US 11,918,174 B2
Vacuum cleaner having tube and hose
Johannes Tseard Van Der Kooi, Munein (NL); Mark Elzinga, Borger (NL); and Bastian Cornelis Kleine-Doepke, Zuidhorn (NL)
Assigned to KONINKLIJKE PHILIPS N.V., Eindhoven (NL)
Appl. No. 17/285,502
Filed by KONINKLIJKE PHILIPS N.V., Eindhoven (NL)
PCT Filed Nov. 21, 2019, PCT No. PCT/EP2019/082002
§ 371(c)(1), (2) Date Apr. 15, 2021,
PCT Pub. No. WO2020/109118, PCT Pub. Date Jun. 4, 2020.
Claims priority of application No. 18209329 (EP), filed on Nov. 29, 2018.
Prior Publication US 2021/0378470 A1, Dec. 9, 2021
Int. Cl. F16L 9/00 (2006.01); A47L 9/24 (2006.01)
CPC A47L 9/242 (2013.01) [A47L 9/248 (2013.01); F16L 9/006 (2013.01); Y10S 138/11 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A vacuum cleaner, comprising:
a tube having a first diameter,
a hose having a second diameter exceeding the first diameter by at least 15%, and
a transition piece having a first end arranged for being connected to the tube, and a second end arranged for being connected to the hose, wherein the transition piece has a curved part that has a non-circular cross-section, the curved part having a first part in which in a direction from the first end to the second end, a first dimension of the cross-section increases to a diameter exceeding the first diameter by 15%, the first dimension being in a radial direction of the curved part, while a second dimension of the cross-section, perpendicular to the first dimension, does not exceed the first diameter by more than 10%.