Coffee Machine Water Tank Lateral Insertion Using Hinge Contour

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Solution Overview

Problem

Conventional coffee machines with removable water tanks require significant vertical space for insertion and removal, making them unsuitable for placement under wall units in kitchens due to the need for vertical access.

Innovation Solution

A coffee machine design featuring a lateral insertion and removal mechanism for the water tank using an inclined holding/hinge contour and counter-contour, allowing the tank to be rotated into an upright position, ensuring secure attachment and minimizing space requirements.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If the water tank is inserted vertically from above, then the connection to the inlet is simple, but significant vertical space is required for insertion and removal

Engineering Contradiction:
Improveconnection simplicityVSAvoidvertical space requirement
Core Design Contradiction:
Ease of manufactureVSLength of stationary object

Solution Approach 1:

The patent changes the insertion dimension from vertical to lateral by introducing a hinge joint that enables rotational movement. The water tank is inserted horizontally and rotated into a vertical operating position, eliminating the need for vertical clearance during insertion and removal operations.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The hinge joint introduces dynamic capability to the water tank assembly, allowing it to transition between horizontal (insertion/removal) and vertical (operating) positions. This dynamic mechanism resolves the space conflict by enabling positional transformation rather than requiring fixed vertical clearance.

Inventive Principle:
Principle #15Dynamics

2Length of stationary object

If the water tank is removed from the side laterally, then vertical space requirements are reduced, but reliable retention in both removal and operating positions must be ensured

Engineering Contradiction:
Improvevertical space requirementVSAvoidwater tank retention
Core Design Contradiction:
Length of stationary objectVSReliability

Solution Approach 1:

The hinge joint provides dynamic retention capability, allowing the water tank to be securely held in both horizontal (removal) and vertical (operating) positions through controlled rotational movement. The hinge mechanism ensures reliable retention while enabling lateral insertion and removal.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The hinge joint changes the positional parameters of the water tank, enabling it to assume different stable positions (horizontal for removal, vertical for operation). This parameter transformation allows lateral access while maintaining secure retention in both configurations.

Inventive Principle:
Principle #35Parameter changes

3Length of stationary object

If a hinge joint is used for lateral insertion, then space efficiency is improved, but the assembly and disassembly mechanism becomes more complex

Engineering Contradiction:
Improvevertical space requirementVSAvoidassembly mechanism complexity
Core Design Contradiction:
Length of stationary objectVSDevice complexity

Solution Approach 1:

The hinge joint introduces a single dynamic element that enables lateral insertion while maintaining relatively simple assembly. The rotational mechanism provides the necessary functionality without requiring complex multi-component systems, balancing space efficiency with manufacturing complexity.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP3064101B1Automatic coffee machine with removable water tank
Publication Date: 2020.08.05 BSH HAUSGERATE GMBH
  • EP3064101B1 patent drawingFigure 1~2
  • EP3064101B1 patent drawingFigure 3~4

AI summary

The present invention relates to a coffee machine (1) with a removable water tank (2). It is essential to the invention that the coffee machine (2) has a holding/hinge contour (3) which interacts with a counter-contour (4) on the water tank (2) in such a way that the water tank (2) is in an inclined removal position on the holding / hinge contour (3) can be placed and rotated about it into an upright operating position, the holding/hinge contour (3) and the counter-contour (4) being designed in such a way that the water tank (2) can be used both in its inclined removal position and in its upright operating position is reliably held on the coffee machine (1).