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1. (WO1999013761) VACUUM CLEANER

Pub. No.:    WO/1999/013761    International Application No.:    PCT/GB1998/002745
Publication Date: Mar 25, 1999 International Filing Date: Sep 11, 1998
IPC: A47L 5/30
A47L 9/04
A47L 9/24
A47L 9/28
Applicants: NUMATIC INTERNATIONAL LIMITED
DUNCAN, Christopher, Robert
GAILES, Michael, Edward
Inventors: DUNCAN, Christopher, Robert
GAILES, Michael, Edward
Title: VACUUM CLEANER
Abstract:
The present invention relates to vacuum cleaners, and in particular relates to methods of improving the efficiency of the cleaning action. According to the present invention there is provided a vacuum cleaner comprising vacuum means for providing suction, which vacuum means is adapted to be powered by a supply of high voltage alternating electric current, a nozzle portion remote from the vacuum means and including an electrically powered surface treatment device, characterized by low voltage power generation means for the treatment device in which a low voltage power supply is derived from the high voltage power supply to the vacuum means, by the said high voltage supply being isolated from the ancillary device and by electrical connection means provided between the treatment device and the low voltage generation means.