IP Library › Granted Patent US 10,863,773
Granted Patent B2
US 10,863,773 · App. 15/941,417 · Granted Dec 15, 2020

Non-burning type flavor inhaler and atomizing unit calculating the amount of aerosol consumed

Inventors: Akihiko Suzuki (Tokyo, JP); Tatsuaki Iriya (Tokyo, JP); Takuma Nakano (Tokyo, JP); Manabu Yamada (Tokyo, JP)
Assignee: JAPAN TOBACCO INC.
A24F47/008A24F47/00H05B3/44
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Quick Facts
Patent No.
US 10,863,773
App. No.
15/941,417
Granted
Dec 15, 2020
Kind
B2
Abstract

This non-combustion type flavor inhaler is provided with an atomization unit having an aerosol source and a resistive heating element for atomizing the aerosol source with resistive heat, and a control unit which controls the amount of power supplied to the resistive heating element, wherein the amount of power supplied to the resistive heating element during the action of a single puff is represented by E, characteristic parameters of the atomization unit are represented by a and b, the amount of the aerosol source consumed with one puff action is represented by L, and the control unit calculates L with the formula L=aE+b, or, controls E in accordance with the formula E=(L−b)/a.

Claims (89)

1. A non-burning type flavor inhaler comprising:

an atomizing unit having an aerosol source and a resistance heating element configured to atomize the aerosol source by resistance electric heating; and

a controller configured to control a power amount supplied to the resistance heating element,

wherein a power amount supplied to the resistance heating element during one puff action is expressed by E,

wherein an amount of the aerosol source consumed during one puff action is expressed by L,

wherein the controller is configured to calculate the amount of the aerosol source consumed during one puff action according to an equation of L=aE+b, or configured to control the power amount supplied to the resistance heating element during one puff action according to an equation of E=(L−b)/a, and

wherein the coefficients a and b associated with the atomizing unit are stored in a memory.

2. The non-burning type flavor inhaler according to claim 1 , further comprising:

an information source providing the coefficients to the memory,

wherein the controller is configured to calculate the amount of the aerosol source consumed during one puff action, based on information included in the information source.

3. The non-burning type flavor inhaler according to claim 2 , comprising:

a control unit including the controller,

wherein the atomizing unit further includes the information source.

4. The non-burning type flavor inhaler according to claim 1 , wherein the atomizing unit further includes a holding member configured to hold the aerosol source.

5. The non-burning type flavor inhaler according to claim 1 , wherein a temperature coefficient a of a resistance value of the resistance heating element is 0.8×10 −3 [° C. −1 ] or less.

6. The non-burning type flavor inhaler according to claim 1 , wherein a temperature coefficient a of a resistance value of the resistance heating element is 0.4×10 −3 [° C. −1 ] or less.

7. The non-burning type flavor inhaler according to claim 1 , comprising:

a battery configured to accumulate power supplied to the resistance heating element,

wherein an output voltage value of the battery is expressed by V A ,

wherein a reference voltage value of the battery is expressed by V C ,

wherein a correction term of the power amount supplied to the resistance heating element during one puff action is expressed by D, and

wherein the controller is configured to calculate the correction term based on the output voltage value and the reference voltage value, and is configured to calculate the power amount supplied to the resistance heating element during one puff action based on the correction term or configured to control the power amount supplied to the resistance heating element during one puff action based on the correction term.

8. The non-burning type flavor inhaler according to claim 7 , wherein the controller is configured to calculate the correction term according to an equation of D=V C 2 /V A 2 .

9. The non-burning type flavor inhaler according to claim 7 , wherein the controller is configured to control the power amount supplied to the resistance heating element, according to a power amount corrected based on the correction term.

10. The non-burning type flavor inhaler according to claim 1 , comprising:

an information source including a resistance value of the resistance heating element,

wherein the controller is configured to calculate the power amount supplied to the resistance heating element during one puff action based on the information included in the information source.

11. The non-burning type flavor inhaler according to claim 1 , comprising:

a battery configured to accumulate power supplied to the resistance heating element, wherein

an output voltage value of the battery is expressed by V A ,

a time during which a voltage is applied to the resistance heating element is expressed by T,

a resistance value of the resistance heating element is expressed by R, and

the controller is configured to calculate the power amount supplied to the resistance heating element during one puff action or configured to control the power amount supplied to the resistance heating element during one puff action, according to an equation of E=V A 2 /R×T.

12. The non-burning type flavor inhaler according to claim 11 , wherein the controller uses a predetermined value T 0 as T, if controlling the power amount supplied to the resistance heating element during one puff action.

13. The non-burning type flavor inhaler according to claim 1 , wherein the amount of the aerosol source consumed during one puff action includes a designated L A and an actual L B , and

the controller is configured to first control the power amount supplied to the resistance heating element during one puff action according to an equation of E=(L A −b)/a, and then calculate the L B according to an equation of L B =aE+b.

