Spill containment and management system for glass ceramic cooktop

Patent metadata

Field	Value
Publication number	US-12129202-B2
Application number	US-202017138368-A
Country	US
Kind code	B2
Filing date	Dec 30, 2020
Priority date	Dec 30, 2020
Publication date	Oct 29, 2024
Grant date	Oct 29, 2024

Abstract

A panel is disclosed. The panel has an exposed surface and a plurality of liquid-repelling elements disposed directly on the exposed surface in a discontinuous pattern. The liquid-repelling elements include a non-hydrophobic material.

First claim

What is claimed is:

1. A panel comprising:
an exposed surface; and
a plurality of liquid-repelling elements disposed directly on top of the exposed surface in a discontinuous pattern that does not define a complete enclosure,
wherein each of the liquid-repelling elements includes a non-hydrophobic material that:
comprises zirconium (Zr), oxygen (O), and at least one of silicon (Si) or phosphorus (P),
is non-hydrophobic,
exhibits a first water contact angle of less than or equal to about 90°, and directs aqueous liquids to at least one predetermined location.

2. The panel according to claim 1 , wherein the panel comprises a glass ceramic material.

3. The panel according to claim 1 , wherein the plurality of liquid-repelling elements has a different surface energy than the exposed surface.

4. The panel according to claim 1 , wherein the plurality of liquid-repelling elements is visibly transparent.

5. The panel according to claim 1 , wherein:
the first water contact angle is greater than a second water contact angle exhibited by the exposed surface.

6. The panel according to claim 1 , wherein the plurality of liquid-repelling elements exhibits a water contact angle greater than or equal to about 30° to less than or equal to about 70°.

7. The panel according to claim 1 , wherein the non-hydrophobic material is a film comprising zirconium dioxide (ZrO 2 ) and silicon dioxide (SiO 2 ), the silicon dioxide (SiO 2 ) having a concentration of less than or equal to about 50 wt. % based on the total weight of the zirconium dioxide (ZrO 2 ) and the silicon dioxide (SiO 2 ).

8. The panel according to claim 7 , wherein the film comprises greater than 0 wt. % to less than or equal to about 50 wt. % silicon dioxide (SiO 2 ) and further comprises phosphorus (P), the phosphorus (P) being dispersed either substantially uniformly throughout the film or in a concentration gradient that decreases from a top surface of the film to an opposing bottom surface of the film that is in direct contact with the exposed surface of the panel.

9. The panel according to claim 7 , wherein:
the film further comprises phosphorus (P), the phosphorus (P) being dispersed either substantially uniformly throughout the film or in a concentration gradient that decreases from a top surface of the film to an opposing bottom surface of the film that is in direct contact with the exposed surface of the panel.

10. The panel according to claim 1 , wherein the discontinuous pattern comprises:
discontinuous lines that extend about at least one edge of the panel;
a plurality of segmented lines arranged in geometric patterns about at least one edge of the panel;
at least one line defining a maze-type pattern that extends about at least one edge of the panel;
a plurality of geometric elements disposed about a central region of the panel;
a maze-type pattern disposed about a central region of the panel; or
a combination thereof.

11. The panel according to claim 1 , wherein the panel defines a cooktop surface.

12. The panel according to claim 1 , wherein the plurality of liquid-repelling elements is substantially free of hydrophobic components.

13. A panel comprising:
a substrate comprising a glass ceramic material and a top surface; and
a plurality of liquid-repelling films disposed directly on top of the top surface in a discontinuous pattern that does not define a complete enclosure,
wherein each of the plurality of liquid-repelling films:
comprises zirconium (Zr), oxygen (O), and at least one of silicon (Si) or phosphorus (P),
is non-hydrophobic,
exhibits a water contact angle of less than or equal to about 90°, and
directs aqueous liquids to at least one predetermined location.

14. The panel according to claim 13 , further comprising at least one heating element region.

15. The panel according to claim 13 , further comprising at least one reservoir configured to receive and hold an aqueous liquid directed to the reservoir by the liquid-repelling films.

16. A cooking appliance comprising the panel according to claim 13 , wherein the panel defines a cooktop surface.

17. The cooking appliance according to claim 16 , wherein the cooking appliance is a gas cooktop, an electric cooktop, or an induction cooktop.

Assignees

• Whirlpool Co

Inventors

• Basso Margherita
• Guidi Cesare Cristiano
• Nortey Christine

Classifications

• H05B3/74

  Non-metallic plates {, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits} · CPC title

• F24C15/14

  Spillage trays or grooves · CPC title

• C03C2218/11

  from solutions or suspensions · CPC title

• C03C2217/70

  Properties of coatings · CPC title

• C03C2217/23

  Mixtures · CPC title