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WO/2019/191798A1 |
A method for calibrating a mass flow meter in Constant Volume Sampling (CVS) exhaust gas analysis systems is known with an exhaust gas source (22), mixing channel (14), dilution air duct (12) for conveying dilution air, a first mass flow...
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WO/2019/195782A1 |
An interface assembly for connecting an on-board propulsion system to a testing facility includes a support member configured for coupling to a manipulation system and a mounting member configured for coupling to the on-board propulsion ...
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WO/2019/183991A1 |
Disclosed is an engine bench calibration method based on a simulation operation of a whole vehicle. The method comprises the following steps: collecting published data of an engine to be calibrated (4) and a vehicle model equipped with s...
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WO/2019/180383A2 |
The invention relates to a device (46) for measuring the characteristics of an air flow in an annular passage of a turbomachine, said device comprising a rod (44) which extends along a first defined axis (54), carries means for measuring...
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WO/2019/125319A3 |
The developed test mechanism is suitable for use in testing whether an internal combustion engine (M) with propeller meet the performance criteria, and comprises the platform (P); the carrier panel (T) located at the platform (P) via at ...
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WO/2019/170426A1 |
The invention relates to a pressure decoupling assembly (1) for a particle measuring system (3), comprising a sampling point (2) for removing a sample volume flow (2a) from a measuring gas flow. A pressure decoupling diaphragm device (4)...
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WO/2019/166506A1 |
The invention relates to a method (100) for operating an internal combustion engine (260, 420) with a motor, having a moving machine part and at least one machine element which retains said moving machine part and is subject to wear, suc...
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WO/2019/166375A1 |
The invention relates to a method for operating an internal combustion engine comprising, in particular, an engine and an additional component such as a turbocharger, heat exchanger or similar, wherein the internal combustion engine has:...
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WO/2019/166400A1 |
The invention relates to a computer-implemented method for minimizing thermoacoustic, aeroacoustic and/or aeroelastic instability states of a combustion process in a gas turbine, wherein the gas turbine has a combustion volume comprising...
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WO/2019/163277A1 |
The purpose of the present invention is to provide a testing system control device capable of, even if a specimen is replaced with a new specimen, quickly starting testing using a resonance suppression controller corresponding to the mec...
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WO/2019/157839A1 |
A preignition detection method for an internal combustion engine (1), comprising: integrating all instantaneous angular accelerations in a feature window (8) to acquire an integral value, and determining whether the internal combustion e...
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WO/2019/155562A1 |
This measurement device for measuring characteristic parameters of an internal combustion engine enhances testing efficiency as a result of comprising: a map alarm setting unit (16) for setting, as conditions, a plurality of internal-com...
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WO/2019/153388A1 |
A power spectral entropy random forest-based aeroengine rolling bearing fault diagnosis method, comprising: firstly, preprocessing aeroengine rolling bearing fault data; secondly, extracting rolling bearing data feature vectors, comprisi...
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WO/2019/155176A1 |
Method for detecting damage to one or more mobile blades of a bladed disc of an aircraft engine, comprising measuring (E1) the speed of the engine and, for each blade: – acquiring (E2) measurements of the blade-tip passage time, using ...
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WO/2019/149506A1 |
The invention relates to a method for detecting a leak in an air intake duct of an internal combustion engine with at least one combustion chamber, said air intake duct being split into at least two sections, with a section (A1, A2) upst...
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WO/2019/149792A1 |
The aim of the invention is to achieve more realistic test runs with a drive unit comprising a coolant circuit (7) on a test stand (1). This can be achieved in that a current actual cooling power (Pcool,act) in the coolant circuit (7) is...
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WO/2019/151927A1 |
A compression release brake arrangement (1) is disclosed. The arrangement (1) comprises a control arrangement (5), a valve actuator assembly (7), a first conduit (9) arranged to connect the valve actuator assembly (7) to a pressure sourc...
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WO/2019/151934A1 |
The present invention relates to a dynamometer test unit configured for use in a vehicle dynamometer system for dynamometer testing of a vehicle, the dynamometer test unit being configured to be connected to a wheel shaft of a vehicle, t...
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WO/2019/151928A1 |
A compression release brake arrangement (1) for an engine (3) is disclosed. The arrangement (1) comprises a valve actuator assembly (5) configured to, when activated, perform compression release braking of at least a first cylinder (7') ...
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WO/2019/145320A1 |
The invention relates to a test stand for a test object (7), comprising an inlet line (12), via which an inlet gas (11) is conducted to the test object (7), and an exhaust gas line (14), by means of which exhaust gas (15) is led away fro...
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WO/2019/144386A1 |
Provided is a method for predicting the key performance parameters of an aviation engine transition state, belonging to the technical field of aviation engine performance parameter prediction. First, an aviation engine transition-state b...
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WO/2019/146234A1 |
The objective of the present invention is to provide a method for controlling an engine bench system, with which it is possible to suppress resonance using a simple preliminarily experiment and a small computational load. This method for...
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WO/2019/140478A1 |
The invention relates to a method and a device (1) for regulating the pressure of the combustion gas and/or exhaust gas of a work machine (2), in particular an internal combustion engine. The combustion gas is supplied to the work machin...
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WO/2019/140477A1 |
The invention relates to a method for controlling the pressure of the exhaust gas of a work machine (2), in particular an internal combustion engine. The exhaust gas is discharged from the work machine (2) via an exhaust gas line (20), a...
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WO/2019/141917A1 |
The invention relates principally to a method for conformity control on installation of a differential pressure sensor (17) comprising a pressure tapping (18) and a pressure tapping (19) respectively upstream and downstream of a particle...
