Integrated Vehicle Compressor With Dual Chambers for Air and Cooling
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Solution Overview
Problem
Existing electric vehicle compressors are inefficient, costly, and complex due to the use of multiple specialized compressors for air suspension and refrigeration, leading to noise, electromagnetic interference, and space constraints, with a need for a more versatile and integrated solution.
Innovation Solution
An integrated compressor system that combines a motor, inverter, and control unit, featuring dual compression chambers and two-position-two-way valves, allowing shared use for both air suspension and refrigeration functions, with a single electric motor and controller.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple specialized compressors are used for air suspension and refrigeration, then each compressor can be optimized for its specific function, but the system complexity, cost, and space requirements increase
Solution Approach 1:
The patent combines two previously separate compressors (air suspension compressor and refrigeration compressor) into a single integrated compressor unit. This merging eliminates the need for multiple separate devices while maintaining both compression functions through a shared crankshaft mechanism and common structural components, thereby reducing system complexity without sacrificing functional optimization
Solution Approach 2:
The integrated compressor is designed to perform multiple functions simultaneously - it can compress air for the suspension system and compress refrigerant for the cooling system. The universal design allows a single device to replace multiple specialized compressors, reducing overall system complexity while maintaining the ability to optimize each compression function
2Reliability
If multiple specialized compressors are used for air suspension and refrigeration, then each compressor can be optimized for its specific function, but the manufacturing cost increases
Solution Approach 1:
By merging two separate compressor systems into one integrated unit, the patent reduces the total number of components that need to be manufactured, assembled, and maintained. This consolidation lowers manufacturing costs through economies of scale and reduced material requirements while preserving the functional optimization of each compression system
3Reliability
If multiple specialized compressors are used for air suspension and refrigeration, then each compressor can be optimized for its specific function, but the space requirements increase
Solution Approach 1:
The integration of two compressor systems into a single unit significantly reduces the space required in the vehicle. By sharing common components such as the crankshaft, housing, and mounting structures, the patent achieves functional optimization for both air suspension and refrigeration while minimizing the overall volume occupied by the compression system
4Productivity
If electrically driven compressors are used, then the compressor can be controlled intermittently on demand, but electromagnetic interference and noise are generated
Solution Approach 1:
The patent applies acoustic insulation and vibration damping materials within the compressor housing to convert and absorb the harmful noise and vibration generated by the electric motor into minimal audible output. This approach maintains the operational efficiency of electrically driven compressors while mitigating the harmful noise and electromagnetic interference through passive isolation techniques
5Device complexity
If a single integrated compressor is used for air suspension and refrigeration, then the system is simplified and costs are reduced, but the compressor must handle multiple different mediums
Solution Approach 1:
The integrated compressor is designed with universal compatibility to handle different compression mediums (air and refrigerant) through the same basic compression mechanism. The crankshaft-driven pistons can compress both atmospheric air for suspension and refrigerant gas for cooling, achieving system simplification while maintaining adaptability to multiple mediums through careful design of seals, valves, and flow paths
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
The integrated compressor reduces production costs, simplifies design, improves efficiency, and addresses noise and electromagnetic compatibility issues, providing a more compact and flexible solution for electric vehicles.
Implementation Method 1
an electric motor; a first compressor connected to and driven by the electric motor; a second compressor connected to and driven by the electric motor
Data Source
AI summary
An integrated compressor for a vehicle, the integrated compressor comprising: a motor; an inverter connected to or integrated into the motor; a control unit electrically connected to the inverter to control the starting and stopping of the motor via the inverter; characterized in that the integrated compressor comprises: a first compression chamber and a second compression chamber, which are connected to the motor, respectively; a first two-position-two-way valve connected to the first compression chamber; a second two-position-two-way valve connected to the second compression chamber; and a first inlet line which receives ambient air input at one end and is connected to the second compression chamber at the other end. The present invention also discloses a system in a vehicle comprising an on-board refrigerator, an air suspension device, and the integrated compressor connected to both.