Conical Burr Grinder With Container Detection and Dose Control

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Solution Overview

Problem

Existing coffee grinders lack versatility in dispensing discreet doses and providing fine control over grind size, as well as user feedback, and fail to detect the presence of different coffee containers, limiting user preferences and coffee quality.

Innovation Solution

A motorized burr grinder with an electronic display that detects the presence of portafilters and cradles, allowing users to select grind size and quantity, and provides graphic feedback through a microprocessor-driven interface, enabling precise control over grind size and quantity based on user inputs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a coffee grinder provides multiple grind settings and container types, then versatility is improved, but device complexity increases

Engineering Contradiction:
ImproveversatilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The grinder is designed to accommodate multiple container types (portafilters, cradles, storage canisters) and provide various grind settings within a single device, allowing one machine to serve multiple brewing methods and user preferences without requiring separate specialized grinders

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Manufacturing precision

If the grinder provides fine control over grind size, then manufacturing precision is improved, but device complexity increases

Engineering Contradiction:
Improvegrind size controlVSAvoiddevice complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The grinder employs an adjustable burr mechanism that allows dynamic modification of grind size through user control, enabling fine precision control over particle size while maintaining a relatively simple overall device structure through mechanical adjustment rather than multiple fixed settings

Inventive Principle:
Principle #15Dynamics

3Ease of operation

If the grinder includes sensor elements and electronic display, then ease of operation is improved, but device complexity increases

Engineering Contradiction:
Improveease of operationVSAvoiddevice complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The grinder incorporates sensor elements that detect the presence of containers and an electronic display that provides visual feedback to users about grind settings and operational status, making the device easier to operate by providing clear information about its state and responses to user inputs

Inventive Principle:
Principle #23Feedback

4Reliability

If the grinder detects presence of containers, then reliability is improved, but device complexity increases

Engineering Contradiction:
ImprovereliabilityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The grinder uses sensor elements to automatically detect the presence and type of container placed in the ground discharge region, allowing the device to self-adjust its operation and display settings without requiring manual user input, thereby improving reliability through automatic adaptation

Inventive Principle:
Principle #25Self-service

Data Source

PatentEP2544571B8Conical burr grinder
Publication Date: 2018.11.07 BREVILLE HLDG PTY LTD

AI summary

An apparatus for grinding coffee. The apparatus including: a grinder mechanism; a ground discharge region; a user control for enabling a user to select grind preferences; a display element for displaying data indicative of user inputs to the user control; a processor element coupled to the user control and a display element for controlling operation of the grinder mechanism. The apparatus being adapted to provides fine control over grind size and dispense discreet doses according to a users preference and control inputs; and display depictions representing a range of coffee grinder functions.