Vacuum cleaner with foot-actuatable switches

摘要

The vacuum cleaner (1) has a motor-driven blower (2) for generating a negative pressure while driving a fan motor (3) with a control device (11). A main switch (7) is arranged for performing ON and OFF of a power supply (4) for supplying power to control device. The data memory (13) provided in control device for storing the preset blower power value The auxiliary switches (9,10) are arranged for adjusting a blower power value. An evaluation circuit (12) is arranged to prevent approximately simultaneous actuation of main switch and auxiliary switches.