Asst. Prof. Salman Hussein Omran from Energy and Renewable Energies Technology Center-University of Technology/IRAQ, with a research work team from the University of Technology/IRAQ get a global patent from the US Patent Office under the number US2020/0318715 A1 on 8 Oct. 2020:
Title of the patent
Torsional Spring Tensioning System for a Power Transmission Chain
The present invention introduces the use of a pre-tensioned torsional spring attached to a power transmission chain link to keep the chain in constant tension without loosening and improve chain durability.
Its advantages are Simple mechanism, low manufacturing cost, low maintenance cost, easy installation and replacement