Aircraft Cabin Seat Layout With Angled Offsets and Direct Aisle Access
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Solution Overview
Problem
Aircraft seating systems face challenges in optimizing cabin space utilization while maintaining passenger comfort, particularly in higher classes where deeper recline, wider seats, and additional features reduce the number of seats available.
Innovation Solution
A seating arrangement featuring angled and offset seat units with independent recline capabilities, allowing for efficient use of floor space by staggering seats in a herringbone configuration, with each seat unit comprising two seats angled towards the aisle and offset from each other, enabling direct access and minimizing the need for passengers to step over each other when reclined.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If seats are arranged in straight longitudinal columns with shared armrests and shallow backrest reclines, then the number of seats per cabin is maximized, but passenger comfort is reduced
Solution Approach 1:
The patent transitions from traditional straight longitudinal column arrangement to a staggered angled configuration where seats are offset by approximately 30 degrees relative to the aisle centerline. This dimensional change in seating arrangement allows deeper recline and wider seats while maintaining high seat density, as the staggered pattern optimizes floor space utilization compared to straight rows.
Solution Approach 2:
The invention combines multiple seating configurations (angled seats, staggered rows, direct aisle access) into a composite seating system. This hybrid approach integrates the space efficiency of traditional arrangements with the comfort features of premium cabins, creating a unified system that achieves both high seat count and enhanced passenger comfort.
2Ease of operation
If deeper recline, greater pitch between seats, and wider seats are provided, then passenger comfort is improved, but the number of seats that can be accommodated is reduced
Solution Approach 1:
By arranging seats at angles of 15-50 degrees to the aisle centerline rather than in straight parallel rows, the patent creates a staggered configuration that reduces the longitudinal space required per seat. This angular arrangement allows deeper recline and greater pitch while accommodating more seats per cabin volume, effectively adding a dimensional variable to the traditional linear seating layout.
Solution Approach 2:
The patent employs adjustable and movable seat components including reclining backrests, movable armrests, and flexible seat configurations that can adapt to different operational requirements. This dynamic design allows the seating system to optimize between comfort and capacity based on flight conditions and passenger demand.
3Ease of operation
If auxiliary comfort increasing equipment such as fixed tables, TV monitors and personal storage space are added, then passenger comfort is enhanced, but more cabin space is occupied
Solution Approach 1:
The patent replaces fixed auxiliary equipment with movable and collapsible alternatives. Movable tables can be stowed when not in use, collapsible armrests provide comfort features only when needed, and integrated storage solutions utilize vertical space rather than occupying floor area. This dynamic approach allows comfort features to be provided without permanently reducing cabin space.
Solution Approach 2:
The seating design integrates multiple functions into single components: seats provide both seating and storage through integrated compartments, armrests serve as both comfort features and table surfaces when extended, and the staggered configuration itself provides both space optimization and direct aisle access functionality. This multi-functionality reduces the need for separate auxiliary equipment.
4Quantity of substance
If seats are arranged in staggered angled configuration with direct aisle access, then space efficiency is improved, but seat unit complexity increases
Solution Approach 1:
The patent divides the cabin into modular seat units that can be independently configured and assembled. Each seat unit is a self-contained module with standardized dimensions and mounting requirements, allowing the complex staggered arrangement to be built from simple repeating units. This segmentation reduces overall system complexity by breaking down the intricate angular configuration into manageable modular components.
Data Source
AI summary
A passenger seating arrangement for an aircraft cabin, comprising: a first seat unit and a second seat unit arranged in an angle to an aisle of the cabin and comprising first and third seats and adjacent second and fourth seats, wherein the first seat and third seats are next to the aisle and is forward offset relative to the second and fourth seats by a first offset, each of the seats is configured for an adjustment between an upright position and a reclined position, each seat is provided with a leg space in front of the seat having a width defined by the width of the seat pan, and the first seat unit and the second seat unit and the seats thereof are angled towards the aisle such that the width of the leg space of the third seat of the second seat unit does not extend underneath the first seat and the second seat of the first seat unit, the width of the leg space of the fourth seat of the second seat unit does not extend underneath the second seat of the first seat unit and extends only partially underneath the first seat of the first seat unit, the second seat is forward offset relative to the first seat in relation to the aisle by a second offset, and the fourth seat is forward offset relative to the third seat in relation to the aisle by the second offset.