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| Number | Title | Issue Date |
| 8176727 | Internal combustion engine control apparatus and control method of internal combustion engine The internal combustion engine control apparatus of the invention starts gradually delaying an ignition timing θ for catalyst warm-up, immediately after a start of an internal combustion engine. When the ignition timing θ is delayed to or below a preset reference ... | 05/15/2012 |
| 8136344 | Fuel control device and fuel control method At the start-up of an engine, the ignition timing and the air-fuel ratio are controlled to prevent overload onto the volume of ISC air and decreased torque and torque difference. The fuel condition based on the amount of ignition timing correction to inhibit ... | 03/20/2012 |
| 8112985 | Hydrocarbon retaining system configuration for combustion engine Systems, methods, and computer readable storage media are described in which exhaust gas is routed to a hydrocarbon retaining device during starting, and purged to the engine intake manifold. Various alternative approaches are described for controlling operation and... | 02/14/2012 |
| 8091339 | Method for operating an internal combustion engine In a method for operating an air-compressing fuel-injection internal combustion engine having an exhaust gas post-treatment system with a particle filter and a nitrogen oxide reduction catalytic converter, a plurality of internal combustion engine operating settings... | 01/10/2012 |
| 8056320 | Cold-start control systems for internal combustion engines A cold-start control system includes an air pump control module that controls an air pump and an engine starting module that starts an engine. The air pump control module activates the air pump to supply oxygen to a catalytic converter based on a temperature of the ... | 11/15/2011 |
| 8037673 | Selective catalyst reduction light-off strategy An emissions control system includes a temperature determination module and an emissions control module. The temperature determination module determines a first temperature of a heater element of a diesel particulate filter (DPF) assembly in an exhaust system and de... | 10/18/2011 |
| 7992375 | Treatment of engine exhaust using molecular sieve SSZ-73 The present invention relates to new crystalline, essentially all silicon oxide molecular sieve SSZ-73 prepared using a 3-ethyl-1,3,8,8-tetramethyl-3-azoniabicyclo[3.2.1]octane cation as a structure-directing agent, and its use in treating engine exhaust. ... | 08/09/2011 |
| 7980062 | Cold start white smoke aftertreatment protection A method for cold start white smoke protection of a hydrocarbon after treatment device, and method of engine operation to effect the same. The method comprises a) determining the temperature of the hydrocarbon after-treatment device during cold start conditions; b) ... | 07/19/2011 |
| 7958720 | Combustion control apparatus for direct-injection spark-ignition internal combustion engine A combustion control apparatus is configured for a direct-injection spark-ignition internal combustion engine. The combustion control apparatus selects an extremely retarded combustion mode while the internal combustion engine is in a predetermined operating state. ... | 06/14/2011 |
| 7895825 | Method and apparatus for reducing exhaust gas including hydrocarbons during initial cold start period Disclosed herein is a method and apparatus for reducing exhaust gases in an initial cold start period, in which a main catalyst unit is connected to an engine through an exhaust pipe, including the steps of receiving signals for stopping engine operation from an eng... | 03/01/2011 |
| 7854114 | Increasing exhaust temperature for aftertreatment operation One embodiment of the present invention includes an internal combustion engine system designed to increase exhaust temperature when operating with a low mechanical load—such as idle operation. This increased exhaust temperature is provided to operate aftertreatmen... | 12/21/2010 |
| 7849673 | Procedure for heating-up and keeping warm an emission control assembly of a motor vehicle The invention relates to a procedure to heat up or keep warm an exhaust gas emission control assembly of a vehicle with a drive train containing one transmission. The drive train is powered by an internal combustion engine and at least one second drive unit. It is p... | 12/14/2010 |
| 7832195 | Control device and control method for spark-ignited internal-combustion engine Super retard combustion is performed in which an ignition timing is set to be after a compression top dead center and fuel is injected before the ignition timing and after the compression top dead center, at cold start or the like which requires early warming-up of ... | 11/16/2010 |
| 7814743 | Control apparatus for internal combustion engine In an engine 5 including an in-cylinder injector, the valve timing of an intake valve is retarded by VVT (Variable Valve Timing) controlled by an engine ECU to decompress in a combustion chamber at engine startup. In accordance with a configuration in which t... | 10/19/2010 |
| 7797928 | Method and apparatus for purifying exhaust gases In a method for purifying exhaust gases in particular from lean-burn internal combustion engines having an exhaust-gas converter with a heat exchanger and catalysts arranged in inflow and/or outflow passages, the heat exchanger exhaust gas which flows in is heated b... | 09/21/2010 |
| 7762059 | Treatment of engine exhaust using molecular sieve SSZ-74 The present invention relates to new crystalline molecular sieve SSZ-74 prepared using a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium) dication as a structure-directing agent, and its use in treating engine exhaust. ... | 07/27/2010 |
