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7383820 Electromechanical valve timing during a start  
A system and method to control engine valve timing to during the start of an internal combustion engine. Electromechanical valves are controlled in a manner to reduce hydrocarbon emissions during...
7380400 System and method for high pressure and low pressure exhaust gas recirculation control and estimation  
A system for a diesel engine having an intake manifold and an exhaust manifold is described. The system may include both a high pressure and low pressure exhaust gas recirculation system, as well...
7377270 Exhaust gas recirculation in a homogeneous charge compression ignition engine  
A homogeneous charge compression ignition engine operates by injecting liquid fuel directly in a combustion chamber, and mixing the fuel with recirculated exhaust and fresh air through an auto...
7367327 Device and process for overfeeding compressed gas to an intake pipe of a turbocharged engine  
Method and device ( 1 ) for boosting an intake pipe ( 4 ) of a turbocharged engine ( 5 ) with compressed gas. The method includes storing gases in a vessel ( 12 ) at a pressure greater than...
7357126 Corrosive resistant heat exchanger  
A heat exchanger for an air handling system is disclosed. The heat exchanger has an inlet, an outlet, and at least one passageway fluidly connecting the inlet and the outlet. The at least one...
7357125 Exhaust gas recirculation system  
A flow control mechanism connected to the intake and exhaust systems of an engine. The mechanism may achieve recirculation of exhaust gases despite varying differential pressures or pulses of...
7353783 Exhaust gas recirculation device for engine  
An exhaust gas recirculation device for an engine having a cylinder head with a suction port and an exhaust port, provided with a mechanism for recirculating a portion of exhaust gas to the suction...
7343906 Water jet propulsion boat  
A watercraft can include an engine having a crankshaft with its output end extending rearward of a crankcase and a supercharger for compressing air feeding it to the engine. The supercharger can be...
7322321 Engine valve assembly having holding tank with return valve and discharge valve in the valve assembly  
An Elevated Expansion-Ratio Internal Combustion Engine has a substantially standard repeating four-stroke sequence for each of a plurality of cylinders. The head of each cylinder has an intake...
7322194 System and method for reducing surge  
A method for controlling an engine having an intake manifold and an exhaust manifold, where an exhaust gas recirculation path with a valve is provided between said intake and exhaust manifold, and...
7322193 Exhaust gas recirculation system  
An exhaust gas recirculation (EGR) system is provided for an internal combustion engine having a combustion air intake circuit, an exhaust manifold, and an exhaust circuit for communicating engine...
7322192 Exhaust gas recirculation system  
An internal combustion engine includes an exhaust gas recirculation (EGR) system. The EGR system includes an air-to-gas EGR cooler, an air inlet line communicating cooling inlet air to the EGR...
7320219 Method for controlling an internal combustion engine using model based VGT/EGR control  
A method for controlling an internal combustion engine using model based control, the engine including a variable geometry turbocharger (VGT) driven in response to a VGT command signal and/or an...
7311090 Engine exhaust gas passage flow orifice and method  
An apparatus includes a gas passage ( 700 ) having a gas inlet ( 702 ), an engine gas outlet ( 704 ), and at least one exhaust gas recirculation (EGR) gas outlet ( 706 ), wherein the at least one...
7305958 Intake manifold  
An intake manifold including a collecting pipe and a plurality of branch pipes comprises a single gas intake port, a gas outlet port opening into each branch pipe, and a gas passage extending to be...
7305828 Engine boost pressure control  
A controller ( 70 ) controls the boost pressure of an internal combustion engine ( 60 ) comprising two intake/exhaust units, each intake/exhaust unit comprising a turbocharger ( 10 ) which...
7299793 EGR metallic high load diesel oxidation catalyst  
A compression ignition engine ( 10 ) has an EGR loop ( 22 ) that contains a metallic DOC ( 30 ) for treating recirculated exhaust gas obtained directly from cylinder exhaust through an exhaust...
