Matches 1 - 38 out of 38


Match Document Document Title
US20150075267 FUEL TANK PRESSURE SENSOR RATIONALITY TEST FOR A PHEV  
A method for verifying reliable operation of a fuel tank pressure transducer coupled to a fuel tank of a PHEV. The method monitors pressure and fuel level within the fuel tank, employing a fuel...
US20110041594 PRESSURE COMPENSATION UNIT  
A pressure-compensation unit, particularly for a tank-pressure sensor in a tank of a motor vehicle. The pressure-compensation unit includes a housing lid and a gas-permeable filter diaphragm,...
US20080202225 Dynamometer Element  
A dynamometer element including a bolt on which a diaphragm is mounted, the diaphragm being surrounded by a sleeve, to which a force component to be measured is applied perpendicularly to the...
US20090266147 FLOW DIAGNOSIS APPARATUS FOR FUEL VAPOR PURGE SYSTEM  
A pressure sensor senses a pressure of a fuel vapor system at a fuel vapor passage. An electronic control unit executes a post-depressurization period flow diagnosis to determine whether the fuel...
US20120255348 METHOD FOR CHECKING A FUNCTIONALITY OF A RAIL PRESSURE SENSOR  
A method for checking a rail pressure sensor, in which at least two values for the pressure of fuel in a fuel reservoir of an injection system are set on the basis of values for the pressure,...
US20060162705 Method for the activation of a tank venting valve of a motor vehicle during a leak test  
The invention relates to a method for regulating a fuel tank venting valve of a motor vehicle during leak testing of a fuel tank venting system where the fuel tank venting valve is arranged in a...
US20080264156 PROCEDURE FOR DIAGNOSING A FUEL TANK VENTILATION SYSTEM OF A VEHICLE AND DEVICE FOR IMPLEMENTING THE PROCEDURE  
A procedure for diagnosing a tank system of a vehicle with at least two controllable tank ventilation valves, with at least two points of release for a tank ventilation mixture, whereby at least a...
US20090314072 Method and system for detecting a cap off situation on the fuel tank of a vehicle  
Method for detecting a cap off situation on the fuel tank of a combustion engine vehicle having a fill pipe head located under a fuel fill door, according to which a cap off test is run when the...
US20130333455 Method For Monitoring The State Of A Piezoelectric Injector Of A Fuel Injection System  
A method is disclosed for monitoring the state of a piezoelectric injector of the fuel injection system of an internal combustion engine, the piezoelectric injector having a piezoelectric actuator...
US20070079650 Method and apparatus for checking the tightness of a tank system, in particular of a motor vehicle  
A method of and an apparatus for checking the tightness of a tank system of an internal combustion engine of a motor vehicle by means of overpressure or underpressure, in which a first...
US20070199374 Leakage diagnosis apparatus and method for diagnosing purge apparatus for internal combustion engine  
A leakage diagnosis apparatus is applied to a purge apparatus of an internal combustion engine. The purge apparatus includes a canister accommodating an adsorbent for temporarily absorbing fuel...
US20100294030 FUEL SYSTEM DIAGNOSTIC SYSTEMS AND METHODS  
A diagnostic system comprises a monitoring module and a diagnostic module. The monitoring module receives a first rail pressure measured by a high side rail pressure sensor during engine cranking...
US20100332108 FUEL VAPOR PRESSURE MEASURING DEVICE  
A fuel vapor pressure measuring device is provided, in a fuel supplying system, with a fuel tank for containing fuel, a fuel pump for supplying the fuel in the fuel tank to an injector, a fuel...
US20110088447 DIAGNOSTIC METHOD AND APPARATUS FOR THERMAL REGENERATOR AFTER-TREATMENT DEVICE  
A method and apparatus for identifying a component failure within a thermal regenerator operates as follows. The burner control unit monitors at least one of a fuel pump characteristic for a fuel...
US20120090391 DIAGNOSIS APPARATUS FOR LEAKAGE MECHANISM IN INTERNAL COMBUSTION ENGINE  
After an engine stop duration exceeds a predetermined time period (that is, if a decision outcome of S100 is positive), diagnosis of a leakage mechanism, which is a relief valve, for diagnosing...
US20100269575 DIAGNOSTIC SYSTEMS AND METHODS FOR VARIABLE LIFT MECHANISMS OF ENGINE SYSTEMS HAVING A CAMSHAFT DRIVEN FUEL PUMP  
A lift mechanism diagnostic system comprises a fuel pump disabling module, a pressure module, and a diagnostic module. The fuel pump disabling module selectively disables a fuel pump that is...
US20140224218 SYSTEM AND METHOD FOR ADAPTING TO A VARIABLE FUEL DELIVERY CUTOUT DELAY IN A FUEL SYSTEM OF AN INTERNAL COMBUSTION ENGINE  
A system and method for is provided to determine a fuel flow cutout delay between transmitting a signal to stop a fuel flow to a fuel accumulator of a fuel system and the actual stop of fuel flow...
US20120247193 ELECTRONIC COMPONENT DEVICE PROVIDED WITH COUNTERMEASURE FOR ELECTRICAL NOISE  
The electronic component device includes an electronic component such as a pressure sensor for detecting pressure of fuel injected into an internal combustion engine, an insulating member made of...
US20080209992 PRESSURE SENSOR AND PRESSURE CONTROL SYSTEM  
A pressure sensor comprises a reference voltage generating part which generates a predetermined voltage as a reference and a sensing part which senses the pressure of the detection object and...
