Coffee Machine with Removable Insulator for Hot and Iced Brewing
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Solution Overview
Problem
Coffee machines with a single heating element for both brewing and warming struggle to efficiently brew iced coffee as the warming plate causes ice to melt, and cannot heat water without activating the warming plate, limiting their functionality.
Innovation Solution
A coffee machine design featuring a removable silicone insulator that isolates the warming plate from the receptacle in iced coffee mode, allowing for separate heating of water and warming plate elements, with a textured insulator providing air pockets and a raised border for the receptacle to fit within, enabling efficient brewing and chilling of coffee.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single heating element is used for both heating water and heating the warming plate, then device complexity is reduced and manufacturing cost is lowered, but the coffee machine cannot heat water without activating the warming plate, reducing operational flexibility
Solution Approach 1:
The heating system is segmented into two independent heating elements: one dedicated to heating water for brewing and another dedicated to heating the warming plate. This segmentation allows independent control of each heating function, enabling the coffee machine to heat water without activating the warming plate, thus resolving the contradiction between device simplicity and operational flexibility.
2Temperature
If the warming plate is activated to keep coffee warm after brewing, then coffee temperature is maintained, but any ice in the receptacle would melt, compromising iced coffee quality
Solution Approach 1:
The system dynamically adjusts the state of the warming plate based on the type of coffee being served. For iced coffee, the warming plate is deactivated or insulated to prevent ice melting. For hot coffee, the warming plate is activated to maintain temperature. This dynamic control resolves the contradiction between temperature maintenance and preventing harmful effects on ice.
Solution Approach 2:
An insulator is introduced as an intermediary between the warming plate and the receptacle when serving iced coffee. This insulator prevents thermal transfer from the warming plate to the ice-containing receptacle, allowing the warming plate to remain active for hot coffee preparation while protecting the ice from melting. The insulator can be removed when serving hot coffee to allow normal warming functionality.
3Object-affected harmful factors
If the warming plate is deactivated to prevent ice melting, then iced coffee quality is maintained, but the warming functionality for hot coffee is lost
Solution Approach 1:
The warming plate's operational state is dynamically controlled based on the brewing mode. The system can switch between activating the warming plate for hot coffee and deactivating it for iced coffee, ensuring optimal performance for each coffee type without permanent loss of functionality.
Solution Approach 2:
A removable insulator serves as a mediator that can be placed between the warming plate and receptacle when iced coffee is being prepared. This allows the warming plate to remain physically active and available for hot coffee, while the insulator temporarily prevents harmful thermal transfer during iced coffee preparation. The insulator is simply removed when hot coffee is needed, restoring full warming functionality.
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 the brewing of both hot and iced coffee while maintaining the warming functionality, preventing ice melt and allowing for efficient heating of water without activating the warming plate, thus enhancing user flexibility and efficiency.
Implementation Method 1
a portion of the hose is integrated into or located adjacent the heating element. Accordingly, the water in the hose is heated prior to reaching the brewing chamber
Implementation Method 2
heating element for heating both water at the hot water source and the warming plate
Implementation Method 3
The removable insulator insulates the warming plate from the receptacle in an iced coffee configuration
Implementation Method 4
The removable insulator is textured so as to provide air pockets between the warming plate and the receptacle
Data Source
AI summary
A coffee machine is provided which includes a hot water source for providing hot water for brewing, a warming plate for warming a receptacle for receiving coffee, and a heating element for heating both water at the hot water source and the warming plate. Also provided is a removable insulator for insulating the warming plate from the receptacle. The removable insulator insulates the warming plate from the receptacle in an iced coffee configuration and the removable insulator is removed from the warming plate in a hot coffee configuration.