Integrated Electric Pump-Compressor Assembly for Compact Low-Noise Vehicles
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Solution Overview
Problem
The automobile industry faces challenges in replacing conventional mechanical pumps and compressors with electric alternatives that are efficient, reliable, and environmentally friendly, particularly for hydraulic fluid flow in vehicles and pneumatic power supply, while requiring compact and noise-reduced solutions.
Innovation Solution
A system comprising a motor with an output shaft coupled to both an air compressor and a hydraulic pump, where the motor's rotation drives the compressor and pump through shared drive shafts, allowing for efficient and compact operation, and incorporating a container with insulation for noise reduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If a conventional mechanical pump and compressor system is replaced with an electric pump and compressor system, then efficiency and environmental friendliness are improved, but device complexity increases
Solution Approach 1:
The patent combines the electric motor, hydraulic pump, and air compressor into a single integrated assembly. The motor's output shaft directly drives both the pump and compressor through shared drive shafts, merging three separate functions into one compact unit. This reduces overall system complexity while maintaining the energy efficiency benefits of electric propulsion.
Solution Approach 2:
The electric motor serves multiple functions by simultaneously powering both the hydraulic pump and air compressor. This multi-functionality approach allows a single electric power source to replace what would traditionally require separate mechanical pumps and compressors, improving energy efficiency while managing system complexity through unified control.
2Volume of moving object
If the electric pump and compressor assembly is designed for compact operation, then space requirements are reduced, but manufacturing complexity increases
Solution Approach 1:
The patent employs a nested arrangement where the hydraulic pump and air compressor are positioned in close proximity to the motor, with drive shafts and coupling mechanisms integrated within the motor housing. This nesting approach minimizes the overall assembly volume by placing components inside or adjacent to each other, while the modular design facilitates easier manufacturing and assembly.
Solution Approach 2:
By merging the pump and compressor into a single integrated assembly with shared drive mechanisms, the patent reduces the total volume required compared to separate units. The combined design allows for compact packaging while the standardized coupling interfaces and modular structure maintain ease of manufacture.
3Object-affected harmful factors
If insulation is added to the container for noise reduction, then noise levels are reduced, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent converts the harmful noise generated by the motor and compressors into a manageable characteristic by enclosing them in an insulated container. The insulation material, positioned between the noise-generating components and the external environment, transforms the noise problem into a contained issue that can be addressed through simple material selection rather than complex acoustic engineering.
Solution Approach 2:
The patent uses an insulated container or housing that acts as a flexible barrier against noise transmission. This shell structure, potentially made from acoustic insulation materials, provides effective noise reduction while maintaining a simple manufacturing process and avoiding complex acoustic treatment systems.
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
This solution enables efficient hydraulic fluid flow and pneumatic power supply with reduced noise and space requirements, enhancing the reliability and environmental sustainability of vehicle systems.
Implementation Method 1
A motor with an output shaft coupled to both an air compressor and a hydraulic pump, where the motor's rotation drives the compressor and pump
Data Source
AI summary
The disclosure relates to an assembly comprising an electric motor that simultaneously drives both a pump and a compressor. The assembly can be used in a motor vehicle. The pump can be suited particularly for generating hydraulic fluid flow for steering and braking, or to perform auxiliary functions such as dump bodies for garbage trucks or landscape trucks. Methods of operating the system and manufacturing the system are also provided.