Multi-Chamber Scent Cartridge with Valves for Leakage Control

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Solution Overview

Problem

Existing scent dispensing apparatuses in industries like automotive are limited by over-delivery, singular scent options, and lack of design for automotive environments, leading to inefficiencies and user experience issues.

Innovation Solution

A replaceable cartridge with multiple chambers and valves that allow independent airflow control, featuring a scent-neutral chamber for odor dissipation and a solid-state scent media to withstand extreme conditions, along with an airflow source for enhanced scent management and reduced leakage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If traditional scent dispensing apparatuses are used, then scent delivery is achieved, but over-delivery of scents occurs and scent leakage happens

Engineering Contradiction:

Improvescent delivery quantityVSAvoidscent leakage

Core Design Contradiction:

Quantity of substanceVSObject-generated harmful factors

Solution Approach 1:

The scent dispensing system is divided into multiple independent chambers, each capable of storing and dispensing different scents. This segmentation allows for precise control over scent delivery to each chamber, preventing over-delivery and leakage by isolating scent containment to discrete, manageable sections rather than a single large reservoir.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The system incorporates controllable airflow mechanisms that dynamically adjust the flow of air through each chamber based on operational needs. This dynamic control enables the system to deliver scents at appropriate rates and to stop delivery when not needed, preventing both over-delivery and leakage conditions.

Inventive Principle:

Principle #15Dynamics

2Adaptability or versatility

If traditional scent dispensers are used, then basic scent delivery is achieved, but only singular scents and limited fragrance options are available

Engineering Contradiction:

Improvescent varietyVSAvoidapparatus structure

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The dispensing apparatus is segmented into multiple independent chambers, where each chamber can store a different scent or fragrance. This segmentation enables the system to offer diverse scent options without requiring a completely different apparatus for each scent type, thus increasing versatility while maintaining a unified device structure.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The multi-chamber design creates a universal apparatus that can dispense multiple different scents through a single device. Each chamber functions independently but contributes to the overall versatility of the system, allowing one apparatus to perform the function of multiple single-scent dispensers.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Reliability

If sealed packaging is used for cartridges, then scent leakage during storage is prevented, but packaging complexity and customer handling difficulty increase

Engineering Contradiction:

Improvescent containment during storageVSAvoidunboxing and installation ease

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The cartridge system divides scent containment into separate, self-contained chambers within each cartridge. This segmentation allows individual cartridges to be packaged and stored independently with simpler sealing requirements, reducing overall packaging complexity while maintaining reliable scent containment during storage and transport.

Inventive Principle:

Principle #1Segmentation

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 solution provides a richer sensory experience, minimizes scent leakage, and improves user experience by allowing independent scent control, reducing packaging needs, and prolonging the life of the scent media through effective odor management and environmental resilience.

Implementation Method 1

A valve that provides a physical seal can prevent leakage of scent molecules and turn off or block airflow.

Methodology Applied

Scientific EffectPhysical seal:

Implementation Method 2

The replaceable cartridge may further comprise an airflow source configured to generate an airflow through at least one chamber.

Methodology Applied

Scientific EffectAirflow generation:

Implementation Method 3

A scent-neutral component may help flush stray scent molecules from the device without introducing additional scents.

Methodology Applied

Scientific EffectAirflow ventilation:

Implementation Method 4

This ventilation carries the scent away from the device and increases scent diffusion and dissipation.

Methodology Applied

Scientific EffectScent dissipation: Diffusion

Data Source

PatentUS11279208B2Cartridge and a system for scent dispensing and a vehicle comprising a scent dispensing system

Publication Date: 2022.03.22 BAYERISCHE MOTOREN WERKE AG

AI summary

Embodiments generally relate to a cartridge and a system for scent dispensing and a vehicle comprising a scent dispensing system. In particular, embodiments relate to a concept for a scent dispensing cartridge. A replaceable cartridge for a scent dispensing system comprises one or more chambers for storing scent media, a chamber having an air inlet and an air outlet that allows air to flow through the chamber; and one or more valves to prevent air from flowing through the one or more chambers.