US 11,864,696 B2
Cleaning device
Bastiaan Johannes De Wit, Nuis (NL); Matthijs Hendrikus Lubbers, Lieveren (NL); and Pieter Kingma, Drachten (NL)
Assigned to KONINKLIJKE PHILIPS N.V., Eindhoven (NL)
Filed by KONINKLIJKE PHILIPS N.V., Eindhoven (NL)
Filed on Feb. 19, 2021, as Appl. No. 17/179,537.
Application 17/179,537 is a division of application No. 16/487,202, previously published as PCT/EP2018/053372, filed on Feb. 12, 2018.
Claims priority of application No. 17158036 (EP), filed on Feb. 27, 2017.
Prior Publication US 2021/0169293 A1, Jun. 10, 2021
Int. Cl. A47L 11/20 (2006.01); A47L 7/00 (2006.01); A47L 11/30 (2006.01); A47L 11/40 (2006.01); A47L 9/06 (2006.01)
CPC A47L 11/201 (2013.01) [A47L 7/009 (2013.01); A47L 9/0686 (2013.01); A47L 11/30 (2013.01); A47L 11/4044 (2013.01); A47L 11/4083 (2013.01); A47L 11/4088 (2013.01); A47L 11/4094 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A cleaning device, comprising: a cleaning fluid supply provided with a cleaning fluid channel for supplying a cleaning fluid to a surface;
a dirty fluid drain provided with a dirty fluid channel for draining a dirty fluid from the surface; and
a single fluid container comprising a first end and a second end, wherein, in a first orientation mounted in the cleaning device, the second end is located at a bottom position to supply the cleaning fluid from the second end of the single fluid container and to collect the dirty fluid at the first end of the single fluid container, wherein the single fluid container comprises a first section for the cleaning fluid, a second section, adjacent to the first section, for the dirty fluid, and a movable piston between the first section and the second section,
wherein after both the cleaning fluid and the dirty fluid are poured out of the single fluid container, the cleaning device is arranged in a second orientation for allowing the single fluid container to be mounted into the cleaning device in an upside-down-arrangement, wherein in the upside-down arrangement the first end of the single fluid container is located at the bottom position and the second end of the single fluid container is located at a top position.