Sensor apparatuses and systems

Patent metadata

Field	Value
Publication number	US-11064727-B2
Application number	US-201916268837-A
Country	US
Kind code	B2
Filing date	Feb 6, 2019
Priority date	Feb 6, 2019
Publication date	Jul 20, 2021
Grant date	Jul 20, 2021

Abstract

A sensor apparatus may include a conduit structure including an inner surface defining a conduit extending through an interior of the conduit structure, an inlet structure coupled to an end of the conduit structure, and a plurality of sensor devices in hydrodynamic contact with the conduit. The inlet structure may couple with an outlet end of an external tobacco element to hold the outlet end of the external tobacco element in fluid communication with an inlet opening of the conduit structure, such that the conduit structure may receive a generated aerosol from the external tobacco element at the inlet opening, and draw an instance of aerosol through the conduit towards an outlet opening. The instance of aerosol may include at least a portion of the generated aerosol. Each sensor device may generate sensor data indicating a pressure of the instance of aerosol through a separate portion of the conduit.

First claim

What is claimed:

1. A sensor apparatus, comprising:
a conduit structure including an inlet opening, an outlet opening, and an inner surface defining a conduit extending between the inlet opening and the outlet opening through an interior of the conduit structure;
an inlet structure coupled to an inlet opening-proximate end of the conduit structure, the inlet structure further configured to couple with an outlet end of an external tobacco element to hold the outlet end of the external tobacco element in fluid communication with the inlet opening of the conduit structure, such that the conduit structure is configured to
receive a generated aerosol from the external tobacco element at the inlet opening, and
draw an instance of aerosol through at least a portion of the conduit to the outlet opening, the instance of aerosol including at least a portion of the generated aerosol;

an orifice structure partitioning the conduit into separate conduit portions, the orifice structure including an orifice having a reduced diameter relative to a diameter of the conduit, such that the conduit structure is configured to direct the instance of aerosol to pass through the orifice towards the outlet opening; and
a plurality of sensor devices in hydrodynamic contact with separate conduit portions of the conduit on opposite sides of the orifice structure, each sensor device configured to generate sensor data indicating a pressure of the instance of aerosol drawn through a separate portion of the conduit, wherein the sensor apparatus is configured to generate information indicating a flow rate of the instance of aerosol drawn through at least the portion of the conduit to the outlet opening based on a difference between pressures indicated by respective instances of sensor data generated by the plurality of sensor devices in hydrodynamic contact with the separate conduit portions of the conduit on opposite sides of the orifice structures;
a plurality of flow control devices, wherein the sensor apparatus is configured to control the plurality of flow control devices to control an amount and/or proportion of generated aerosol included, as remainder generated aerosol in the instance of aerosol, without a variation of the flow rate of the instance of aerosol of more than 10% from a total flow rate of the generated aerosol that is drawn into the conduit through the inlet opening, wherein the plurality of flow control devices includes
an adjustable valve device configured to adjustably control a cross-sectional flow area of a particular portion of the conduit between the orifice and the inlet opening,
an adjustable vent device between the adjustable valve device and the inlet opening, the adjustable vent device configured to adjustably direct a separate portion of the generated aerosol, other than the remainder generated aerosol, to flow from an inlet portion of the conduit to an ambient environment as a bypass aerosol, such that the remainder generated aerosol is directed to flow through the adjustable valve device,
a pump device configured to induce a flow of the bypass aerosol to the ambient environment to overcome a pressure gradient from the ambient environment to the inlet portion of the conduit, and
an adjustable intake device between the adjustable valve device and the orifice, the adjustable intake device configured to adjustably draw bypass air from the ambient environment into the conduit,
wherein the instance of aerosol drawn through at least the portion of the conduit to the outlet opening includes the remainder generated aerosol and the bypass air.

2. The sensor apparatus of claim 1 , further comprising:
a communication interface configured to establish a communication link with an external computing device, the communication interface further configured to communicate a sensor data stream, between the sensor apparatus and the external computing device via the communication link, the sensor data stream providing a real-time indication of the flow rate of the instance of aerosol through at least the portion of the conduit to the outlet opening.

3. The sensor apparatus of claim 2 , wherein the communication interface is a wireless communication interface and the communication link is a wireless network communication link.

4. The sensor apparatus of claim 2 ,
wherein the sensor apparatus is configured to control the plurality of flow control devices based on a feedback control signal received from the external computing device at the communication interface.

5. The sensor apparatus of claim 4 , wherein the communication interface is a wireless communication interface and the communication link is a wireless network communication link.

6. The sensor apparatus of claim 1 , wherein
the sensor apparatus is configured to control the plurality of flow control devices to cause an aerosol draw pattern of the instance of aerosol drawn through at least the portion of the conduit to the outlet opening of the sensor apparatus over a period of time to conform to a threshold aerosol draw pattern, the aerosol draw pattern being associated with the sensor data.

7. A system, comprising:
the sensor apparatus of claim 1 ; and
a computing device communicatively linked to a communication interface of the sensor apparatus via a communication link,
wherein the sensor apparatus is configured to communicate, between the sensor apparatus and the computing device via the communication link, a data stream providing a real-time indication of the flow rate of the instance of aerosol drawn through at least the portion of the conduit to the outlet opening, the data stream including information associated with the sensor data,
wherein at least one device of the sensor apparatus or the computing device is configured to process the information associated with the sensor data to generate topography information associated with at least one of the sensor apparatus and the external tobacco element.

8. The system of claim 7 , wherein the communication interface is a wireless communication interface and the communication link is a wireless network communication link.

9. The system of claim 7 , wherein,
the topography information includes an aerosol draw pattern of the instance of aerosol drawn through at least the portion of the conduit to the outlet opening of the sensor apparatus over a period of time, the aerosol draw pattern associated with the sensor data, and
the at least one device is configured to determine whether the aerosol draw pattern conforms to a threshold aerosol draw pattern, based on processing the topography information.

10. The system of claim 9 , wherein
the at least one device is the computing device,
the computing device is further configured to communicate a feedback control signal to the sensor apparatus according to the determination of whether the aerosol draw pattern conforms to the threshold aerosol draw pattern, and
the sensor apparatus is configured to control a flow rate of the portion of the generated aerosol through the conduit based on the feedback control signal.

11. The system of claim 10 , wherein the at least one device is configured to determine that the instance of aerosol is being drawn at least partially through the conduit to the outlet opening, based on monitoring a variation in pressure in one or more portions of the conduit over a particular period of time.

12. A method, comprising:
generating, at a sensor apparatus, sensor data indicating a flow rate of an instance of aerosol that is drawn through a conduit of the sensor apparatus from an external tobacco element coupled to the sensor apparatus and to an outlet opening of the conduit;
communicating a data strea

Assignees

• Altria Client Services Llc

Inventors

• Karles Georgios
• Edmiston Jeffery S
• Rees William A
• Kane David B

Classifications

• A24F40/80

  Testing · CPC title

• A24C5/3406 Primary

  Controlling cigarette combustion · CPC title

• A24C5/34 Primary

  Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes · CPC title

• A24F47/008

  Human Necessities · mapped topic