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WO2007115140A9 |
Methods and systems for aircraft engine trend monitoring include periodically recording the outputs of engine-condition sensors and analyzing the results to examine piston-engine performance trends and predict the need for engine mainten...
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WO/2007/147484A1 |
The invention relates to a method for detecting a misfire in an internal combustion engine provided with at least two cylinders and one crankshaft, this method involving the steps consisting in: a. producing a measurement signal connecte...
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WO/2007/137132A2 |
A statistical process, and system for implementing the process, is described for the analysis ofstress waves generated in operating machinery or equipment This technique is called Probabilistic Stress Wave Analysis (figure 7) The process...
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WO/2007/124586A1 |
Described is a method and system of monitoring the health of a machine (10), while operating. In particular, the method of monitoring comprises capturing sound data of the machine (10), while in operation, and comparing this captured sou...
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WO2007082625B1 |
The invention relates to a modular testing plant 1 comprising at least two building modules 2, 4 which are designed as transportable containers and which each have two side walls 2.1, 2.2, 4.1, 4.2 and two transverse walls 2.3, 2.4, 4.3,...
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WO/2007/101946A1 |
The invention concerns a method for real time estimation of combustion engine parameters from vibratory signals. It consists in continuously acquiring, from a vibration sensor, and based on a crankshaft angle a vibratory signal represent...
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WO/2007/098519A2 |
Disclosed is a sensor device for a test stand, comprising a sensor (2) for detecting data of the test object and/or the environment. The aim of the invention is to simplify the structure of the test stand while obtaining the greatest pos...
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WO/2007/091962A1 |
The object of the invention is to provide an alternative method for durability testing of an engine block. The engine block comprises cylindrical cavities, which cylinder cavities are separated from each other by intermediate walls, each...
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WO/2007/087920A1 |
Method and apparatus for operating an exhaust-gas catalytic converter (21) of an internal combustion engine having at least one cylinder (Z1-Z4) and one exhaust-gas section (4), in which the exhaust-gas catalytic converter (21) and a lam...
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WO/2007/087705A1 |
A system and method for calibrating an absolute angular position sensor and/or for providing pre-calibrated absolute angular position sensors comprises comparing, at a pre-elected number of angular positions, the angular position derived...
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WO/2007/085460A1 |
The invention relates to a soot number determining device having an intake line (10) for taking in a soot-containing gas through a filter paper (23) that has been introduced into the intake line (10), a transport apparatus (25) which is ...
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WO/2007/074271A1 |
The invention concerns engine control. More particularly, it concerns a method for controlling an engine characterized in that it comprises a step which consists in determining the possible occurrence of combustion loss or misfiring in a...
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WO/2007/063177A1 |
The invention utilises the firing order of the cylinders within the engine to identify the cylinder or cylinders that mainly contribute or, alternatively, contribute as little as possible to the production of certain harmonic frequencies...
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WO/2007/039637A1 |
The method for determining the torque (M_A) of an internal combustion engine (1) is characterized in that movements (X, Y) of the internal combustion engine (1) are detected and a torque (M_A) output by the internal combustion engine is ...
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WO/2007/041274A2 |
The partial flow sampling system (10) includes a system inlet (50) for receiving an exhaust sample flow from a sample inlet probe and transfer line. The system further includes a dilution air control system for controlling a dilution air...
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WO/2007/031138A1 |
The invention relates to a method and an apparatus for predicting the reliability of a product. The product is subjected to a load in at least one trial. A relationship between the load in the trial and the load during subsequent use is ...
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WO/2007/012298A1 |
According to the invention, a testing device (10) for high pressure injectors (50) of a common rail injection system of an engine unit, in which testing device (10) the high pressure injectors (50) have in each case one fuel return port ...
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WO/2007/010154A2 |
The invention concerns a device for detecting in real time the beginning of the combustion phase of an internal combustion engine, in particular for a motor vehicle. It comprises means for calculating (20) a variable (C) representing the...
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WO/2007/008279A1 |
A system, apparatus and method for analyzing a condition of a vehicle is provided. The system, apparatus and method are directed to obtaining vehicle information used for analyzing select vehicle data obtained from a vehicle, wherein aft...
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WO/2007/006988A2 |
The invention concerns a device (10) for processing a signal of pressure measurement (Pr) of an internal combustion engine combustion chamber comprising: a low-pass filter (22) of the pressure measuring signal so as to obtain a filtered ...
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WO/2006/136756A2 |
A device (41) for coupling a flywheel (44) to a drive shaft (42) by a testing bench is characterised in that said device (41) is provided with a central internal spline area (1) for connecting to the drive shaft (44) and means (30, 31, 3...
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WO/2006/133563A1 |
A method of detecting at least one engine condition of a gas turbine engine (10) using a microphone (22) disposed outside a region of the gas turbine engine (10) to be monitored. The method includes receiving (44) a signal produced by th...
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WO/2006/131908A2 |
A personal sports monitor for monitoring sporting activity, comprises: an input unit for receiving physiological or physical measurements from a subject during a sporting activity, and a logical unit for receiving the measurements and pr...
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WO/2006/131673A1 |
The invention concerns a method for determining combustion noise level (D3Ppil1, D3Ppal1) generated by an injection engine based on pressure measurements. Said method consists in: equipping the engine with a pressure sensor delivering a ...
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WO/2006/128788A1 |
The invention relates to a method for the model-based diagnosis of a mechatronic system, such that errors can be detected (5) by a control device within the mechatronic system and errors can be identified (7) by a calculation unit outsid...
