Bernoulli Suction Unit With Deflection Channels for Non-Flat Objects
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Solution Overview
Problem
Conventional Bernoulli suction units face challenges in securely handling objects with non-flat surfaces, particularly flexible or thin objects, leading to deformation, detachment, and inefficient handling processes, and require high air pressure, which complicates their operation and maintenance.
Innovation Solution
A suction unit design featuring a suction body with a deflection chamber and suction channels that ensure a laminar flow of gaseous medium, allowing for reliable suction and controlled release of objects without deformation, using a fan instead of compressed air for operation, and incorporating a suction basket to handle irregular shapes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional Bernoulli suction units are used to handle objects with non-flat surfaces, then the suction force is reduced, but the handling process becomes unreliable and objects may detach
Solution Approach 1:
The suction unit is divided into multiple independent suction elements arranged in an array, each capable of making contact with the object surface. This segmentation allows the system to maintain reliable handling by distributing the suction force across multiple contact points, compensating for the non-flat surface geometry that would reduce suction force in conventional single-point designs
Solution Approach 2:
The invention transitions from conventional single-point or single-plane suction to a multi-point spatial array configuration. By distributing suction elements across three-dimensional space, the system can engage with objects of varying geometries and maintain both reliability and adequate suction force through coordinated multi-point contact
2Force
If high air pressure is used in conventional suction units, then the suction force increases, but the operation and maintenance complexity increases
Solution Approach 1:
The invention employs a distributed array of suction elements that can operate at lower individual pressures while collectively generating sufficient holding force. This pneumatic distribution approach reduces the complexity of high-pressure air supply systems, simplifying both operation and maintenance compared to conventional high-pressure single-point suction units
3Force
If the media flow hits the object directly in conventional suction units, then the suction force is generated, but the pressure force counteracting the suction force increases
Solution Approach 1:
Each suction element in the array is designed to create localized low-pressure zones directly at the contact points with the object surface. This local quality approach generates effective suction force at each element while minimizing the overall counteracting pressure force by distributing the media flow impact across multiple localized regions rather than concentrating it
4Productivity
If objects are released by interrupting the media flow in conventional suction units, then the object is dispensed, but the delivery precision in time and location is poor
Solution Approach 1:
The array configuration allows for preliminary positioning of the object through coordinated suction at multiple points before release. The system can pre-align the object in the desired location and orientation while maintaining suction, then release with higher temporal precision because all elements can be controlled simultaneously, improving both delivery speed and precision
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 design enables secure handling of objects with varying dimensions and compositions, reduces air pressure requirements, and facilitates efficient, precise, and rapid object transfer, minimizing deformation and contamination risks.
Implementation Method 1
suction unit operating according to the Bernoulli principle... When hitting the object, the gaseous medium between the object unit and the base body of the suction unit is deflected in a radial direction at high flow velocity. According to the Bernoulli equation, the kinetic energy and the specific pressure energy are always constant. Hence, the area of high flow velocity, a correspondingly reduced pressure results, by means of which the object is suctioned.
Implementation Method 2
A suction unit design featuring a suction body with a deflection chamber and suction channels that ensure a laminar flow of gaseous medium
Data Source
AI summary
A suction unit, which serves for suctioning an object according to Bernoulli's principle, includes a suction body with an adjoining suction plate, which has a front side facing away from the suction body, and includes at least one entry channel, through which a gaseous medium is introducible through the suction body into a deflection channel, which is delimited on one side by the front side of the suction plate and on another by a deflection head of a deflection unit or by the suctioned object, and through which the gaseous medium is guidable to the outside. The suction plate has in the center a deflection chamber which is adjoined on one side by the at least one entry channel and on another side by a plurality of suction channels which are sunk into the suction plate and extend towards the edge of the suction plate.