Rotatable Sleeve Insert Mount for Powertrain Torque Roll
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Solution Overview
Problem
Vehicle powertrain assemblies require multiple mount positions or orientations to accommodate torque roll axes variations across different vehicle configurations, leading to increased assembly complexity due to the need for various mounting systems and housings.
Innovation Solution
A multi-position mount system utilizing a single mount housing with a sleeve insert that allows the main rubber element assembly to be mounted in multiple positions through a rotatable sleeve insert and damping assembly, accommodating various powertrain architectures with a single mount system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple different mounting systems and housings are used to accommodate torque roll axes variations, then the powertrain assembly can be adapted to various vehicle configurations, but the assembly complexity increases
Solution Approach 1:
The mount housing is designed with multiple notch openings that allow a single housing to accommodate various torque roll axes orientations. The sleeve insert with corresponding notches and tabs enables the same housing to serve multiple mounting positions, making one housing universal for different vehicle configurations rather than requiring separate housings for each orientation
Solution Approach 2:
The mounting system is divided into separable components: a mount housing with notch openings, a sleeve insert with tabs and notches, and a damping assembly with alignment tabs. This segmentation allows each component to be independently designed and manufactured, then assembled in different configurations to achieve the required adaptability without increasing overall system complexity
2Device complexity
If a single mount housing with rotatable sleeve insert is used to provide multiple mounting positions, then assembly complexity is reduced, but the manufacturing precision requirements increase
Solution Approach 1:
The sleeve insert and damping assembly are pre-equipped with tabs and alignment tabs that define specific engagement positions with the mount housing notches. These preliminary positioning features ensure that when components are assembled, they automatically align to the correct orientations without requiring complex adjustment procedures or high-precision manual alignment during assembly
Solution Approach 2:
The sleeve insert acts as an intermediary component between the mount housing and the damping assembly. It provides a standardized interface with tabs that engage with notches in both the housing and the damping assembly, mediating the alignment and position transfer while allowing the damping assembly to be precisely positioned relative to the housing through this intermediate element
Data Source
AI summary
An exemplary multi-position mount system for a powertrain component includes a mount assembly including a mount housing having a first mount edge defining a rectangular mount opening with at least two mount notch openings on each side of the rectangular mount opening, a sleeve insert having at least two insert tabs extending from each side of the insert, the insert having an insert opening with at least two insert notch openings on each side of the insert opening, a damping assembly including an alignment tab extending from each side of the damper body, and a T-bracket including a T-bracket sleeve having an edge defining an offset opening in the T-bracket sleeve. The sleeve insert interfaces with the mount housing and is rotatable within the mount opening, the damping assembly is rotatable within the insert opening, and the insert opening is spaced apart from the mount opening.