Monorail Car Seating Arrangement Above Wheel Cover
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Solution Overview
Problem
Monorail cars face challenges in increasing passenger capacity while maintaining comfortable seating and meeting transit authority objectives for urban transportation, as existing seating arrangements are inefficient in utilizing available space and do not provide forward-facing seats with a view.
Innovation Solution
The monorail car features a seating arrangement where the first seat is installed partially above the front wheel cover, allowing for additional seating space, and a second row of seats is positioned above the wheel cover, with a passageway connecting the lower and upper floor portions, enabling passengers to sit comfortably and enjoy a forward view through an inclined windshield.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If traditional seating arrangements are used in the monorail car, then the structure is simple and easy to manufacture, but the passenger capacity is limited and space utilization is inefficient
Solution Approach 1:
The patent introduces a second level seating arrangement by utilizing the space above the wheel cover, transforming the single-level seating into a multi-level configuration. This vertical dimension expansion allows additional seats to be installed without occupying horizontal passenger space, thereby increasing passenger capacity while maintaining structural feasibility
Solution Approach 2:
The seating arrangement is nested around the wheel cover structure, with the second level of seats positioned above the wheel cover and the first level of seats positioned beside it. This nesting approach utilizes the existing structural volume efficiently, allowing multiple seating levels to coexist within the constrained space of the monorail car
2Quantity of substance
If more seats are installed to increase passenger capacity, then the quantity of passengers increases, but the comfort of passengers and ease of operation deteriorate due to reduced space and access difficulties
Solution Approach 1:
The passenger area is segmented into distinct levels: a lower level with the first row of seats beside the wheel cover and an upper level with the second row of seats above the wheel cover. This segmentation allows passengers to be distributed across different vertical zones, maintaining adequate personal space and comfort while increasing overall capacity
Solution Approach 2:
A passageway is introduced as an intermediary element connecting the lower and upper levels of the seating arrangement. This passageway facilitates easy access between levels, ensuring that passengers can move comfortably despite the multi-level configuration, thereby maintaining ease of operation while accommodating increased passenger capacity
3Area of moving object
If the floor is made level throughout the passenger area, then the structure is simple and ease of operation is improved, but the available space for seating is reduced
Solution Approach 1:
Instead of expanding seating area horizontally by lowering the floor, the patent utilizes the vertical dimension by installing seats above the wheel cover. This approach increases seating area without compromising floor level simplicity, as the elevated seats are positioned in the vertical space above the existing floor level
Data Source
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AI summary
A head monorail car (12, 14) having a front end (18) and a rear end (20) comprises a body (22), a front load wheel (24) proximate the front end (18), a rear load wheel (26) proximate the rear end (20) and a seat (28) installed in a passenger area (32). The front load wheel (24) and the rear load wheel (26) are laterally centered in the body (22) and at least partially protrude through the floor (30) in the passenger area (32). The seat (28) is longitudinally installed at least partially between the front end (18) of the monorail car (12, 14) and a spinning axis (36) of the front wheel.