| 摘要 |
PCT No. PCT/SE94/00002 Sec. 371 Date Aug. 23, 1995 Sec. 102(e) Date Aug. 23, 1995 PCT Filed Jan. 3, 1994 PCT Pub. No. WO94/15519 PCT Pub. Date Jul. 21, 1994A vacuum cleaner includes a suction fan driven by an electric motor, a suction nozzle connected to the intake side of the fan via a dust container, and a cord to supply electric power to the motor. The motor is electronically controlled and adapted to be driven at a speed such that the suction fan operates at a speed of at least 50,000 rpm. The suction fan comprises a fan Impeller of the turbo fan type. |
