Ecologically efficient vacuuming device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9877627
SERIAL NO

14006593

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Abstract

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The invention relates to a vacuum cleaning apparatus comprising a vacuum cleaner and a filter bag. When using an empty filter bag, said vacuum cleaning apparatus has a quality factor QWun (defined as QWun=(hsaugun/hfbarun)×ψ where hsaugun is the vacuum, in [kPa], according to EN 60312, of the vacuum cleaning apparatus with an empty filter bag, hfbarun is the vacuum, in [kPa], in the filter bag-holding compartment with an empty filter bag, and ψ is the filtration efficiency, in [%], of the filter bag material) of more than 25, preferably more than 30, and/or when using a partly filled filter bag, the vacuum cleaning apparatus has a quality factor QWteil (defined as QWteil=(hsaugteil/hfbarteil)×ψ where hsaugteil is the vacuum, in [kPa], according to EN 60312, of the vacuum cleaning apparatus with a partly filled filter bag, hfbarteil is the vacuum, in [kPa], in the filter bag-holding compartment with a partly filled filter bag, and ψ is the filtration efficiency, in [%], of the filter bag material of more than 13, preferably more than 15, especially preferably more than 17.

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Patent Owner(s)

Patent OwnerAddress
EUROFILTERS N VLIEVEN GEVAERTLAAN 21 NOLIMPARK 1013 B-3900 OVERPELT BELGIUM

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sauer, Ralf Overpelt, BE 99 438
Schultink, Jan Eksel, BE 86 628

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