7296562 Control system and method for estimating turbocharger performance  
A control system for estimating the performance of a compressor is disclosed. The control system has a compressor fluidly connected to an inlet manifold of a power source. The control system also...
7290504 System and method for operating an internal combustion engine with hydrogen blended with conventional fossil fuels  
A system for retrofitting an internal combustion engine to use a proportion of hydrogen gas and existing fossil fuel is disclosed. The system is comprised of a source of hydrogen gas and means for...
7281530 Supercharging system for internal combustion engine  
A supercharging system for an internal combustion engine includes an exhaust introduction passage for introducing exhaust gas from an internal combustion engine; an exhaust discharge passage for...
7281368 Nox discharge quantity estimation method for internal combustion engine  
In an NO x discharge quantity estimation method for an internal combustion engine equipped with an EGR apparatus, the gas components (e.g., oxygen molecules and NO x ) of intake gas taken into a...
7278410 Hydrocarbon adsorption trap for controlling evaporative emissions from EGR valves  
The present invention is directed to the use of an improved hydrocarbon adsorbent coating for the treatment of exhaust emissions from a motor vehicle. More specifically, the hydrocarbon adsorbent...
7267117 Method and device for controlling the exhaust gas recirculation in an internal-combustion engine based on the measurement of the oxygen concentration in the gaseous mixture taken in by the engine  
A method and a device for controlling the exhaust gas recirculation in an internal-combustion engine are described herein. The engine is provided with an air-intake system, a gas-exhaust system,...
7261095 Method for determining the temperature downstream the entry of a catalytic converter for a turbocharged engine  
This method for determining, in a turbocharged engine, the temperature of the exhaust gases downstream of the turbine of the turbocharger, comprises the following steps: determining the...
7257950 Diesel engine charge air cooler bypass passage and method  
An internal combustion engine ( 100 ) includes a turbocharger ( 107 ) having a turbine ( 109 ) and a compressor ( 111 ). A charge-air cooler ( 121 ) is in fluid communication with an outlet ( 117 )...
7255095 Dual combustion mode engine  
In an engine in which a first portion of engine cylinders operate in HCCI combustion mode only and a second portion of engine cylinders operate in SI combustion mode only, two EGR ducts and valves...
7246609 Internal combustion engine having cylinder disablement  
A multi-cylinder internal combustion engine having an exhaust system with an exhaust emission after-treatment device for exhaust gases from the cylinders, an air supply system for supplying fresh...
7231906 Simultaneous EGR correction and individual cylinder combustion phase balancing  
An internal combustion engine is configured with combustion chamber pressure sensing and exhaust gas recirculation apparatus. Fuel injection timing is adjusted based on combustion phasing and...
7231905 Internal combustion engine exhaust gas recirculation control  
An internal combustion engine is configured with combustion chamber pressure sensing and exhaust gas recirculation apparatus. Exhaust gas recirculation control includes closed-loop controlling...
7213586 Exhaust gas recirculation valve  
Mechanical systems having anti-stick mediums applied thereto are provided. In one aspect, exhaust gas recirculation (EGR) valve systems having anti-stick mediums applied thereto are also provided....
7213553 Internal EGR for an internal combustion engine  
An exhaust gas recirculation (EGR) system for use in a four-stroke, internal combustion, compression-ignition engine having at least one engine cylinder, at east one combustion chamber, at least...
7212908 System and method for reducing compression ignition engine emissions  
A method of reducing nitrogen oxides (NOx) and particulate matter (PM) in compression ignition engine emissions. The method includes monitoring at least one engine sensor that generates a signal in...
7207323 Catalytic core reactor for thermochemical heat recovery  
A fuel conversion system having an exhaust gas generator, such as an engine or a furnace, having a heated exhaust gas outlet, a reactor vessel having a heated exhaust gas inlet in fluid...
