Transmission Housing Cooling Assembly With Sealed Tube Interface
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Solution Overview
Problem
Existing transmission cooling systems are complex and inefficient, requiring advanced integration and sealing methods to effectively dissipate heat generated during operation.
Innovation Solution
A simple and cost-effective cooling arrangement is implemented by arranging a connecting surface on the transmission housing with recesses for tubes, a cover part, and a connection part, allowing for easy assembly and reliable sealing, with channels designed for turbulent flow to enhance heat absorption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a cooling arrangement is integrated into the gearbox housing, then cooling efficiency is improved, but manufacturing complexity and sealing difficulty increase
Solution Approach 1:
The cooling arrangement is divided into separate components: a cooling unit with tubes and a separate sealing unit with cover parts. These segments can be manufactured independently and then assembled together, reducing the manufacturing complexity of integrating cooling into the gearbox housing while maintaining effective cooling performance.
Solution Approach 2:
A sealing unit acting as an intermediary component is introduced between the cooling unit and the gearbox housing. This sealing unit with cover parts simplifies the integration process by providing a standardized interface that handles sealing requirements, thereby reducing both manufacturing and sealing complexity.
2Loss of energy
If a cooling arrangement with internal channels is integrated into the gearbox, then heat dissipation is improved, but sealing reliability becomes more difficult to achieve
Solution Approach 1:
The cooling system is segmented into a cooling unit containing the channels and a separate sealing unit. This segmentation isolates the sealing requirements to a specific component that can be designed and manufactured with optimized sealing features, improving sealing reliability while maintaining effective heat dissipation through the internal channels.
Solution Approach 2:
The sealing unit serves as an intermediary that provides reliable sealing between the cooling unit and the gearbox housing. By concentrating sealing functions in this dedicated component with cover parts, the design achieves improved sealing reliability for the cooling medium while preserving the heat dissipation efficiency of the internal channels.
3Ease of manufacture
If cooling tubes are made from sheet metal, then manufacturing cost and simplicity are improved, but structural robustness may be compromised
Solution Approach 1:
The cooling tubes are constructed from sheet metal, utilizing the principle of thin-walled structures. This approach achieves manufacturing simplicity and cost-effectiveness while the tube design incorporates features such as rigid supports or reinforcement at critical locations to maintain sufficient structural robustness for the cooling application.
4Ease of operation
If the cooling unit is installed before filling with lubricating oil, then assembly simplicity is improved, but installation timing constraints increase
Solution Approach 1:
The cooling unit is designed to be installed in advance during the gearbox assembly process, before the gearbox is filled with lubricating oil. This preliminary action allows for easier installation and positioning of the cooling unit without the interference of lubricating oil, while the design incorporates features that facilitate quick and straightforward installation within the assembly timeline.
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 cooling arrangement effectively cools the lubricating oil within the transmission by allowing a cooling medium to flow through tubes, improving heat absorption and stability while minimizing space and operational complexity.
Implementation Method 1
a cooling medium such as water, oil, or air flows through the cooling system's pipes
Implementation Method 2
the heat generated during operation flows from the lubricant to the environment
Implementation Method 3
a more turbulent flow and thus improved heat absorption can be achieved
Data Source
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AI summary
The invention relates to a transmission comprising a housing and cooling assembly, wherein a connecting surface is arranged on the outer side of the transmission, wherein an opening passing through the housing is arranged within the connecting surface, wherein the cooling assembly has pipes, a cover part and a connection part, wherein the pipes protrude through the opening, in particular into the interior region of the transmission, in particular into the oil sump of the transmission, wherein the cover part is arranged on the connecting surface, in particular wherein a seal, in particular a flat seal, is arranged between the cover part and the connecting surface, wherein the connection part is arranged on the side of the cover part facing away from the connecting surface, in particular wherein a further seal, in particular a further flat seal, is arranged between the cover part and the connection part.