Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01N - Gas-flow silencers or exhaust apparatus for machines or engines in general; Gas-flow silencers or exhaust apparatus for internal-combustion engines › F01N 9 - Electrical control of exhaust gas treating apparatus
Patents for F01N 9 - Electrical control of exhaust gas treating apparatus (7,942)
05/1997
05/09/1997WO1997013055A3 Process and device for metering the introduction of a reducing agent into the waste gas or air stream of a combustion unit
05/09/1997WO1997012129A3 Process and device for reacting a pollutant in an exhaust gas on a catalyst
05/01/1997WO1997015750A2 Process for regulating the fuel-oxygen ratio of exhaust gas upstream of a catalytic converter
05/01/1997WO1997015468A2 Method and device for detecting and documenting damage to catalytic converters
04/1997
04/30/1997DE19643674A1 Engine exhaust gas catalyser temp. detector
04/30/1997DE19539937A1 Verfahren zur Steuerung des Abgasverhältnisses von Kraftstoff zu Sauerstoff im Abgastrakt eines Katalysators Method for controlling the exhaust gas ratio of fuel to oxygen in the exhaust gas tract of a catalyst
04/22/1997US5622049 Control system with function of protecting catalytic converter for internal combustion engines for automotive vehicles
04/17/1997WO1997013964A1 Process and device for monitoring the operation of a catalyst
04/17/1997DE19537788A1 Verfahren und Vorrichtung zur Überwachung der Funktionsweise eines Katalysators Method and apparatus for monitoring the functioning of a catalyst
04/16/1997EP0572498B1 A method and a device for catalyst emission control
04/15/1997US5620490 Diesel particulate filter apparatus
04/10/1997WO1997013055A2 Process and device for metering the introduction of a reducing agent into the waste gas or air stream of a combustion unit
04/10/1997DE19536571A1 Verfahren sowie Vorrichtung zur Dosierung der Eingabe eines Reduktionsmittels in den Abgas- oder Abluftstrom einer Verbrennungsanlage A method and apparatus for metering the input of a reducing agent in the exhaust gas or exhaust-air stream of a combustion system
04/09/1997EP0766780A1 Method of controlling the electric heating of a catalytic converter
04/08/1997US5617720 Method for controlling the fuel supply for an internal combustion engine with a heatable catalytic converter
04/03/1997WO1997012129A2 Process and device for reacting a pollutant in an exhaust gas on a catalyst
04/03/1997DE4042562C2 IC engine exhaust filter cleaning system - has box calculating when set degree of clogging has been reached and controlling heater to induce soot burning
04/02/1997EP0677143B1 Control system for an internal combustion engine
04/02/1997EP0597106B1 Exhaust and purification device for internal combustion engines
03/1997
03/19/1997EP0763650A1 apparatus for controlling the supply of electric power to electrically heated catalyst
03/13/1997DE19533307A1 Rapid heating device for exhaust catalyser of vehicle
03/12/1997EP0573672B1 Exhaust emission control device in internal combustion engine
03/11/1997US5609024 Exhaust gas purification apparatus for internal combustion engine
03/11/1997US5609023 Fuel supply control system for internal combustion engines
03/05/1997EP0677140B1 Diesel engine exhaust regenerable filter system
03/04/1997US5606855 Apparatus and method for estimating the temperature of an automotive catalytic converter
02/1997
02/11/1997US5600949 Exhaust gas-purifying system for internal combustion engines
02/11/1997US5600948 Engine air-fuel ratio controller
02/11/1997US5600947 Method and system for estimating and controlling electrically heated catalyst temperature
01/1997
01/29/1997EP0756072A2 A device for determining an abnormal degree of deterioration of a catalyst
01/29/1997EP0756071A2 A device for determining an abnormal degree of deterioration of a catalyst
01/29/1997EP0673472B1 Process for controlling the heating of an electrical heatable catalytic converter
01/21/1997US5595580 Diesel particulate filter and control device therefor
01/15/1997EP0516692B1 Exhaust emission control
01/07/1997US5590521 Method and device for forming a simulated signal of the temperature of the exhaust gas, exhaust gas sensor or catalytic converter
12/1996
12/31/1996US5588291 Method for controlling the heating of an electrically heatable catalytic converter
12/17/1996US5584177 Adsorber temperature-estimating device for internal combustion engines and exhaust gas-purifying system using same
12/03/1996US5580477 Electric power supply for a heater heating a catalyst for purifying automotive exhaust gases
11/1996
11/26/1996US5577383 Apparatus for controlling internal combustion engine
11/20/1996EP0743429A2 Device for purifying the exhaust gas of a diesel engine
10/1996
10/23/1996EP0678154B1 Exhaust filter backpressure indicator
10/22/1996US5566547 Controlling apparatus for introducing air into an exhaust pipe of an internal combustion engine
10/15/1996US5564405 Regulating method for optimizing emission of pollutants from a combustion system
10/09/1996EP0736136A1 Method for testing the convertability of a catalytic converter
10/01/1996US5560201 System for purifying exhaust gas for use in an automobile
10/01/1996US5560200 Method and apparatus for functional monitoring of a catalytic converter
