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Matches 1 - 50 out of 4,490

Document Document Title
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
WO/2016/121723A1
Provided is a combustion pressure sensor that detects combustion pressure inside a combustion chamber of an internal-combustion engine, said combustion pressure sensor provided with a sensor body that has: a cylindrical housing that can ...  
WO/2016/110457A1
R.357216 - 9 - Abstract A vibration pickup (10) for picking up vibrations of a component (12) causing vibrations is proposed. The vibration pickup (10) comprises a housing (14) with an interior space (16), and a sensor element (32). The ...  
WO/2016/102741A1
Invention relates to a method of calibrating a pressure sensor (80) adapted to measure pressure in an internal combustion piston engine (12), which the method comprises during a compression phase before start of the ignition at least ste...  
WO/2016/102112A1
In a spark ignition internal combustion engine having a plurality of cylinders (Zyl (x)), successive segment time periods which are assigned to the individual cylinders(Zyl (x)) and which the crankshaft requires during the working stroke...  
WO/2016/097302A3
MEMS and/or NEMS pressure sensor including, in a substrate: a stationary portion and a portion that is movable relative to the stationary portion, the movable portion comprising a sensitive element (108) that is able to move in the plane...  
WO/2016/097302A2
MEMS and/or NEMS pressure sensor including, in a substrate: a stationary portion and a portion that is movable relative to the stationary portion, the movable portion comprising a sensitive element (108) that is able to move in the plane...  
WO/2016/084366A1
Provided is a position estimation device and the like for accurately estimating the position at which a pressure wave is generated. The position estimation device is provided with: a first cross-correlation derivation means for deriving ...  
WO/2016/071195A1
The invention relates to a method for the pressure-filling of containers (40) with a liquid filling material in a filling device having at least one filling element (10), against which the particular container (40) lies tightly by means ...  
WO/2016/058743A1
The invention relates to a pressure sensor (10) for sensing a pressure of a fluid medium in a measurement chamber (12). The pressure sensor (10) comprises a sensor housing (15), a first pressure sensor module (38) for sensing at least on...  
WO/2016/046460A1
The invention relates to a method for regulating ignition advance for managing the defects of a knock sensor (14), said method comprising the operations consisting, for a computer (13), of: detecting a malfunction of the knock sensor (14...  
WO/2016/020083A1
A method for the interpretive identification of a premature ignition in a combustion chamber of an internal combustion engine, wherein a feature (14, 16) which characterizes a combustion in the combustion chamber is determined and, on th...  
WO/2016/017301A1
In order to improve sensor characteristics and minimize variation in said characteristics, a pressure sensor is positioned upstream of a humidity sensor so as to help prevent water from contacting the humidity sensor and dust from adheri...  
WO/2016/012095A1
The present invention relates to a method (45) for determining the total pressure in a cylinder (Pcyl) of an engine depending on the angular position (crk) of a crankshaft (14) and from a quantity of fuel to be injected, potentially in s...  
WO/2015/195040A1
A method and a device for diagnosis of performance during a combustion process in a combustion chamber in at least one cylinder in a combustion engine. The method comprises the steps : during a working cycle with combustion, detecting mo...  
WO/2015/195032A1
A combustion engine (1) with a device (3) adapted to detect operating conditions in the engine, and which device has a device (4) with at least one sensor element (7), arranged separately from a cylinder chamber on a cylinder head (8) of...  
WO/2015/178004A1
A case (33) is provided with a preload receiving section (33f) such that the preload receiving section protrudes from an outer wall surface (33e) of a cylindrical section (33b). The preload receiving section (33f) receives a load applied...  
WO/2015/172070A1
An integrated package of at least one environmental sensor and at least one MEMS acoustic sensor is disclosed. The package contains a shared port that exposes both sensors to the environment, wherein the environmental sensor measures cha...  
WO/2015/147059A1
A pressure-detecting device (10) comprising a pressure-detecting element (21 (21a, 21b, 21c)) and a processing circuit (30). Upon being subjected to pressure (P), the pressure-detecting element (21) outputs a detection signal (Qi) corres...  
WO/2015/147058A1
A pressure-detecting device (10) comprising a pressure-detecting element (21) and a processing circuit (30). Upon being subjected to pressure (P), the pressure-detecting element (21) outputs a detection signal (Qi) corresponding to said ...  
WO/2015/147061A1
When configuring a combustion pressure sensor (5, 5A) that is at least provided with: a case member (31, ...) provided with an opening having contact surface (31a, ...) at a leading end side; a pressure receiving member (40, ...) having ...  

Matches 1 - 50 out of 4,490