Electric Linear Machine Direct Energy Recovery
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Solution Overview
Problem
Existing energy recovery systems suffer from high energy losses and complex system structures due to multiple conversions of kinetic energy into electrical energy, particularly in shock absorbers and linear machines.
Innovation Solution
An energy recovery system incorporating an electrical linear machine that directly converts translational kinetic energy into electrical energy at the point of generation, eliminating the need for additional converters and reducing system complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If multiple energy conversions are used to convert kinetic energy into electrical energy, then the system can achieve energy recovery, but the energy losses increase and system complexity increases
Solution Approach 1:
The patent extracts and eliminates the intermediate conversion components (hydraulic pump, motor, gear mechanism) from the energy recovery system. By directly coupling the linear generator with the damper piston rod, the system removes unnecessary conversion steps that cause energy losses and increase complexity, achieving direct conversion of kinetic energy to electrical energy.
Solution Approach 2:
The patent merges the shock absorber function and energy generation function into a single integrated linear generator device. The damper piston rod directly drives the linear generator without intermediate mechanisms, combining what were previously separate systems into one unified structure that reduces both energy losses and system complexity.
2Loss of energy
If multiple energy conversions are used (kinetic to rotational to electrical), then the system can recover energy, but the system structure becomes complex
Solution Approach 1:
The patent replaces the mechanical conversion system (gear mechanism converting translational motion to rotational motion) with a direct electromagnetic conversion system. The linear generator converts the translational kinetic energy of the damper piston directly into electrical energy, eliminating the need for mechanical gear conversions and reducing both energy losses and structural complexity.
3Productivity
If additional converters are added to convert translational kinetic energy into electrical energy, then energy recovery is achieved, but system complexity increases
Solution Approach 1:
The linear generator serves multiple functions simultaneously: it acts as both the shock absorber damping mechanism and the energy generation device. This multi-functionality eliminates the need for separate converters and components, achieving energy recovery while maintaining simple system structure.
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 approach significantly reduces energy losses and simplifies the system by enabling direct and immediate energy recovery and conversion, enhancing energy yield while minimizing the need for multiple energy conversions.
Implementation Method 1
An energy recovery system is proposed that comprises an electric linear motor. This motor is designed such that it can be used in generator mode as a shock absorber for direct energy recovery... converting it into electrical energy
Data Source
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AI summary
An energy recovery system is proposed which has an electric linear machine (2, 4) which is designed in such a way that it can be used in generator mode as a shock absorber for direct energy recovery in the event of dynamic impacts and/or hydrodynamic restoring forces and/or in the event of almost static displacements, or in motor mode as an actuator for setting the desired dynamics.