Opposed Piston Electromagnetic Engine Converter
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Solution Overview
Problem
Conventional internal combustion engines lack efficiency in converting mechanical energy into electrical energy and vice versa, particularly during various strokes of the piston cycle, and struggle to adapt to changing operating conditions.
Innovation Solution
The engine incorporates a converter that can convert mechanical energy to electrical energy and vice versa, using a magnet and armature system, and includes a thermal controller to manage thermal excursions, with the ability to drive the piston during multiple strokes and adjust to operating conditions through an energy management system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a conventional internal combustion engine is used, then the engine can operate with simple structure, but the energy conversion efficiency between mechanical energy and electrical energy is low
Solution Approach 1:
The patent combines the mechanical energy conversion system and electrical energy generation system into a single integrated converter assembly. The converter includes both motor coils for converting electrical energy to mechanical energy and generator coils for converting mechanical energy to electrical energy, merging two separate functions into one unified structure that serves both propulsion and power generation purposes
Solution Approach 2:
The converter assembly performs multiple functions: it acts as an electric motor during compression and exhaust strokes, as a generator during power stroke, and provides thermal management through integrated cooling channels. This multi-functionality eliminates the need for separate mechanical components like crankshafts and flywheels, improving energy conversion efficiency while maintaining structural simplicity
2Device complexity
If the engine operates with fixed parameters, then the engine structure is simple, but the engine cannot adapt to changing operating conditions
Solution Approach 1:
The patent implements dynamic control of the converter coils, allowing the engine to switch between motor and generator modes based on real-time operating conditions. The control system adjusts coil activation, firing timing, and energy conversion parameters dynamically, enabling the engine to adapt to varying load requirements, temperature conditions, and power demands without requiring complex mechanical reconfiguration
Solution Approach 2:
The engine incorporates sensors and control logic that monitor operating parameters such as piston position, temperature, and energy conversion efficiency. This feedback mechanism allows the control system to optimize converter coil operation, adjust firing timing, and manage thermal conditions in real-time, enabling adaptive operation across different operating conditions while maintaining relatively simple engine structure
3Device complexity
If thermal excursions are not controlled, then the engine structure is simpler, but the engine reliability deteriorates due to thermal damage
Solution Approach 1:
The patent introduces a cooling fluid as an intermediary thermal management medium that circulates through channels formed in the converter assembly and cylinder walls. This cooling fluid acts as a heat transfer intermediary, absorbing thermal energy from high-temperature regions during compression and power strokes and dissipating it during exhaust and intake strokes, thereby maintaining thermal stability and preventing thermal damage to engine components
Solution Approach 2:
The thermal management system operates continuously throughout the engine cycle, with cooling channels positioned to maximize heat absorption during high-temperature phases. The continuous circulation of cooling fluid ensures uninterrupted thermal control, maintaining component temperatures within safe operating ranges and preventing thermal degradation, thereby improving engine reliability without requiring complex intermittent thermal management 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 enhances energy conversion efficiency across multiple strokes, allows for adaptive operation based on conditions, and improves energy management, leading to optimized engine performance.
Implementation Method 1
The first piston may include a magnet (e.g., a permanent magnet or an electromagnet), and the first converter may include an armature configured to generate electric current in response to movement of the magnet or to move the magnet by driving electric current through a coil.
Implementation Method 2
The first piston may include an armature configured to interact with a magnetic field through a variable reluctance or variable inductance magnetic circuit.
Data Source
AI summary
In an embodiment, an internal combustion engine includes a first cylinder having a first piston and a second piston slidably disposed therein, an intake port arranged to admit a reactant into the first cylinder between the first and second pistons, and an exhaust port axially spaced from the intake port and arranged to exhaust a reaction product from the first cylinder. First and second converters are provided, which are operable with the corresponding first and second pistons, to convert mechanical energy of the first and second pistons to electrical energy and electrical energy to mechanical energy. A control system is provided that is coupled to the first and second converters. The control system is configured to control the application of electrical energy to the first and second converters to selectively position the first and second pistons during specific strokes of the engine cycle.