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7617673 |
Controller for internal combustion engine
A start-up assisting degree by a motor is set at an appropriate level on the basis of a catalyst condition represented by a catalyst temperature, an oxygen storage (degree) in the catalyst, a...
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7614216 |
Exhaust cleaning-up device for internal combustion engine for vehicle
In an exhaust system, there are provided an HC absorbent which absorbs HC contained in exhaust when in a specified low-temperature range and desorbs the absorbed HC when it exceeds said...
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7603848 |
Control apparatus of internal combustion engine
The ignition timing is sustained at an initial value during a predetermined time beginning at a start of an engine, and is retarded after the predetermined time is elapsed to heat a catalyst at an...
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7536852 |
Combustion air-fuel ratio control system for an internal combustion engine
A combustion air-fuel ratio control system controls the combustion air-fuel ratio when the warming-up of the catalyst is required and achieves an increase in the catalyst temperature at an early...
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7536853 |
Heating system for a vehicle having an exhaust system
A heating system for use on an exhaust system having an exhaust gas passageway, the engine having a cooling system to circulate a cooling fluid to and from the engine, includes a fuel-dosing member...
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7533519 |
Three sensor comparison rationality test
Testing of temperature sensors ( 28, 30, 32 ) in an emission control system, such as in an exhaust system ( 10 ) of a diesel engine, serves to condition further component and/or system testing by...
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7526914 |
Heater control device for gas sensor
An oxygen concentration sensor including the sensor element for detecting oxygen concentration in the exhaust gas and the heater for heating the sensor element is installed at the location...
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7520125 |
Method for controlling the amount of secondary air
A method for controlling the amount of secondary air of a motor vehicle, which has a device for injecting secondary air. The increase in the injected amount of secondary air is carried out as a...
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7513104 |
Diagnostic apparatus for internal combustion engine
A diagnostic apparatus for an internal combustion engine. An exhaust purification section includes an exhaust purifier disposed in an exhaust passage of the internal combustion engine, for...
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7506517 |
System and method for turbine engine startup profile characterization
A system and method is provided for startup characterization in a turbine engine that provides the ability to accurately characterize engine startup. The startup characterization system and method...
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7503166 |
Gasoline internal combustion engine with dynamic combustion mode allocation
An internal combustion engine having combustion cylinders capable of running on gasoline in either a spark ignition mode or in a homogenous charge compression mode. The allocation of cylinders in...
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7475534 |
Method for controlling fuel injection and a motor vehicle
The invention is directed to a method for controlling fuel injection in an internal combustion engine ( 10 ) having at least one electric machine ( 26 ), wherein a direct injection system ( 18 )...
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7458203 |
Hybrid vehicle and method for operating a hybrid vehicle
A method for operating a hybrid vehicle is provided. The hybrid vehicle has a combustion engine and an electric motor each providing a torque for operating the hybrid vehicle. The hybrid vehicle...
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7448204 |
Exhaust system for an engine
A four-cycle engine is provided that includes an exhaust port for releasing combusted gas from the engine and an exhaust system. The exhaust system includes an exhaust pipe coupled with the exhaust...
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7441401 |
Control apparatus for internal combustion engine
The present invention provides a control apparatus for an internal combustion engine which can make a determination on fuel property with high accuracy without causing a cost increase. The control...
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7444233 |
Diagnostic apparatus and diagnostic method for an internal combustion engine
A diagnostic apparatus for an internal combustion engine is disclosed herein. In one embodiment, the diagnostic apparatus comprises a catalytic converter and a controller. The catalytic converter...
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7412821 |
Control apparatus for internal combustion engine
An engine ECU executes a program including the step of performing an operation for rapid catalyst warm-up, under the conditions that an engine is started and rapid catalyst warm-up is necessary, by...
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7404289 |
Vehicular control device
An engine ECU executes a program including the steps of: if it is necessary to take an anti catalytic odor approach and the engine should be warmed up, resetting an engine warm up request flag to...
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7404291 |
Exhaust gas purifying apparatus for internal combustion engine
An exhaust gas purifying apparatus for an internal combustion engine, including a filter provided in an exhaust system of the engine for trapping particulates in exhaust gases, and a pressure...
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7377102 |
Device and method for heating exhaust gas
A device and method for heating exhaust gas from the combustion of fossil fuel upstream of an emissions control device, especially a diesel particulate filter. A conduit receives an exhaust gas...
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7373917 |
Method for operating a hybrid vehicle
The invention relates to a method for operating a hybrid vehicle with a drive train which comprises an internal combustion engine driven by diesel fuel and at least one electric driving machine. In...
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7370470 |
Method for increasing the exhaust gas temperature of internal combustion engines
A method for increasing the exhaust gas temperature of internal combustion engines, particularly for driving a motor vehicle under load in order to reach the necessary regeneration temperature of...
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7367179 |
Method and device for operating an internal combustion engine having a catalytic converter
A method and a device for operating an internal combustion engine having a catalytic converter are described making it possible to heat the catalytic converter more quickly. An additional load of...
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7363906 |
Control system for internal combustion engine
A control system for an internal combustion engine, which can determine just enough amounts of demanded combustion fuel and auxiliary fuel during execution of auxiliary fuel supply, for improvement...
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7340886 |
Diesel engine comprising DPM filter and DPM filter regeneration method
A diesel engine ( 1 ) comprises an exhaust passage ( 3 ), and a DPM filter ( 4 ) provided on the exhaust passage ( 3 ), which traps diesel particulate matter (DPM) contained in the exhaust gas such...
