Catalytic Converter Cleaning via Liquid Catalyst Spraying

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Solution Overview

Problem

Conventional catalytic converters in engines are inefficient at low temperatures, leading to increased emissions of carbon monoxide and hydrocarbons, require frequent maintenance due to blockages, and are costly to replace, while also generating noise and reducing engine efficiency.

Innovation Solution

A system comprising a liquid catalyst pressured spraying system, high temperature plasma exhaust gas reducing device, and noise reduction mechanism, utilizing nano-platinum compounds, UV light sources, and ultrasonic air intake vortex pipes to enhance combustion efficiency, reduce emissions, and improve engine power without replacing the catalytic converter, along with a power storage device to assist the engine.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If the catalytic converter is located upstream of the exhaust system close to the engine to maintain high temperature, then the catalyst can fully perform its conversion effect, but this causes the catalytic converter to overheat and cause damage to the catalytic converter

Engineering Contradiction:
Improvecatalytic converter temperatureVSAvoidcatalytic converter durability
Core Design Contradiction:
TemperatureVSReliability

Solution Approach 1:

A thermal insulation layer is introduced as an intermediary between the catalytic converter and the exhaust system components. This insulation layer acts as a thermal barrier that prevents excessive heat transfer to the catalytic converter, allowing it to maintain optimal operating temperature while preventing overheating and damage.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent modifies the thermal parameters of the catalytic converter system by adding thermal insulation, which changes the heat transfer characteristics. This allows the converter to operate at higher temperatures for effective catalysis while preventing temperature excursions that would cause damage.

Inventive Principle:
Principle #35Parameter changes

2Loss of time

If an electrical preheater is used to heat the catalytic converter to operating temperature, then the converter can reach operating temperature faster, but this causes a significant power drain on the battery and is not suitable for engines without batteries

Engineering Contradiction:
Improvetime to reach operating temperatureVSAvoidpower consumption
Core Design Contradiction:
Loss of timeVSUse of energy by moving object

Solution Approach 1:

The system uses the exhaust gas itself as the heat source for preheating the catalytic converter. The hot exhaust gas flows through a heat exchange mechanism to transfer thermal energy to the converter, eliminating the need for external electrical heating systems and their associated power consumption.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

A heat exchange mechanism serves as an intermediary between the exhaust gas and the catalytic converter. This intermediary device efficiently transfers thermal energy from the exhaust stream to the converter, enabling rapid heating without requiring electrical power input.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Object-generated harmful factors

If the catalytic converter is used to purify exhaust gas, then emissions of carbon monoxide and hydrocarbons are reduced, but the converter temperature drops below operating level when the engine is idling, causing increased emissions

Engineering Contradiction:
Improveexhaust gas emissionsVSAvoidcatalytic converter temperature
Core Design Contradiction:
Object-generated harmful factorsVSTemperature

Solution Approach 1:

The system performs preliminary heating of the catalytic converter using the thermal energy from the exhaust gas before the engine enters idle condition. This preliminary action ensures the converter is at or near operating temperature when idle begins, preventing temperature drop and subsequent increase in emissions during idle operation.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent maintains continuous thermal energy transfer from the exhaust gas to the catalytic converter, ensuring the converter continuously operates at effective temperatures. This continuous action prevents temperature fluctuations and ensures consistent catalytic performance throughout various engine operating conditions including idle.

Inventive Principle:
Principle #20Continuity of useful action

4Productivity

If the honeycomb support in the catalytic converter is used to facilitate exhaust gas flow, then the conversion effect is improved, but the support is easy to accumulate dirt and block the through holes, increasing exhaust resistance and reducing engine horsepower

Engineering Contradiction:
Improveexhaust gas conversion efficiencyVSAvoidexhaust resistance
Core Design Contradiction:
ProductivityVSObject-generated harmful factors

Solution Approach 1:

The patent implements continuous cleaning action through the exhaust gas flow itself. The high-temperature exhaust gas continuously burns off carbon deposits and prevents dirt accumulation on the honeycomb support, maintaining open channels and preventing exhaust resistance increase throughout the engine's operation.

Inventive Principle:
Principle #20Continuity of useful action

Solution Approach 2:

The patent converts the potentially harmful effect of exhaust gas temperature into a beneficial cleaning mechanism. The high temperature of the exhaust gas, which could cause overheating issues, is instead utilized to burn off carbon deposits and prevent blockages in the honeycomb support, turning a thermal problem into a cleaning solution.

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

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 system effectively maintains catalytic converter temperature, reduces emissions, increases engine horsepower, and saves maintenance costs by preventing blockages and improving combustion efficiency, while also reducing noise through advanced noise cancellation techniques.

Implementation Method 1

a liquid catalyst, which is placed in a container and is composed of nano-platinum powder and promoter

Methodology Applied
Scientific EffectCatalysis: Catalysis

Implementation Method 2

a high temperature plasma exhaust gas reducing device, which is arranged on the exhaust gas discharge pipe

Methodology Applied
Scientific EffectPlasma: Plasma

Implementation Method 3

utilizing nano-platinum compounds, UV light sources

Methodology Applied
Scientific EffectPhoto-oxidation: Photo-oxidation

Implementation Method 4

ultrasonic air intake vortex pipes to enhance combustion efficiency

Methodology Applied
Scientific EffectUltrasonic vibration: Ultrasonic Vibration

Implementation Method 5

advanced noise cancellation techniques

Methodology Applied
Scientific EffectNoise cancellation: Acoustic Absorption

Data Source

PatentUS12037931B2Device increasing engine efficiency and reducing exhaust and noise
Publication Date: 2024.07.16 MA SZU CHENG
  • US12037931B2 patent drawing
  • US12037931B2 patent drawing
  • US12037931B2 patent drawing

AI summary

A device increasing engine efficiency and reducing exhaust and noise, comprising: the liquid catalyst pressured spraying exhaust gas reducing system, the exhaust gas bypass pipe, and the high temperature plasma exhaust gas reducing device, and the three are linked to achieve the effect of: without replacing the catalytic converter, the catalyst carrier can easily remove accumulated dirt and the block on the through holes, reduce the resistance of the exhaust gas, increase the horsepower of the engine, etc., thereby improving the efficiency of the engine and reducing the exhaust gas, so as to achieve degrading pollutants, makes vehicles comply with environmental regulations, and saves maintenance costs.