Pressurized Container Cap Assembly for Controlled Fluid Dispensing
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Solution Overview
Problem
Existing surface cleaning devices face challenges in effectively dispensing treating chemistry onto various surfaces, such as carpets and hard floors, due to limitations in fluid dispensing systems, which often result in inefficient debris removal and soiling material management.
Innovation Solution
A container and cap assembly that includes a cap with air and liquid inlets and outlets, featuring a camming surface and locking mechanism, allows air to pressurize the container, displacing the treating chemistry through a fluid outlet for efficient dispensing onto surfaces, while minimizing leakage and accommodating different surface cleaning device receivers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If air is used to pressurize the container to dispense treating chemistry, then dispensing efficiency is improved, but leakage control becomes more difficult
Solution Approach 1:
The cap includes a pressure-regulating vent that changes the pressure parameters inside the container. The vent allows excess pressure to escape at controlled rates, preventing over-pressurization while maintaining enough pressure for effective dispensing. This parameter control resolves the contradiction by enabling high dispensing efficiency while preventing leakage through regulated pressure release.
Solution Approach 2:
The pressure-regulating vent acts as an intermediary between the pressurization system and the container interior. It mediates the pressure transmission by allowing controlled pressure equalization, preventing direct uncontrolled pressure buildup that would cause leakage while still enabling effective dispensing through the treating chemistry outlet.
2Reliability
If the cap design includes multiple seals and valves for controlled dispensing, then leakage is minimized, but device complexity increases
Solution Approach 1:
The cap design merges multiple functions into a single integrated structure. The pressure-regulating vent combines sealing, pressure control, and flow regulation functions in one component rather than requiring separate valves and seals for each function. This merging reduces the overall number of parts while maintaining reliable leakage control.
Solution Approach 2:
The pressure-regulating vent serves multiple functions simultaneously: it seals the container opening, regulates internal pressure, controls dispensing flow rate, and prevents over-pressurization. This multi-functionality eliminates the need for multiple separate components, reducing device complexity while maintaining reliable leakage control.
3Adaptability or versatility
If the container is designed to be compatible with multiple surface cleaning devices, then adaptability is improved, but manufacturing precision requirements increase
Solution Approach 1:
The cap is designed as a separate, removable component that interfaces with both the container and various surface cleaning devices. This segmentation allows the cap to serve as a universal adapter, accommodating different device interfaces through its standardized mounting features while maintaining precise sealing surfaces for reliable operation across multiple device types.
Solution Approach 2:
The cap design incorporates universal interface features that enable compatibility with multiple surface cleaning device types. By designing the cap with standardized connection mechanisms and adjustable sealing surfaces, it can adapt to different receivers while maintaining the required manufacturing precision for reliable sealing and dispensing across various device platforms.
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 container and cap assembly ensures effective dispensing of treating chemistry onto surfaces with minimal leakage, compatible with multiple surface cleaning devices, and allows for controlled flow rates, enhancing cleaning efficiency and user convenience.
Implementation Method 1
Air can flow through the at least one fluid inlet and through the opening of the container into the cavity to pressurize the cavity to displace at least a portion of the material through the opening of the container and the at least one fluid outlet
Data Source
AI summary
A cap for closing an opening in a container, the container having a top wall in which the opening is formed, a bottom wall, and at least one container side wall extending between the top wall and the bottom wall defining a cavity for storing a material for dispensing through the cap includes an end face having at least one fluid inlet adapted to allow air to flow through the cap and at least one fluid outlet, separate from the at least one fluid inlet, adapted to allow liquid to flow through the cap, a side wall extending from the end face, and a retaining element provided on at least a portion of the side wall.