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WO/2019/137697A1 |
The invention relates to a liner processing device (1) for maintenance of a cylinder liner (2). The liner processing device (1) comprises a spindle (3) extending in a first direction (D1), at least three arms (4) connected to the spindle...
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WO/2019/134645A1 |
A device and method for simulating the effect of a two-stage supercharging pressure end or a turbo end bypass on spray characteristics. The device comprises a pressure end bypass simulation system, a volume-variable incendiary device, an...
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WO/2019/134755A1 |
The invention relates to a multi-axis sensor device (10), comprising a first at least single-axis acceleration sensor (12) and a second multi-axis acceleration sensor (14), which are designed for detecting accelerations (20) at different...
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WO/2019/129835A1 |
In order to improve the identification of system parameters of a test setup of a test bench, in particular in terms of the quality of the identification, there is provision for the test setup (PA) to be dynamically stimulated on the test...
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WO/2019/129837A1 |
For an observer for estimating the internal effective torque of a torque generator, which can also process unfiltered and noisy measurement signals and which is capable also of mapping vibration effects in the estimated effective torque,...
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WO/2019/129838A1 |
The material invention shows a filter that is capable of filtering a noisy, periodic measurement signal having oscillations at a variable fundamental frequency and harmonic oscillation components of the fundamental frequency by virtue of...
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WO/2019/133686A1 |
A test method for a vehicle powertrain includes, during a first test of a first vehicle or a portion of a first vehicle on a dynamometer, coordinatingly controlling (i) an accelerator pedal, an accelerator pedal signal, a fuel injector, ...
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WO/2019/129956A1 |
The method comprises: — obtaining (E10) a vibration signal acquired by an accelerometer sensor; — eliminating (E20) a deterministic component from the vibration signal; — obtaining (E30), for a determined fault, a theoretical frequ...
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WO/2019/122304A1 |
The aim of the invention is to provide a simple method for controlling the torque of a drive unit (2) for carrying out a test run on a test stand (1), which takes into account the limited adjustment dynamics of the drive unit (2). Accord...
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WO/2019/122305A1 |
The aim of the invention is to devise a method for controlling the torque of a drive unit (2) on a test stand (1), which method is easy to use and improved in relation to the prior art. For this purpose, an inner effective torque (MINT_ ...
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WO/2019/125319A2 |
The developed test mechanism is suitable for use in testing whether an internal combustion engine (M) with propeller meet the performance criteria, and comprises the platform (P); the carrier panel (T) located at the platform (P) via at ...
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WO/2019/115999A1 |
Apparatus and methods for measuring clearance are disclosed. In one arrangement, a sensor is used to output a signal that is dependent on a separation between the component and the reference structure. A passage event integration compris...
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WO/2019/117798A1 |
Methods and devices that estimates the in-cylinder pressure near the top dead centre of the cylinder based on the heat release during burning of fuel in the cylinder are provided. A first in-cylinder pressure curve in a first crank angle...
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WO/2019/114935A1 |
The present invention relates to a device, method and use for conditioning intake air for testing internal combustion engines. The device comprises a line for transporting intake air from an inlet point (a) to an outlet point (k), and th...
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WO/2019/110131A1 |
The present invention concerns to automobile emissions testing and more specifically to an exhaust sampling tube (22) for sampling combustion gases flowing out of an exhaust pipe (18) of an automobile (1). The exhaust sampling tube (22) ...
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WO/2019/112503A1 |
The present invention relates to a method for diagnosing an air intake conduit for supplying air to an internal combustion engine (101) of a vehicle (100), the vehicle (100) comprising: an internal combustion engine (101) comprising at l...
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WO/2019/109241A1 |
A method and system for recording endoscopic examination data. The endoscopic examination is to use an endoscope to examine whether a device is damaged. The device is composed of parts, comprising: (1) constructing a part hierarchical st...
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WO/2019/110480A1 |
To be able to carry out a realistic test on a test stand, the test is generated on the basis of a test drive performed with a vehicle (1) along a route (2), by determining at least one idling time (tL) of the internal combustion engine (...
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WO/2019/110483A1 |
The aim of the invention is to estimate a gear of a transmission for a test run in a simple manner from other available measured values (MW) of a test drive. This aim is achieved, according to the invention, in that a temporal sequence o...
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WO/2019/099228A1 |
Using machine learning for misfire detection in a Dynamic firing level modulation controlled internal combustion engine is described. A neural network is used to calculate expected crank acceleration from various inputs, including the dy...
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WO/2019/091655A1 |
The invention relates to a method for measuring frictional force in an internal combustion engine, comprising the following steps: - providing an internal combustion engine, which has a connection from a crankshaft to at least one camsha...
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WO/2019/088839A1 |
According to the invention, a diagnostic system is provided for diagnosing a misfire condition is provided of individual engine cylinders in a turbocharged diesel engine having at least a first and a second cylinder associated with a com...
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WO/2019/090319A1 |
Systems and methods for determining, using service component authenticity detection contained in a sensor module, whether an authorized or genuine service component element is installed in an automotive system are described. The authoriz...
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WO/2019/082737A1 |
This axial-flow fluid machine is provided with: a holding ring (30) holding a stationary blade train; a casing (20) supporting the holding ring (30); and an eccentric pin (80). An engagement part (23) of the casing (20) has a protruding ...
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WO/2019/048799A3 |
The present invention relates to an assist method that is used to ensure the compliant implementation of an emission test measuring an element emitted by a motor vehicle heat engine under real driving conditions, when the implementation ...
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