Portafilter machine for preparing a coffee beverage

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing portafilter machines for coffee preparation are complex to operate due to the need for manual adjustment of multiple parameters, which can deter users from achieving high-quality, individually tailored coffee drinks.

Innovation Solution

A portafilter machine equipped with a user-friendly control button device featuring a display that outputs different states and actions, allowing for simple 'one-touch' operations, including automatic setting of preparation parameters via a scanner for coffee type codes, and offering coffee replenishment options.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If manual adjustment of multiple parameters is required for coffee preparation, then customization capability is improved, but ease of operation deteriorates

Engineering Contradiction:
Improvecustomization capabilityVSAvoidoperation complexity
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The control device stores multiple pre-configured coffee preparation programs in memory, each containing optimized parameters for different coffee types. When a user selects a program, all parameters are automatically applied without manual adjustment, resolving the contradiction between customization and ease of operation

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system automatically selects and applies appropriate preparation parameters based on the detected coffee type or selected program, eliminating the need for users to manually adjust multiple parameters while still achieving customized coffee preparation

Inventive Principle:
Principle #25Self-service

2Adaptability or versatility

If multiple control buttons and switches are provided for parameter adjustment, then functionality is improved, but device complexity deteriorates

Engineering Contradiction:
Improveparameter adjustment functionalityVSAvoidcontrol interface complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

A single control device integrates multiple functions including program selection, parameter adjustment, and coffee type detection into one unified interface. This multi-functional design provides comprehensive parameter adjustment capability while maintaining a simple control structure, resolving the contradiction between functionality and device complexity

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

Solution Approach 2:

The patent combines multiple control elements (buttons, switches, displays) into a single integrated control device with a unified interface. This merging approach maintains full parameter adjustment functionality while significantly reducing the visual and physical complexity of the control interface

Inventive Principle:
Principle #5Merging (Combining)

3Ease of operation

If automatic parameter setting is implemented, then ease of operation is improved, but adaptability deteriorates

Engineering Contradiction:
Improveparameter setting simplicityVSAvoidparameter customization
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The control device pre-stores multiple coffee preparation programs with optimized parameters for different coffee types and preferences. Automatic parameter setting selects from these pre-configured options, maintaining both ease of operation and adaptability through programmable variety

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system dynamically adapts between automatic and manual modes. Users can switch between automatically selected parameters and manual adjustment of individual parameters, allowing the system to adapt to different user needs and maintain both simplicity and customization capability

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP4420571A1Portafilter machine for preparing a coffee beverage
Publication Date: 2024.08.28 BSH HAUSGERATE GMBH
  • EP4420571A1 patent drawingFigure 1~2
  • EP4420571A1 patent drawingFigure 3~4
  • EP4420571A1 patent drawingFigure 5~7

AI summary

The present invention relates to a portafilter machine (1) for preparing coffee beverages, which has a holder (3) and a portafilter (4) that can be attached to the holder (3). According to the invention, the portafilter machine (1) further has an operating button assembly (6) which is designed to display at least two indicators (11) and is easy to operate, wherein a control unit (12) performs an action depending on the current indicator (11) when the operating button assembly (6) is operated.