Electronic Cigarette Atomizing Assembly Leakage Prevention

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Solution Overview

Problem

Conventional electronic cigarettes face the risk of e-liquid leakage due to the continuous communication between the atomizing core and the e-liquid storage tank, which is not effectively addressed in existing designs.

Innovation Solution

The electronic cigarette design separates the atomizing core from the e-liquid storage tank when not in use, using a seal ring and first fixed seat to completely seal the e-liquid inlet, and allows exposure under external force for e-liquid flow when in use, with the atomizing assembly mounted on the battery assembly.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the atomizing core continuously communicates with the e-liquid storage tank, then e-liquid flow is ensured, but e-liquid leakage risk increases

Engineering Contradiction:
Improvee-liquid flow reliabilityVSAvoide-liquid leakage risk
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The atomizing core is designed to move dynamically between two positions: a first position where it communicates with the e-liquid storage tank for atomization, and a second position where it is separated from the tank to prevent leakage. This dynamic positioning resolves the contradiction by allowing the system to switch between flow reliability and leakage prevention based on operational state

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

A blocking component is introduced as an intermediary element that can occlude the communication passage between the atomizing core and the e-liquid storage tank. This mediator allows the system to control e-liquid flow by blocking or unblocking the passage, thereby preventing leakage while maintaining the ability to ensure flow when needed

Inventive Principle:
Principle #24Intermediary (Mediator)

2Volume of moving object

If the atomizing assembly is integrated with the battery assembly, then device size is reduced, but assembly complexity increases

Engineering Contradiction:
Improvedevice sizeVSAvoidassembly complexity
Core Design Contradiction:
Volume of moving objectVSDevice complexity

Solution Approach 1:

The electronic cigarette is divided into separable modules: an atomizing assembly and a battery assembly. The atomizing assembly can be easily attached to or detached from the battery assembly, allowing the device to maintain a compact integrated form during use while simplifying assembly and replacement processes through modular design

Inventive Principle:
Principle #1Segmentation

3Object-affected harmful factors

If the atomizing core is sealed when not in use, then e-liquid leakage is prevented, but e-liquid flow is blocked

Engineering Contradiction:
Improvee-liquid leakage preventionVSAvoide-liquid flow availability
Core Design Contradiction:
Object-affected harmful factorsVSReliability

Solution Approach 1:

The communication passage between the atomizing core and e-liquid storage tank is designed to be dynamically controllable. When not in use, the passage is sealed to prevent leakage; when in use, the passage is opened to allow e-liquid flow. This dynamic control resolves the contradiction by switching the sealing state based on operational requirements

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system automatically controls the sealing and opening of the communication passage based on its operational state. The atomizing assembly's movement between positions automatically triggers the sealing or opening of the passage, eliminating the need for separate control mechanisms and ensuring reliable flow when needed while preventing leakage when not in use

Inventive Principle:
Principle #25Self-service

Data Source

PatentEP3636086B1Electronic cigarette
Publication Date: 2022.10.05 LIU TUANFANG
  • EP3636086B1 patent drawingFigure 1
  • EP3636086B1 patent drawingFigure 2
  • EP3636086B1 patent drawingFigure 3

AI summary

An electronic cigarette, including an atomizing assembly (A); and a battery assembly (B). The atomizing assembly is disposed on the battery assembly. The atomizing assembly includes a mouthpiece (1), a plug (2), an e-liquid storage tank (3), an atomizing core (5), a seal ring (4) adapting to seal the atomizing core, and a first fixed seat (6) adapting to fix the atomizing core. The atomizing core includes a first end and a second end. The seal ring is disposed on the first end of the atomizing core, and the first fixed seat sleeves the second end of the atomizing core. The e-liquid storage tank includes a cavity, and the seal ring, the atomizing core, and the first fixed seat are disposed in the cavity of the e-liquid storage tank. The plug is disposed on the e-liquid storage tank, and the mouthpiece is connected to the e-liquid storage tank.