Electronic Vaping Device Power Control With Temperature Feedback

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Solution Overview

Problem

Existing electronic cigarettes suffer from inconsistent smoke volume and excessive heat production due to unregulated power control, leading to a suboptimal user experience and reduced battery life, with both unregulated and fully regulated systems failing to provide a satisfactory smoking experience.

Innovation Solution

A variable power control program that includes self-priming, regulated, and safety modes, dynamically adjusting power output based on puff timing and temperature feedback to maintain consistent smoke production and prevent overheating.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If unregulated power control is used, then initial smoke production is high, but smoke volume becomes inconsistent and excessive heat is produced

Engineering Contradiction:

Improvesmoke volumeVSAvoidheat production

Core Design Contradiction:

Quantity of substanceVSTemperature

Solution Approach 1:

The power control system dynamically adjusts voltage output based on real-time temperature feedback from the atomizer. When the atomizer temperature exceeds a threshold, the system reduces voltage to prevent overheating; when temperature is acceptable, voltage is increased to maximize smoke production. This dynamic adjustment resolves the contradiction between maintaining high smoke volume and preventing excessive heat.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system incorporates a temperature sensor that continuously monitors atomizer temperature and feeds this information back to the power control circuit. The feedback loop enables the system to automatically adjust power output in response to temperature conditions, ensuring consistent smoke production while preventing overheating and maintaining uniform smoking experience throughout battery discharge.

Inventive Principle:

Principle #23Feedback

2Duration of action of stationary object

If battery voltage is regulated to maintain uniform output, then battery life is extended, but atomizer warming time is increased and initial smoke production is reduced

Engineering Contradiction:

Improvebattery lifeVSAvoidpriming time

Core Design Contradiction:

Duration of action of stationary objectVSLoss of time

Solution Approach 1:

The system performs preliminary heating action by detecting when the atomizer temperature is insufficient and automatically increasing voltage output during the priming stage. This preliminary action warms up the atomizer quickly before transitioning to regulated mode, reducing the time loss associated with priming while still extending overall battery life through subsequent voltage regulation.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The power control system operates in periodic cycles, alternating between high-power priming mode and regulated smoking mode. During brief priming intervals, voltage is elevated to rapidly warm the atomizer; during normal operation, voltage is regulated to conserve battery. This periodic action resolves the contradiction by concentrating the time loss into brief priming intervals rather than continuous regulation.

Inventive Principle:

Principle #19Periodic action

3Quantity of substance

If maximum battery output is maintained, then smoke production is maximized, but device overheating occurs and battery life is reduced

Engineering Contradiction:

Improvesmoke volumeVSAvoidbattery energy consumption

Core Design Contradiction:

Quantity of substanceVSLoss of energy

Solution Approach 1:

The system changes the operating parameters of the battery based on atomizer temperature conditions. When the atomizer is properly warmed and within safe temperature ranges, the system maintains high voltage output to maximize smoke volume. When temperature thresholds are exceeded, the system reduces voltage to prevent overheating and conserve battery energy. This parameter change strategy resolves the contradiction between maximizing smoke production and preventing energy waste through overheating.

Inventive Principle:

Principle #35Parameter changes

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Ensures a consistent and satisfying smoking experience by automatically priming the device, conserving battery life, and preventing overheating, thereby enhancing user satisfaction and device reliability.

Implementation Method 1

the atomizer heats the smoke juice to create smoke to vapor

Methodology Applied

Scientific EffectHeating: Heating

Implementation Method 2

The battery is used to power the circuit and the atomizer

Methodology Applied

Scientific EffectBattery (electricity): Battery (electricity)

Data Source

PatentUS20250275581A1Variable power control electronic vaping device

Publication Date: 2025.09.04 ALTRIA CLIENT SERVICES LLC

AI summary

Disclosed are an electronic cigarette and methods for controlling the power to the electronic cigarette which provides various modes of operation, including both regulated and no-regulated mode. The method is implemented m the form of an electronic power control program that controls the constituent parts of the electronic cigarette, including the battery, atomizer, heating element, smoke liquid or juice, and related circuitry.