Matches 1 - 50 out of 162 1 2 3 4 >
Match Document Document Title
6874488 Exhaust gas deflector valve  
A gas deflector valve is incorporated with an engine cooling system, and located before an inlet to a heat exchanger used to cool hot gas from the engine as part of an EGR system. The gas diverter...
6848418 External exhaust gas recirculation on board diagnostic using EGR effect on a combination of engine operating parameters  
A system is described for determining degradation of an exhaust gas recirculation system of an internal combustion engine. This method utilizes a combination of parameters to accurately determine...
6647971 Integrated EGR valve and cooler  
An exhaust gas recirculation (EGR) cooling system includes a valve and a cooler. A motor opens the valve allowing hot fluid exhaust gas to flow into the valve. Cooling fluid continuously flows in...
6505614 Connection formed by engagement of a tube and a valve surface  
A connection provides a fluid tight communication between a valve and a tube. The valve includes a first surface, a second surface, and an aperture extending through the valve between the first and...
6502564 Exhaust gas recirculation system module  
An exhaust gas recirculation (EGR) system module is provided that integrally includes an electric vacuum regulator (EVR) valve and a differential pressure (DP) sensor. The DP sensor measures a...
6470866 Diesel engine exhaust gas recirculation (EGR) system and method  
Apparatus for and method of exhaust gas recirculation in an internal combustion engine that operates with charge air boost. An EGR valve has an inlet port communicated to the engine exhaust system...
6460523 EGR system for an internal combustion engine  
An exhaust gas recirculation (EGR) system is provided having an electric vacuum regulator (EVR) valve mounted contiguously with a delta pressure feedback exhaust (DPFE) sensor to form an integral...
6431158 Exhaust gas flow measurment device  
An internal combustion engine exhaust emission control system has a module for conveying exhaust gas from an engine exhaust system to an engine intake system. A valve selectively restricts the flow...
6430929 Turbocharger with integrated exhaust gas recirculation valve  
An Exhaust Gas Recirulation (EGR) valve is integrated onto a turbocharger by providing an EGR outlet in a flange in the volute of the turbine housing and a mating valve assembly extending from a...
6378507 Exhaust gas recirculation valve having an angled seat  
A method of recirculating exhaust gas flow from an exhaust port to an intake port of an internal combustion engine, and an emission control valve assembly that regulates recirculating the exhaust...
6253749 Valve and valve control method  
A vacuum actuated valve uses a specially designed spring having a spring rate as a function of valve position. The spring rate function is determined using physical relationships between flow,...
6248041 Engine control system linked to vehicles controls  
A linkage between an engine control (114) and vehicle controls, such as a transmission gear selector (100) and/or axle speed selector when the vehicle has a two-speed axle, providing input to the...
6230694 Calibration and testing of an automotive emission control module  
An automotive emission control module has an emission control valve containing a main flow passage having a valve member that controls fluid flow through the flow passage. An internal pressure...
6189520 Integration of sensor, actuator, and regulator valve in an emission control module  
An EGR module has a valve containing a main flow passage having a valve member that controls exhaust gas flow through the passage. An internal pressure sensing passage communicates pressure at one...
6170476 Internal sensing passage in an exhaust gas recirculation module  
An electric EGR module has a main flow passage containing a valve member operated by a movable actuator wall of a fluid pressure actuator to control exhaust gas flow through the passage. The...
6168134 Exhaust gas recirculation valve with variable flow area  
A flow control valve having a controllable flow area which varies with the valve displacement. The flow control valve includes a poppet-type valve element mounted to reciprocate between a closed...
6138652 Method of making an automotive emission control module having fluid-power-operated actuator, fluid pressure regulator valve, and sensor  
An EGR module has an emission control valve body containing a main flow passage having a valve member that controls exhaust gas flow through the passage. An internal pressure sensing passage...
6116224 Automotive vehicle having a novel exhaust gas recirculation module  
In an automotive vehicle powered by an internal combustion engine, an EGR flow path includes an exhaust emission control valve between an exhaust system of the engine and an intake system of the...
6026791 Exhaust gas recirculation valve with integral feedback proportional to volumetric flow  
A control valve for an EGR system employs a variable pressure actuator connected to a valve for metering EGR flow and a differential pressure valve connected to supply actuation pressure to the...
6014961 Internal combustion engine intake sensing system  
A pressure sensing system for an internal combustion engine including an intake manifold (20) and an exhaust manifold (24), with an EGR valve assembly (30) mounted thereto. A sensor housing (60)...
5988149 Pressure sensing system for an internal combustion engine  
An internal combustion engine including a pressure sensing system. A first (80) and a second (82) absolute pressure sensor are located in a main sensor housing (60) mounted near an intake manifold...
5970961 Valve control method  
A valve control method for controlling a closed valve position of an exhaust gas recirculation valve for an internal combustion engine includes a feedback correction loop generating a feedback...
5950604 Engine, engine manufacturing method and engine heat  
A heat blocking member is fixed to a part of an engine in order to protect a signal wire or the like situated nearby from heat generated by the exhaust recirculation device. The exhaust...
5722632 Temperature-compensated exhaust gas recirculation system  
An exhaust gas recirculation (EGR) system (10) includes a proportional solenoid valve (28) that regulates vacuum pressure to a vacuum-actuated EGR valve (12). The proportional solenoid valve (28)...
5617833 Apparatus and method for diagnosing exhaust recirculation system in internal combustion engine  
In apparatus and method for diagnosing an EGR (Exhaust Gas Recirculation) system in an internal combustion engine, a combustion time duration (MT) in one combustion stroke is measured, the...
