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WO/2019/028488A1 |
The invention relates to a piezoelectric device having at least one piezoelectric element (2), which has a support plane (4) oriented to a force introduction element (3), wherein in the event of a thermal loading of the piezoelectric dev...
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WO/2019/025144A1 |
The invention relates to a low-pressure sensor device (10) for measuring a boost pressure of an engine in a vehicle, the low-pressure sensor device (10) comprising - a pressure sensor (20) for measuring the pressure of a fluid in the low...
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WO/2019/016010A1 |
A method of monitoring combustion noise in a multi-cylinder internal combustion comprises: a1) monitoring combustion noise at a first cylinder of said engine by means of a knock sensor over a sensing window to determine a measured combus...
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WO/2019/002422A1 |
An engine oil filler cap for monitoring an internal combustion engine comprises: a processor; and a sensor module comprising a pressure sensor configured to sense crankcase pressure of the internal combustion engine and to output data re...
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WO/2019/001772A1 |
A method of monitoring the usage of an internal combustion engine is provided. The method comprises performing an engine monitoring routine using a local monitoring device directly attached to an internal combustion engine. The engine mo...
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WO/2019/002423A1 |
An engine oil dipstick for monitoring an internal combustion engine comprises a processor and a sensor module. The sensor module is configured to sense a characteristic of the internal combustion engine and to output data representative ...
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WO/2019/002440A1 |
An electrical connector having two lateral mounting bush wherein, a knock sensor (60) adapted to deliver data representative of the operation of a fuel injector is integrally overmoulded in one of the mounting bush, said knock sensor com...
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WO/2018/215181A1 |
A method for monitoring a cylinder pressure sensor (11) is proposed, in which method the sensor value is checked for admissibility and inadmissibility in a predefinable crankshaft angle range, when admissibility is detected the cylinder ...
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WO/2018/204881A1 |
A method of detecting uncontrolled combustion in an internal combustion engine includes sampling in-cylinder pressure sensor configured to measure pressure in a cylinder of the engine and generate a pressure signal, calculating a combust...
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WO/2018/204663A1 |
A contact sensor for the repeatable detection of small, high frequency mechanical vibrations in external systems is presented herein. The sensor includes a metal housing with an attachment device at one end and an output at the other end...
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WO/2018/172665A1 |
Method for managing pinking in a cylinder of an internal combustion engine, in a system comprising at least one acoustic sensor (2) and a computer (1) in order to take account of acoustic contamination stemming from parasitic noise (5), ...
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WO/2018/154883A1 |
This pressure sensor for detecting combustion pressure of an engine is provided with: a contact section that is directly or indirectly in contact with a housing of the engine when the pressure sensor is attached to the engine; and a pres...
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WO/2018/144874A1 |
A method and apparatus for measuring a subject's ability to perform a varying range of barrier reaches is provided. The apparatus includes a barrier having a substantially horizontal upper surface at a height above a base point. A sensin...
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WO/2018/114109A1 |
The invention relates to a method for producing a sensor housing for a pressure sensor and to a sensor housing for a pressure sensor, to a pressure sensor having such a sensor housing, and to the use of an additive production device for ...
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WO/2018/110859A2 |
A pressure transmitter system comprises: a housing having an inner space arranged therein; a fluid port formed to pass through a side surface of the housing; a diaphragm disposed on the bottom surface of the inner space so as to detect a...
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WO/2018/106513A1 |
A microelectromechanical system (MEMS) device includes at least one substrate, a lid, a MEMS component, a sensor, and a power supply. The lid is coupled to the substrate so that the substrate and the lid cooperatively define an interior ...
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WO/2018/100286A1 |
The invention relates to a knock sensor (C) comprising: a body, including a detection unit (3) capable of measuring vibrations and a metal base (1) having a supporting ring (6) on which the detection unit (3) rests; and a peripheral shel...
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WO/2018/098278A1 |
A spark plug combustion ionization sensor for measuring ion current inside the cylinder of an internal combustion engine. The sensor measures ion current which flows when the energy released during combustion ionizes the air inside the c...
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WO/2018/079622A1 |
This pressure sensor is provided with: a housing extending along an axis line; a diaphragm fixed on the leading end side of the housing; a piezoelectric unit, which is disposed in a hole in the housing, and includes a piezoelectric eleme...
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WO/2018/044294A1 |
Systems and methods for estimating an engine event location are disclosed herein. In one embodiment, a control system is configured to receive feedback from at least one knock sensor coupled to a reciprocating engine, estimate an engine ...
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WO/2018/012007A1 |
In the present invention, the accuracy of measuring pressure is improved in a pressure sensor. This pressure sensor comprises: a cylindrical casing that extends in the axial direction; a diaphragm joined to the distal-end side of the cas...
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WO/2018/003267A1 |
A pressure sensor 1A comprises: a connecting section 2 provided with a screw section 2a for securing the pressure sensor 1A to a combustion chamber of a vehicle engine; a hollow liquid sealing container 3 secured to one end of the connec...
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WO/2017/212800A1 |
Provided is a pressure sensor that is capable of inhibiting, at locations around a sensor chip, dew condensation of a water vapor that is from a gas to be measured and that has permeated a protective material, the sensor chip being used ...
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WO/2017/205533A1 |
A microphone device comprises a microphone die including a first microphone motor and a second microphone motor, an acoustic integrated circuit structured to process signals produced by the first microphone motor and the second microphon...
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WO/2017/170456A1 |
Provided are a pressure sensor and a method for producing the same. The pressure sensor is provided with a silicon substrate 24 having a cavity 23, a diaphragm 21 that comprises metallic glass and is under tensile stress in a range such ...
