Suction gripper

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Solution Overview

Problem

Existing suction devices lack an effective mechanism for positioning and stabilizing collection elements within the cyclone chamber, which affects the efficiency of particle and liquid separation and air flow management.

Innovation Solution

Incorporating a positioning device within the cyclone chamber that positions and centers the collection element, allowing for improved separation of materials and liquids, and enabling the use of adaptable filter elements with specific pore sizes for various applications.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If no positioning device is used in the cyclone chamber, then the device structure remains simple, but the collection element cannot be properly positioned and stabilized, affecting separation efficiency

Engineering Contradiction:
Improveseparation efficiencyVSAvoiddevice structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

A positioning device is introduced as an intermediary component between the collection container and the cyclone chamber. This positioning device includes positioning elements that extend into the cyclone chamber to stabilize the collection element, ensuring proper positioning without requiring complex integration of the collection container into the cyclone chamber structure itself.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The positioning device is designed as a separate, detachable component from both the collection container and the cyclone chamber. This segmentation allows the positioning device to be independently manufactured, installed, and removed, simplifying the overall device structure while still providing the necessary positioning function for reliable separation.

Inventive Principle:
Principle #1Segmentation

2Productivity

If the collection element is not properly positioned within the cyclone chamber, then the device structure remains simple, but material and liquid removal efficiency decreases

Engineering Contradiction:
Improvematerial and liquid removal efficiencyVSAvoidpositioning mechanism
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The positioning device acts as a mediator that ensures the collection element is properly positioned within the cyclone chamber. The positioning elements extend from the positioning device into the cyclone chamber to stabilize the collection element, optimizing the airflow pattern and separation efficiency without requiring a completely complex positioning mechanism.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The positioning device is designed to be easily installed and removed by the user without requiring complex tools or procedures. The positioning elements automatically engage with the collection element upon insertion, allowing the system to self-position the collection element correctly without additional adjustment mechanisms.

Inventive Principle:
Principle #25Self-service

3Adaptability or versatility

If filter elements with specific pore sizes are used for different applications, then adaptability to different applications is improved, but filter replacement complexity increases

Engineering Contradiction:
Improveapplication adaptabilityVSAvoidfilter replacement
Core Design Contradiction:
Adaptability or versatilityVSEase of repair

Solution Approach 1:

The cyclone chamber and collection container are designed with universal interfaces and standardized mounting features that can accommodate different types of filter elements with various pore sizes. The positioning device and air duct connections are designed to work with multiple filter element configurations, allowing the same basic structure to serve multiple application areas.

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

Solution Approach 2:

The filter element mounting system is designed to be dynamically adjustable, allowing users to easily remove and replace filter elements of different types. The detachable connection between the collection container and cyclone chamber, combined with the positioning device design, enables quick filter replacement without requiring disassembly of the entire vacuum unit.

Inventive Principle:
Principle #15Dynamics

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

Enhances the removal of particles and liquids from the air flow, maintains high air flow efficiency, and allows for easy filter replacement, ensuring sustained filter performance and adaptability to different application areas.

Implementation Method 1

a section of the suction device in which material and/or fluid particles are separated from an airflow by means of a centrifugal separation mechanism. The airflow is directed tangentially into the cyclone chamber

Methodology Applied
Scientific EffectCentrifugal separation: Centrifugal Separation

Implementation Method 2

The filter element is located in the cyclone chamber and is detachably connected to the housing. The filter element is designed to filter out particles of matter and/or fluid as they exit the cyclone chamber

Methodology Applied
Scientific EffectPhysical filtration: Filter (physical)

Data Source

PatentEP3735885B1Suction gripper
Publication Date: 2023.06.07 ROBERT BOSCH GMBH
  • EP3735885B1 patent drawingFigure 1
  • EP3735885B1 patent drawingFigure 2
  • EP3735885B1 patent drawingFigure 3

AI summary

A suction device (100) comprising a housing (102), at least one cyclone chamber (120), a collection container (104) wherein the collection container (104) is detachably connected to the housing (102), and a filter element (106) is disclosed. It is proposed that the suction device (100) includes at least one positioning device (200) within the cyclone chamber (120) for positioning at least one collection element (108) within the cyclone chamber (120).