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Patent Searching and Data


Matches 701 - 750 out of 7,621

Document Document Title
WO/2012/124684A1
An engine testing apparatus is provided with a storage unit for storing a control command value obtained when the rotation speed of a dynamometer is varied by the control command value in accordance with a change in the engine rotation s...  
WO/2012/125725A1
An improved apparatus for sensing exhaust emissions (15) comprising a passive induction sampler (50) configured to sample exhaust from a source (16), a processing unit (30) connected to the induction sampler and configured to be mounted ...  
WO/2012/125272A1
A method of monitoring health of a mechanical drive train is provided. The method includes obtaining voltage and current signals from at least one phase of an electrical machine coupled with the mechanical drive train. The method also in...  
WO/2012/119865A1
A method of detecting shaft break in a gas turbine engine (10) having a shaft system (48). The shaft system (48) comprising a shaft (36) that couples a compressor (16) and a turbine (24). First construct a frequency model (60) of the sha...  
WO/2012/119864A1
A shaft break detection system (68a) and a method of detecting shaft break for a gas turbine engine. A first indication is calculated from measured rotational speed of a shaft. A second indication (68b) is calculated from the rotational ...  
WO/2012/113831A2
The invention relates to a method for functionally testing turbomachines, preferably exhaust gas turbochargers (1, 2, 3), wherein one or more gas pressure pulses is/are applied to the test item and the test item is thereby operated. For ...  
WO/2012/110263A1
The invention relates to a method for identifying, diagnosing, servicing and repairing a vehicle (10) in a workshop. Said method consists of the following steps: a first vehicle test device (3a) is connected to a first work station (41) ...  
WO/2012/106043A1
Methods and systems are provided for diagnosing a fault of a turbocharger of a vehicle system. The turbocharger system comprises a rotary component and a wiring harness including a plurality of signals. In one embodiment, a diagnosis kit...  
WO/2012/105729A1
The present invention relates to a test system for an engine comprising: a connector for getting inputted thereto a signal from a sensor placed on the engine or for outputting a signal for controlling the engine; a digital input/output u...  
WO/2012/105895A1
A method for determining fatigue strength of engine components, comprising the steps of -providing an engine component, -loading at least part of the component to a level below its tensile strength and measuring its resulting deformation...  
WO/2012/104454A1
The invention relates to a unit for simulating the pressure and temperature conditions of an air flow drawn in by a reciprocating internal combustion engine (1) at a height above sea level, corresponding to the operating height of said r...  
WO/2012/089857A1
The system makes it possible to evaluate different architectures/operating modes (pure electric, series, parallel, parallel/series, electric+range extension) in a quasi realistic manner and to evaluate the energy management strategies an...  
WO/2012/091705A1
An engine pulley testing device for detecting damaged engine pulleys featuring a first support arm and a second support arm pivotally connected via a pivot component. Lengths of the support arms are adjustable. A brace component connects...  
WO/2012/088410A2
A test stand may include a clutch operatively arranged with a dynamometer and a flywheel. The test stand may further include a controller configured to control the clutch to decouple a rotating inertia of the dynamometer from a rotating ...  
WO/2012/082019A1
Method for verifying an engine torque estimation, comprising the steps of estimating the engine torque based on the amount of fuel injected into the engine, where the engine torque is obtained from a fuel injection table, estimating a fi...  
WO/2012/076256A1
The creation of a smoke limiting characteristic diagram is a complex process which requires highly qualified and highly experienced technical knowledge. In order to reduce the complexity for creation, according to the invention a number ...  
WO/2012/077182A1
The purpose of the present invention is to provide a device for detecting a particulate substance in an internal combustion engine, which can estimate the amount of the discharged particulate substance with high accuracy. This device for...  
WO/2012/065964A1
The invention relates to a method for detecting combustion defects occurring in at least one cylinder of an internal combustion engine during at least one combustion cycle, wherein said method involves analyzing the values of a represent...  
WO/2012/062725A1
The invention relates to a device (1) for friction measurement on a cylinder-piston arrangement, wherein a to- and fro-moving piston (3) having at least one piston ring is arranged in a cylinder liner (2), having at least one sealing ele...  
WO/2012/064958A2
A system and method for testing and maintaining a power assembly of a locomotive diesel engine. In one embodiment of the invention, the testing apparatus comprises: a first test position for securing a strongback of a power assembly; a s...  
WO/2012/055078A1
A piston fuel-injector detection device consists of a base (1), a perspective platform (2), an observation cover (3), a sliding groove (4), an adjusting handle (5), a conducting-wire column (6), a supporting plate (7), a trigger switch (...  
WO/2012/053966A1
The present invention relates to a dynamometer test unit for use in dynamometer testing of a vehicle, where the vehicle includes at least a first wheel shaft and at least one first vehicle power source for providing power to said first w...  
WO/2012/052461A1
In a method for determining the mass flow of gases, in particular the exhaust gas of internal combustion engines, at least two independent methods which are carried out in a parallel manner and are based on different physical principles ...  
WO/2012/049396A1
The invention relates to a method and a system for monitoring a test bed for at least one component of an engine, comprising: - acquisition means (7) for acquiring at successive instants packets of time signals corresponding to measureme...  
