Relative Motion Cylinder With Dedicated Compression Space
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Solution Overview
Problem
Existing cylinder systems face challenges in optimizing cylinder pressure to minimize unburned fluid release and energy loss while maintaining excellent power output, leading to inefficiencies and environmental concerns, particularly in combustion engines.
Innovation Solution
A cylinder system with a mechanical cylinder and a crankshaft piston, featuring a variably advancing and retracting insertion rod that acts as a second piston, controlled by an electromagnetic actuator or hydraulic charger, to dynamically adjust internal pressure and reduce fluid intake during strokes, thereby optimizing engine performance and reducing emissions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If hydraulic or turbo charger recovery systems are used to redirect unused mechanical forces, then energy recovery is achieved, but efficiency remains limited at 20-30% especially when working against high initial pressure around 1000 psi
Solution Approach 1:
The patent extracts the recovery function from separate hydraulic or turbo charger systems and integrates it directly into the cylinder structure itself. The piston and cylinder walls form the recovery mechanism, eliminating the need for external recovery equipment and achieving near 100% energy recovery efficiency by directly compressing intake charge against the piston's return stroke.
Solution Approach 2:
The invention merges the power generation function and energy recovery function into a single integrated cylinder-piston assembly. The same piston that generates power during the forward stroke also performs compression and recovery during the return stroke, combining multiple functions into one component system to eliminate energy losses associated with separate recovery systems.
2Power
If cylinder dimensions are increased to increase stroke volume and output, then cylinder output increases, but cylinder mass increases reducing overall economy
Solution Approach 1:
The patent employs dynamic compression ratios that vary during the piston stroke. The compression ratio is highest at the beginning of the stroke and decreases toward the end, allowing the system to achieve high power output without requiring proportionally larger cylinder dimensions. This dynamic approach enables smaller, lighter cylinders to produce the same output as larger static cylinders.
Solution Approach 2:
The invention changes the compression ratio parameter dynamically during the piston stroke rather than maintaining a fixed ratio. By varying the compression ratio throughout the stroke, the system optimizes power output while minimizing the required cylinder size and mass, thereby improving overall vehicle economy without sacrificing power.
3Loss of energy
If compression ratios are minimized to improve energy recovery results, then energy recovery efficiency improves, but cylinder output power decreases
Solution Approach 1:
The system uses dynamic compression ratios that are high during the early portion of the stroke to maximize power output, then decrease toward the end of the stroke to facilitate efficient energy recovery. This time-varying compression ratio allows the system to achieve both high power output and high energy recovery efficiency, resolving the contradiction between the two objectives.
Solution Approach 2:
The invention implements periodic variation of the compression ratio during each piston cycle. The compression ratio follows a predetermined pattern that alternates between high values for power generation and lower values for energy recovery, creating a rhythmic optimization that achieves both high power output and high energy recovery efficiency throughout continuous operation.
4Device complexity
If two stroke engines are used to reduce moving parts, then mechanical simplicity improves, but unburned exhaust release and energy effectiveness deteriorate
Solution Approach 1:
The patent implements continuous compression and combustion processes without the incomplete combustion and fluid loss characteristic of two-stroke engines. The four-stroke cycle with dedicated compression and power strokes ensures complete combustion and prevents unburned fluid release, maintaining mechanical efficiency while eliminating harmful emissions through continuous, complete combustion action.
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 engine efficiency by minimizing unburned fluid release, reducing emissions, and achieving better power output with reduced fuel requirements, while maintaining high internal cylinder pressure, thus addressing the limitations of traditional cylinder systems.
Implementation Method 1
controlled by an electromagnetic actuator or hydraulic charger, to dynamically adjust internal pressure
Implementation Method 2
a first compression space wherein the occupying structure provides a surface interface with the dedicated compression space
Implementation Method 3
a primary combustion space contained within the occupying structure
Data Source
AI summary
Implementations are disclosed herein that relate to a cylinder occupying structure. An example provides a cylinder system comprising a mechanical cylinder including an internal space in which a fluid is introduced, and a piston configured for reciprocating motion in the internal space, and a cylinder occupying structure including an insertion rod acting as a second piston, wherein the insertion rod is variably inserted into, and retracted from, the internal space of the cylinder in correspondence with the reciprocating motion of the piston and where parts of the insertion rod and the piston may surround the combustion space, and where fluid compression and fluid combustion is conducted within separate spaces.