, our solution delivers a number of advantages such as exploiting the optimum power out of the magnetic material, reducing overall size of the drive for the same power output and offering a better power to cost ratio. The main cost reduction comes from the reduction in use of rare earth metals.

Ultimately, it reduces cogging, increases efficiency and obtains better power to size ratio. On the other hand, it also addresses the problems with the prior art such as sensitivity of capacitors to temperature, contaminants and corrosive or catalytic materials (e.g. salty, marine environments).

 

Applications / Industries 

Application areas include a variety of contexts with wide temperature ranges, severe mechanical strains, high levels of ventilation, high levels of dust and chemically aggressive vapours, high humidity and very dry environments, such as in:

  • Renewable energy sources (e.g. wind turbines, hydropower)
  • Remote installations (e.g. off-shore wind farms)
  • Railway applications
  • Textile manufacturing and handling
  • Food manufacturing
  • Wood drying
  • Plastics manufacturing
  • Cooling plants or plants used in polar environments


Development Status 

An advanced working prototype has been developed as shown in image below.

brushless motor 

 

Intellectual Property Status 

The University of Malta submitted a patent application (application no. 1421787.1) in the United Kingdom.


Commercial Interest

We are looking for potential licencees and collaborators to manufacture and sell our invention.


Lead Originator & Relevant Publications 

Prof. Joseph Cilia

Research in the Department of Industrial Electrical Power Conversion [Link]


 

Download summary [PDF]


Interested? Contact Andras Havasi or the Knowledge Transfer Office

Calendar
Notices
TAKEOFF Seed Fund Award- Applications Open!
TAKEOFF Seed Fund Award to support entrepreneurs and researchers
Launching Funding Fridays
Drop into Level 3, Dar Guzeppi Zahra every Friday for funding support. 

Funding Fridays is an initiative of the Knowledge Transfer Office and the Project Support Office offering the academics dedicated support services in relation to European and national research funds in order to increase application and success rate. 
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Last Updated: 29 September 2016

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