Deformable Pouch Dispenser With Tilt Head for Low-Effort Dosing
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Solution Overview
Problem
Existing fluid dispensing devices face challenges in compactness, ergonomics, manufacturing, recharging, priming, hygiene, and recycling, with a need for improved usability and efficiency.
Innovation Solution
A fluid distribution device featuring a deformable pouch with a distribution head that tilts to adjust volume, a long lever arm for reduced dispensing effort, and anti-drip mechanisms, utilizing flexible and recyclable materials for enhanced ergonomics and sustainability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional rigid pump mechanism is used, then fluid dispensing is reliable, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent replaces the traditional rigid mechanical pump system with a flexible membrane-based dispensing system. The flexible membrane (34) deforms under user pressure to directly dispense fluid through the nozzle, eliminating complex pump mechanisms, valves, and moving parts while maintaining reliable fluid dispensing functionality.
Solution Approach 2:
The patent employs a flexible membrane (34) made of elastomeric material that forms the dispensing element. This thin film structure replaces rigid mechanical components, allowing the system to achieve fluid dispensing through elastic deformation rather than mechanical pumping, thereby reducing device complexity.
2Volume of moving object
If a compact design is implemented, then the device portability is improved, but the lever arm length for dispensing effort is reduced
Solution Approach 1:
The patent positions the nozzle at the periphery of the flexible membrane rather than at the center, creating an extended lever arm that radiates outward from the membrane center. This dimensional arrangement allows the nozzle to be located at maximum distance from the pressure application point, optimizing mechanical advantage without increasing the overall volume of the dispensing device.
Solution Approach 2:
The patent utilizes the dynamic deformation of the flexible membrane under user pressure to create variable leverage. As the membrane deforms, the effective lever arm length adjusts dynamically, providing mechanical advantage during the dispensing stroke while maintaining a compact form factor.
3Ease of manufacture
If recyclable flexible materials are used, then environmental sustainability is improved, but the material strength and durability may be reduced
Solution Approach 1:
The patent employs composite construction with the flexible membrane (34) made of elastomeric material and the housing (18) made of rigid recyclable plastic. This composite approach allows each material to perform its optimal function - the elastomer provides flexibility and sealability for recyclability, while the rigid plastic provides structural strength and durability.
Solution Approach 2:
The patent uses a flexible membrane made of recyclable elastomeric material that, while more compliant than rigid plastics, is engineered with sufficient thickness and material properties to maintain adequate strength for its dispensing function. The flexible nature actually enhances recyclability by allowing the material to be molded into complex shapes in a single piece without rigid joints.
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 device achieves efficient fluid dispensing with reduced effort, improved ergonomics, and enhanced recyclability, addressing the challenges of existing technologies.
Implementation Method 1
an inclined position at an angle of inclination relative to the stable position when an external force is exerted on the head, so as to deform the deformable wall and thus decrease the internal volume of the pouch
Implementation Method 2
a distribution head fixed on the deformable wall of the pouch such that the distribution head is supported by the deformable wall in different possible positions relative to the reservoir, including at least: a stable position in the absence of an external force exerted on the head and an inclined position at an angle of inclination relative to the stable position when an external force is exerted on the head
Data Source
Figure 1~3
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AI summary
The invention relates to a fluid dispensing device comprising: - an outlet (24), a bag (2) having an internal volume for containing a fluid, the internal volume being delimited at least partially by a movable wall (4), a container (6) arranged to contain the fluid, a bag stopper (40), a cavity (122), a container opening (124) forming a junction between the container (6) and the cavity (122); characterised in that the bag stopper is arranged to be mounted by insertion into the cavity (122) of the device so as to be mounted extending: - through the bag (2) at least partially while passing through the movable wall (4) or - along the bag (2) at least partially, the device comprising an inlet opening arranged for inserting the bag stopper (40) into the device from outside the device and opening into the cavity (122).