WO/2012/045604A1
The invention relates to a method for evaluating the emissions in the exhaust gas of an internal combustion engine of a motor vehicle. In order to exclude subjective influencing factors in the evaluation to the greatest extent possible, ...  
WO/2012/045732A1
Method for the diagnosis and the evaluation of the performance of a vehicle equipped with at least an engine control unit, comprising the steps of: determining, in at least a period of acceleration followed by a period of deceleration of...  
WO/2012/041928A1
The invention relates to a diagnostic method for a torsional vibration damper in a drive train of a vehicle, comprising the steps of providing a drive train (1) having a drive unit (5), in particular an internal combustion engine, for ge...  
WO/2012/034257A1
A device (1) for prompting driver with vehicle efficacy state at real time comprises a microprocessor (2), a memory (3), a graphic display (4) and a digital communication interface (5) which connects to an electronic control unit (6) of ...  
WO/2012/033425A1
The invention relates to the field of continuum mechanics and is intended for evaluating the stress-strain state of objects in mechanical systems. The method comprises measuring a spatial vibration, storing a set of vectorial strain valu...  
WO/2012/025434A2
The invention relates to a method and a detection device for detecting misfires in an internal combustion engine connected to a generator by means of a rotor shaft in a torsionally rigid manner. The generator comprises a detection device...  
WO/2012/025244A1
The invention relates to a portable device for changing operating parameter values and/or firmware of electronic control units of motor vehicles connected to a communication bus and to a corresponding method using the device. The device ...  
WO/2012/016666A1
A method for continuously and simultaneously monitoring a plurality of operatively connected mechanical and/or hydraulic drive components provided in at least one drive train in a large hydraulic excavator by virtue of a vibration sensor...  
WO/2012/010050A1
A method and a device for matching an engine with a turbocharger. The method comprises: obtaining from an interface an engine parameter; calling from an Excel function library a match function formula for the engine and the turbocharger;...  
WO/2012/007813A1
At the time of an engine start while the vehicle is driving, when a required vehicle driving force (TRQ) is smaller than or equal to a predetermined value (TRQth), an electronic control unit (20) estimates that the degree of deformation ...  
WO/2012/001653A2
A system for oilfield equipment asset utilization improvement includes a number of units of oilfield equipment, the units of oilfield equipment having a common equipment type. The system further includes a controller having an equipment ...  
WO/2012/002880A1
Measuring device for diagnosis of a piezoelectric injector means in a fuel injection system, which measuring device comprises a signal generator adapted to generating a measurement signal in the form of an AC voltage with a varying frequ...  
WO/2011/160564A1
A novel testing system and method for the MW-level wind driven generator set is presented. The electric power fed by the network is supplied to a drag motor with double extended shaft by a series of devices. The drag motor drives the gen...  
WO/2011/159532A2
A test machine comprising a driver (10) connected to an input shaft (42), the input shaft (42) having an axis of rotation (CL1), an output shaft (43) having an axis of rotation (CL2), a driveshaft (40) connected between the input shaft a...  
WO/2011/159088A2
The present invention relates to a system for detecting and diagnosing a defective state of an airplane engine and a method thereof, comprising: at least one vibration sensor attached to an airplane; a reference model database constructi...  
WO/2011/159229A1
The present invention relates to dynamometer testing of a vehicle comprising at least a first wheel shaft and a second wheel shaft and a first power source for providing power to said first wheel shaft. The method comprises, with only sa...  
WO/2011/155601A1
A shaft connection device facilitates the engagement between male and female spline shafts and prevents the runout of the shafts after the engagement. A shaft connection device for connecting a pair of rotating shafts by engaging a pair ...  
WO/2011/151115A1
The invention relates to a device for supplying an internal combustion engine on a test bench with at least one cooled useful medium, such as combustion air, engine oil, cooling water, and the like, comprising at least one cooler (1) con...  
WO/2011/149184A1
The present invention relates to a test device and method whereby the fuel injection valve of a marine diesel engine can easily be repeatedly measured, and the present invention comprises: an oil-flow change-over means which is provided ...  
WO/2011/146894A1
A method for testing a fuel injector including providing an engine with a common rail fuel injection system having one or more fuel injectors; operating the engine at a selected set of operating conditions; conducting a motoring event; a...  
WO/2011/143304A2
A system and method for measuring particulate matter in a gas includes an opacimeter and a laser light scattering detector. The opacimeter is adapted to detect particulate matter in the gas and output an opacimeter measurement. The laser...  
WO/2011/138999A1
The present invention relates to a method and apparatus for detecting a misfire which may occur during the operation of an internal combustion engine, and which, in particular, not only detects a misfire, but also detects which cylinder ...  
WO/2011/138677A1
A method of detecting misfire in an internal combustion engine comprises: sensing a temporal signature of a lateral displacement of the engine, performing a spectral analysis of the temporal signature of the lateral displacement to extra...  
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...  
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...  
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...  

Matches 701 - 750 out of 7,621