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7340336 |
Plant control system
A plant control system using response specifying control that makes it possible to independently set a follow-up behavior for an output value of a plant when a target output value of the plant...
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7310940 |
Method of operating a system comprising a diesel engine and catalyst for exhaust gas purification
The invention relates to a method and an apparatus of operating a drive system comprising an engine and an exhaust gas purification unit containing a catalyst, where the engine emits an exhaust gas...
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7305825 |
Engine turbine temperature control system
A turbine temperature control (TTC) system for regulating operation of an engine to control a temperature of a forced air induction device. The system includes a sensor that is responsive to an...
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7305819 |
Plant temperature control system
In a temperature control system of a plant such as an engine exhaust system, there are provided a catalyst heat model calculating a temperature estimated value of the plant, a temperature sensor...
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7293406 |
Engine control for low emission vehicle starting
A method for rapidly heating an emission control device in an engine exhaust uses excess air added to the exhaust via an air introduction device. After an engine cold start, the engine is operated...
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7293405 |
Multi-cylinder internal combustion engine and method for operation thereof
In a multi-cylinder internal combustion engine and a method for operating a multi-cylinder internal combustion engine, cylinders are assigned an exhaust line and, in each case, a gas inlet valve...
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7269941 |
Fuel injection control apparatus and fuel injection control method for internal combustion engine
An internal combustion engine includes an in-cylinder injection valve and an intake passage injection valve. A control apparatus of the engine determines whether the temperature of a component...
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7240481 |
Engine load control for reduced cold start emissions
A control system for an engine that drives an alternator includes a first module that reduces an alternator load when the engine is cranked. A second module determines a desired exhaust energy rate...
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RE39720 |
Catalytic reduction of emissions from internal combustion engines
An apparatus for treating an exhaust gas stream from cold startup through continuous operating conditions of an internal combustion engine includes an oxidizing catalyst bed disposed in an exhaust...
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7216480 |
Exhaust emission control system
An exhaust emission control system for a vehicle including a primary engine and a secondary engine having a displacement smaller than that of the primary engine is provided with an exhaust passage...
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7216479 |
Exhaust emission control system for vehicle internal combustion engine
Normally, at the time of cold-start of an internal combustion engine or the like, the flow of exhaust in an exhaust passage of the internal combustion engine is suppressed or two-stage combustion...
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7207170 |
Warm-up method and warm-up system for internal combustion engine
A warm-up system is provided for an internal combustion engine equipped with a CO 2 absorbing and releasing agent that absorbs CO 2 at a temperature in a first temperature range and releases the...
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7188468 |
Controller for cylinder cut-off for multi-cylinder internal combustion engine
A controller for cylinder cut-off for a multi-cylinder internal combustion engine including a partially operable cylinder that can be cutoff by a cut-off cylinder mechanism provided therewith and a...
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7185487 |
Adaptive engine control for low emission vehicle starting
A method for rapidly heating an emission control device in an engine exhaust uses excess air added to the exhaust via an air introduction device. After an engine cold start, the engine is operated...
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7178327 |
Internal combustion engine and control method thereof
An internal combustion engine in which power is generated by burning a mixture of fuel supplied from a port injector and/or an in-cylinder injector and air in a combustion chamber, includes a valve...
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7168239 |
Method and system for rapid heating of an emission control device
A method is disclosed for controlling operation of an engine coupled to an exhaust treatment catalyst. Under predetermined conditions, the method operates an engine with a first group of cylinders...
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7168238 |
Method for heating up a catalyst in combustion engines with direct fuel injection
A method for heating up a catalytic converter in internal combustion engines having gasoline direct injection is presented and has the steps: shifting the ignition toward retard; checking whether...
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7165392 |
Exhaust gas purifying system for engine
An exhaust gas purifying system for an engine, including a HC trap catalyst disposed in an exhaust passage and operative to trap HC contained in the exhaust gas, and a control unit being programmed...
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7165391 |
Method to reduce engine emissions for an engine capable of multi-stroke operation and having a catalyst
A method to control valves in a cylinder operating in a multi-stroke cylinder mode. Valves are controlled to improve engine emissions as operating conditions vary.
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7155899 |
Method for heating an exhaust gas catalyst for an internal combustion engine operating with direct fuel injection
The invention relates to the heating of an exhaust gas catalyst arranged on an internal combustion engine with direct fuel injection, variable valve drive and a blower device, whereby, after...
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7152395 |
Method and apparatus for controlling internal combustion engine
A method and apparatus controls an internal combustion engine of a vehicle in which an exhaust purifying catalyst capable of storing oxygen is provided in an exhaust system of the engine. The...
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7146798 |
Method for control of a diagnosis of a catalyst in the exhaust of an internal combustion engine
A control for diagnosing a catalytic converter in the exhaust gas of an internal combustion engine having means for determining the catalytic converter temperature is presented. The diagnostic...
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7143576 |
Fuel injection control device of internal combustion engine
A fuel injection control device of an internal combustion engine includes fuel injection valve control means which calculates a basic fuel injection flow rate which becomes a target air-fuel ratio...
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7121084 |
Device for controlling an internal combustion engine
In elevating the exhaust gas temperature for conducting the sulfur contamination-removing operation for a NO x occluding and reducing catalyst, a motor/generator is driven by the electric power...
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7121085 |
Method and apparatus for controlling hydrocarbon injection into engine exhaust to reduce NOx
A method and system for controlling hydrocarbon injection into engine exhaust to reduce NOx. The method and system inject the hydrocarbon into the engine exhaust in accordance with detection of a...
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