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WO/2006/120728A1 |
[PROBLEMS] To provide an engine measurement device for determining the mechanical loss of an engine for a short time. [MEANS FOR SOLVING THE PROBLEMS] The engine measurement device includes a detector (2) for measuring the individual pie...
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WO/2006/119519A1 |
The invention relates to a method and an apparatus for measuring exhaust components in the exhaust cloud (1) of motor vehicles (2) that drive past a measuring apparatus (3). According to the invention, an analyzing device (4) is provided...
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WO/2006/118678A1 |
A particulate sampling system (18) is disclosed. The particulate sampling system may include an exhaust sampling unit (24) and a dilution flow assembly (26) to supply dilution air to the exhaust sampling unit. The particulate sampling sy...
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WO/2006/110935A1 |
A plurality of exchangeable, different piezoelectric pressure sensors (4) comprise integrated SAW elements (60) as identification units whose identification data can be read by an interrogation unit (3) via a common connection cable (61)...
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WO/2006/109669A1 |
There are included a reference number-of-revolutions signal pulse detector (2) that detects signal pulses of a reference number of revolutions of an internal combustion engine (1) having a magnet (A); and an ignition noise pulse detector...
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WO/2006/107814A2 |
The present invention relates to methods of diagnosing, monitoring, and assessing treatment effects for neurological and neurodegenerative diseases and disorders, such as Alzheimer's Disease, early in the course of clinical disease or pr...
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WO/2006/103368A2 |
The invention relates to an CO2 tracing method for measuring a raw exhaust gas (3) flow rate at exit from an internal combustion engine (1A) for a motor vehicle (1). The inventive CO2 tracing method for measuring raw exhaust gas flow rat...
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WO/2006/096974A1 |
An increment sensor assembly inquires an microcontroller as to the last known increment when a vehicle is started. The last known increment data is used to rotate the sensor backward to reach a lower mechanical stop position or forward t...
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WO/2006/091095A2 |
Method and assembly for determining the presence of soot particles in a gas stream such as in the air. To prevent the disturbing effect of salts and the like that may be deposited on soot particles, it is proposed to introduce the soot p...
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WO/2006/090829A1 |
When a rotation variation difference Nxd360 that is the difference from a rotation variation Nxd before a crank angle 360æCA exceeds a judgment value A1 and a rotation variation difference Nxd720 that is the difference from a rotation v...
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WO/2006/089858A1 |
The invention concerns a method and a device for operating an internal combustion engine injection device (5), said injection device (5) comprising injection valves (40) via which the fuel is injected directly into the combustion chamber...
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WO/2006/087029A1 |
The invention relates to a test stand for testing operating internal combustion engines devoid of their own exhaust gas purification system and, in order to prevent that the test stand exhaust gas attains inadmissible values, an exhaust ...
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WO/2006/083650A2 |
An accurate and reproducible measurement of the cuticle scale height of naturally occurring proteinaceous fibers can be made by measuring the scale height of the fiber while it is vertically oriented beneath a scanning electron microscop...
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WO/2006/074498A2 |
The invention relates to a camshaft (1) for an internal combustion piston engine, in particular for a research internal combustion engine, which is composed of several parts (2, 3, 4, 5). To adjust said camshaft in the simplest manner, s...
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WO/2006/075766A1 |
A rotational fluctuation Nxd is given as a variation in rotation speed N of a crankshaft at every specific crank angle CA, that is, at every 120 degrees, corresponding to an ignition timing in each cylinder of a six-cylinder engine (step...
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WO/2006/074366A2 |
A method for preparing a motor vehicle for a crash test is disclosed. The method subjects the motor vehicle to a sequence of different tests (602, 606, 610), and provides a system of staged modifications (604, 612, 616, and 620)that can ...
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WO/2006/071298A1 |
A programmable vehicle or engine diagnostic tool includes an interface for receiving a signal relating to a performance parameter of the vehicle or engine, a user interface, and a central processing unit, for processing the signal to gen...
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WO/2006/067333A1 |
The invention concerns a method for detecting abnormal combustion in the combustion chamber of at least one cylinder of an applied ignition supercharged engine, characterized in that it consists in: measuring a physical quantity related ...
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WO/2006/062577A1 |
A system (100) and method for detecting and analyzing anomalies in a machine (10) during operation. The system (100) and method includes at least one sensor (20) configured to detect characteristics of the machine (10) indicative of mach...
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WO/2006/058352A1 |
The invention relates to a test stand assembly comprising a chassis dynamometer (2) that is equipped with measuring and servicing units (3 to 11) for the vehicle (1) to be tested. The aim of the invention is to improve the load capacity ...
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WO/2006/059682A1 |
In a method and a system for adapting the engine transient characteristic to a required performance target, it is possible to cope with a plurality of standardized transient operation modes. When there are a plurality of standardized tra...
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WO/2006/055093A1 |
A system and a machine-implemented method for rendering, on a display device, a first data graph concerning data received from a first data source. A second data graph concerning data received from a second data source is rendered on the...
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WO/2006/054029A1 |
The invention concerns a device for controlling an internal combustion engine (601), comprising means (600) for generating a signal for controlling the internal combustion engine (601), a sensor (602) for supplying a pressure measurement...
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WO/2006/048121A1 |
The invention relates to a method for operating an internal combustion engine, comprising a control device and a combustion chamber defined in a cylinder between a cylinder head and a piston. A combustion chamber pressure is determined i...
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WO/2006/045181A1 |
A system and method to manage the operation of an engine to substantially avoid undesired operating conditions. The system and method monitors, substantially in real time, the operation of the engine to detect the occurrence, or onset, o...
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