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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... |
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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,... |
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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... |
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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... |
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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,... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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.... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |