Panoramic Bus Front Window Segmentation for Visibility
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Solution Overview
Problem
Passenger buses often have partition walls or elevated rear sections that obstruct the view of passengers through the front window, limiting their ability to see into the driver's compartment and outside, while existing front windows are designed primarily to minimize drag rather than enhance visibility.
Innovation Solution
The design incorporates a panoramic front window configuration with a trapezoidal shape and rearward slant, combined with an enlarged central opening in the partition wall, allowing passengers to see through both the OEM front cab window and the forward-facing panoramic window, which is positioned to provide an enhanced viewing experience with a convex exterior surface and specific curvature radii, forming an hourglass outline.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a partition wall is installed between the driver compartment and passenger section, then driver safety and compartment separation are improved, but passenger visibility to the front window and driver compartment is blocked
Solution Approach 1:
The partition wall is segmented with a large opening that allows passengers to see through to the front window and driver compartment while still providing separation. The partition is divided into a solid portion for safety and an opening portion for visibility, resolving the contradiction between safety and view.
2Ease of operation
If the rear passenger section is positioned at a higher elevation, then passenger comfort and separation from the driver are improved, but the view through the front window is completely or partially blocked
Solution Approach 1:
The partition wall opening is positioned and sized to create a visual pathway that extends from the passenger section through the partition to the front window. This dimensional arrangement allows passengers at elevated positions to still see through the partition opening to the front, resolving the visibility blockage caused by elevation.
3Loss of energy
If the front window is slanted rearward at an angle, then aerodynamic drag is minimized, but the viewing angle and visibility for passengers is reduced
Solution Approach 1:
The front window system is segmented into the slanted front cab window and the additional panoramic window portion. The slanted portion maintains aerodynamic efficiency while the additional panoramic portion provides enhanced viewing angles for passengers, resolving the contradiction between drag reduction and visibility.
4Loss of energy
If a traditional front window design is used, then aerodynamic efficiency is maintained, but passenger viewing experience and visibility are limited
Solution Approach 1:
The patent merges the traditional slanted front cab window with an additional panoramic window portion to create a combined window system. This merged design maintains the aerodynamic benefits of the slanted configuration while adding enhanced viewing capabilities, resolving the contradiction between efficiency and experience.
Data Source
AI summary
A bus which enhances the viewing experience of passengers by providing a panoramic front window to enable a passenger to see into a cab section of the bus and through the panoramic front window. The panoramic front window has a predetermined configuration that minimizes drag and includes a cab section window as well as a passenger section window.