5613479 Pressure feedback exhaust gas recirculation system  
A pressure feedback EGR system including an EGR tube having a metering orifice therein and extending between an exhaust passageway and an intake passageway of the internal combustion engine, a...
5551408 Exhaust gas recirculation control system for internal combustion engines  
An exhaust gas recirculation control system for an internal combustion engine includes an exhaust gas recirculation passage extending between the intake system of the engine and the exhaust system...
5520159 Burned gas recycling system with powertrain optimization  
A powertrain controller controls the burned gas recycling rate of an engine as a function of a desired burned gas recycling rate and an actual burned gas recycling rate. The powertrain controller...
5515833 Exhaust gas recirculation system with improved altitude compensation  
An internal combustion engine includes an exhaust gas recirculation (EGR) mechanism for transporting a controlled amount of exhaust gas generated by the engine from the exhaust manifold to an...
5507262 Control apparatus for internal combustion engine with exhaust gas recirculaton  
In a mechanical type EGR apparatus, an EGR valve receives a negative pressure near a throttle valve and opens/closes an EGR path in response to the negative pressure. An EGR-VM is operated in...
5379744 Method and apparatus for controlling the amount of exhaust gas recycled in an internal combustion engine  
An apparatus for controlling the amount of exhaust gas recycled has a pneumatic valve 7, coupled to a pressure chamber 12 which is connected, on the one hand, over a pipeline 14 with the intake...
5337790 Assembly for controlling an exhaust gas recirculation valve for an internal combustion engine  
An assembly for controlling an exhaust gas recirculation valve for an internal combustion engine, including a vacuum regulator with an inlet adapted to be connected to a vacuum source, and a...
5329912 Induction system for an internal combustion engine  
A number of embodiments of inductions and fuel injection systems for internal combustion engines that improve exhaust emission control and fuel economy without adversely effecting the running of...
5279273 EGR apparatus for an internal combustion engine  
An EGR apparatus includes an EGR conduit, an EGR valve, a first passage connecting a portion of an intake conduit downstream of a throttle valve and the EGR valve, and a second passage connecting a...
5241940 Automotive EGR system  
An automotive exhaust gas recirculating (EGR) system contains a pressure sensor responsive to the changes in exhaust manifold gas pressure to control the movement of an EGR valve. A water vapor/ice...
5209212 Exhaust-gas recirculation system for an internal combustion engine  
An exhaust-gas recirculation system includes means for diagnosing the system based upon temperature values measured in the exhaust-gas return duct when certain conditions exist. A differential...
5203313 EGR venturi coupler  
An engine exhaust gas recirculation system with a venturi with pressure taps on both sides for indicating and controlling the rate of flow of recirculated exhaust gas. Through an electronic control...
5193513 Misfire detection in an internal combustion engine using exhaust pressure  
Misfiring of individual cylinders in an internal combustion engine is detected based on sensing exhaust pressure during each operating cycle of the engine. A pressure signal is sampled and...
5188086 Exhaust gas recirculation coupler and differential venturi  
An adjustable recirculation exhaust gas pressure differential venturi and coupler adapted to be coupled between an exhaust and an intake of an automotive-type engine and which receives exhaust...
5168839 Engine induction system  
An engine induction system includes intake passages connected to inlet ports of an engine, an injector provided in the intake passage for injecting fuel in an intake plenum between the injector and...
5152273 Exhaust gas recirculation control device and its failure diagnosis device  
An exhaust gas recirculation control device adapted to control a recirculation of part of exhaust gas of an internal combustion engine back to the engine which comprises a recirculation pipe for...
5060618 Method and apparatus for controlling torque variations in an internal combustion engine  
In an internal combustion engine, a vibration period and a vibration amplitude are measured and the detected vibration period is compared with a natural vibration period prestored in accordance...
4898143 Exhaust gas recirculation control method for internal combustion engines  
An exhaust gas circulation control method for an internal combustion engine in which an exhaust gas recirculating valve is arranged across an exhaust gas recirculating passage extending between the...
4790286 EGR control device for internal combustion engine  
An EGR device for an IC engine is disclosed which comprises an EGR control valve installed in an EGR passageway communicating with an exhaust system and an intake system of an internal combustion...
4782810 Fuel injection system for internal combustion engine  
A fuel injection system for an internal combustion engine having the normal crankshaft and plurality of cylinders each with an intake passage and an exhaust passage. An intake stroke detector is...
4770148 Method of controlling operation of internal combustion engines in dependence upon intake air temperature  
A temperature of an internal combustion engine is sensed when the engine is started and elapsed time from engine start is also sensed. Engine intake air temperature is estimated on the basis of the...
4750466 Exhaust gas recirculation method for internal combustion engines for automotive vehicles  
An exhaust gas recirculation method which controls the valve opening of an exhaust gas recirculating valve to values appropriate to operating conditions of an automotive vehicle and an internal...
4736728 Exhaust gas recirculating system  
An exhaust gas recirculating system provided with exhaust gas recirculation interrupting means which operates to make the exhaust gas recirculation control valve interrupt recirculation of the...
4727849 Exhaust gas recirculation control system for an internal combustion engine  
An exhaust gas recirculation control system for an internal combustion engine comprises an exhaust gas recirculation control valve for controlling a recirculation rate for exhaust gas to be mixed...
4719894 Exhaust gas reflux apparatus  
An exhaust gas reflux apparatus for an internal combustion engine. This apparatus comprises an EGR regulating valve to control the amount of exhaust gas which is refluxed into an intake system of...
Matches 1 - 50 out of 162 1 2 3 4 >