Coffee Pod Filter with Hemispherical End and Large Base Opening

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Solution Overview

Problem

Existing single serving coffee cup pods are inefficient, leading to lower extraction of dissolvable coffee and coffee ground particulates in the brewed coffee due to inadequate side walls and back pressure issues.

Innovation Solution

A single serving coffee cup pod with a generally cylindrical frame and a base forming a chamber, equipped with a filter having an elongated body and a hemispherical filter end, featuring a significantly larger opening in the base to reduce back pressure and allow for better water flow and coffee extraction.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If a small opening is used in the base to control water flow, then water flow can be regulated, but back pressure increases causing poor coffee extraction and excessive particulate passage

Engineering Contradiction:
Improvewater flow controlVSAvoidcoffee extraction quality
Core Design Contradiction:
Quantity of substanceVSReliability

Solution Approach 1:

The patent changes the parameter of opening size from small to large, fundamentally altering the back pressure dynamics. The large opening in the base reduces back pressure, allowing water to flow freely through the coffee grounds without excessive resistance, thereby improving extraction quality while maintaining water flow control through the filter structure rather than opening size

Inventive Principle:
Principle #35Parameter changes

2Ease of manufacture

If inadequate side walls are used in the pod structure, then manufacturing is simpler, but coffee ground particulates pass through to the brewed coffee

Engineering Contradiction:
Improvepod structure manufacturingVSAvoidcoffee ground particulate passage
Core Design Contradiction:
Ease of manufactureVSObject-generated harmful factors

Solution Approach 1:

The patent applies local quality by providing side walls only in specific regions where needed for particulate containment, rather than requiring complete enclosure. The side walls are strategically positioned to intercept coffee ground particulates while maintaining manufacturing simplicity, balancing structural requirements with ease of production

Inventive Principle:
Principle #3Local quality

3Speed

If coffee grounds are not compressed into a dense filtration bed, then water flow is faster, but extraction of dissolvable coffee is reduced

Engineering Contradiction:
Improvewater flow speedVSAvoidcoffee extraction efficiency
Core Design Contradiction:
SpeedVSReliability

Solution Approach 1:

The patent employs preliminary action by compressing the coffee grounds into a dense filtration bed before water is introduced. This pre-compression creates the optimal filtration structure that enhances extraction efficiency, ensuring that when water flows through, it encounters sufficient resistance to extract dissolvable coffee compounds while maintaining controlled flow speed

Inventive Principle:
Principle #10Preliminary action

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 design enhances coffee flavor extraction by compressing the coffee grounds and forming a dense filtration bed, minimizing back pressure and particulate passage, resulting in a higher quality brewed coffee.

Implementation Method 1

The design enhances coffee flavor extraction by compressing the coffee grounds and forming a dense filtration bed

Methodology Applied
Scientific EffectCompression: Compression

Implementation Method 2

A filter is located in the chamber. The filter has an elongated body with a hemispherical filter end extending downwardly therefrom

Methodology Applied
Scientific EffectFiltration: Filter (physical)

Data Source

PatentUS20250178823A1Individual Serving Coffee Cup Pod
Publication Date: 2025.06.05 SAINT ANTHONY IND INC
  • US20250178823A1 patent drawing
  • US20250178823A1 patent drawing

AI summary

A single serving coffee cup pod includes a generally cylindrical frame extending a length of the pod and a base attached to the frame, forming a chamber. A filter is located in the chamber. The filter has an elongated body with a hemispherical filter end extending downwardly therefrom. An opening is formed in the base.