Transmission Input Shaft Mounting With Standardized Support Structures
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Solution Overview
Problem
The production costs of transmissions are increased due to customer-specific housing designs and varying input shaft mountings, which require different transmission housing designs for each mounting type.
Innovation Solution
A transmission series is introduced, comprising a group of transmissions with identical supporting structures and bearings of specific designs, allowing for adaptations to customer-specific load situations while reducing production costs through scale effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If customer-specific housing designs are used to adapt to different load requirements, then the transmissions can be customized to meet individual customer needs, but the production costs increase due to varying housing designs
Solution Approach 1:
The patent applies universality by using identical supporting structures and bearing arrangements across different transmission models in the series. The housing design is standardized to accommodate various bearing types (ball bearings, roller bearings, needle bearings, slide bearings) through a common mounting interface, allowing one housing design to serve multiple customer-specific load requirements without requiring custom housing designs for each application.
Solution Approach 2:
The patent applies local quality by allowing customization of bearing types and arrangements in specific locations within the standardized housing. Different bearing designs can be selected based on local load conditions (radial loads, axial loads, combined loads) while the overall housing structure remains uniform, enabling localized adaptation without global redesign.
2Adaptability or versatility
If different input shaft mountings are designed for various load types, then the transmissions can handle different load conditions, but the production costs increase due to multiple housing design variants
Solution Approach 1:
The patent creates a universal housing design that can accommodate multiple input shaft mounting configurations through standardized supporting structures. The same housing can mount different bearing types (ball, roller, needle, slide bearings) and different input shaft arrangements, reducing the number of housing design variants from many custom designs to a single standardized design.
Solution Approach 2:
The patent introduces flexibility in the bearing selection and arrangement within the standardized housing, allowing the transmission configuration to be dynamically adapted to different load conditions without changing the housing design. This enables the system to be reconfigured for different input shaft mountings while maintaining housing consistency.
Data Source
AI summary
A transmission series has a first transmission and a second transmission. The first transmission and the second transmission each have a respective input shaft, a housing, a supporting structure fixed in the housing, and at least two bearings by means of which the input shaft is mounted rotatably in the respective supporting structure. The at least two bearings of the first transmission are of the same first design and the at least two bearings of the second transmission are of the same second design that is different from the first design. The supporting structures of the first and second transmissions are designed identically.