Integrated Hydraulic Pump Single Shaft Design
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Solution Overview
Problem
Conventional hydraulic fluid systems are bulky and costly due to the conventional configuration of a motor, spacer, and coupling shaft, making them unsuitable for compact applications.
Innovation Solution
An integrated, electronically controlled hydraulic pump system using a single shaft for both motor output and pump input, with a mounting accessory for simplified assembly and alignment, allowing for a more compact design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional configuration with motor, spacer, and coupling shaft is used, then reliable power transmission is achieved, but system size and cost increase
Solution Approach 1:
The patent combines the motor output shaft and pump input shaft into a single integrated shaft assembly. The shaft serves dual functions: as the motor output shaft and as the pump input shaft, eliminating the need for separate spacer and coupling shaft components. This merging reduces the number of parts and overall system volume while maintaining reliable power transmission from motor to pump.
Solution Approach 2:
The single shaft assembly performs multiple functions simultaneously: it acts as both the motor output shaft and the pump input shaft. This multi-functional design eliminates the need for separate transmission components, reducing system size and complexity while ensuring reliable power delivery to the hydraulic pump.
2Strength
If conventional configuration with multiple components is used, then adequate structural support is provided, but manufacturing cost and assembly complexity increase
Solution Approach 1:
The mounting accessory integrates multiple support and alignment functions into a single component. It provides structural support for both the motor and pump assemblies, incorporates alignment features to ensure proper shaft alignment, and includes mounting provisions for the single shaft assembly. This consolidation reduces the number of parts and simplifies assembly procedures while maintaining adequate structural support.
Solution Approach 2:
The mounting accessory serves multiple functions: it provides structural support for the motor and pump, ensures proper alignment of the shaft assembly, and facilitates easy installation and removal. This multi-functional design reduces assembly complexity and manufacturing cost while maintaining the necessary structural integrity and alignment precision.
3Manufacturing precision
If conventional configuration with spacer and coupling shaft is used, then proper alignment is achieved, but system compactness is reduced
Solution Approach 1:
The mounting accessory integrates alignment features directly into the support structure. It includes alignment provisions that ensure proper alignment of the motor and pump shafts without requiring separate spacer or coupling shaft components. This merging maintains manufacturing precision for alignment while significantly reducing the overall system length and improving compactness.
Solution Approach 2:
The mounting accessory provides both structural support and alignment functions in a single component. It incorporates alignment features that ensure precise shaft alignment while minimizing the distance between motor and pump, thereby achieving proper alignment precision without compromising system compactness.
Data Source
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AI summary
A pump system includes a motor, a pump, and a single shaft extending from the motor into the pump, the single shaft being configured to operate simultaneously as both a motor output shaft and a pump input shaft. A first end of the single shaft interacts with the motor, and a second end of the single shaft interacts with the pump, to configure the shaft to operate as the motor output shaft and the pump input shaft. The pump system further may include a mounting accessory configured to support the motor and the pump. The motor may be an electric motor, and the pump may be a hydraulic pump. A drive controller is configured to generate commands for controlling the electric motor, which in turn drives the pump to achieve a desired flow of hydraulic fluid.