14. The non-burning type flavor inhaler according to claim 1 , wherein an upper limit threshold value of the power amount supplied to the resistance heating element during one puff action is expressed by E MAX , and

the controller is configured to control the power amount supplied to the resistance heating element so that the power amount supplied to the resistance heating element during one puff action does not exceed the E MAX .

15. The non-burning type flavor inhaler according to claim 1 , wherein a lower limit threshold value of the power amount supplied to the resistance heating element during one puff action is expressed by E MIN , and

the controller is configured to calculate the amount of the aerosol source consumed during one puff action according to an equation of L=aE MIN +b, if the power amount supplied to the resistance heating element during one puff action is the E MIN or less.

16. The non-burning type flavor inhaler according to claim 14 , comprising:

an information source including the coefficients,

wherein the coefficients are used for specifying the E MAX .

17. The non-burning type flavor inhaler according to claim 15 , comprising:

an information source including the coefficients,

wherein the coefficients are used for specifying the E MIN .

18. The non-burning type flavor inhaler according to claim 1 , wherein the controller is configured to estimate a remaining amount of the aerosol source, based on the amount of the aerosol source consumed during one puff action.

19. The non-burning type flavor inhaler according to claim 18 , comprising:

an information source including remaining amount information indicating the remaining amount of the aerosol source.

20. The non-burning type flavor inhaler according to claim 18 , wherein if the remaining amount of the aerosol source falls below a threshold value, the controller is configured to prohibit power supply to the resistance heating element or configured to notify a user that the remaining amount of the aerosol source falls below the threshold value.

21. The non-burning type flavor inhaler according to claim 20 , wherein if the remaining amount information cannot be acquired, the controller is configured to prohibit the power supply to the resistance heating element or configured to notify a user that the remaining amount information cannot be acquired.

22. A non-burning type flavor inhaler comprising:

an atomizing unit having an aerosol source and a resistance heating element configured to atomize the aerosol source by resistance electric heating; and

a controller configured to control a power amount supplied to the resistance heating element,

wherein a power amount supplied to the resistance heating element during one puff action is expressed by E,

wherein an amount of the aerosol source consumed during one puff action is expressed by L,

wherein the controller is configured to calculate the amount of the aerosol source consumed during one puff action according to an equation of L=aE+b, and

wherein the coefficients a and b associated with the atomizing unit are stored in a memory.

23. A non-burning type flavor inhaler comprising:

an atomizing unit having an aerosol source and a resistance heating element configured to atomize the aerosol source by resistance electric heating; and

a controller configured to control a power amount supplied to the resistance heating element,

wherein a power amount supplied to the resistance heating element during one puff action is expressed by E,

wherein an amount of the aerosol source consumed during one puff action is expressed by L,

wherein the controller is configured to control the power amount supplied to the resistance heating element during one puff action according to an equation of E=(L−b)/a, and

wherein the coefficients a and b associated with the atomizing unit are stored in a memory.

24. An atomizing unit, comprising:

an aerosol source;

a resistance heating element configured to atomize the aerosol source by resistance electric heating; and

an information source including specific values associated with the aerosol source and the resistance heating element,

wherein a power amount supplied to the resistance heating element during one puff action is expressed by E,

wherein an amount of the aerosol source consumed during one puff action is expressed by L,

wherein the amount of the aerosol source consumed during one puff action is calculated according to an equation of L=aE+b, or the power amount supplied to the resistance heating element during one puff action is controlled according to an equation of E=(L−b)/a, and

wherein the specific values are the coefficients a and b.

25. An atomizing unit, comprising:

an aerosol source;

a resistance heating element configured to atomize the aerosol source by resistance electric heating; and

an information source including specific values associated with the aerosol source and the resistance heating element,

wherein a power amount supplied to the resistance heating element during one puff action is expressed by E,

wherein an amount of the aerosol source consumed during one puff action is expressed by L,

wherein the amount of the aerosol source consumed during one puff action is calculated according to an equation of L=aE+b, and

wherein the specific values are the coefficients a and b.

26. An atomizing unit, comprising:

an aerosol source;

a resistance heating element configured to atomize the aerosol source by resistance electric heating; and

an information source including specific values associated with the aerosol source and the resistance heating element or identification information associated with the specific values,

wherein a power amount supplied to the resistance heating element during one puff action is expressed by E,

wherein an amount of the aerosol source consumed during one puff action is expressed by L,

wherein the power amount supplied to the resistance heating element during one puff action is controlled according to an equation of E=(L−b)/a, and

wherein the specific values are the coefficients a and b.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 3, 2018
From: SUZUKI, AKIHIKO; IRIYA, TATSUAKI; NAKANO, TAKUMA; YAMADA, MANABU
To: JAPAN TOBACCO INC.
Reel/Frame 045425/0194 →
Priority Claims (1)
WO PCT/JP2015/077887 · Sep 30, 2015 · international
Continuity (2)
Continuation PCTJP2016078295 · Sep 26, 2016
Related Publication 20180220711A1 · Aug 9, 2018
Cited By (4)
US 12,520,880 US 12,550,942 US 12,708,143 US 12,727,625