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WO/2010/086435A1 |
The invention relates to a method for measuring the soot load in the exhaust gas systems of diesel engines using a sensor which is mounted downstream of a particulate filter and comprises a sensor element, to measure the operability of t...
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WO/2010/081983A1 |
The invention relates to a method and a system for monitoring vibratory phenomena occurring in an aircraft's gas turbine engine in operation. The method consists in establishing (E30) a frequency spectrum of a vibratory signal representa...
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WO/2010/081607A1 |
The invention relates to a method for performing a number of injections for at least one cylinder of an internal combustion engine, wherein an assigned point in time (18) for starting actuation of an injection is determined for the at le...
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WO/2010/066163A1 |
A wind turbine yaw testing mechanism (100) comprises: a cabinet support (107), whose upper end is fixed in a cabinet of the wind turbine, and lower end is mounted on a yaw base (108); a tower drum tool (104), which is connected with a to...
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WO/2010/067806A1 |
A system for controlling the soundness of diesel engine fuel is provided with a density measuring instrument (11) for measuring the density of fuel (F) in a diesel engine (D/E) in real time, an MCR measuring instrument (12) for measuring...
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WO/2010/065963A2 |
According to one embodiment, an apparatus for estimating an NOx conversion efficiency of an SCR catalyst includes a catalyst degradation module (304) for determining an SCR catalyst degradation factor and a NOx concentration module (308)...
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WO/2010/059462A2 |
A sensor (100) to detect particulate matter. The sensor (100) includes a first rigid tube (102), a second rigid tube (104), a detection surface electrode (106), and a bias surface electrode (108). The second rigid tube (104) is mounted s...
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WO/2010/048196A2 |
Testing of engine particulate matter production during a transient is made more accurate by selecting an appropriate sized opening for a test probe of the sampling system located in the exhaust line (58) upstream from a particulate trap....
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WO/2010/040677A1 |
The invention relates to a method for introducing fuel into a combustion chamber (15) of an internal combustion engine, wherein fuel is injected directly into the combustion chamber (15) in varying dosages by means of a first injection v...
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WO/2010/035634A1 |
Provided is a frequency component analyzer which analyzes the frequency component in the detected value of the operating parameter of an internal combustion engine in synchronization with the rotation of the internal combustion engine. ...
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WO/2010/037019A1 |
Exemplary embodiments of the present invention relate monitoring particulate matter within an exhaust gas stream. In one exemplary embodiment, a particulate matter sensor for an exhaust system of an engine is provided. The sensor include...
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WO/2010/026086A1 |
The invention relates to a device for the model-based development of an internal combustion engine (2), wherein sub models are assigned to subsystems, and wherein the device has at least one virtual engine test bench (11) for the simulat...
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WO/2010/018721A1 |
Disclosed is a method of detecting the treatment pressure of an autofrettage treatment device for performing an autofrettage treatment by applying a high-pressure treatment pressure into a high-pressure fuel pipe for a diesel engine, whe...
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WO/2010/013773A1 |
Output (torque) characteristics of each cylinder are estimated by a simple structure. A device for measuring torque of an engine is provided with a torque detecting section (4) for detecting, as a signal, output torque of the engine hav...
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WO/2010/010018A1 |
A testing apparatus for turbochargers comprises a combustion chamber (3) with a burner insert (3a), said burner insert (3a) able to be connected to a fuel source, a hot gas line (8a) issuing from said combustion chamber (3) to the turboc...
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WO/2010/008939A1 |
A compression tester adapter assembly is provided for use with both 12 millimeter and 16 millimeter spark plug sockets in an internal combustion engine cylinder head. An adapter has a leading cylindrical portion including one set of exte...
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WO/2010/004870A1 |
Provided is an engine bench system for measuring the various characteristics of an engine (1) by coupling a dynamometer (4) through a shaft (3) to the engine (1). The engine bench system determines a dynamometer torque command (T2ref) f...
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WO/2009/156209A1 |
The invention relates to a pressure sensor assembly (10) comprising a pressure pipe (1), in which a membrane (2) is arranged as a pressure sensor, and comprising means (3) for detecting the membrane deformations, said pressure sensor ass...
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WO/2009/157436A1 |
A device and a method for monitoring sliding conditions of a piston ring detect the cycle of rotation of the piston ring based on the temperature of a specific portion of a cylinder liner and determine a sign of seizure of a piston based...
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WO/2009/155944A1 |
The invention relates to a measuring apparatus for measuring the reaction forces between a piston (4) and a cylinder line (3) of a reciprocating piston internal combustion engine, comprising a cylinder carrier (1), a cylinder liner (3), ...
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WO/2009/138617A2 |
The invention relates to a test device for the propulsion unit of an automobile, including a casing (2) having a space corresponding to that of the propulsion unit and intended for receiving a propulsion unit (1), including an air inlet ...
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WO/2009/133017A1 |
The invention relates to a method for monitoring the efficiency (η pol n) of a compressor (1), in which a mass flow, an entry pressure (Pe n), an exit pressure (Pa n), an entry temperature (Te n), an exit temperature (Ta n) of the proce...
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WO/2009/132965A1 |
The invention relates to a method for determining an offset angle of an electric machine comprising a stator, a rotor, and a shaft connected to the rotor. According to the invention, the shaft is provided in a substantially unloaded stat...
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WO/2009/133123A1 |
The invention relates to a method and a device for recognizing a state of a noise-generating object (2) to be studied, wherein a statistical basic classification model of acoustic features, which is generated for at least one reference o...
