Hybrid Module Partition Wall Dry Wet Space Integration
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Solution Overview
Problem
Current hybrid modules for motor vehicles face challenges in achieving a simple and cost-effective construction while efficiently utilizing installation space, due to complex spatial separations of housing interiors which result in additional material and volume requirements, making modular assembly difficult.
Innovation Solution
A hybrid module design that divides the housing interior into a dry and a wet space using a partition wall, where the electric machine and separating clutch are in the dry space, and the double clutch device are in the wet space, with an intermediate shaft mechanically coupling them, supported by a bearing unit and sealed to cancel out axial forces, allowing the partition to serve both as a seal and support for the rotor unit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the housing interior is spatially separated into dry and wet spaces using separate housings or complex partitions, then sealing between clutch devices is improved, but device complexity and material requirements increase
Solution Approach 1:
The patent merges the housing structure into a single integrated unit with an internal partition wall that divides the housing interior into dry and wet spaces. This combines multiple housing components into one, reducing the number of separate parts while maintaining effective sealing between the dry space (containing the separating clutch) and wet space (containing the double clutch device). The partition wall integrates sealing functionality directly into the housing structure without requiring additional separate sealing housings.
Solution Approach 2:
The partition wall serves multiple functions simultaneously: it structurally divides the housing interior into separate spaces, provides sealing between dry and wet areas, and acts as a mounting surface for the intermediate shaft bearing unit. This multi-functionality reduces the need for additional separate components and simplifies the overall housing structure while maintaining reliable separation of the two clutch devices.
2Reliability
If separate housings are used for dry and wet spaces, then sealing is improved, but installation space and volume requirements increase
Solution Approach 1:
The patent combines multiple housing functions into a single housing structure with an internal partition wall. This integrated approach allows the dry space and wet space to coexist within one housing envelope, reducing the total volume required compared to using separate housings for each space. The partition wall creates effective separation without requiring additional external space.
3Reliability
If complex spatial separations are implemented, then sealing between clutch devices is improved, but ease of manufacture and modular assembly deteriorate
Solution Approach 1:
The housing interior is segmented into distinct dry and wet spaces by a partition wall, creating modular zones that can be independently designed and assembled. The intermediate shaft with its bearing unit on the partition wall creates a clear interface between spaces. This segmentation allows for standardized manufacturing of housing components and facilitates modular assembly where the clutch devices can be independently prepared and then integrated into the housing structure.
Solution Approach 2:
The partition wall serves as a multi-functional component that provides structural division, sealing, and mounting functionality. This reduces the number of separate parts needed and simplifies the assembly process, as the partition wall integrates multiple functions into a single manufacturable component that can be produced using standard manufacturing processes.
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
This configuration simplifies the construction, reduces material and volume requirements, and enables efficient use of space, allowing for a more modular and cost-effective hybrid module assembly while maintaining effective sealing and support for the rotor unit.
Implementation Method 1
the intermediate shaft being supported at least radially on the partition wall via at least one bearing unit
Data Source
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AI summary
The invention relates to a hybrid module for a motor vehicle for coupling an internal combustion engine and a transmission, and to a drive arrangement for a motor vehicle having a hybrid module according to the invention and a drive unit. The hybrid module (1) comprises a hybrid module housing (2) which forms a housing interior (20) which is divided by means of a partition (23), and therefore, in the housing interior (20), at least one chamber (22) is designed as a dry space (10) which is separated from a wet region (11) by the partition (23), wherein the hybrid module (1) has an electric machine (3) and a first clutch device (4), in particular a separating clutch, in the dry space (10) and has a second clutch device (5), in particular a dual clutch apparatus, in the wet region (11), and an output side (41) of the first clutch device (4) is mechanically coupled to the input side (50) of the second clutch device (5) by means of an intermediate shaft (12), wherein the intermediate shaft (12) is supported at least radially on the partition (23) via at least one bearing unit (13). With the configuration according to the invention of the hybrid module proposed here, a simple and efficient design is combined with little need for construction space.