Surface cleaning apparatus

Patent metadata

Field	Value
Publication number	US-11930975-B2
Application number	US-202318381300-A
Country	US
Kind code	B2
Filing date	Oct 18, 2023
Priority date	Oct 28, 2015
Publication date	Mar 19, 2024
Grant date	Mar 19, 2024

Abstract

A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the upright handle assembly. The surface cleaning apparatus is further provided with a brushroll and a fluid delivery system comprising a fluid supply chamber and a fluid dispenser configured to dispense fluid to the brushroll.

First claim

What is claimed is:

1. A surface cleaning apparatus comprising:
a housing including an upright handle assembly and a base operably coupled to the upright handle assembly and adapted for movement across a surface to be cleaned, the base comprising a brushroll cover having an underside at least partially defining a chamber;
a brushroll at least partially received in the chamber, with at least a portion of the underside of the brushroll cover adjacent to the brushroll;
a brushroll motor operably coupled with the brushroll, wherein the brushroll is rotatable about a rotational axis;
a suction source;
a suction inlet in the base behind the brushroll, wherein the suction inlet is in fluid communication with the suction source and is configured to ingest cleaning fluid and debris into a recovery pathway; and
a fluid delivery system comprising:
a fluid supply chamber adapted to hold a supply of cleaning fluid and selectively removable from the housing; and
a fluid dispenser in fluid communication with the fluid supply chamber, the fluid dispenser comprising:
a first spray tip at a first end of the chamber, the first spray tip comprising a first outlet in fluid communication with the chamber and configured to dispense cleaning fluid to a first portion of the brushroll disposed inwardly of the first spray tip; and
a second spray tip at a second end of the chamber, the second spray tip comprising a second outlet in fluid communication with the chamber and configured to dispense cleaning fluid to a second portion of the brushroll disposed inwardly of the second spray tip.

2. The surface cleaning apparatus of claim 1 wherein:
the first portion of the brushroll comprises a top portion of the brushroll disposed above the suction inlet, and further disposed between the first spray tip and the second portion of the brushroll; and
the second portion of the brushroll comprises a top portion of the brushroll disposed above the suction inlet, and further disposed between the second spray tip and the first portion of the brushroll.

3. The surface cleaning apparatus of claim 1 wherein the first and second spray tips each comprise a horizontal spray angle parallel to the rotational axis of the brushroll.

4. The surface cleaning apparatus of claim 1 wherein the first and second spray tips each comprise a spray angle that is substantially parallel to relative to the rotational axis of the brushroll.

5. The surface cleaning apparatus of claim 1 wherein the first and second spray tips are oriented to spray inwardly at an angle of 0 to 30 degrees from the rotational axis of the brushroll.

6. The surface cleaning apparatus of claim 1 wherein the first and second spray tips are oriented to spray inwardly at an angle of 15 degrees from the rotational axis of the brushroll.

7. The surface cleaning apparatus of claim 1 , wherein at least one of the first spray tip and the second spray tip is configured to dispense cleaning fluid directly onto the brushroll.

8. The surface cleaning apparatus of claim 1 comprising a hard floor cleaning mode, a carpet cleaning mode, and a user interface on the upright handle assembly, the user interface comprising at least one actuator operably coupled with the fluid delivery system for selecting one of the hard floor cleaning mode and the carpet cleaning mode.

9. The surface cleaning apparatus of claim 8 wherein the fluid delivery system comprises a pump controlling a flow rate of cleaning fluid delivered to the fluid dispenser, and wherein the flow rate to the fluid dispenser in the hard floor cleaning mode is less than the flow rate to the fluid dispenser in the carpet cleaning mode.

10. The surface cleaning apparatus of claim 1 wherein the first and second spray tips are disposed above and rearward of the rotational axis of the brushroll.

11. The surface cleaning apparatus of claim 1 wherein the first and second spray tips are disposed above the suction inlet in the base.

12. The surface cleaning apparatus of claim 1 wherein the first and second spray tips are disposed on the underside of the brushroll cover.

13. The surface cleaning apparatus of claim 1 wherein the base comprises a squeegee configured to contact the surface to be cleaned, and the squeegee is located rearwardly of the rotational axis of the brushroll.

14. The surface cleaning apparatus of claim 1 wherein the brushroll comprises a dowel and microfiber material provided on the dowel.

15. The surface cleaning apparatus of claim 1 , comprising a battery electrically coupled to the suction source.

16. The surface cleaning apparatus of claim 1 , comprising a self-cleaning mode configured to clean the brushroll and at least a portion of the recovery pathway.

17. A surface cleaning apparatus comprising
a housing including an upright handle assembly and a base operably coupled to the upright handle assembly and adapted for movement across a surface to be cleaned, the base comprising a brushroll cover having an underside at least partially defining a chamber;
a brushroll at least partially received in the chamber, with at least a portion of the underside of the brushroll cover adjacent to the brushroll;
a brushroll motor operably coupled with the brushroll, wherein the brushroll is rotatable about a rotational axis;
a suction source;
a suction inlet in the base behind the brushroll, wherein the suction inlet is in fluid communication with the suction source and is configured to ingest cleaning fluid and debris into a recovery pathway; and
a fluid delivery system comprising:
a fluid supply chamber adapted to hold a supply of cleaning fluid and selectively removable from the housing; and
a pair of mutually opposing spray tips in fluid communication with the fluid supply chamber, the spray tips each comprising a spray tip orifice in fluid communication with the chamber and configured to dispense cleaning fluid toward the brushroll;
wherein the spray tip orifices are oriented to spray cleaning fluid inwardly toward the brushroll.

18. The surface cleaning apparatus of claim 17 wherein the spray tips comprise a horizontal spray angle parallel to the rotational axis of the brushroll.

19. The surface cleaning apparatus of claim 17 wherein the spray tips comprise a spray angle that is substantially parallel to relative to the rotational axis of the brushroll.

20. The surface cleaning apparatus of claim 17 wherein the spray tips are oriented to spray inwardly at an angle of 0 to 30 degrees from the rotational axis of the brushroll.

21. The surface cleaning apparatus of claim 17 wherein the spray tips are oriented to spray inwardly at an angle of 15 degrees from the rotational axis of the brushroll.

22. The surface cleaning apparatus of claim 17 , wherein the spray tip orifices are configured to spray cleaning fluid directly onto the brushroll.

23. The surface cleaning apparatus of claim 17 wherein the spray tip orifices are oriented to spray cleaning fluid onto a top portion of the brushroll disposed above the suction inlet.

24. The surface cleaning apparatus of claim 17 comprising a hard floor cleaning mode, a carpet cleaning mode, and a user interface on the upright handle assembly, the user interface comprising at least one actuator operably coupled with the fluid delivery system for selecting one of the hard floor cleaning mode and the carpet cleaning mode.

25. The surface cleaning apparatus of claim 24 wherein the fluid de

Assignees

• Bissell Inc

Inventors

• Xia Jincheng
• Ge Jianjun
• Yin Zhenjiang
• Chen Xin
• Liang Yongsheng
• Ma Kam Hoi

Classifications

• A47L11/302 Primary

  having rotary tools · CPC title

• A46B1/00

  Brush bodies and bristles moulded as a unit · CPC title

• A46B9/06 Primary

  Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber · CPC title

• A46B13/001

  Cylindrical or annular brush bodies · CPC title

• A47L5/28

  Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle (A47L5/24 takes precedence) · CPC title