Head Encapsulation Unit with Neck Seal for Virus Filtration

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Solution Overview

Problem

Existing air filtration devices fail to form a sufficient seal with the user's skin, particularly due to facial hair, and leave the eyes and ears exposed to harmful viruses and bacteria, allowing unfiltered air to bypass the filtering mechanism during facial movements or when the seal is broken.

Innovation Solution

A head encapsulation unit with a cap and seal design that fits over the head and neck, featuring a resilient and flexible housing with a transparent front panel, offset filters, and a stretchable seal with a cushion to ensure a secure fit without extensive training, preventing contaminated air from entering and allowing for easy communication and hydration.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If prior art filtration devices are used, then air filtering function is provided, but sufficient seal with user's skin cannot be formed due to facial hair

Engineering Contradiction:
Improveseal effectivenessVSAvoidvirus bypass through facial hair
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The head encapsulation unit divides the sealing interface into multiple segments: the cap seals around the head perimeter, the seal seals around the neck, and the transparent panel seals to the cap. This segmentation allows each seal to address specific anatomical features independently, with the cap and seal design working together to compensate for facial hair interference at any single location.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The cap acts as an intermediary component between the head and the seal. It provides a stable mounting surface for the seal and creates a sealed environment around the head, allowing the seal to form an effective barrier around the neck without directly competing with facial hair for seal contact.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If prior art filtration devices are used, then filtering mechanism is provided, but seal breaks during facial movements such as talking, smiling, coughing or sneezing

Engineering Contradiction:
Improveseal stabilityVSAvoidfacial movement freedom
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The sealing interface is moved from the facial plane to the neck dimension. The seal wraps around the neck in a vertical orientation, perpendicular to the facial movements that occur in the horizontal plane. This dimensional change allows facial expressions and movements without compromising the seal integrity.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The seal is constructed as a flexible, stretchable component that can accommodate neck movements and variations in neck size. The flexibility allows the seal to maintain contact with the neck during head movements while the cap and transparent panel remain relatively rigid to maintain structural integrity.

Inventive Principle:
Principle #30Flexible shells and thin films

3Object-affected harmful factors

If prior art filtration devices are used, then air filtration is provided, but eyes and ears remain exposed to harmful viruses and bacteria

Engineering Contradiction:
Improveexposure of eyes and earsVSAvoidfull head coverage design
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The device merges multiple protective functions into a single integrated unit: the cap covers the head and houses the filtration mechanism, the seal covers the neck, and the transparent panel covers the facial area. This consolidation ensures that eyes, ears, mouth, and nose are all protected within one sealed system rather than requiring separate devices for each opening.

Inventive Principle:
Principle #5Merging (Combining)

4Reliability

If head encapsulation unit is designed with cap and seal, then secure seal is achieved, but device complexity increases

Engineering Contradiction:
Improveseal securityVSAvoidcap and seal structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The cap serves multiple functions: it houses the filtration mechanism, provides the mounting structure for the transparent panel, supports the seal attachment, and creates the sealed head environment. The seal similarly provides both sealing and structural support functions. This multi-functionality reduces the need for additional separate components.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

The head encapsulation unit effectively traps harmful contaminants, protecting the user's mucous membranes and preventing the spread of viruses, while allowing for unobstructed breathing and speaking without breaking the seal, even during facial movements.

Implementation Method 1

The filtering mechanism allows the person to breathe filtered air since the filtering mechanism traps harmful contaminants such as viruses

Methodology Applied
Scientific EffectFiltration: Filter (physical)

Implementation Method 2

The cushion may provide a seal against a user's neck when the strap is pulled and attached to the base

Methodology Applied
Scientific EffectSealing: Physical Containment

Data Source

PatentUS11738217B2Head encapsulation unit
Publication Date: 2023.08.29 SINGER NICHOLAS J
  • US11738217B2 patent drawing
  • US11738217B2 patent drawing
  • US11738217B2 patent drawing

AI summary

A head encapsulation unit is disclosed which filters virus contaminated air. The head encapsulation unit does not require a fitting process since the primary interface between the head encapsulation unit and the user is the user's neck. The head encapsulation unit has an expandable seal that a user can insert his or her head. The seal is then wrapped around and places light pressure against the person's neck so that virus contaminated air that does not enter the inner volume of the head encapsulation unit and infect the user. A cap at the upper portion of the unit and the seal aligns the head encapsulation unit on the user's head. This head encapsulation unit allows for both medical personnel and infected individuals to better and more easily communicate than mouth covered filters, goggles and face shield while offering substantially more mitigation from spreading an infection or being infected.