Cantilevered Engine Shelf for Compact Welder Fuel Storage
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Compact engine-driven welders face challenges in maximizing fuel storage capacity due to limited space and structural obstructions, making it difficult to balance a compact design with sufficient fuel storage.
Innovation Solution
The design incorporates a cantilevered engine-mounting shelf and a vibration isolator, allowing the internal combustion engine to be mounted in a way that frees up space for a larger fuel tank, with a trapezoidal engine-mounting shelf and radial vibration isolators to minimize weight and torque, while maintaining structural integrity and accessibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a compact design is employed for the engine driven welder, then the overall machine size is reduced, but the fuel storage capacity is limited
Solution Approach 1:
The fuel tank is positioned in the vertical dimension beneath the chassis components rather than occupying horizontal space, allowing the machine to maintain a compact footprint while maximizing fuel storage capacity through vertical space utilization
Solution Approach 2:
The fuel tank is nested beneath other chassis components (engine-mounting shelf, engine, generator) in a layered configuration, allowing multiple components to occupy different vertical levels within the same horizontal footprint, thereby maximizing space utilization
2Strength
If structural obstructions are present in the chassis, then the chassis provides necessary structural support, but potential fuel tank space is occupied
Solution Approach 1:
The chassis structure is segmented into multiple functional zones with a divider wall creating separate compartments for the engine and battery, allowing structural elements to be strategically positioned to support loads while leaving continuous vertical space for the fuel tank
Solution Approach 2:
The cantilevered engine-mounting shelf extends horizontally from the divider wall, positioning the engine and other components in the horizontal plane rather than requiring vertical stacking, thereby freeing up vertical space for the fuel tank while maintaining structural support
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
This configuration effectively maximizes fuel storage capacity within the compact chassis, enhancing the machine's operational efficiency and usability by optimizing the use of available space without compromising structural support or accessibility.
Implementation Method 1
A vibration isolator is mounted to the bulkhead. An engine-mounting shelf projects from the bulkhead and is isolated from the bulkhead by the vibration isolator. The internal combustion engine and engine-mounting shelf apply a radial load to the vibration isolator.
Data Source
AI summary
A welding machine includes a welding power supply. A generator is operatively connected to the welding power supply to supply electrical energy to the welding power supply. An internal combustion engine is configured to drive the generator. A chassis structure includes a divider wall that at least partially defines an engine compartment of the welding machine. A cantilevered engine-mounting shelf is cantilevered from the divider wall. The internal combustion engine is attached to the cantilevered engine-mounting shelf. A fuel tank is mounted within the chassis structure and located beneath each of the cantilevered engine-mounting shelf, the internal combustion engine and the generator.