7201138 Control system for internal combustion engine  
A control system used with an engine determines a fuel injection timing according to a detected engine operating condition and fuel injection is executed through a fuel injection valve. The target...
7198024 Low emissions compression ignited engine technology  
A method and apparatus for operating a compression ignition engine having a cylinder wall, a piston, and a head defining a combustion chamber. The method and apparatus includes delivering fuel...
7195007 Apparatus for calculating amount of recirculated exhaust gas for internal combustion engine  
An intake pipe downstream of a throttle valve is interconnected with an exhaust pipe via an EGR supply pipe and an EGR control valve is disposed in the EGR supply pipe. An engine load ratio (KLoff)...
7182603 Electronic valve actuator electrical connector  
An electrical connector for mounting to an electronically controlled valve assembly of an internal combustion engine and for electrically connecting the valve assembly to a control system for the...
7171957 Control strategy for expanding diesel HCCI combustion range by lowering intake manifold temperature  
An engine ( 10, 100 ) utilizes “regular EGR cooling” when operating in HCCI mode within a low load range and “enhanced EGR cooling” that allows the engine to continue to operate in HCCI...
7167790 Engine control system  
A control system for controlling a control target apparatus provided to an engine includes a main ECU and a sub-ECU. The main ECU calculates at least one operational command value according to an...
7162356 Control apparatus and control method for internal combustion engine  
A control apparatus for an internal combustion engine provided with a fuel supply mechanism capable of adjusting a fuel supply amount includes a flow rate sensor that detects an intake air flow...
7152393 Arrangement for utilizing the throttle energy of an internal combustion engine  
In an arrangement for reducing exhaust emissions and utilizing the throttling energy of an internal combustion engine, a compressor and a generator are operatively connected to a turbine by which...
7124582 Method and apparatus for determining turbocharger boost  
A method of determining an adjusted boost signal includes determining a steady-state boost for a turbocharger ( 103, 105 ) for an internal combustion engine ( 101 ). The steady-state boost is...
7121235 Reciprocating internal combustion engine  
An internal combustion engine ( 1010 or 2000 ) is provided. The internal combustion engine includes a housing ( 1013 or 1068 ) and a piston assembly ( 6, 1012 , and 2038 ) disposed in the...
7121081 Exhaust gas recirculation afterburner  
An embodiment of the invention includes an exhaust gas recirculation (EGR) valve, an intake pipe, and an afterburner. As the intake valve communicates an exhaust gas stream to an EGR valve, an...
7107978 Engine control system  
An engine control system is configured to improve the estimation accuracy of a fresh intake air quantity and a total intake air quantity that flows into the combustion chambers. The engine control...
7107770 Engine control device  
An engine control device is configured to prevent surging in an engine equipped with both a variable-nozzle turbocharger and an EGR device while curbing costs by utilizing existing equipment and...
7107761 Exhaust control apparatus of internal combustion engine and exhaust gas flow amount estimating method  
An exhaust control apparatus applied to an internal combustion engine in which intake sides of a plurality of cylinder groups are connected to a common intake passage and exhaust sides thereof are...
7104522 Coking-resistant shaft/bushing mechanism for an exhaust gas recirculation valve  
An exhaust gas recirculation valve assembly including a bushing and pintle shaft sub-assembly having a pintle shaft supported by a sleeve bushing, the contact area between the shaft and bushing...
7100585 Method and device for diagnosing the operating condition of an internal combustion engine exhaust gas recycling valve  
A method for diagnosing the operating condition of an internal combustion engine exhaust gas recycling valve. The method acquires a measurement value of a reference position of the recycling valve...
7076953 Method for controlling an engine with VGT and EGR systems  
A method for controlling an internal combustion engine is provided. The engine includes a variable geometry turbocharger (VGT) system and an exhaust gas recirculation (EGR) system. In a boost mode,...
Matches 1 - 50 out of 301 1 2 3 4 5 6 7 >