Spray Cap System With Bowtie Orifice And Asymmetric Flow
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing spray cans have uncontrolled discharge patterns due to suboptimal design of spray tips and flow chambers, leading to uneven surface coverage, and integrated implements are often awkward and non-ergonomic, limiting their usability in tight spaces.
Innovation Solution
A spray cap system with a cylindrical tapered skirt, a spray button, a flow chamber, and a spray nozzle with fluted inner walls and a bowtie-shaped orifice, along with an implement holder that allows for interchangeable implements, ensuring consistent and accurate dispensing and improved ergonomics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If existing spray tips with perpendicular discharge flow path are used, then the contents can be dispensed through the orifice, but the discharge pattern becomes uncontrolled and coverage becomes uneven
Solution Approach 1:
The spray tip employs an asymmetric flow chamber design where the flow path is not perpendicular but angled relative to the orifice. This asymmetric configuration allows the contents to flow along the inner wall of the flow chamber, creating a controlled discharge pattern that eliminates the uncontrolled spray characteristic of perpendicular designs while maintaining dispensing functionality.
Solution Approach 2:
The flow chamber incorporates a specific geometric configuration with an angled flow path that directs contents along the inner wall toward the orifice. This localized geometric modification creates different flow characteristics in different regions of the flow chamber, enabling controlled discharge pattern while maintaining overall system simplicity.
2Adaptability or versatility
If integrated implements are added to spray caps, then functionality is enhanced, but ergonomics deteriorate and usability in tight spaces is reduced
Solution Approach 1:
The system separates the spray cap from the implement, allowing them to be independent components. The spray cap can be used alone for spraying, while implements can be attached when additional functionality is needed. This segmentation eliminates the ergonomic problems of integrated designs where the implement and spray cap are permanently combined, while still providing versatility when required.
Solution Approach 2:
The implement attachment mechanism allows the implement to be dynamically attached or removed from the spray cap based on operational needs. This dynamic configuration enables the system to adapt between spray-only mode (better ergonomics) and combined spray-plus-implement mode (enhanced functionality), resolving the contradiction between versatility and ease of operation.
3Device complexity
If existing spray tips are used, then dispensing is simple, but the orifice can rotate and discharge pattern remains uncontrolled
Solution Approach 1:
The spray tip uses an asymmetric geometric configuration where the flow chamber and orifice are positioned at specific angles relative to each other. This asymmetric design inherently prevents rotation by creating a unique orientation that must be maintained for proper function, thereby ensuring consistent discharge pattern control without adding complex locking mechanisms.
4Adaptability or versatility
If removable implements are added to spray caps, then versatility is improved, but locking mechanisms are needed which increase complexity
Solution Approach 1:
The system divides the implement attachment function into separate components: a mounting structure on the spray cap and a corresponding attachment interface on the implement. This segmentation allows for simple, tool-free attachment and removal without requiring complex locking mechanisms, while still providing secure connection and implement interchangeability.
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 system provides consistent and accurate dispensing of spray can contents with improved surface coverage and ergonomic usability, allowing for efficient use in various environments, including small and tight spaces.
Implementation Method 1
a spray nozzle with fluted inner walls for directing a flow of the contents of the can
Implementation Method 2
a bowtie-shaped orifice in communication with the chamber
Data Source
AI summary
A spray cap system is described that can enable a user to more consistently and accurately dispense and work with the contents of a spray can. The system includes a spray cap, spray button, spray nozzle, implement holder, and an implement (such as a brush, a foam pad applicator, or a sponge). By using the spray cap system, a user may achieve a more optimal discharge pattern of the contents of the can with a more efficient and optimal coverage of a surface. In addition, the user may utilize the implement while it is attached to the spray cap or remove the implement to use the implement independently. The spray cap system provides versatility to a user by enabling the user to spray the contents of the spray can regardless of whether the implement is attached to the spray cap.