Rotary Engine Contour Assembly for Low-Leakage Combustion Cycles
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Solution Overview
Problem
Existing rotary engines face challenges in compactly achieving multiple combustion events per revolution with efficient energy release and minimal fluid/gas transfer between moving parts, leading to reduced efficiency and increased friction.
Innovation Solution
A rotary machine design featuring a fixed oval housing with a central shaft, gearbox transmission, and arcing contour assemblies supported by bearings and roller ways, which articulates cyclical motion without touching the interior surface, utilizing arced seals and lubricated rollers to prevent fluid/gas transfer and reduce friction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the rotary machine uses a compact design with multiple combustion events per revolution, then the power output and space efficiency are improved, but the friction and fluid/gas leakage between moving parts increase
Solution Approach 1:
The patent introduces arced seals as intermediary elements positioned between the moving contour assemblies and the stationary housing. These seals act as mediators that prevent direct contact and fluid/gas transfer between moving and stationary parts, thereby reducing leakage and friction while allowing the compact multi-combustion design to function efficiently
Solution Approach 2:
The patent replaces traditional sliding contact mechanisms with roller-based support systems. The arced roller ways substitute direct surface contact with rolling element contact, significantly reducing friction between the moving contour assemblies and the stationary housing, enabling efficient operation in a compact configuration
2Device complexity
If the contour assemblies directly contact the interior surface of the stationary center section, then the structural simplicity is improved, but the friction and wear increase significantly
Solution Approach 1:
The patent introduces arced seals and roller ways as intermediary elements between the contour assemblies and the stationary housing interior surface. These intermediaries prevent direct contact, reducing friction and wear while maintaining the overall structural simplicity of the rotary machine design
Solution Approach 2:
The patent substitutes direct sliding contact with a rolling contact mechanism using arced rollers. This mechanical substitution reduces friction and wear between the moving contour assemblies and the stationary housing, improving reliability without significantly increasing structural complexity
3Volume of stationary object
If the rotary machine uses a compact housing design, then the space efficiency is improved, but the clearance for fluid sealing and bearing support is reduced
Solution Approach 1:
The patent employs arced-shaped seals and roller ways that conform to the curved motion path of the contour assemblies. This curved geometry allows for effective sealing and bearing support in the limited clearance space of a compact housing, preventing fluid/gas leakage while maintaining compact dimensions
Solution Approach 2:
The arced seals serve as intermediary elements that fit into the limited clearance space of the compact housing. These seals prevent fluid/gas transfer between the moving contour assemblies and the stationary housing, enabling compact design without sacrificing sealing effectiveness
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 design enables multiple combustion events per revolution in a compact space, maintaining efficient energy release and minimizing friction and fluid/gas leakage, thereby enhancing the rotary machine's efficiency and power output.
Implementation Method 1
arced seals to prevent the transfer of fluids or gasses between the gap of the relative moving surfaces of the gearbox and adjacent contour
Implementation Method 2
a revolving gearbox containing a multiplicity of arced roller ways that support the hard cylindrical underside of a contour moving in an arc like direction about an imaginary axis
Implementation Method 3
a stationary oval like housing that contains bearings that support the arcing motion of contour assemblies
Implementation Method 4
utilizing arced seals and lubricated rollers to prevent fluid/gas transfer and reduce friction
Data Source
AI summary
The disclosure provides rotary machines that include, in one embodiment, a shaft defining a central axis A, the shaft having a first end and a second end. The shaft can have a first gearbox disposed thereon defining one or more cavities therein. At least one contour is slidably received into an arcuate cavity in an exterior surface of the gearbox. The contour has a convex outer surface that cooperates with an inwardly facing curved surface of a housing to form a working volume. A gearbox mechanism consisting of gears, crankshafts, bearings and connecting rod creates an oscillatory motion 2 times per revolution such that the contour can navigate about the arcuate cavity without contacting the cavity at a high rate of rotating speed. Thus, said working volume can expand and compresses twice per rotatable shaft revolution.