# US 2021/0176830 A1 · Vaporizer including a heater assembly and delivery device

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- Number: US 2021/0176830 A1
- Document ID: US20210176830A1
- Status: Published application
- Kind: A1
- Application number: 17/181,120
- Filed: 2021-02-22
- Published: 2021-06-10
- Earliest claimed: 2016-03-31
- Assignees: Altria Client Services LLC
- Applicants: Altria Client Services LLC
- Inventors: Laurent MANCA; Rui Nuno BATISTA
- Web page: https://patentgrep.com/patent/US20210176830A1

## CPC

- A61M 15/06: Inhaling appliances shaped like cigars, cigarettes or pipes
- A24F 40/46: Shape or structure of electric heating means
- A24F 40/48: Fluid transfer means, e.g. pumps
- A61M 11/042: {electrical}
- A61M 15/0066: {with means for varying the dose size}
- H05B 1/0244: {Heating of fluids (H05B1/0247 takes precedence)}
- H05B 3/265: {the insulating base being an inorganic material, e.g. ceramic (H05B3/262 takes precedence)}
- A24F 40/10: Devices using liquid inhalable precursors
- A24F 40/60: Devices with integrated user interfaces
- A61M 11/008: {by squeezing, e.g. using a flexible bottle or a bulb}
- A61M 15/0015: {located upstream of the dispenser, i.e. not traversed by the product}
- A61M 2205/0238: the material being a coating or protective layer
- A61M 2205/123: with incorporated reservoirs
- A61M 2205/128: with incorporated valves
- A61M 2205/3653: by Joule effect, i.e. electric resistance
- A61M 2205/58: Means for facilitating use, e.g. by people with impaired vision
- H05B 2203/013: Heaters using resistive films or coatings
- H05B 2203/021: Heaters specially adapted for heating liquids
- 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)}
- A24F: SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES (inhaling appliances for medical purposes, shaped like cigars, cigarettes or pipes A61M15/06)
- H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL

## Abstract

A vaporizing assembly for an aerosol-generating system may comprise a delivery device and a heater assembly. The heater assembly may comprise a heat resistive substrate and a heating element. The delivery device is configured to deliver an aerosol-forming substrate to at least a surface of the heat resistive substrate, wherein the heating element is isolated or separated from the aerosol-forming substrate by the heat resistive substrate. The present disclosure is also directed to a method for generating an aerosol.

## Claims

### Claim 1

A vaporizer comprising:
a heater assembly including a substrate and a heating element, the substrate including a first surface and an opposing second surface; and
a delivery device spaced apart from the heater assembly, the delivery device configured to dispense a metered amount of a liquid onto the first surface of the substrate, the heating element disposed such that the first surface of the substrate is between the delivery device and the heating element, the delivery device having a longitudinal axis, and the first surface of the substrate is at an oblique angle to the longitudinal axis.

### Claim 2 (depends on 1)

The vaporizer of claim 1, wherein the substrate of the heater assembly is at an angle to a longitudinal axis of the vaporizer.

### Claim 3 (depends on 1)

The vaporizer of claim 1, wherein the substrate of the heater assembly is transparent or semi-transparent.

### Claim 4 (depends on 1)

The vaporizer of claim 1, wherein the substrate of the heater assembly is non-porous.

### Claim 5 (depends on 1)

The vaporizer of claim 1, wherein the first surface of the substrate is planar.

### Claim 6 (depends on 1)

The vaporizer of claim 1, wherein the heating element is configured to heat the first surface of the substrate to vaporize the liquid.

### Claim 7 (depends on 1)

The vaporizer of claim 1, wherein the heating element is downstream from the delivery device.

### Claim 8 (depends on 1)

The vaporizer of claim 1, wherein the heating element is in a form of a film.

### Claim 9 (depends on 1)

The vaporizer of claim 1, wherein the heater assembly is configured such that the heating element does not come into direct contact with the liquid during a normal operation of the vaporizer.

### Claim 10 (depends on 1)

The vaporizer of claim 1, wherein the heating element is disposed on the second surface of the substrate.

### Claim 11 (depends on 1)

The vaporizer of claim 1, wherein the heating element is embedded within the substrate.

### Claim 12 (depends on 1)

The vaporizer of claim 1, wherein the heating element is sandwiched between the substrate and an adjacent layer.

### Claim 13 (depends on 1)

The vaporizer of claim 1, wherein the delivery device includes an outlet end spaced 0.1 mm to 10 mm from the heater assembly.

### Claim 14 (depends on 1)

The vaporizer of claim 1, wherein the delivery device is configured to pump the metered amount of the liquid.

### Claim 15 (depends on 1)

The vaporizer of claim 1, wherein the metered amount is 0.01 to 0.06 microliters.

### Claim 16 (depends on 1)

The vaporizer of claim 1, wherein the delivery device includes a pump and a nozzle configured to spray the liquid.

### Claim 17 (depends on 1)

The vaporizer of claim 1, wherein the substrate of the heater assembly is spaced apart from the delivery device by a support post.

### Claim 18 (depends on 1)

The vaporizer of claim 1, wherein the delivery device is configured to dispense the liquid in a direction coinciding with the longitudinal axis of the delivery device.