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WO/2011/137084A2 |
The present invention relates to a method for balancing an exhaust-gas turbocharger, having the following method steps: installing the exhaust-gas turbocharger in a balancing test stand; driving the exhaust-gas turbocharger by loading th...
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WO/2011/129294A1 |
The air necessary to measure exhaust gas composition is supplied to an exhaust sensor without using a device that generates positive pressure. In a structure in which an exhaust sensor that measures exhaust gas composition and that needs...
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WO/2011/129295A1 |
The retention of exhaust gas in the inner parts of a sensor body is curbed by generating an appropriate pressure difference between a gas inlet and a gas outlet formed on the body of the sensor. The exhaust sensor (10), which measures ex...
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WO/2011/117115A1 |
In the course of a method for automatically operating a measuring device for measuring particles in gases, in particular for measuring carbon black particles in the exhaust gas of internal combustion engines, particle-related variables a...
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WO/2011/116200A1 |
A method for predicting and correcting an impending misfire in a homogeneous charge compression ignition (HCCI) engine includes: modeling HCCI engine operation in a nominal, steady-state operating region and in unstable operating regions...
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WO/2011/112702A2 |
A process, system, and component configuration are described that discourages customer acceptance/use of will-fit, reconditioned, and counterfeit product components, by determining whether or not a serviceable product component is genuin...
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WO/2011/104043A1 |
A device (1) according to the invention for measuring a particle concentration in motor vehicle exhaust gases comprises a measurement chamber (26) which can be filled with a gas-particle mixture to be measured, at least one light source ...
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WO/2011/104425A1 |
Apparatus for monitoring particles in a channel or a space comprising means for switching the apparatus flow on at a set temperature. Method for monitoring particles with an apparatus into which at least part of the particles in the chan...
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WO/2011/104426A1 |
Apparatus (1) for monitoring fine particle concentration in an exhaust system (4) of a combustion engine, where the apparatus comprises a housing (2), including a part (3) extending into the exhaust system (4) of a combustion engine; mea...
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WO/2011/104465A2 |
The invention relates to a test bench for a reaction engine (16) comprising a fuel line (24) having a divergent (26). The bench comprises means for holding the divergent in position, wherein said means are capable of holding the divergen...
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WO/2011/101096A1 |
The invention relates to a method which is used to operate a hydraulic or pneumatic system. The system has at least one pressure accumulator. The system comprises at least one valve device, and a sensor for at least indirectly detecting ...
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WO/2011/095394A1 |
The invention relates to a device (10) for testing a drive motor (1) wherein a drive element (2) of the drive motor (1) is arranged in operative connection with an input element (16) of a testing apparatus (11), wherein the connection be...
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WO/2011/093446A1 |
The reliability and accuracy of quality determination is improved in the quality determination of fuel such as diesel fuel. The values of the ignition delay and flame spread rate of fuel to be determined are measured, the quality of the ...
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WO/2011/092042A1 |
The invention relates to a process for selecting a method for determining the injection time of individual injection processes of a fuel injector (2), which can be supplied with pressurized fuel via a feed line (4), comprising the follow...
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WO/2011/089365A2 |
The invention relates to a method for measuring a modulated pseudo-siren generated in a narrow range of frequencies by a rotating member rotated by an internal combustion engine, characterised in that said method comprises: measuring a b...
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WO/2011/088328A1 |
A diagnostic test is conducted by operating an engine-generator set at a plurality of reduced speeds. At each of those speeds, operating parameters of the engine are sensed and analyzed to detect an unsatisfactory operating condition. Fo...
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WO/2011/080466A1 |
The invention relates to a clamp (10) which is used mainly in a vibroacoustic diagnosis tool during an automobile maintenance or after-sales assistance operation, including two hinged arms (11, 12), each comprising a jaw (13, 14) at one ...
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WO/2011/079269A2 |
A gas sampling device includes an analysis block defining a first portion of a chamber and a dilution block defining a second portion of the chamber. The sampling device includes an exhaust gas orifice at the first portion for withdrawin...
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WO/2011/073175A1 |
The present invention is related to a diagnostic method for a Diesel engine for determining whether said engine is affected by one or several malfunctions negatively impacting the degree of pollution of the exhaust gases produced by said...
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WO/2011/075582A1 |
A method includes raising a temperature of an SCR catalyst for a predetermined time period while dosing urea. The method further includes maintaining the temperature of the SCR catalyst without dosing urea for a second predetermined time...
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WO/2011/068427A1 |
The invention relates to a machine for examination of heart of turbo compressor, in which in housing (P) is placed working board (10) and on it, by springs (91), oscillation board (9) on which by tool (8) is fixed heart (34) of turbo com...
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WO/2011/066868A1 |
Method for determining the optical measurement path length in a duct gas monitoring system In a duct gas monitoring system which is adapted to measure the concentration of a gas component of the duct gas (2) from its wavelength-specific ...
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WO/2011/057359A1 |
There is provided methods, software codes and devices for determining an emission flow rate (5) of one or more CO2 equivalent gases from an exhaust system of an internal combustion engine of a vehicle and a method of determining a vehicl...
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WO/2011/054272A1 |
An optical engine cooling method and device include: a transparent cylinder sleeve (2), a lengthened piston located in the transparent cylinder sleeve (2), and two graphite cooling blocks (6) assembled under the transparent cylinder slee...
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WO/2011/054411A1 |
The invention relates to a cylinder pressure sensor, comprising a housing (2) for clamping into a cylinder head. The housing carries a sensor element (4) at a front end. According to the invention, the cylinder pressure sensor (1) has a ...
