Baby Bottle Vent Valve Assembly With Low-Suction Leak Control
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Solution Overview
Problem
Existing venting systems in baby feeding bottles require significant sucking pressure to open slits, potentially straining infants' ears and can lead to leakage issues due to the healing of silicone materials over time, and are costly to manufacture.
Innovation Solution
A vent valve assembly with a rigid vent disc featuring small open holes and a thin flexible flap that requires minimal suction pressure to open, preventing liquid leakage and maintaining functionality over time, made from cost-effective materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If slits are used in flexible members to vent vacuum, then air can flow into the bottle, but significant sucking pressure is required to open the slits which may strain infants' ears
Solution Approach 1:
The patent uses a porous membrane instead of slits to create numerous small vent holes that allow air flow at much lower suction pressures, eliminating the strain on infants' ears while maintaining effective vacuum relief
2Reliability
If silicone materials are used for flexible venting members, then the material is suitable for the application, but the materials are very expensive
Solution Approach 1:
The patent changes the material parameter from expensive silicone to cost-effective plastics or elastomers, maintaining the required flexibility and reliability of the venting member while significantly reducing manufacturing costs
3Duration of action of moving object
If slits are formed in silicone flexible members, then venting can occur, but the materials begin to heal at the slit over time causing activation suction pressure to increase
Solution Approach 1:
The patent employs a porous membrane structure where the vent holes remain open and do not heal over time, maintaining consistent low activation pressure throughout the product lifecycle unlike slit-based designs
4Reliability
If small open holes are used in a rigid vent disc, then liquid leakage is prevented, but assembly and disassembly may become complex
Solution Approach 1:
The patent divides the vent valve assembly into separable components including the rigid vent disc with porous membrane, flexible venting member, and housing, allowing easy assembly and disassembly while maintaining effective liquid leakage prevention through the porous structure
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 reduces the strain on infants during feeding by minimizing the required suction pressure and prevents leakage effectively, while being easier to assemble, disassemble, and clean, and is more cost-effective to produce.
Implementation Method 1
a thin flexible flap that covers and closes the at least one hole in the vent disc
Implementation Method 2
at least one small hole therethrough. The vent valve has a thin flexible flap that covers and closes the at least one hole in the vent disc
Data Source
AI summary
A vent valve, and a vent valve assembly, for a liquid dispensing container, employ a vent disc having small open vent holes in cooperation with an overlying thin flexible flap that covers and closes the vent holes to limit liquid pressure on the holes when the container is upright, yet require little suction pressure to move the flap to draw liquid or vent through the holes. The vent valve can be used in a bottom cap that is attachable to the bottom open end of the container. The vent valve assembly includes such a bottom cap, a sealing member for sealing the bottom cap to the container, and a vent valve. The vent valve and/or bottom cap have an elevated vent disc and a top portion having the thin flexible flap.