Wall mounted speed regulator for a BLDC motor driven ceiling fan. The regulator  comprises an AC-DC converter  mounted on a wall and connected to an AC supply  and to a DC controller  provided with a speed controller knob . A DC-AC converter is mounted in the housing of the BLDC motor  and connected to the AC-DC converter by cables  and to the BLDC motor by cables  (Fig 1).

Indian patent application no. 542/MUM/2011

Inventors: B G Fernandes, Sandeep Anand