Dana has patented a system for cooling electric motors using a closed-loop coolant pathway. The method involves feeding coolant through a rotating rotor shaft, flowing it outward, directing it through axial holes, and finally exiting through an output-end balance plate. This innovation enhances motor efficiency and longevity. GlobalData’s report on Dana gives a 360-degree view of the company including its patenting strategy. Buy the report here.
According to GlobalData’s company profile on Dana, Differential gear shafts was a key innovation area identified from patents. Dana's grant share as of February 2024 was 56%. Grant share is based on the ratio of number of grants to total number of patents.