Cigarette Filter Adsorbent and Flavor Capsule Design
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Solution Overview
Problem
Existing cigarettes do not efficiently remove gas phase components and provide desirable sensory characteristics to mainstream tobacco smoke, despite incorporating carbonaceous materials in their filters.
Innovation Solution
A cigarette design featuring a filter element with granular adsorbent materials like activated carbon and encapsulated flavoring agents in breakable capsules, dispersed throughout the filter material to alter smoke components and sensory experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If carbonaceous materials are incorporated into the filter element, then gas phase components are removed, but sensory characteristics are not efficiently provided
Solution Approach 1:
The patent combines carbonaceous materials (for gas phase removal) with encapsulated flavoring agents (for sensory characteristics) within the same filter element. This merging allows both functions to operate simultaneously, resolving the contradiction between harmful factor removal and sensory characteristic provision.
Solution Approach 2:
The filter element uses a composite structure incorporating both carbonaceous materials and encapsulated flavoring agents. This composite approach enables the filter to simultaneously address gas phase component removal while providing desired sensory characteristics through the flavoring agents.
2Object-affected harmful factors
If filter material is used to remove smoke components, then gas phase components are reduced, but sensory characteristics are altered negatively
Solution Approach 1:
The patent applies local quality by placing different functional materials in specific regions of the filter element. Carbonaceous materials are positioned for gas phase removal, while encapsulated flavoring agents are distributed to provide sensory characteristics. This localized functional distribution resolves the contradiction between removal efficiency and sensory preservation.
Solution Approach 2:
The encapsulated flavoring agents act as intermediaries that modify the sensory characteristics of the smoke after it passes through the carbonaceous material. This intermediary approach allows the carbonaceous material to perform its removal function while the flavoring agents compensate for and enhance sensory characteristics.
3Object-affected harmful factors
If adsorbent materials are incorporated to remove gas phase components, then smoke purification is improved, but device complexity increases
Solution Approach 1:
The filter element achieves multi-functionality by incorporating both carbonaceous materials for gas phase removal and encapsulated flavoring agents for sensory enhancement within a single integrated structure. This universal design allows one filter element to perform multiple functions, reducing overall device complexity despite the added materials.
Solution Approach 2:
The patent utilizes parameter changes by controlling the physical and chemical properties of the incorporated materials. The carbonaceous materials and encapsulated flavoring agents are selected and positioned to optimize both gas phase removal and sensory characteristics, achieving effective purification without excessive complexity through careful parameter selection.
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
Effectively reduces gas phase components and enhances the sensory characteristics of mainstream smoke by incorporating adsorbent materials and flavoring agents, providing a more enjoyable smoking experience.
Implementation Method 1
The filter element incorporates an effective amount of an adsorbent material such as a carbonaceous material (e.g., a charcoal or activated carbon type of material). The amount of carbonaceous material or other adsorbent within the filter element is sufficient to alter gas phase components (e.g., reduce the levels of certain gas phase components) in the mainstream smoke passing through the filter element.
Implementation Method 2
The filter element incorporates a plurality of breakable capsules, or rupturable encapsulating materials, incorporating at least one flavoring agent for enhancing or otherwise altering the sensory characteristic of mainstream smoke.
Data Source
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AI summary
A filtered cigarette possesses a smokable rod and a filter element. The filter element possesses a segment incorporating filter material (e.g., cellulose acetate tow) having carbonaceous material (e.g., activated charcoal particles) or other adsorbent dispersed throughout the filter material, and encapsulated flavoring agent (e.g., flavor- containing microcapsules) dispersed throughout the filter material.