Method and apparatus for controlling gas emission of an internal combustion engine

Abstract

An apparatus for controlling exhaust gas emission, adapted to be connected to a suitable location on the exhaust system of an internal combustion engine, comprising a housing being capable of allowing entry and discharge of exhaust gases coming from the combustion chamber, characterized in that a gas flow controlling means and gas reaction chamber disposed in said housing, and air passage means provided in said housing and in communication with said gas reaction chamber wherein atmospheric air is capable of entering therein, said gas flow controlling means being capable of accelerating the flow speed of the exhaust gases passing therein before entering the gas reaction chamber, thereby drawing out and scavenging unburned fuel and carbon deposits in the combustion chamber and drawing atmospheric air into the air passage means due to partial vacuum formed in the flow controlling means, relief means provided in said gas flow controlling means being capable for allowing passage of some portions of the said exhaust gases to minimize pressure build-up therein, and said gas reaction chamber being capable of allowing entry of atmospheric air coming from air passage means, such that oxidizing reaction between the hot gases and air occurs, which causes the hot gases to be converted into environment-friendly gases before discharging it to the atmosphere.

1 . An apparatus for controlling exhaust gas emission, adapted to be connected to suitable location on an exhaust system of an internal combustion engine, comprising a housing having a jacket and being capable of allowing entry and discharge of exhaust gases coming from the combustion chamber, characterized in that a gas flow controlling means and gas reaction chamber disposed in said housing, and air passage means provided in said housing and in communication with said gas reaction chamber wherein atmospheric air is capable of entering therein, said gas flow controlling means being capable of accelerating the flow speed of the exhaust gases passing therein before entering the gas reaction chamber, thereby drawing out and scavenging unburned fuel and carbon deposits in the combustion chamber and drawing atmospheric air into the air passage means due to partial vacuum formed in the flow controlling means, relief means provided in said gas flow controlling means being capable of allowing passage of some portions of said exhaust gases to minimize pressure build-up therein, and said gas reaction chamber being capable of allowing entry of atmospheric air coming from air passage means and hot exhaust gases coming from the gas flow controlling means, such that oxidizing reaction between the hot gases and air occurs therein, which causes the hot gases to be converted into environment-friendly gases before discharging it to the atmosphere.  
   
   
       2 . An apparatus according to  claim 1  wherein said gas flow controlling means are a plurality of venturis and said relief means are holes disposed in at least one of the venturis.  
   
   
       3 . An apparatus according to  claim 1  wherein said relief means is pre-shaped in a manner that is capable of creating a swirling effect to the flow of gas passing thereto.  
   
   
       4 . An apparatus according to  claim 1  wherein said gas reaction chamber having constricted section in communication with said gas flow controlling means having air inlets capable of allowing entry of air coming from the air passage means.  
   
   
       5 . An apparatus according to  claim 1  wherein said air passage means is a hollow section encompassing the gas flow controlling means and gas reaction chamber having an opening wherein atmospheric air is capable of entering thereof.  
   
   
       6 . An apparatus according to  claim 1  wherein said air passage means is a tube having one end extending from the housing and the other end in communication with the gas reaction chamber.  
   
   
       7 . An apparatus according to  claim 1  wherein said jacket defines thereof a hollow chamber encompassing the annular wall of said housing.  
   
   
       8 . A method of controlling gas emission of an internal combustion engine comprising: 
 allowing the exhaust gases from the combustion chamber of an internal combustion engine to flow within a flow controlling means;    accelerating the flow speed of exhaust gases by venturi effect in the flow controlling means, thereby drawing out carbon deposits and unburned fuel in the combustion chamber;    drawing in atmospheric air through partial vacuum created by said flow speed acceleration within the flow controlling means;    allowing the atmospheric air to react with the hot exhaust gases containing said unburned fuel and carbon deposits;    minimizing dissipation of heat from the flow controlling means;    converting said exhaust gases into environment-friendly gases through the process of oxidation; and    disposing said environment-friendly gases into the atmosphere.    
   
   
       9 . A method of controlling gas emission according to  claim 8  which further includes the step of swirling some portion of the accelerated gas flow before the introduction of atmospheric air thereof.  
   
   
       10 . A method for controlling gas emission of an internal combustion engine comprising: 
 allowing exhaust gases from the internal combustion engine to flow through a first venturi;    minimizing dissipation of heat from the first venturi; and    converting the exhaust gases into environment-friendly gases through oxidation.    
   
   
       11 . The method of  claim 10 , further comprising: 
 allowing the exhaust gases flow through a second venturi    
   
   
       12 . The method of  claim 10 , further comprising: 
 accelerating the flow speed of the exhaust gases.    
   
   
       11 . The method of  claim 10 , further comprising: 
 drawing out carbon deposits and unburned fuel from the exhaust gases.    
   
   
       13 . The method of  claim 10 , further comprising: 
 allowing atmospheric air to react with the exhaust gases.    
   
   
       14 . The method of  claim 10 , further comprising: 
 disposing the environment-friendly gases into the atmosphere.    
   
   
       15 . An apparatus for controlling gas emission of an internal combustion engine comprising: 
 a first venturi, having a jacket and an outlet for carbon deposits and unburned fuel, adapted to be connected to an exhaust system and adapted to be connected to a gas reaction chamber.    
   
   
       16 . The apparatus of  claim 15 , further comprising: 
 a second venturi encompassing the venturi.    
   
   
       17 . The apparatus of  claim 15 , wherein the gas reaction chamber includes an inlet for atmospheric air.  
   
   
       18 . The apparatus of  claim 15 , wherein a first part of the venturi that is adapted to be connected to the exhaust system is larger than a second part of the venturi that is adapted to be connected to the gas reaction chamber.  
   
   
       19 . The apparatus of  claim 15 , wherein the outlet is a hole.  
   
   
       20 . The apparatus of  claim 15 , wherein the jacket defines a hollow chamber encompassing the first venturi.  
   
   
       21 . The apparatus of  claim 17 , wherein the inlet is a hole.  
   
   
       22 . The apparatus of  claim 16 , wherein the second venturi is longer than the first venturi.