US2017172361A1PendingUtilityA1

Vacuuming Apparatus

39
Assignee: EUROFILTERS HOLDING NVPriority: Apr 4, 2014Filed: Mar 12, 2015Published: Jun 22, 2017
Est. expiryApr 4, 2034(~7.7 yrs left)· nominal 20-yr term from priority
Inventors:Ralf SauerJan Schultink
A47L 9/28A47L 5/36A47L 9/1436A47L 5/22A47L 9/122A47L 9/248A47L 9/14A47L 9/22A47L 9/24A47L 9/2842A47L 9/242A47L 9/00
39
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Claims

Abstract

The invention relates to a vacuuming apparatus having a vacuum cleaner, a suction hose which is connected to the housing of the vacuum cleaner, and a filter bag, wherein the cylinder-type vacuum cleaner has a motor/fan unit which is designed in such a way that the average electrical input power of said motor/fan unit lies between 1000 W and 200 W and a negative pressure in the measurement chamber at aperture 6 of greater than 12.5 kPa, and a negative pressure in the measurement chamber at aperture 8 of greater than 4.0 kPa result at an average electrical input power of between 1000 W and 800 W, a negative pressure in the measurement chamber at aperture 6 of greater than 10.0 kPa, and a negative pressure in the measurement chamber at aperture 8 of greater than 3.4 kPa result at an average electrical input power of between 799 W and 600 W, a negative pressure in the measurement chamber at aperture 6 of greater than 7.0 kPa, and a negative pressure in the measurement chamber at aperture 8 of greater than 2.5 kPa result at an average electrical input power of between 599 W and 400 W, a negative pressure in the measurement chamber at aperture 6 of greater than 4.0 kPa, and a negative pressure in the measurement chamber at aperture 8 of greater than 1.4 kPa result at an average electrical input power of between 399 W and 200 W, and wherein the suction hose has an average cross-sectional area of at least 9.5 cm 2 , in particular at least 11 cm 2 or 13 cm 2 , and the filter bag is composed of nonwoven material.

Claims

exact text as granted — not AI-modified
1 . A vacuum cleaning apparatus comprising:
 a vacuum cleaner having a suction hose connected to a housing of the vacuum cleaner, and comprising:   a filter bag, comprising a disposable filter bag made of nonwoven material,   wherein the vacuum cleaner comprises a motor/fan unit, which is configured such that an average electrical input power of which is between 1000 W and 200 W, and with an average electrical input power of between   1000 W and 800 W    a negative pressure in the a measurement chamber at aperture 6 of >12.5 kPa and   a negative pressure in the measurement chamber at aperture 8 of >4.0 kPa result,   799 W and 600 W    a negative pressure in the measurement chamber at aperture 6 of >10.0 kPa and    a negative pressure in the measurement chamber at aperture 8 of >3.4 kPa result,   599 W and 400 W    a negative pressure in the measurement chamber at aperture 6 of >7.0 kPa and    a negative pressure in the measurement chamber at aperture 8 of >2.5 kPa result,   399 W and 200 W    a negative pressure in the measurement chamber at aperture 6 of >4.0 kPa and   a negative pressure in the measurement chamber at aperture 8 of >1.4 kPa result,   wherein the suction hose has an average cross-sectional area of at least 9.5 cm 2 .   
     
     
         2 . The apparatus according to  claim 1 , wherein the filter bag has a bag surface of between 1000 cm 2  and 4000 cm 2 . 
     
     
         3 . The apparatus according to  claim 2 , wherein the suction hose conically tapers at least partially and has at an end near to the motor/fan unit a greater cross-sectional area than at an end distant to the motor/fan unit. 
     
     
         4 . The apparatus according to  claim 3 , wherein the suction hose has a minimum and a maximum cross-sectional surface and wherein a minimum diameter of the suction hose is reduced by at least 5% compared to a maximum cross-sectional area. 
     
     
         5 . The apparatus according to  claim 1 , wherein the suction hose has a length of 1 m to 3 m. 
     
     
         6 . The apparatus according to  claim 1 , wherein a suction pipe connected to the suction hose has a diameter of more than 30 mm. 
     
     
         7 . The apparatus according to  claim 1 , in which the motor/fan unit at aperture 7 (30 mm) has a degree of efficiency of at least 35% according to EN 60312. 
     
     
         8 . The apparatus according to  claim 1 , wherein the filter bag is configured as flat bag or comprises surface folds and/or is equipped with a deflection device. 
     
     
         9 . The apparatus according to  claim 1 , wherein the vacuum cleaner has a spacing unit comprising a bottom and/or at least a side wall or a cover in order to at least partially space apart a filter bag from at least one interior housing wall of the vacuum cleaning apparatus. 
     
     
         10 . The apparatus according to  claim 9 , wherein the spacing unit is configured such that between the bottom and/or the at least one side wall or the cover overflow paths are provided. 
     
     
         11 . The apparatus according to  claim 9 , wherein the spacing unit for a filter bag is configured with surface folds. 
     
     
         12 . The apparatus according  claim 9 , wherein in the apparatus, against the air flow direction there are arranged in the following order:
 an air suction opening inside the bottom or inside the at least one side wall or inside the cover, through which during operation of the vacuum cleaner air from a filter bag receptacle is sucked into the motor/fan unit,   a motor protection filter support, and   the spacing unit,   wherein the spacing unit is arranged spaced apart from the motor protection filter support.   
     
     
         13 . The apparatus according to  claim 12 , wherein the spacing unit comprises a perforated plate or a grid or bars, bar-shaped sections, brackets, bracket-shaped sections, ribs, rib-shaped sections or pins. 
     
     
         14 . The apparatus according to  claim 12 , wherein the motor protection filter support is configured such that a motor protection filter is retractable into the motor protection filter support or is foldable. 
     
     
         15 . The apparatus according to  claim 1 , comprising a filter bag retaining plate accommodation, which is in respect of the vacuum cleaning apparatus arranged foldable or may be completely removed from the vacuum cleaner. 
     
     
         16 . The apparatus according to  claim 1 , wherein the average cross-sectional area of the suction hose is at least 11 cm 2  or 13 cm 2 . 
     
     
         17 . The apparatus according to  claim 4 , wherein the minimum diameter of the suction hose is reduced by at least 20% compared to the maximum cross-sectional area. 
     
     
         18 . The apparatus according to  claim 6 , wherein the diameter of the suction pipe is more than 36 mm. 
     
     
         19 . The apparatus according to  claim 7 , wherein the degree of efficiency is at least 38%. 
     
     
         20 . The apparatus according to  claim 7 , wherein the degree of efficiency is more than 40%.

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