Electric Pump Mounting Layout for Faster Transmission Assembly
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The challenge of ensuring stable support for the electric pump in a power transmission device, particularly when assembled alongside the oil pressure control device, which affects the assembly time and positioning accuracy.
Innovation Solution
The electric pump is positioned upright in the second chamber with its axis of rotation aligned vertically, and supported by a jig with a first flange section and a second arm, ensuring stable engagement and alignment with the power transmission mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If the electric pump is arranged upright alongside the oil pressure control device in the same chamber, then the assembly time is reduced, but the support stability of the electric pump deteriorates
Solution Approach 1:
The patent divides the single chamber into two separate chambers: a first chamber for the power transmission mechanism and a second chamber for the control valve and electric pump. This segmentation allows the electric pump to be stably supported within the second chamber while maintaining efficient assembly procedures.
Solution Approach 2:
The patent positions the control valve and electric pump upright in the second chamber, with their axes aligned in the vertical direction. This dimensional arrangement optimizes space utilization and provides stable support structures for the electric pump while maintaining compact assembly.
2Ease of manufacture
If the electric pump is arranged upright next to the control valve, then the assembly process is simplified, but the positioning accuracy of the electric pump deteriorates
Solution Approach 1:
The patent designs the second chamber with pre-configured support structures and mounting features that guide the electric pump into its correct position during assembly. The upright arrangement with vertical alignment provides natural positioning references that improve positioning accuracy while maintaining assembly simplicity.
Solution Approach 2:
The patent introduces a second chamber as an intermediary space that houses both the control valve and electric pump with dedicated mounting structures. This intermediary chamber provides stable support and precise positioning features for the electric pump, mediating between the simplified assembly process and the requirement for accurate positioning.
Data Source
AI summary
A power transmission device includes a case, a control valve, and an electric pump. The case has a first chamber that accommodates a power transmission mechanism, and a second chamber in which the control valve is arranged upright, with pressure regulating valves being aligned in a vertical direction. An axis of rotation of a motor of the electric pump is aligned in the vertical direction. The control valve and the electric pump are arranged in a direction of an axis of rotation of the power transmission mechanism. The electric pump has a first flange section where a first arm of a jig engages, and a supported section supported by a second arm of the jig. The supported section forms a circular basic cross-sectional shape in a plane orthogonal to the axis of rotation of the motor. The first flange section extends from an outer circumference of the supported section.