Heat-Activated Liquid Coffee Container for Filter-Free Brewing
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Solution Overview
Problem
Single-serve coffee makers using K-Cup pods generate excessive waste, harming the environment, as they require filters and produce used coffee grounds, leading to significant landfill accumulation.
Innovation Solution
A sealed container filled with liquid coffee concentrate, designed to be used in existing single-serve coffee makers, eliminating the need for filters and grounds by using a small, durable paper shell with a waterproof coating that melts when heated, allowing the concentrate and water to flow directly into a cup.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If single-serve ground coffee containers (K-Cup pods) are used, then coffee can be prepared quickly and conveniently, but excessive waste is generated harming the environment
Solution Approach 1:
The invention extracts and eliminates the filter and used coffee grounds from the single-serve system by using liquid coffee concentrate instead of ground coffee, thereby removing the primary waste-generating components while maintaining convenience
Solution Approach 2:
The invention changes the physical state of coffee from ground solid to liquid concentrate, fundamentally altering how coffee is stored and prepared, which eliminates the need for filters and grounds disposal
2Productivity
If K-Cup pods with filters are used, then single cup coffee can be prepared, but filters and used grounds create significant landfill accumulation
Solution Approach 1:
The filter component is completely removed from the system by using liquid concentrate that mixes directly with water, eliminating the material that becomes waste after use
Solution Approach 2:
Instead of brewing coffee from grounds through a filter, the invention inverts the process by starting with liquid concentrate and mixing with water, reversing the traditional brewing sequence and eliminating filter dependency
3Strength
If a sealed container with waterproof coating is used, then the container can be small and durable, but the coating must melt when heated to allow flow
Solution Approach 1:
The waterproof coating is designed to undergo a phase transition from solid to liquid when exposed to heat, allowing the container to remain sealed during storage but open for dispensing when heated by the coffee maker
Solution Approach 2:
The coating automatically melts and opens the container in response to heat from the coffee maker, eliminating the need for mechanical opening mechanisms or user intervention
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 solution reduces waste by eliminating the need for filters and grounds, allowing a single serving of coffee to be made with minimal environmental impact while using existing coffee maker infrastructure.
Implementation Method 1
a coating that covers the one or more holes and melts when contacted by water that has been heated by the heater
Data Source
AI summary
A system for preparing an individual serving of coffee using a liquid coffee concentrate includes a sealed container containing an amount of liquid coffee concentrate for the preparation of an individual serving of coffee. The system may include a coffee maker operable to prepare a single serving of coffee from the liquid coffee concentrate contained in the sealed container, the coffee maker including a coffee maker recess for receiving the sealed container, a needle for piercing an entrance hole in an upper portion of the sealed container while the sealed container is in the coffee maker recess, a water conduit by which water from a water source flows into the sealed container through the entrance hole, and a heater for heating the water. The system may include an adapter for receiving the sealed container and positioning the sealed container in the coffee maker recess.