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WO/2011/052139A1 |
Accuracy and stability of fuel property detection are improved when using a method of detecting the properties of the fuel inside a fuel line. The disclosed device has a sub-tank (7) provided inside a fuel line connecting a fuel tank (4)...
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WO/2011/048065A1 |
The invention relates to a method for the ground control of the proper operation of an aeronautical turbine engine for a plane. Accordingly, the test comprises carrying out, on the operating turbine engine and from a predetermined speed,...
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WO/2011/040589A1 |
A plug (102) for observation is provided with a spark plug body (50), an objective optical system (10), and a light guide path group (16). The spark plug body (50) ignites gas located in a combustion chamber by means of electrical discha...
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WO/2011/038994A1 |
The invention relates to a method for recognizing misfiring of at least one cylinder of an internal combustion engine, having: - a sensor device (100) for generating a speed signal SD representing the current, in particular averaged, spe...
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WO/2011/032776A1 |
The invention relates to a combustion chamber window for transmitting light into or from a combustion chamber (14) of an internal combustion engine (109), for example for use in a laser spark plug (11) that is highly resistant against dirt.
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WO/2011/011868A1 |
The disclosed method comprises steps for reconstructing in-cylinder pressure data from a vibration signal collected from a vibration sensor mounted on an engine component where it can generate a signal with a high signal-to-noise ratio, ...
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WO/2011/012068A1 |
A coolant temperature controlling system for engine performance test is disclosed, the system includes coolant internal circulatory system, heat exchanging device, temperature monitoring and controlling device, and coolant external circu...
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WO/2011/011378A1 |
A multi-sensing fuel injection system for internal combustion engines. The system includes a fuel injector for injecting fuel into the internal combustion chamber. The fuel injector is electrically insulated from an engine body of the in...
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WO/2011/003720A1 |
The invention relates to a measuring device for measuring the exhaust gas of motor vehicles, enabling a combined measurement of the exhaust gas clouding, the particle concentration, and the amounts of CO, CO2, HC, O2, NO, NO2, NOx and NH...
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WO/2010/142366A1 |
The invention relates to a test bench comprising a load device (2) and a blower device (9) for cooling the load device (2). By using one or more temperature sensors (15 through 19), it is possible to capture the temperature in or at the ...
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WO/2010/141412A2 |
A compression sensor gasket assembly and method of construction thereof is provided. The compression sensor gasket assembly includes a gasket body having opposite sealing surfaces extending between an outer periphery and an inner periphe...
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WO/2010/135006A2 |
An instrument detects an amount of a component of a sample gas by passing an excitation light through the sample gas at atmospheric pressure to produce fluorescence light from the component. The fluorescence light is discriminated using ...
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WO/2010/132702A2 |
An apparatus for characterizing emissions includes an emissions analyzer for estimating a concentration of a selected emission of the emission, a flow rate analyzer for estimating a volumetric flow rate of the emission and a processor in...
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WO/2010/129073A1 |
A method of measuring the combustion property in a measurement volume within a chamber defined in part by a chamber wall. The method includes providing a port in the chamber wall. Also provided is a fiber assembly comprising a single mod...
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WO/2010/122052A1 |
The invention relates to a sealing head (22) for an installation for carrying out fluid tests on a part (2) of a turbine engine of an aircraft, said head comprising a sealing element (26) penetrated by a passage (34) for the circulation ...
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WO/2010/111747A1 |
This invention concerns the detection and prevention of failures in diesel engines; particularly fires in diesel locomotive engines. In a first aspect the invention is an integrated computer system (10) for detecting and preventing failu...
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WO/2010/112872A1 |
A vehicle monitoring device (VMD) in accordance with the invention comprises a microprocessor programmed to simulate a vehicle's powertrain, that is arranged to receive signals from a vehicle's engine management system in order to produc...
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WO/2010/112286A1 |
Systems for taking exhaust gas samples are known. Use is normally made of CVS systems in which an exhaust gas channel (4) is fluidically connected to an exhaust gas source (6) via an exhaust gas inlet (2) and an air channel (10), into wh...
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WO/2010/109062A1 |
The invention relates to monitoring method of coupling in a rotating system of an internal combustion engine, wherein angular speeds on each side of the coupling are measured (110, 130). The method comprising exciting dynamic property of...
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WO/2010/106045A1 |
In order to measure physical properties on a turbocharger core assembly (4), which comprises a center housing (5) and a rotor (6) having a turbine wheel (7), a compressor wheel (8), and a shaft supported in the center housing (5), the tu...
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WO/2010/105784A1 |
The invention relates to a method for igniting a fuel/air mixture in one or more combustion chambers (1) which are delimited by walls (2, 3, 4) that are at ground potential, wherein an electric resonant circuit (7) is excited in which an...
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WO/2010/101087A1 |
Provided is a torque estimator of an internal combustion engine having a plurality of cylinders wherein torque of every cylinder can be estimated precisely. Cylinder pressure of CPS mounting cylinder #1 is acquired (step 100). Based on t...
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WO/2010/096793A2 |
An exemplary embodiment is a system, including an internal combustion engine fluidly coupled to an exhaust gas flowpath, an aftertreatment system disposed in the exhaust gas flowpath, where the aftertreatment system includes a NOx reduct...
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WO/2010/091903A1 |
The invention relates to a method for receiving operating data of an internal combustion engine in a control device during a diagnostic function of the control device and for transmitting operating data from the control device to a diagn...
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WO/2010/089887A1 |
An inter-cylinder air/fuel ratio imbalance judgmental device has an upstream-side air/fuel ratio sensor (67), a catalyzer (53) and a downstream-side air/fuel ratio sensor (68) that are provided at the downstream from an exhaust-collector...
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