Rear Damping Engine Attachment for Aircraft Force Transfer
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Solution Overview
Problem
Existing propulsion systems do not allow for optimal transfer of forces between the motor and the primary structure of the mast, leading to inefficiencies in force distribution.
Innovation Solution
Incorporation of a rear shock-absorbing engine mount with an elastically deformable element that forms a force path between the primary structure and the reactor core, featuring multiple attachments with anchor points in a transverse plane and elastomer rings for damping effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If a conventional engine attachment system is used with multiple attachments connecting the primary structure and engine, then the engine can be securely mounted, but the force transfer between the motor and primary structure is not optimal
Solution Approach 1:
The attachment system is divided into multiple independent attachments (first attachment, second attachment, third attachment) with connecting elements positioned at different locations. Each attachment handles specific force components, allowing optimal force transfer distribution while maintaining structural integrity through segmented connection points.
Solution Approach 2:
The connecting elements are positioned in different transverse planes (first transverse plane for first and second attachments, second transverse plane for third attachment). This spatial arrangement in multiple dimensions enables comprehensive force transfer capability, improving force distribution efficiency by utilizing three-dimensional positioning rather than single-plane attachment.
2Force
If the connecting elements are positioned in different transverse planes, then force transfer is optimized, but the attachment system becomes more complex
Solution Approach 1:
The attachment system uses multiple independent connecting elements positioned at different transverse planes, with each element handling specific force components. This segmentation allows optimized force distribution while maintaining manageable complexity through modular attachment design.
Solution Approach 2:
Each attachment serves multiple functions: the first attachment connects the first connecting element to both the first and second transverse planes, the second attachment connects the second connecting element to the first and second transverse planes, and the third attachment connects the third connecting element to the second transverse plane. This multi-functionality optimizes force transfer across different planes while using standardized attachment components.
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
The rear shock-absorbing engine mount effectively filters and absorbs significant forces, particularly those from the reactor core's rear section, enhancing force transfer efficiency and stability.
Implementation Method 1
said rear damping engine attachment forming a force path which includes at least one elastically deformable element
Implementation Method 2
The rear shock-absorbing engine mount filters out significant forces while also absorbing less significant forces
Implementation Method 3
at least one elastomer ring interposed between the body and the connecting shaft
Data Source
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AI summary
The invention relates to a propulsion assembly (30) comprising: - an engine attachment system (46), connecting a primary mast structure (42) and an engine (32), which includes several attachments (48, 50, 52), each having at least one engine mounting point (P48, P50, P52) on the engine (32), all engine mounting points (P48, P50, P52) being approximately positioned in the same transverse plane (PT), - a rear damping engine attachment (66) connecting the primary structure (42) and the rear portion (40.3) of the reactor core (40), said rear damping engine attachment (66) forming a load path that includes at least one elastically deformable element. This configuration optimizes the transfer of forces between the engine (32) and the primary structure (42).