U-Shaped Nebulizer Reservoir Enclosing Fluid Pump
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Solution Overview
Problem
Existing nebulizers face challenges in maximizing the volume of the fluid reservoir while maintaining a compact design and ensuring precise metering and simple construction.
Innovation Solution
The nebulizer design incorporates a reservoir that encloses the energy store or fluid pump in a U-shaped manner, allowing for a high volume and compact form factor, with a flexible fluid connection and multiple compartments for different fluids, enabling easy operation and precise metering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the reservoir volume is increased to maximize fluid capacity, then the volume capacity is improved, but the device size increases and compact design is compromised
Solution Approach 1:
The reservoir is arranged to enclose the energy store or fluid pump, with the reservoir extending around these components in a U-shaped manner. This nesting arrangement allows the reservoir to utilize the space around the central components, maximizing fluid capacity while maintaining a compact overall device footprint.
Solution Approach 2:
The reservoir is configured to extend in multiple spatial dimensions around the energy store or pump, rather than simply increasing in one direction. This multi-dimensional arrangement optimizes space utilization and achieves high volume capacity within a compact form factor.
2Quantity of substance
If the reservoir is arranged around the energy store or fluid pump to maximize volume, then the volume capacity is improved, but the device complexity increases
Solution Approach 1:
The reservoir structure is merged with the housing that contains the energy store or fluid pump, forming an integrated assembly. The reservoir extends around these components and the housing provides structural support, combining multiple functions into a unified structure that reduces overall device complexity.
3Ease of operation
If a flexible fluid connection is used to connect the reservoir to the fluid pump, then ease of operation is improved, but manufacturing precision requirements increase
Solution Approach 1:
A flexible fluid connection is used to connect the reservoir to the fluid pump, allowing relative movement between components during operation. This flexible connection accommodates operational movements and assembly tolerances, maintaining ease of operation while reducing stringent manufacturing precision requirements.
Data Source
AI summary
A reservoir for a nebulizer includes: a tank or bag containing multiple doses of a fluid to be nebulized, and an indicator device for counting or indicating a number of uses performed or still possible with the reservoir, where at least one of: the reservoir includes a connector for fluidically connecting the tank or bag with the nebulizer, the indicator device is actuated by moving the connector relative to the tank or bag, and the reservoir includes or forms an eccentrical linear guidance for a driving part for driving the indicator device.