Rotary Blade Engine Eccentric Cylinder Vibration Reduction
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Solution Overview
Problem
Existing rotary piston engines face inefficiencies due to vibration, complex power transmission mechanisms, and high-accuracy surface processing requirements, making them difficult to operate stably and produce efficiently.
Innovation Solution
A rotary blade engine design featuring an outer cylinder, inner cylinder, output shaft, and blade, where the inner cylinder rotates eccentrically to form an operation chamber, eliminating reciprocating mechanisms and complex power transmission, and using electromagnetic valves for efficient valve control, reducing vibration and production complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a rotary piston engine uses a trochoid inner peripheral surface and a three-lobe rotor, then the engine can achieve continuous rotation and improved power output, but the manufacturing precision requirements increase significantly and the device complexity increases
Solution Approach 1:
The engine is divided into two independent cylindrical components: an outer cylinder and an inner cylinder. The operation chamber is formed by the spatial relationship between these two simple cylindrical surfaces, eliminating the need for complex trochoid surfaces while maintaining the rotary compression function.
Solution Approach 2:
Instead of making the rotor housing complex (trochoid surface) to achieve rotary compression, the invention inverts the approach by making the inner cylinder simple (cylindrical) and using its eccentric rotation relative to the outer cylinder to create the compression chamber. This reverses which component carries the geometric complexity.
2Productivity
If a rotary piston engine uses a three-lobe rotor with eccentric rotation, then the engine achieves continuous operation, but vibration increases and operational stability decreases
Solution Approach 1:
The inner cylinder is designed with asymmetric eccentric rotation, where the rotation center is offset from the geometric center. This asymmetric motion pattern enables continuous rotary operation while the balanced cylindrical geometry maintains operational stability and reduces vibration compared to asymmetric three-lobe rotors.
3Power
If a reciprocating engine uses a piston and crank mechanism, then the engine can convert thermal energy to mechanical energy, but the device complexity increases and high-speed operation becomes difficult
Solution Approach 1:
The invention extracts and eliminates the complex crank mechanism, connecting rod, and reciprocating piston from the system. Instead, it uses a simple rotating inner cylinder with an offset center, directly converting thermal energy from combustion into rotational mechanical energy without intermediate conversion mechanisms.
Solution Approach 2:
The traditional mechanical reciprocating-crank system is replaced with a direct rotary system where the inner cylinder rotates about an offset center. This substitution eliminates multiple mechanical components and enables high-speed operation by removing the inertial constraints of reciprocating motion.
4Power
If a rotary piston engine uses complex power transmission mechanisms, then the engine can transmit rotation power, but the ease of manufacture decreases and production efficiency drops
Solution Approach 1:
The power transmission function is merged directly into the rotation of the inner cylinder itself. The inner cylinder's eccentric rotation directly drives the output, eliminating the need for separate gear trains, belts, or other power transmission mechanisms, thereby simplifying manufacturing and improving production efficiency.
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 rotary blade engine achieves stable high-speed operation with reduced vibration and simplified production, enabling efficient energy conversion and high productivity by eliminating reciprocating mechanisms and complex power transmission, while using electromagnetic valves for improved efficiency.
Implementation Method 1
The inner cylinder has a cylindrical outer peripheral surface, is provided inside the outer cylinder, and rotates about a second center axis as a center of rotation, the second center axis being provided at a position eccentric from a first center axis of the inner peripheral surface of the outer cylinder
Implementation Method 2
The blade is fixed to the output shaft, rotates together with the output shaft, and defines the operation chamber by floatably penetrating the inner cylinder from an inside of the inner cylinder and slidably contacting the inner peripheral surface of the outer cylinder
Implementation Method 3
a reciprocating engine has been known as an internal combustion engine operating to convert thermal energy obtained by combustion of fuel in a combustion chamber into mechanical energy
Data Source
AI summary
Provided is a rotary blade engine including: an outer cylinder; an inner cylinder; an output shaft; an operation chamber; and a blade, wherein the inner cylinder is provided inside the outer cylinder, and rotates about a second center axis as a center of rotation, the second center axis being provided at a position eccentric from a first center axis of an inner peripheral surface of the outer cylinder; the output shaft is inserted into the inner cylinder, and rotates about the first center axis as a center of rotation; the operation chamber is formed between the outer cylinder and the inner cylinder; and the blade is fixed to the output shaft, rotates together with the output shaft, and defines the operation chamber by floatably penetrating the inner cylinder from an inside of the inner cylinder and slidably contacting the inner peripheral surface of the outer cylinder.