# US 2025/0204591 A1 · Electronic cigarette with woven fiber tube atomizer

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- Number: US 2025/0204591 A1
- Document ID: US20250204591A1
- Status: Published application
- Kind: A1
- Application number: 19/076,709
- Filed: 2025-03-11
- Published: 2025-06-26
- Earliest claimed: 2015-04-10
- Assignees: Fontem Ventures B.V.
- Applicants: Fontem Ventures B.V.
- Inventors: Stefan Biel; Vaclav Borkovec
- Web page: https://patentgrep.com/patent/US20250204591A1

## CPC

- A24F 40/44: Wicks
- A24F 40/10: Devices using liquid inhalable precursors
- A24F 40/42: Cartridges or containers for inhalable precursors
- A61M 15/06: Inhaling appliances shaped like cigars, cigarettes or pipes
- A24F: SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES (inhaling appliances for medical purposes, shaped like cigars, cigarettes or pipes A61M15/06)
- A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)}

## Abstract

An electronic cigarette (10) includes an atomizer (26) having a coil-less heating element (4) with a heating section (6) connected to an electrical power source and two end sections in contact with a liquid supply (34). The heating element (4) is made of one or more woven fiber tubes (2) having a hollow interior such that the liquid can be transported from the liquid supply (34) to the heating section (6) through the hollow interior along the woven fiber tubes (2) or through the fiber materials via capillary action.

## Claims

### Claim 1

An electronic smoking device comprising:
a housing;
an electrically conductive wick in the housing comprising:
a first conductive section including a first wick end,
a heating section, and
a second conductive section including a second wick end, where the heating section, between the first conductive section and the second conductive section, has a higher electrical resistance than the first and the second conductive sections; and
a liquid supply in the housing, wherein the first wick end is in fluid contact with the liquid supply.

### Claim 2 (depends on 1)

The device of claim 1, wherein the housing comprises at least one woven fiber tube that is electrically conductive.

### Claim 3 (depends on 2)

The device of claim 2, wherein the at least one woven fiber tube comprises carbon fibers, nickel-chromium, steel, titanium, iron-chromium-aluminum, molybdenum disilicide, silicon carbide, silicon dioxide, Dacron, ceramic fibers, or a combination thereof.

### Claim 4 (depends on 2)

The device of claim 2, wherein the at least one woven fiber tube has a hollow interior.

### Claim 5 (depends on 2)

The device of claim 2, wherein the at least one woven fiber tube has a first end joined to a first side of the heating section and a second end joined to a second side of the heating section, and wherein the first and second ends of the woven fiber tube extend into the liquid supply.

### Claim 6 (depends on 2)

The device of claim 2, wherein the at least one woven fiber tube is U-shaped, L-shaped, or C-shaped.

### Claim 7 (depends on 1)

The device of claim 1, wherein the heating section is straight and the end sections are longer than the heating section.

### Claim 8 (depends on 2)

The device of claim 2, wherein the end sections of the at least one woven fiber tube are perpendicular to the heating section of the woven fiber tube.

### Claim 9 (depends on 1)

The device of claim 1, wherein the device comprises two or more woven fiber tubes.

### Claim 10 (depends on 9)

The device of claim 9, wherein the two or more woven fiber tubes have different diameters.

### Claim 11 (depends on 9)

The device of claim 9, wherein the two or more woven fiber tubes are positioned in parallel to each other.

### Claim 12 (depends on 9)

The device of claim 9, wherein the two or more woven tubes are positioned in direct contact of each other.

### Claim 13 (depends on 2)

The device of claim 2, wherein the heating section of the at least one woven fiber tube has a different diameter from the end sections of the woven fiber tube.

### Claim 14 (depends on 1)

The device of claim 1, wherein the liquid supply contains free-flowing liquid.

### Claim 15 (depends on 1)

The device of claim 1, wherein the liquid supply comprises a porous medium that stores liquid.

### Claim 16

A method of manufacturing an electronic smoking device, the method comprising:
forming an electrically conductive wick comprising:
a first conductive section including a first wick end,
a heating section, and
a second conductive section including a second wick end, where the heating section, between the first conductive section and the second conductive section, has a higher electrical resistance than the first and the second conductive sections; and
placing the electrically conductive wick within a housing; and
connecting the first wick end in fluid contact with a liquid supply.

### Claim 17 (depends on 16)

The method of claim 16, wherein the housing comprises at least one woven fiber tube that is electrically conductive.

### Claim 18 (depends on 17)

The method of claim 17, wherein the at least one woven fiber tube comprises carbon fibers, nickel-chromium, steel, titanium, iron-chromium-aluminum, molybdenum disilicide, silicon carbide, silicon dioxide, Dacron, ceramic fibers, or a combination thereof.

### Claim 19 (depends on 17)

The method of claim 17, wherein the at least one woven fiber tube has a hollow interior.

### Claim 20 (depends on 17)

The method of claim 17, wherein the at least one woven fiber tube has a first end joined to a first side of the heating section and a second end joined to a second side of the heating section, and wherein the first and second ends of the woven fiber tube extend into the liquid supply.
