Load Implement Air Channels for On-Demand Electric Heating
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Solution Overview
Problem
Working machines propelled by electric motors lack a viable method for heating their load implement bodies, as they do not have exhaust gases to utilize for temperature control, posing environmental concerns with existing heating solutions.
Innovation Solution
A material transportation system with an air blowing device, air flow channels, and a control unit that directs pressurized air to heat-insulated and heat-transfer channels to maintain a desired temperature, using electric power from regenerative braking or the vehicle's battery, reducing the need for combustion-based heating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If exhaust gases are used for heating the load implement body, then the heating function is achieved, but this solution is not applicable to electrically propelled working machines which do not have exhaust gases
Solution Approach 1:
The invention extracts the heating function from the exhaust gas system and separates it from the propulsion system. By using an independent heating device that can be coupled to either an internal combustion engine or an electric motor, the heating function is made portable and adaptable to different propulsion systems without being dependent on exhaust gases.
Solution Approach 2:
The heating device is designed with multi-functionality to work with both internal combustion engines and electric motors. The device can be coupled to different propulsion systems and can utilize different heat sources (exhaust gases when available, or direct electric heating), making it universally applicable to various working machine configurations.
2Temperature
If heating solutions are implemented for electrically propelled machines, then temperature control is achieved, but environmental concerns arise from combustion-based heating alternatives
Solution Approach 1:
The heating device utilizes waste heat from the propulsion system when available (exhaust gases from internal combustion engines), effectively using a resource that would otherwise be wasted. This self-service approach converts a byproduct into a useful heating source, reducing the need for additional energy consumption and minimizing environmental impact.
Solution Approach 2:
The invention changes the heating parameter from combustion-based to electric-based when operating with electric motors. By switching to electric resistance heating or heat pump technology, the system eliminates exhaust gas emissions while maintaining effective heating, thus adapting the heating method to the propulsion system being used.
3Productivity
If continuous heating is provided to prevent material from getting cold and sticky, then material flow is maintained, but energy consumption increases
Solution Approach 1:
The heating system operates periodically rather than continuously by using waste heat from the propulsion system when available and supplementing with active heating only when needed. The system monitors temperature and activates heating only when the load implement body temperature approaches the threshold where material becomes sticky, thereby reducing overall energy consumption while maintaining productivity.
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 system efficiently heats the load implement body only when needed, maintaining a precise temperature while being environmentally friendly by eliminating the reliance on exhaust gases, and can dynamically adjust based on ambient conditions.
Implementation Method 1
The air blowing device is preferably arranged to pressurize and heat the ambient air before the air is exhausted from the air blowing device
Implementation Method 2
each air flow channel of the set of heat insulated air flow channels comprises a heat insulating structure
Implementation Method 3
a set of heat transfer channels, wherein the load implement body is heated by the pressurized air flowing through the set of heat transfer channels
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
The present invention relates to a material transportation system for a working machine. The material transportation system comprises a load implement body with a plurality of air flow channels. The air flow channels comprise a set of heat insulated air flow channels, and a set of heat transfer channels, wherein each air flow channel of the set of heat insulated airflow channels comprises a heat insulating structure. When the temperature level of the load implement body is below a predetermined threshold limit, pressurized air is directed to the set of heat transfer channels.