Supply device for a cleaning machine which can be connected via at least one flexible hose
US10888208B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 21, 2018 |
| Grant date | Jan 12, 2021 |
| Priority date | — |
| Expiry date | Jul 13, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4088
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A supply unit for a cleaning machine which can be connected via at least one flexible hose, has a heating device for heating water, a water pump for conveying water into or out of the heating device, a hot water and/or steam connector which is connected to the outlet of the heating device, a dirty water tank, a suction device, which preferably includes a suction turbine, for sucking dirty water from a dirty water connector into the dirty water tank. In a preferred embodiment the unit has at least one, preferably precisely one central, drive unit for driving at least one, preferably a plurality of or all components to be driven of the supply unit and/or of a cleaning machine to be connected to it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.