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WO/2009/121134A1 |
A diagnostic apparatus for the simultaneous analysis of both positive and negative voltages as well as electrical pulses within an engine management system, said diagnostic apparatus including; a main housing box to which therein is an e...
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WO/2009/119263A1 |
A vehicle velocity control device includes: a vehicle sensitivity calculation unit (18) which calculates a reciprocal of vehicle sensitivity in accordance with a drive force characteristic map; and a vehicle velocity feedback unit (22) w...
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WO/2009/115682A2 |
The invention relates to a method and a device for measuring the opacity level of exhaust gases from a diesel engine, wherein the method comprises using an opacimeter for collecting the exhaust gases, emitting a light beam through the co...
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WO/2009/116410A1 |
Provided is a knocking detector of an internal combustion engine which can correctly judge whether knocking occurs or not based on the frequency components of an output signal of a knock sensor. Frequency component analysis is performed ...
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WO/2009/116303A1 |
In a combustion state judgment method, current is detected that, when the discharge of a spark plug is completed, is induced on the secondary side of an ignition coil as a result of the LC resonance between the secondary side of the igni...
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WO/2009/109421A1 |
The invention relates to a method for distinguishing an erroneously expected concentration from an erroneously detected concentration of an exhaust gas component of an internal combustion engine (10), an actual concentration being adjust...
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WO/2009/107598A1 |
A fuel vapor pressure measuring device capable of accurately calculating the pressure of fuel vapor without being influenced from the outside. A fuel vapor pressure measuring device is provided, in a fuel supplying system (10), with a fu...
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WO/2009/107688A1 |
A method for analyzing the torsional vibration of a power transmission system by calculating the absolute damping coefficient of a cylinder portion and the relative damping coefficient between cylinders corresponding to a real engine and...
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WO/2009/102267A1 |
The invention relates to method for adapting an air mass flow sensor of a motor vehicle motor arrangement, said method characterized by the steps of: -controlling air mass flow sensed by said air mass flow sensor for producing at least o...
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WO/2009/094627A1 |
A system and method for ultrasonic inspection of a gas turbine disc bore. In a preferred embodiment an ultrasonic inspection fixture is used to position a probe assembly at a central location within the disc bore. The probe assembly comp...
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WO/2009/093296A1 |
Structured with a rotational fluctuation measuring section 51 measuring a rotational fluctuation amount DTdi, a misfire judging section 55 judging a misfire by comparing the rotational fluctuation amount with a judging threshold value, a...
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WO/2009/092880A2 |
Method for extracting useful information for testing an internal combustion engine on the basis of graphic signatures. A carrier signal containing at least one information item relating to engine operation is acquired. Next, for each eng...
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WO/2009/085588A1 |
A balancing system and method for reducing imbalance in a rotatable member of a machine is provided. The system includes a plurality of vibration sensors positioned about a stationary portion of the machine, a controller assembly communi...
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WO/2009/074011A1 |
A method for measuring a shafting mechanical fatigue of a turbine generator set, which involves determining a lumped mass model of a turbine generator set and its parameters; calculating a model frequency and a mode shape of the turbine ...
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WO/2009/067787A1 |
The method comprises operating a calibration engine, and collecting combustion characteristic data and reference accelerometer signals, which are correlated with each other and stored in a calibration table. The calibration table can be ...
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WO/2009/069503A1 |
Provided is an engine bench system including a test engine (1) coupled to a dynamo meter (2) by a coupling shaft (3) so as to execute axis torque control on the dynamo meter. A controller (5) is formed by an integration element having an...
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WO/2009/070301A2 |
The present invention is designed to measure air mass flow for fuel injection applications, by utilizing a digital signal processor as part of the air measuring device's circuitry so that calibration tables associated with various engine...
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WO/2009/067804A1 |
The method comprises operating an engine and collecting a real-time accelerometer signal from an accelerometer sensor. The real-time accelerometer signal is digitized and filtered to isolate data in a frequency range associated with comb...
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WO/2009/063118A1 |
The invention relates to a device for the diagnosis of flanges in tri-phase motors. More specifically, the invention relates to a device comprising means for the inductive aquisition of currents in a common mode for the simple and practi...
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WO/2009/061586A2 |
An apparatus for measuring combustion properties within a measurement area comprises an elongate housing having a housing wall, the elongate housing having a distal end. A transmitting and receiving optic pair resides within the distal e...
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WO/2009/061912A2 |
The present invention includes a method and system using dynamic pressure measurements for determining a presence, location, and size of a leak in a chamber of a body. The method includes sealing a plurality of ports of the chamber, pres...
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WO/2009/056709A2 |
The invention relates to a device for the centralized management of measurements and data relating to liquid and/or gas flows needed for the correct operation of a combustion engine controlled by an engine computer and/or of a vehicle, t...
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WO/2009/050053A1 |
In order to be able to perform highly dynamic tests using high alternating loads on test fixtures for vehicles or vehicle components, a torsionally stiff, compact shaft-hub connection transmitting high torques is required between the dyn...
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WO/2009/048519A2 |
A misfire detection system and method for onboard diagnosis of engine performance detects an engine speed as a function of a rotational angle of the crankshaft, and determines crankshaft acceleration as a function of this angle based on ...
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WO/2009/044238A1 |
System for detecting the polluting emissions of road vehicles or the like, comprising an electronic appliance installable on at least one vehicle and suitable for collecting data relating to the use of the vehicle, and at least one remot...
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WO/2008/088800A9 |
A test apparatus (10) for an evaporative emission system includes a source of pressure (26) (positive or negative), a sensor (32) for sensing the pressure generated in the evaporative emission system, and an ECU (14) which controls the o...
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