Rotatable Beverage Lid Assembly for Heat Transfer and Spill Damping
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Solution Overview
Problem
Existing beverage container lids do not effectively allow users to selectively transfer heat from hot beverages before consumption and prevent spillage, lacking efficient control over beverage movements and damping functionality.
Innovation Solution
The development of beverage container lid assemblies with a primary and secondary lid attachment system, where the secondary lid is rotatable relative to the primary lid, incorporating beverage flow diversion structures and a radially peripheral flow channel to enhance heat transfer and prevent spillage through a combination of radially centralized, downwardly-bowed portions and radially double-walled secondary lid attachments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a traditional lid construction is used, then the structure is simple, but the ability to control beverage movements and transfer heat is insufficient
Solution Approach 1:
The lid is divided into multiple functional segments: a primary lid form with a beverage outlet, a secondary lid attachment with flow diversion structures, and a container insert with damping portions. Each segment performs a specific function related to beverage flow control and heat transfer, allowing the system to achieve superior temperature management while maintaining reasonable structural organization
Solution Approach 2:
The patent implements a nested structure where the container insert is placed inside the beverage container, the primary lid form covers the container opening, and the secondary lid attachment is positioned on top of the primary lid. This nested arrangement allows multiple functional layers to coexist in a compact configuration, enhancing heat transfer and flow control without requiring excessive horizontal space
2Ease of operation
If a rotatable secondary lid attachment is added, then beverage flow control is improved, but the device complexity increases
Solution Approach 1:
The secondary lid attachment is designed to be rotatable relative to the primary lid form, allowing the beverage flow diversion structures to dynamically adjust their orientation. This rotational capability enables users to control beverage flow direction and rate by simply rotating the secondary attachment to different angular positions, providing ease of operation without complex mechanical mechanisms
Solution Approach 2:
The secondary lid attachment serves multiple functions: it diverts beverage flow through its flow diversion structures, allows rotational adjustment for user control, and works in conjunction with the primary lid and container insert to provide both flow management and heat transfer. This multi-functionality reduces the need for separate dedicated components for each function
3Temperature
If radially peripheral flow channels are implemented, then heat transfer efficiency is enhanced, but manufacturing complexity increases
Solution Approach 1:
The patent incorporates radially peripheral flow channels with curved, arc-shaped pathways that follow the circular geometry of the lid assembly. These curved channels naturally guide beverage flow in a radial pattern around the perimeter, maximizing exposure to the lid surfaces for heat transfer while maintaining a form that can be achieved through standard rotational molding or injection molding processes
4Reliability
If a container insert with damping portions is added, then spillage prevention is improved, but the device complexity increases
Solution Approach 1:
The damping function is extracted as a separate container insert component with specific damping portions, rather than being integrated into the lid structure itself. This insert can be independently manufactured and inserted into the beverage container, providing spillage prevention through its damping portions while keeping the lid assembly relatively simple
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
Enables users to control beverage movements for enhanced heat transfer and spillage prevention by allowing manual rotation of the secondary lid and utilizing radially peripheral flow channels for efficient heat dissipation and containment.
Implementation Method 1
radially peripheral flow channel to enhance heat transfer
Implementation Method 2
radially double-walled secondary lid attachments
Data Source
AI summary
A beverage container lid assembly and insert enable a user to selectively control contained beverage movements when outfitted upon a beverage container. The lid assemblies include a primary lid form having a primary beverage outlet and a circular transverse cross-section and a secondary lid attachment cooperably engaged with the primary lid form for providing certain beverage flow diversion structure. The secondary lid attachment is rotatable relative to the primary lid form about a lid axis of rotation. The lid assembly may be attached to a beverage container such that the user may manually rotate the secondary lid attachment relative to the primary lid form for manually and selectively positioning the beverage flow diversion structure relative to the primary beverage outlet. The container insert includes a container-engaging first portion and a beverage-damping second portion. The second portion extends inwardly relative to the first portion for deflecting upwardly directed beverage.