10/01/1996US5560199 Malfunction monitoring apparatus and method for secondary air supply system of internal combustion engine
09/1996
09/25/1996EP0733155A1 Improved particulate filter, and system and method for cleaning same
09/25/1996EP0697062B1 Process and device for controllably adding a reducing agent into nitrogen oxide-containing exhaust gas
09/18/1996EP0731876A1 Process for checking a catalyst heating burner system
09/17/1996US5555725 Control system for electrically heated catalyst of internal combustion engine
09/17/1996US5555724 Capacity determining system in exhaust emission control unit for internal combustion engine
09/12/1996WO1996027734A1 Arrangement for reducing exhaust gas emissions from an internal combustion engine with an exhaust gas catalytic converter
09/12/1996WO1996027733A1 Device and method for heating a catalytic converter for the exhaust of an internal-combustion engine
09/12/1996DE19507977A1 Verfahren und Anordnung zur Reduzierung der Abgasemissionen von Verbrennungsmotoren mit Abgaskatalysatoren Method and apparatus for reducing emissions from internal combustion engines with catalytic converters
09/11/1996CN1032775C Filter regenerating apparatus for IC engine
09/10/1996US5553451 Electrically heated catalytic converter system for an engine
09/03/1996US5551971 Particulate filter, and system and method for cleaning same
09/03/1996US5551231 Engine exhaust gas purification device
08/1996
08/29/1996DE19607341A1 Exhaust gas purification appts. for diesel engine exhausts
08/28/1996EP0689640B1 Process for checking the conversion capability of a catalyst
08/14/1996EP0725891A1 Process for controlling the fuel supply to an internal combustion engine with heatable catalyst
08/14/1996DE19504184A1 Diesel engine soot filter regeneration method using burner
08/13/1996US5544639 Temperature predicting system for internal combustion engine and temperature control system including same
07/1996
07/16/1996US5537321 Diagnostic apparatus for controlling the operation of a catalytic converter
07/11/1996WO1996021128A1 Vehicle heater with combustion-air fan control
07/04/1996DE4447286A1 Fahrzeugheizgerät mit geregeltem Verbrennungsluftgebläse Vehicle heater with controlled combustion air blower
07/03/1996EP0719911A1 Device to clean the particulate filter for a diesel engine exhaust apparatus
07/03/1996CN1125815A Filter for engine waste gas of vehicle and motorcyde
06/1996
06/18/1996US5526643 System for diagnosing deterioration of catalyst
06/12/1996EP0715685A1 Engine management system
06/05/1996EP0714476A1 Control of secondary air to an electrically heated catalyst using feedback control
06/04/1996US5523547 System for diverting electric current to an electrical load
06/04/1996US5522218 Combustion exhaust purification system and method
05/1996
05/29/1996EP0713959A2 An exhaust gas purification device for an engine
05/28/1996US5519992 Exhaust gas purification system for internal combustion engine, and apparatus and method for controlling the same
05/21/1996US5517848 Exhaust gas purification system for internal combustion engine, and apparatus and method for controlling the same
05/15/1996EP0711908A2 Control method for optimizing the pollution emission of a combustion system
05/09/1996DE4439705A1 Pressure pulsation reduction system for automobile exhaust pipe
05/08/1996EP0695396A4 Emission control device and method
04/1996
04/30/1996US5512789 Electrically heated catalyst control
04/30/1996US5511413 Used in an exhaust gas system of a diesel engine
04/11/1996WO1996010685A1 Process for checking a catalyst heating burner system
04/04/1996DE19534903A1 Engine exhaust emission reduction device
04/02/1996US5503804 Internal combustion engine exhaust systems having heaters with independent power sources
03/1996
03/28/1996DE4433631A1 Generating temperature signal of exhaust system in motor vehicle IC engine
03/27/1996CN1119464A Process and device for monitoring the operation of a catalytic converter
03/14/1996DE4430965A1 Verfahren zum Steuern der Kraftstoffzufuhr für eine Brennkraftmaschine mit beheizbarem Katalysator A method for controlling the supply of fuel for an internal combustion engine with a heated catalyst
03/14/1996DE19508013C1 Air-flowmeter-controlled heater or exhaust gas catalytic converter for motor vehicle
03/07/1996WO1996007020A1 Process for controlling the fuel supply to an internal combustion engine with heatable catalyst
03/07/1996DE4431565A1 Process and device to thermally regenerate soot filters
03/06/1996EP0699828A1 Diesel particulate filter apparatus
03/06/1996EP0699827A1 Diesel particulate filter apparatus
03/05/1996US5497099 Antenna system for soot detecting
02/1996
02/29/1996WO1996006270A1 Combustion exhaust purification system and method
02/27/1996US5493858 Controlling apparatus for introduction air into exhaust pipe of internal combustion engine
02/27/1996US5493857 Exhaust gas-purifying system for internal combustion engines
02/13/1996US5490381 Need-based method of heating a catalyst in the exhaust system of an internal combustion engine
02/08/1996DE4440833A1 Catalysts and reducing agent injection system preventing emission of nitrogen oxide(s) from lean burning diesel engine
02/07/1996EP0695396A1 Emission control device and method
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