Base Station Automatic Compression for Vacuum Dirt Collection

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Solution Overview

Problem

Existing vacuum cleaners face challenges in efficiently and comfortably compressing dirt in the collection area, which affects the operating time and suction power.

Innovation Solution

A base station with a compression function that automatically activates a compression element in the suction unit, either manually or automatically, to compress dirt in the collection area, enhancing the suction power and convenience.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Power

If a compression element is moved manually from suction position to end position to compress dirt, then the suction power is improved, but the ease of operation deteriorates due to manual intervention required

Engineering Contradiction:
Improvesuction powerVSAvoidease of operation
Core Design Contradiction:
PowerVSEase of operation

Solution Approach 1:

The base station automatically performs the compression action when the suction unit is placed in it, preparing the collection area for the next use without requiring manual intervention from the user. This preliminary action resolves the contradiction by automating the previously manual compression step.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system enables self-service operation where the base station automatically compresses the dirt in the collection area when the suction unit is docked, eliminating the need for user intervention and maintaining optimal suction power automatically.

Inventive Principle:
Principle #25Self-service

2Productivity

If the collection area is allowed to fill with dirt during operation, then the productivity is improved, but the duration of action deteriorates as the collection area needs frequent emptying

Engineering Contradiction:
ImproveproductivityVSAvoidoperating time
Core Design Contradiction:
ProductivityVSDuration of action of moving object

Solution Approach 1:

The base station automatically compresses dirt in the collection area after each use, creating additional space for future collections. This preliminary compression action extends the duration between emptyings while maintaining high productivity during operation.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

By changing the density parameter of the collected dirt through automatic compression, the system increases the amount of dirt that can be stored in the same collection area volume, thereby extending the operating time between emptyings without sacrificing collection capacity.

Inventive Principle:
Principle #35Parameter changes

3Ease of operation

If the compression element is automatically activated by the base station, then the ease of operation is improved, but the device complexity increases

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

Solution Approach 1:

The base station acts as an intermediary that automatically performs the compression function, transferring the complexity from the handheld suction unit to the stationary base station. This resolves the contradiction by providing automatic operation while isolating the complexity in a separate device.

Inventive Principle:
Principle #24Intermediary (Mediator)

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 base station effectively increases the suction power and extends the operating time between emptyings by efficiently compressing dirt, improving user convenience and service life.

Implementation Method 1

a compression element that can be moved within the collection area to compress (i.e., press together) the dirt

Methodology Applied
Scientific EffectCompression: Compression

Implementation Method 2

the compression ring can cause the surface of the filter module to be wiped and thus cleaned

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentEP4613164A1Base station and system for compressing dirt in the collection area of a suction unit
Publication Date: 2025.09.10 BSH HAUSGERATE GMBH
  • EP4613164A1 patent drawingFigure 1~2a
  • EP4613164A1 patent drawingFigure 2b
  • EP4613164A1 patent drawingFigure 2c

AI summary

A base station (200) for a suction unit (100) is described, wherein the suction unit (100) has a collection area (103) for receiving dirt that has been vacuumed up by the suction unit (100), and wherein the suction unit (100) has a compression function for compressing dirt that is arranged in the collection area (103). The base station (200) is configured to receive the suction unit (100) in a receptacle (201) of the base station (200) and to effect automatic actuation of the compression function of the suction unit (100) by means of a resilient hook (210).