Pipe-Shaped Frame Venting for Work Vehicle Cooling Air Recirculation
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Solution Overview
Problem
In work vehicles, the air cooling a cooling object can re-enter the cooling system, reducing cooling efficiency.
Innovation Solution
A pipe-shaped frame is positioned along the right-left direction of the vehicle body with a vent hole on either side, creating a path for air to be discharged from the cooling object and preventing its re-entry into the cooling system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the cooling fan discharges air from the cooling object without a specific discharge path, then the cooling structure is simple, but the cooled air may re-enter the cooling object reducing cooling efficiency
Solution Approach 1:
The discharge path is segmented into distinct sections: the cooling object, the pipe-shaped frame with vent holes, and the discharge opening. This segmentation ensures that air flows through a defined path from the cooling object through the pipe-shaped frame to the discharge opening, preventing recirculation while maintaining structural organization
Solution Approach 2:
The pipe-shaped frame acts as an intermediary component between the cooling object and the external environment. It provides a controlled discharge path through its vent holes and discharge opening, ensuring that cooled air is directed away from the cooling object rather than allowing it to re-enter
2Device complexity
If the vent hole is positioned close to the cooling object, then the discharge path is short and simple, but the cooled air can easily re-enter the cooling object
Solution Approach 1:
The pipe-shaped frame extends in a specific direction (lengthwise) to create a spatial separation between the cooling object and the vent holes. This dimensional extension ensures that air discharged through the vent holes moves away from the cooling object in a direction that prevents recirculation, rather than allowing direct back-flow
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 prevents the recirculation of air cooling the cooling object, thereby enhancing the cooling efficiency and maintaining a comfortable operating environment for the vehicle's operator.
Implementation Method 1
a cooling fan configured to cause air to be supplied to the cooling object or discharged from the cooling object through the vent hole, the pipe-shaped frame, and the communicating opening
Implementation Method 2
a cooling object; a cooling fan configured to cause air to be supplied to the cooling object or discharged from the cooling object
Data Source
AI summary
A work vehicle includes a pipe-shaped frame provided in a body along a right-left direction and having a vent hole on at least either of a right portion and a left portion of the pipe-shaped frame. The work vehicle has a communicating opening provided in an intermediate portion of the pipe-shaped frame in the right-left direction and allowing a cooling fan and a cooling object to communicate with an inside of the pipe-shaped frame. The cooling fan is configured to cause air to be supplied to the cooling object or discharged from the cooling object through the vent hole, the pipe-shaped frame, and the communicating opening.