Electric Kettle Lid Steam Channels for Pressure Release and Leak Control
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Solution Overview
Problem
Electric kettles face challenges in releasing pressure while boiling and minimizing water leakage when tilted, as single steam channels either fail to release pressure sufficiently or lead to excessive water leakage due to increased lid thickness or additional pressure release holes.
Innovation Solution
The electric kettle features a lid body with two steam channels, each with a first and second inlet port on opposite sides, guiding steam to a discharge port, with channels folded back to enhance pressure release and minimize leakage by distributing steam effectively and preventing water flow during tilting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the inner diameter of the steam channel is increased to ensure sufficient steam flow, then pressure release is improved, but the lid body thickness increases causing excessive water leakage when the kettle falls on its side
Solution Approach 1:
The invention divides the single steam channel into multiple separate channels (first steam channel and second steam channel). Each channel has a smaller inner diameter that prevents water leakage when the kettle falls, while the collective effect of multiple channels ensures sufficient pressure release during boiling.
2Object-affected harmful factors
If a single steam channel is used, then the lid body remains thin preventing water leakage, but pressure in the kettle cannot be sufficiently released while water is boiling
Solution Approach 1:
The invention segments the steam discharge function into multiple independent channels. This allows the lid to maintain a thin profile that prevents water leakage while the combined capacity of multiple channels provides sufficient pressure release during boiling.
3Reliability
If additional pressure release holes are provided in the kettle side face or lid body, then pressure release is improved, but water may leak from the pressure release hole when the kettle falls on its side
Solution Approach 1:
Instead of adding more pressure release holes that could leak water, the invention segments the steam discharge through multiple dedicated steam channels with controlled inner diameters. These channels are positioned and sized to release pressure effectively while preventing water leakage when the kettle is tilted or falls.
Solution Approach 2:
The invention applies different characteristics to different parts of the steam discharge system. The steam channels have specific inner diameters optimized for their dual function of pressure release and water leakage prevention, rather than using uniform holes throughout the lid body.
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
This design reliably releases pressure during boiling and minimizes water leakage when the kettle is tilted, ensuring efficient steam discharge and containment.
Implementation Method 1
a steam channel for discharging steam produced in the container to the outside is formed in the lid body
Implementation Method 2
in order to reduce the pressure in the container raised when the water is boiling
Data Source
AI summary
A lid body of an electric kettle has a first inlet port, a second inlet port, and a discharge port, and a first channel and a second channel provided in the lid body for guiding the steam introduced through the first inlet port and the second inlet port to the discharge port, respectively. The first inlet port and the second inlet port are disposed on opposite, left and right, sides of a front-rear centerline of the lid body. The first channel extends from the first inlet port to the side of the second inlet port beyond the front-rear centerline and is folded back on the side of the second inlet port. The second channel extends from the second inlet port to the side of the first inlet port beyond the front-rear centerline and is folded back on the side of the first inlet port.