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Match Document Document Title
8166756 Turbine intake pressure release structure  
A turbine intake pressure release structure to control pressure release between a throttle and a first turbine boosted pressure outlet includes a pressure release valve which has a first pressure...
8166755 Turbocharger system with turbine bypass valve actuated by multiple-rate fluid pressure actuator  
A fluid pressure actuator for a turbocharger system's turbine bypass valve comprises a piston slidable in a cylinder so as to define a chamber containing a compression spring assembly operable to...
8061137 Fuel control system for limiting turbocharger speed  
A method is provided for operating a turbocharger. The method includes sensing a parameter indicative of a speed of a turbocharger and a parameter indicative of an engine speed. The method also...
7721539 System for controlling engine fueling to limit engine output power  
A method for controlling fueling of an internal combustion engine is provided. The engine may include an intake manifold, one or more exhaust manifolds and a turbocharger coupled between the intake...
7681394 Control methods for low emission internal combustion system  
Improved transient response times are obtained while maintaining low emissions with a low pressure EGR system through methods for quickly obtaining a desired oxygen concentration for charge-air to...
7426828 Method and device for controlling the airflow supplied to an internal combustion engine  
This method is intended for a turbocharged internal combustion engine having an electrically controlled throttle valve. The turbocharger has a waste gate for regulating its pressure. The position...
7152397 Additional system for assisting regeneration of pollution control means of a motor vehicle  
This system, in which the engine is associated with a turbocharger and with a feed device adapted to implement first and second regeneration strategies depending on different engine operation...
7047741 Methods for low emission, controlled temperature combustion in engines which utilize late direct cylinder injection of fuel  
A method is provided for close control and adjustment of in-cylinder oxygen concentration levels together with boost adjustments to minimize harmful emissions during transients in engines which...
6945047 Apparatus and method for automatic detection and avoidance of turbocharger surge on locomotive diesel engines  
The invention is an apparatus and method for detecting and responding to a surge event in a locomotive engine system including a turbocharger and a diesel engine. A sensor detects an operating...
6715287 Method and device for controlling an internal combustion engine that is provided with an air system  
A device and a method for controlling an internal combustion engine with an air system are described. At least one variable characterizing the air system is determined on the basis of at least one...
6644029 Process for control of boost pressure limitation of a turbocharger in an internal combustion engine as a function of the density of ambient air  
A process for the control of boost pressure of a turbocharger in an internal combustion engine as a function of the density of the ambient air. The internal combustion engine has an exhaust gas...
6625984 Variable geometry nozzle for radial turbines  
A variable geometry nozzle suitable for a radial turbine in a turbocharger for an internal combustion engine. The turbine inlet, turbine outlet or both include a vane assembly having a housing and...
6619261 System for controlling an operating condition of an internal combustion engine  
A system for controlling an operating condition of an internal combustion engine includes a control mechanism responsive to a final control command to establish an engine control parameter, and a...
6619040 Internal combustion engine provided with a decompression-type braking device and with a turbocharger having a variable geometry turbine  
An internal combustion engine provided with a decompression-type braking system and with a turbocharger having a variable geometry turbine, in which the effective flow section of the gases entering...
6609372 Method and apparatus for controlling the temperature of an engine  
The present invention includes a method and apparatus for controlling the exhaust temperature of an engine is disclosed. The method includes the steps of sensing the exhaust temperature of the...
6581382 Method and apparatus for controlling a supply system for a combustion engine  
A method for controlling a supercharging device for an internal combustion engine includes controlling a variable (x) using different control characteristics in each of at least four sub-ranges...
6467270 Exhaust gas recirculation air handling system for an internal combustion engine  
A variable geometry turbine and active wastegate are provided in combination along with independent control of the variable geometry turbine and wastegate valve so as to independently control...
6427445 Variable nozzle turbine control strategy  
A variable nozzle turbocharger (12) creates engine boost. Boost is controlled by controlling the position of vanes within turbocharger. A processor develops a control signal (29) for controlling...
6408624 System for controlling transient compressor surge in a turbocharged internal combustion engine  
A system and method are provided for avoiding transient compressor surge in a turbocharged internal combustion engine. The system includes a control circuit responsive to at least one engine...
6327856 Control apparatus and method for premixed compression ignition type internal combustion engines  
A control apparatus for a premixed compression ignition type internal combustion engine having, a fuel injection valve for supplying a fuel into a combustion chamber of the engine, an operational...
6318083 Intake air control device of an engine with a charger and method thereof  
An engine with a charger, in which an intake passage is provided with a throttle valve which is electronically controlled to a target opening degree and the charger on the upstream side of the...
6314737 Internal combustion engine having an activatable boost air delivery capacity adjusting  
An internal combustion engine having one or more parallel exhaust-driven turbochargers that each comprise an activatable delivery capacity adjusting unit for variable adjustment of the boost air...
6295814 Internal-combustion engine with an exhaust gas turbocharger  
An internal-combustion engine with a turbocharger is suggested, in the case of which a limiting of the exhaust gas counterpressure is provided in the braking operating mode of the...
6256992 System and method for controlling a turbocharger to maximize performance of an internal combustion engine  
The present invention relates to a system and method for managing the operation of a turbocharger and is responsible for controlling the turbocharger to cause a desired air mass flow to be provided...
6220232 Load control in an internal combustion engine  
To achieve a very sturdy automatic control of the boost pressure, the integration of system deviation of the boost pressure, which is carried out by an integrator, is limited to a predefinable...