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WO/2017/164183A1 |
In piezoelectric sensors, conventional amplification factor adjustment methods involving the cutting of a wiring pattern or the use of a laser trimmable resistor are unable to adjust the amplification factor when the sensor is in a compl...
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WO/2017/154627A1 |
A pressure detecting device which detects the combustion pressure in an internal-combustion engine includes: a piezoelectric element 10 which outputs a charge signal corresponding to the pressure in a combustion chamber; and a mounting b...
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WO/2017/146043A1 |
A pressure detection device 20 includes: a piezoelectric element 33 that detects a pressure change via a diaphragm head 32 or the like; a circuit board 57 that is provided with a processing circuit that performs electrical processing wit...
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WO/2017/134329A1 |
The pressure monitoring arrangement for monitoring cylinder pressure of a piston engine (1) comprises a linear encoder (3) comprising a read head (3a) and a scale (3b) and being configured to monitor displacement or deformation of a comp...
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WO/2017/102067A1 |
The invention relates to a method for checking the association of structure-borne noise sensors (1) of an internal combustion engine (2) having a plurality of cylinders (3), which internal combustion engine can be operated in diesel oper...
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WO/2017/093108A1 |
The present invention proposes a device (1) for sensing a combustion chamber pressure in a combustion chamber of an internal combustion engine, having a housing (2), a pressure sensor module (3) which is arranged in the housing (2) and h...
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WO/2017/091130A1 |
Methods and devices for processing a signal generated by a sensor (7) adapted to sense pressure variations generated in a cylinder (61- 66) of a combustion engine (1) are described. The sensor is mounted on the combustion engine outside ...
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WO/2017/076726A1 |
The invention relates to a method for detecting a misfire in a cylinder of an internal combustion engine during operation of a motor vehicle. The method comprises the following: (a) capturing a temporal progression of a signal, which is ...
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WO/2017/061411A1 |
The present invention is a monitoring device that monitors the pressure state of a fluid in a device to be monitored having a chamber, in the interior thereof at least one of compression and expansion of the fluid being performed, wherei...
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WO/2017/030889A1 |
An ionization detector (120) that reduces the filtering effects of the ignition coil (118) inductances by shorting an inductance of a primary winding (202) of the ignition coil (118). The ionization detector (120) includes a bias voltage...
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WO/2017/011206A1 |
A system includes an engine control system configured to receive a first vibration signal from a first knock sensor disposed about a reciprocating engine, apply a binaural model to the first vibration signal, derive an engine health cond...
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WO/2017/010416A1 |
In the present invention, disclosed is a technology capable of reducing measurement error. Provided is a pressure sensor that comprises: a housing; a diaphragm that is joined to the distal-end side of the housing via a joint and flexes i...
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WO/2017/003838A1 |
In one embodiment, a method is provided. The method includes receiving a plurality of signals representative of an engine noise transmitted via a plurality of noise sensors, wherein the noise sensors are disposed in a grid about an engin...
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WO/2017/002773A1 |
Provided is a knocking determination device that determines the presence or absence of knocking. The knocking determination device is provided with: a determination signal selecting unit that selects a determination signal from among obt...
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WO/2016/198043A1 |
The invention relates to a method for determining at least one extension-dependent variable of at least one sample element (50, 60) arranged on a disk-shaped substrate (3, 13, 23, 33, 43, 53, 63). A controlled bending torque is applied t...
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WO/2016/191773A1 |
The invention relates to a method for operating an internal combustion engine (1) having at least one piston/cylinder unit (2), preferably a plurality of piston/cylinder units (2), wherein, in a detection mode of the internal combustion ...
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WO/2016/191205A1 |
A sensor for sensing a differential pressure across an air filter in a motor vehicle. The sensor includes a sensor body having a first air passageway communicating with an atmosphere and a second air passageway communicating with an inte...
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WO/2016/189137A1 |
The signal transduction device (1) comprises at least one piezoceramic sensor (4) supported on a support element (2) and featuring an integral protective coating (16) having properties of mechanical and temperature resistance, said integ...
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WO/2016/173703A1 |
The subject of the present invention is a sensor (10) for measuring the pressure prevailing in a motor vehicle cylinder head, said sensor (10) comprising a tubular body (20) and an element (30) sensitive to variations in said pressure, m...
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WO/2016/168940A1 |
Premixed engines including dual fuel engines can experience abnormal combustion characteristics including misfire, pre-ignition and knock. A method for detecting and mitigating abnormal combustion in an engine comprises sensing frequency...
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WO/2016/167208A1 |
This pressure sensor is equipped with: a housing (10) having a tip-end cylindrical section (11) that lengthens in the direction of an axis (S) and is exposed to a pressure medium; an output measurement unit (20) that includes a piezoelec...
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WO/2016/155995A1 |
The invention relates to a combustion-chamber pressure sensor (21) for measuring a combustion-chamber pressure in a combustion chamber of an internal combustion engine, which combustion-chamber pressure sensor comprises a sensor element ...
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WO/2016/152429A1 |
Provided is a combustion pressure sensor attached to a functional part installed in a combustion chamber of an internal combustion engine, the combustion pressure sensor being characterized in that: a pressure receiving member that forms...
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WO/2016/134458A1 |
An integrated fault monitoring apparatus for electrical devices has an internal fault detector for detecting transient pressure surges within the electrical device, a pressure relief valve for allowing release of pressure during normal o...
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WO/2016/125637A1 |
Provided is a cylinder-pressure detecting device that detects the pressure inside a combustion chamber and that is provided with: a pressure detecting element attached to a distal-end portion of a fuel injection device that injects fuel ...
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