Rotary Valve Engine with Revolving Piston for Vibration Reduction

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Solution Overview

Problem

Conventional internal combustion engines face inefficiencies due to energy wastage in vibration, compression cycles, and fuel limitations, leading to reduced performance and environmental impact.

Innovation Solution

A rotary internal combustion engine design with a revolving piston and dynamic displacement mechanism, combining positive displacement of conventional engines with the dynamic effects of jet turbines, minimizing energy loss and utilizing renewable fuels, which reduces greenhouse emissions and enhances durability and manufacturing ease.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of energy

If conventional reciprocating piston engines are used, then positive displacement is achieved, but energy is wasted in vibration and compression cycles

Engineering Contradiction:
Improveenergy waste in vibration and compressionVSAvoidpower output efficiency
Core Design Contradiction:
Loss of energyVSProductivity

Solution Approach 1:

The patent applies a dynamic displacement mechanism where the piston radius varies continuously during rotation rather than maintaining a fixed reciprocating motion. This dynamic approach eliminates the compression stroke and reduces vibration by allowing the piston to move smoothly from minimum to maximum radius, transforming the engine from a static reciprocating system to a dynamic rotary system that maintains continuous power output without energy-wasting idle cycles.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The rotary engine design ensures continuous useful action by eliminating the four-stroke cycle interruptions inherent in conventional engines. The piston continuously moves through its rotational path, maintaining compression and power generation without the idle compression and exhaust strokes, thereby eliminating energy waste while sustaining productive work throughout each rotation.

Inventive Principle:
Principle #20Continuity of useful action

2Productivity

If conventional four-stroke engines are used, then power is generated, but one out of four cycles provides power while others are wasted

Engineering Contradiction:
Improvepower generationVSAvoidtime lost in non-power cycles
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The rotary engine eliminates the intermittent power delivery of four-stroke engines by maintaining continuous compression and power generation throughout the piston's rotational path. Every degree of rotation contributes to useful work, removing the idle compression and exhaust cycles that waste time and energy in conventional designs.

Inventive Principle:
Principle #20Continuity of useful action

Solution Approach 2:

The dynamic variation of piston radius during rotation creates continuous compression and power output without the discrete cycles of conventional engines. The piston transitions smoothly through different compression ratios, ensuring that power generation is continuous rather than intermittent, thereby eliminating time loss in non-power cycles.

Inventive Principle:
Principle #15Dynamics

3Use of energy by moving object

If reciprocating motion is used, then fuel combustion is achieved, but energy is wasted changing directions due to inertia

Engineering Contradiction:
Improvefuel energy utilizationVSAvoidenergy wasted in changing directions
Core Design Contradiction:
Use of energy by moving objectVSLoss of energy

Solution Approach 1:

The rotary engine replaces the reciprocating back-and-forth motion with continuous unidirectional rotation, eliminating the energy-wasting changes in direction inherent in piston reciprocation. The piston moves smoothly from minimum to maximum radius and back without abrupt reversals, reducing inertial losses and improving fuel energy utilization by maintaining continuous motion rather than intermittent directional changes.

Inventive Principle:
Principle #15Dynamics

4Ease of operation

If conventional valve mechanisms are used, then fluid control is achieved, but complex cam shafts and springs are required

Engineering Contradiction:
Improvefluid flow controlVSAvoidcam shafts, valves and springs
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent extracts and eliminates the complex valve train components (cam shafts, springs, and conventional valve mechanisms) from the engine design. Instead, it uses a simplified rotary valve system that opens and closes ports based on the piston's rotational position, dramatically reducing mechanical complexity while maintaining effective fluid control for intake, compression, and exhaust.

Inventive Principle:
Principle #2Taking out (Extraction)

5Object-affected harmful factors

If rotary engines are used, then vibration is eliminated, but manufacturing precision requirements increase

Engineering Contradiction:
Improvevibration reductionVSAvoidrotary component accuracy
Core Design Contradiction:
Object-affected harmful factorsVSManufacturing precision

Solution Approach 1:

The rotary engine's continuous rotational motion naturally eliminates the vibration problems of reciprocating engines. The smooth, continuous movement of the piston from minimum to maximum radius and back, combined with the rotating valve mechanism, creates a vibration-free operation that eliminates the harmful vibrations inherent in back-and-forth piston motion, while the design itself accommodates manufacturing tolerances through its inherent dynamic balance.

Inventive Principle:
Principle #15Dynamics

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 engine design achieves high torque at low RPM, reduces fuel waste, eliminates vibration, and is more durable and efficient, allowing for the use of various fuels and materials, while being easier to manufacture and environmentally friendly.

Implementation Method 1

a rotary valve mechanism that opens and closes ports through rotational movement

Methodology Applied
Scientific EffectRotational motion:

Implementation Method 2

combustion process

Methodology Applied
Scientific EffectCombustion: Combustion

Implementation Method 3

expanding combustion gases exert pressure on the piston

Methodology Applied
Scientific EffectPressure-driven expansion: Pressure Increase

Data Source

PatentUS11078834B2Rotary valve continuous flow expansible chamber dynamic and positive displacement rotary devices
Publication Date: 2021.08.03 VAZQUEZ JESUS
  • US11078834B2 patent drawing
  • US11078834B2 patent drawing
  • US11078834B2 patent drawing

AI summary

A Revolving piston rotary annular cylinder rotary valve continuous flow and combustion expansible chamber devices, engine machine systems with an outer annular cylinder housing assembly having a central axis, having one or a plurality of balanced pistons attached to a rotor within of the outer housing whereby, a plurality of relatively air tight compartments are formed between the interior surface of the outer housing, the outer surface of the rotor and piston assembly with the volume of said compartment varying as a function of the rotative position of the inner cylinder and rotor piston assembly in relation to the rotary isolating valve connected at one end to the housing upstream before the intake port, another end of valve being in rotary contact with outer peripheral surface of piston and said rotor assembly having an inlet for receiving any fluid and an outlet for providing said fluid.