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US 9,808,133 B2Granted
Surface cleaning device
AssigneeKoninklijke Philips N.V.
InventorsMatthijs Hendrikus Lubbers, Pieter Kingma
Life of this patent
Estimating the term…
Abstract
Surface cleaning device, comprising a cloth (C) placed on a porous material (PM), a reservoir (R) for collecting liquid absorbed by the cloth (C), and an arrangement (P) for applying under-pressure in the reservoir (R) so as to transfer liquid from the cloth (C) into the reservoir (R). A pore size of the porous material (PM) is between 1 μm and 50 μm.
Claims9
Surface cleaning device, comprising:
- a cloth (C) placed on a porous material (PM), a pore size of the porous material (PM) being between 1 μm and 50 μm;
- a reservoir (R) for collecting liquid absorbed by the cloth (C);
- and
- an arrangement (P) for applying under-pressure in the reservoir (R) so as to transfer liquid from the cloth (C) into the reservoir (R).
1 more element
Dependencies are inferred from the claim text.