Blower unit with speed control circuit board e.g. for domestic vacuum cleaner

摘要

The circuit board 1 of a blower unit used on domestic equipment such as a vacuum cleaner is mounted on the bearing hosing 3 and is held in place by spring clips 2. The clips are formed as pressings and have latching features that engage projections on the housing 4. The sides of the clips have spring arms that press against the board.