6192867 Method and device for protecting a turbo-supercharger  
In order for the process and the device to function with as small as possible a number of sensors for operating parameters, a program map (20) is provided from which the intake air pressure (AL) of...
6155050 System and method for protecting a turbocharger in the event of a wastegate failure  
An engine control system for protecting a turbocharger of an internal combustion engine from an overspeed condition occurring as a result of a failure of the turbocharger wastegate device. In one...
6055810 Feedback control of direct injected engines by use of a smoke sensor  
A fuel control system for an engine utilizing direct fuel injection including a smoke sensor for measuring the level of smoke in the engine exhaust. A control module, in response to the output...
5791145 Natural gas engine control system  
A control system for an internal combustion engine can include a fuel molecular weight sensor to determine an actual and a desired Excess Air Ratio for an air/fuel mixture supplied to the engine....
5622053 Turbocharged natural gas engine control system  
A control system for an internal combustion engine can include a fuel molecular weight sensor to determine an actual and a desired Excess Air Ratio for an air/fuel mixture supplied to the engine....
5502966 Protection system for a pressure-charged internal combustion engine and method of operation  
A protection system for a pressure-charged (supercharged) combustion engine. In normal operation, the pressure-charging is controlled and/or regulated to a specifiable desired setpoint value P...
5447031 Wastegate failure detection apparatus and method for operating same  
A dynamic wastegate failure detection apparatus for determining wastegate failure levels for individual internal combustion engines is disclosed. The apparatus repeatedly measures and stores intake...
5386698 Control system and method for governing turbocharged internal combustion engines  
A control system and method for governing turbocharged internal combustion engines is disclosed including an electronic control unit, a fuel flow control valve, an engine speed sensor, and a bypass...
5363652 Air/fuel ratio control device of a turbocharged engine  
An engine including a supercharger wherein a waste gate valve is provided in the bypass passage bypassing the exhaust turbine of the supercharger and the supercharged pressure is controlled by the...
5307632 Engine and method for turbo boosted operation of a mechanically assisted turbocharger in a two cycle engine  
A two cycle, preferably diesel, engine has a turbocharger with an exhaust driven turbine and supplemental mechanical drive maintaining a fixed minimum turbine/engine speed ratio with fuel efficient...
5187935 Engine control device  
An engine control system comprising a variable valve actuating mechanism for an engine which may consists of a mechanism capable of varying valve timing, a variable capacity supercharger which may...
5159815 Turbocharged internal combustion engine  
A turbocharger for an internal combustion engine is provided having a turbine section responsive to the engine exhaust gas flow and a compressor section communicating with the engine intake...
4773225 Method and apparatus for the charging-pressure-dependent control of a turbocharger in an internal combustion engine  
A method and apparatus for the load-dependent control of a turbocharger which is arranged in an internal combustion engine, a turbocharger includes an adjustable turbine guide apparatus which is...
4769995 Air-fuel ratio controller for a turbocharged internal combustion engine  
An air-fuel ratio controller for a gaseous-fueled, turbocharged engine having an air manifold, a gas manifold, and a turbine inlet is disclosed herein. The controller includes means for controlling...
4763477 Method of controlling supercharge pressure and apparatus for realizing the same  
A supercharge pressure control apparatus having a plurality of detectors, a control valve for controlling the exhaust gas flow flowing into an exhaust gas turbine, first and second electromagnetic...
4741163 Method and apparatus for controlling supercharge pressure for a turbocharger  
A method and an apparatus for controlling supercharge pressure for a turbocharger in which a target value of supercharge pressure is set up in accordance with the operating conditions of the engine...
4719887 Control arrangement for a fuel injection system  
A control arrangement for a fuel-injected supercharged internal engine and, in particular, a diesel engine, with the control arrangement including a fuel injection pump. A control unit is provided...
4686830 System for control of the supercharging of an internal combustion engine  
An automatic control for an adjustable turbosupercharger in the air supply of an internal combustion engine adds a static anticipatory control signal and a dynamic anticipatory control signal to...
4685435 Safety device for a supercharged internal combustion engine  
A safety device is proposed for an internal combustion engine which is operated with supercharging in combination with both a fuel metering system and a control unit for the instant of ignition....
4633670 Supercharging pressure control device for an exhaust gas turbocharger  
A supercharging pressure control device for an exhaust gas turbocharger comprises a bypass valve control device which effectively controls the supercharging pressure to correspond to the load on an...
4604701 Fail-soft turbocharger control system  
In a turbocharger control system which includes fault testing circuitry which automatically senses and compares engine operating parameters of manifold pressure, exhaust temperature, engine speed,...
4594668 Turbocharger control system  
An electronic control (10) for generating control, diagnostic, and fault signals for a diesel engine (12) with a turbocharger (22) and an injection pump (14). The control (10) provides an injection...
4513571 Method of supercharging internal combustion engines using exhaust turbochargers with variable exhaust gas swallowing capacity  
A method for supercharging internal combustion engines with turbochargers wherein the engine is operated in the lowest load region as a naturally aspirated engine, and the waste gate, the inlet...
4496286 Control system for engine-driven compressor unit and method of operation thereof  
A control system for a compressor unit driven by a clean-burn, turbo-charged, gas-fueled engine which is primarily responsive to the load (torque) and the speed of the engine to adjust certain...
4477875 Control system for exhaust gas-driven supercharger used in vehicle engine  
A system for controlling an exhaust gas-driven supercharger used in an internal combustion engine for an automotive vehicle includes an exhaust gas bypass passage connecting between selected...
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