US20090199627 Device and Method for Monitoring a Fuel Metering System  
A method and device for monitoring a fuel metering system, in which fuel is pumped from a low-pressure zone into a high-pressure zone. The pressure in the high-pressure zone is detected. An error...
US20090205413 DIAGNOSTIC APPARATUS FOR HIGH-PRESSURE FUEL SUPPLY SYSTEM  
A diagnostic apparatus is combined with a high-pressure fuel supply system including a high-pressure fuel pump, a fuel rail, injectors, and a fuel pressure measuring unit for measuring fuel...
US20110016958 DIAGNOSTIC SYSTEM FOR VALVE ACTUATION CAMSHAFT DRIVEN COMPONENT COMPENSATION  
A diagnostic system and method for operating the same includes a pressure monitoring module generating a diagnostic pressure signal and a camshaft driven engine component correction module...
US20100132435 DETERMINATION OF FUEL CHARACTERISTICS AND THEIR INFLUENCE ON EXHAUST GAS EMISSIONS DURING OPERATION OF AN INTERNAL COMBUSTION ENGINE  
A method for determining a deviation of a fuel quality from a reference quality and for determining a change in exhaust gas emissions caused by this deviation by evaluating pressure waves in a...
US20100229638 FUEL PROPERTY DETECTION DEVICE  
In a fuel property detection device, a fuel housing is made of a thin-plate metal member that can be elastically-deformed by a fuel pressure in a fuel chamber. Thus, if the fuel pressure in the...
US20100274462 DIAGNOSTIC SYSTEMS AND METHODS FOR A PRESSURE SENSOR DURING DRIVING CONDITIONS  
A diagnostic system includes a fuel pump module and a diagnostic control module. The fuel pump module activates a first pump when an engine is operating in a diagnostic mode. The first pump...
US20100011849 Method of Determining Ambient Pressure for Fuel Injection  
A method of controlling a motor vehicle is disclosed. The method can be used to determine an ambient pressure value without the use of an ambient pressure sensor. The ambient pressure value can be...
US20100275679 FUEL PRESSURE SENSOR PERFORMANCE DIAGNOSTIC SYSTEMS AND METHODS BASED ON HYDROSTATICS IN A FUEL SYSTEM  
An engine control system comprises a model pressure determination module and a sensor diagnostic module. The model pressure determination module determines a modeled fuel rail pressure based on a...
US20070157904 Device for monitoring the fuel pressure in the fuel supply circuit for an internal combustion engine with fuel injection  
A device for monitoring the fuel pressure in the fuel feed circuit (7) of a fuel injection internal combustion engine (2), which includes at least one cylinder (2) and one exhaust line (6) for the...
US20090049898 DIAGNOSTIC SYSTEMS AND METHODS FOR THE HIGH PRESSURE SIDE OF FUEL SYSTEMS IN COMMON FUEL RAIL ENGINES  
A fuel system diagnostic module comprises a pressure module and a fault diagnostic module. The pressure module determines first and second pressures of a fuel rail of a fuel system at first and...
US20090007647 Method for a plausibility check of the output signal of a rail pressure sensor  
A method for checking the output signal of a rail pressure sensor of a direct-injecting internal combustion engine having a common rail system for plausibility, including the following steps: the...
US20080228374 FUEL INJECTION DEVICE AND ADJUSTMENT METHOD THEREOF  
A fuel injection device (fuel supply system) of a common rail type fuel injection system for an engine includes a pressure sensor disposed in a fuel inlet of an injector for measuring a fuel...
US20140224220 PROCESSING SYSTEM AND METHOD FOR CALCULATING PRESSURE DECREASES DUE TO INJECTION EVENTS IN A HIGH-PRESSURE FUEL SYSTEM  
A system and method is provided to analyze an intermediate pressure signal portion between an end of an injection event signal portion and a start of a subsequent injection event signal portion....
US20090283068 FUEL FILTER ASSEMBLY WITH PRESSURE SENDING UNIT  
A fuel filter assembly having a pressure sending unit for filtering and monitoring fuel and fuel pressure for diesel engines and the like comprising a filter head, a spin-on element and collection...
US20090019926 Method for operating a fuel-injection system, in particular of an internal combustion engine  
A method for operating a fuel-injection system, in particular of an internal combustion engine, in which fuel stored inside a pressure reservoir is injected by at least one fuel injector. At least...
US20090241901 IN-LINE ELECTRO-MECHANICAL MODULATING DEVICE TO MODULATE FUEL FLOW IN FUEL RAILS TO REDUCE NOISE  
Systems and methods for modulating fuel flow of a fuel delivery system including direct injection fuel injectors of an engine to mitigate engine noise are provided. An example of such systems may...
US20090063013 FUEL INJECTION CHARACTERISTIC SENSING DEVICE AND FUEL INJECTION COMMAND CORRECTING DEVICE  
A fuel injection characteristic sensing device obtains an injection characteristic of a target injector (an injector of each cylinder of a multi-cylinder engine) at each time. The device has a...
US20160082832 SYSTEM AND METHODS FOR DETERMINING FUEL FILL LEVEL  
A method, comprising indicating an amount of a residual fuel in a fuel tank based on an initial rate of change of a fuel tank pressure during a refueling event. The initial rate of change of fuel...
US20160061136 DEVICE FOR DETECTING THAT FUEL SHUT-OFF VALVE IS STUCK CLOSED  
Disclosed is a device for detecting any fixed closure of a fuel shut-off valve 7 which opens/closes a feed line 5 for feed of fuel 3 to a fuel addition valve 6. The device is provided with a...

Matches 1 - 38 out of 38