| 7716915 | Exhaust purification catalyst warm-up system of an internal combustion engine and method of the same An exhaust purification catalyst warm-up system has an air pump that supplies air upstream from an exhaust purifying catalyst, disposed in an exhaust pipe of an internal combustion engine, the pump supplying air when the exhaust purifying catalyst is being warmed up... | 05/18/2010 |
| 7694507 | Control apparatus of internal combustion engine In an engine including an in-cylinder injector and an intake manifold injector, the fuel injection ratio between the injectors with respect to a total fuel injection quantity in the homogeneous combustion operation is normally set in accordance with the engine opera... | 04/13/2010 |
| 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 stage. When warming up of the catalyst is requested it determines wheth... | 05/26/2009 |
| 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) for direct injection of fuel into at least one combustio... | 01/13/2009 |
| 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 port, a first catalyst, a second catalyst, and a secondary air intro... | 11/11/2008 |
| 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 is disposed in an exhaust passage of an engine and treats an exhaust g... | 10/28/2008 |
| 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 apparatus for the internal combustion engine includes: an intake air ... | 10/28/2008 |
| 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 setting the ratio of fuel injection by an in-cylinder injector to be... | 08/19/2008 |
| 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 cut fuel for the approach; cutting the fuel and determining whether th... | 07/29/2008 |
| 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 difference sensor for detecting a pressure difference between an upstream ... | 07/29/2008 |
| 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 flow, and is in fluid communication with the emissions control device fo... | 05/27/2008 |
| 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 order to reduce the nitrogen oxide and exhaust particulate emissions... | 05/20/2008 |
| 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 at least one component of an exhaust gas post-treatment system, has th... | 05/13/2008 |
| 7370473 | Exhaust gas purification device for internal combustion engine By performing main fuel injection and sub fuel injection to perform rich operation of an engine, NOx purging of a NOx catalyst is carried out, and in the NOx purging, the ratio between the main fuel injection quantity and the sub fuel injection quantity is variably ... | 05/13/2008 |
| 7370643 | Internal combustion engine having compressed air supply passages therein for routing compressed air to charge injectors A V-type internal combustion engine includes cylinder heads having respective compressed-air supply channels extending therein for providing fluid communication between an air compressor and charge injectors. Formation of condensation in the compressed-air supply ch... | 05/13/2008 |
| 7370474 | Exhaust gas purifying equipment for a diesel engine An exhaust gas purifying equipment for a diesel engine having a first continuous regeneration type DPF (12) in an exhaust passage (7) of an engine (2), a second continuous regeneration type DPF (13) in a bypass passage (101), a swi... | 05/13/2008 |
| 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 the internal combustion engine is applied to heat the catalytic conver... | 05/06/2008 |
| 7367184 | Fuel injection control device for internal combustion engine A fuel injection amount control device is used for an internal combustion engine. A secondary air supply device supplies secondary air into an exhaust passage of the internal combustion engine. Flow amount calculating circuitry calculates a secondary air flow amount... | 05/06/2008 |
| 7367183 | Internal combustion engine with a fuel reformer and ammonia generator The present invention relates to an internal combustion engine which is used in particular in motor vehicle having a reformer for generating hydrogen, whereby the reformer has a single operating mode in which it generates as much reformate as needed or even more for... | 05/06/2008 |
| 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 of fuel economy and drivability and the emission-reducing capability... | 04/29/2008 |
| 7360356 | Exhaust gas purifying apparatus for internal combustion engine A main control computer commands a second sub-control computer to perform a reduced-cylinder operation when the coolant temperature detected by a coolant temperature sensor is greater than or equal to a reference temperature, and the exhaust temperature detected by ... | 04/22/2008 |
| 7357110 | Resin intake manifold A raised portion is formed at a predetermined location on an inside surface of a wall portion of an intake manifold. A gas introduction hole for introducing gas containing water vapor is formed in another predetermined location, other than in the raised portion, in ... | 04/15/2008 |
| 7355292 | Power generation control apparatus for internal combustion engine An increment of a fuel consumption rate caused by power generation is determined from a difference in fuel consumption rate between a case of performing power generation of an alternator and a case of stopping the power generation. The increment of the fuel consumpt... | 04/08/2008 |
| 7350504 | Control apparatus and method for inner cylinder direct injection spark ignited internal combustion engine In control apparatus and method for an inner cylinder spark ignited internal combustion engine having a fuel injection valve configured to directly inject fuel into an inside of an engine cylinder and a spark plug, a super retard combustion is executed to set an ign... | 04/01/2008 |
