Monolithic Pantograph Manifold to Eliminate Pneumatic Leak Paths
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Solution Overview
Problem
Existing pantograph positioning systems are complex and prone to leaks due to numerous connection interfaces, leading to reduced performance and earlier maintenance or replacement needs.
Innovation Solution
A monolithic manifold with seamlessly integrated components, formed through additive manufacturing, reduces potential leak paths and simplifies assembly, featuring a housing, supply pipe, pantograph pipe, and valve pipe connected to a main valve and expansible device for controlled fluid flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional assembled manifold design is used, then assembly flexibility is improved, but leak risk increases due to multiple connection interfaces
Solution Approach 1:
The patent merges multiple separate manifold components into a single monolithic body formed by additive manufacturing. This eliminates all connection interfaces between components, thereby eliminating leak paths while maintaining manufacturing capability through advanced additive processes.
2Reliability
If monolithic additive manufacturing is used, then leak paths are eliminated, but manufacturing complexity increases
Solution Approach 1:
The patent replaces traditional mechanical assembly processes with additive manufacturing technology. This substitution enables the creation of complex monolithic structures without requiring multiple assembly steps, thereby reducing manufacturing complexity despite the advanced manufacturing process required.
Solution Approach 2:
The additive manufacturing process is implemented in segmented layers, allowing complex three-dimensional structures to be built incrementally. This layer-by-layer construction approach manages manufacturing complexity by breaking down the complex monolithic structure into manageable manufacturing steps.
3Adaptability or versatility
If multiple connection interfaces are used, then component modularity is improved, but maintenance frequency increases due to wear and leaks
Solution Approach 1:
By merging all manifold components into a single monolithic structure, the patent eliminates the connection interfaces that are prone to wear and leaks. This extends the operational life and maintenance interval of the pneumatic circuit while maintaining the necessary functional integration.
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 solution enables quick and reliable auto-drop of the pantograph, reducing wear and damage, with enhanced performance and reduced maintenance needs, while maintaining a compact and lightweight design.
Implementation Method 1
additively manufacturing a manifold by repeatedly depositing layers of material in a stack and fusing the layers of material together to form a monolithic body
Data Source
AI summary
A positioning system for a pantograph includes a manifold. The manifold may have a monolithic body defined by layers of material that are stacked and fused together. The monolithic body may include a housing, a supply pipe, a pantograph pipe, and a valve pipe. The housing may define a chamber to hold a fluid. The supply pipe may project from the housing and be configured for connection to a fluid supply unit. The pantograph pipe may project from the housing and be configured for connection to an expansible device mechanically connected to the pantograph. The valve pipe may have an outlet end projecting from the housing and configured for connection to a main valve that is actuatable to control flow of the fluid through the manifold.