Two-part oil pan for tractor engine load transfer
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Solution Overview
Problem
Agricultural tractors require an oil pan that optimizes strength and load transfer to compensate for the structural weakness of standard engine blocks, which existing oil pans fail to adequately address.
Innovation Solution
A two-part oil pan assembly with distinct portions, each with specific configurations of openings and couplings to securely attach to the engine block and other powertrain components, enhancing structural integrity and load distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a standard engine block is used on a tractor, then the engine structure is simple and cost-effective, but the oil pan lacks sufficient strength to withstand the loads incurred by agricultural tractors
Solution Approach 1:
The oil pan is divided into two separate portions: a first portion that couples to the engine block and a second portion that couples to powertrain components. This segmentation allows each portion to be optimized for its specific function while collectively providing the required strength. The first portion includes a bedplate that integrates with the engine block, while the second portion provides additional structural support for load-bearing components.
Solution Approach 2:
The oil pan assembly combines different materials and structural configurations in its two portions. The first portion uses a bedplate structure that integrates with the engine block, while the second portion may use different structural approaches to optimize strength-to-weight ratio. This composite approach allows the oil pan to achieve superior overall strength compared to a standard single-piece design.
2Reliability
If an extra strong oil pan is used to compensate for structural weakness, then the load transfer capability is improved, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
By segmenting the oil pan into two portions with distinct functions, each portion can be manufactured using optimized processes for its specific requirements. The first portion is designed for integration with the engine block, while the second portion is designed for attaching powertrain components, allowing specialized manufacturing approaches for each.
Solution Approach 2:
The two portions of the oil pan are combined through a coupling mechanism that integrates their load-bearing capabilities. This merging creates a unified structure that achieves superior load transfer capability while maintaining manufacturability through modular assembly of the two portions.
3Stability of the object's composition
If the oil pan is designed as a single integrated piece, then the structure is simpler, but the load distribution and structural integrity are insufficient for agricultural tractor applications
Solution Approach 1:
The oil pan is segmented into a first portion for engine block integration and a second portion for powertrain component mounting. This segmentation enables optimized structural integrity by allowing each portion to be specifically designed for its load path and functional requirements, rather than compromising a single integrated design.
Solution Approach 2:
The coupling between the two portions extends the structural connection in multiple dimensions, creating a three-dimensional load distribution network. This multi-dimensional coupling enhances structural integrity by distributing loads through various pathways rather than relying on a single planar structure.
Data Source
AI summary
An oil pan assembly including a first portion having an inner set of openings configured to receive a first set of fasteners to couple the first portion to an engine block and a second portion having an outer set of openings positioned laterally outward relative to the inner set of openings and configured to receive a second set of fasteners to couple the second portion to the first portion and the engine block.