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WO/2023/057634A1 |
A sensor. In some embodiments, the sensor includes a first waveguide, a flexible support element, and a second waveguide. A first portion of the first waveguide may be supported by the flexible support element and separated by a first ga...
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WO/2022/248661A1 |
The present invention relates to a measuring device (1) for measuring a detonation (90) in a confined environment, comprising a plurality of internal chambers (210, 230) each having a volume of between 100 mm3 and 5000 mm3, a first inter...
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WO/2022/212608A1 |
A displacement detector comprises a substrate (SUB) and a membrane (MEM) having an inner surface (INS) facing the substrate. A mounting area (MA) is arranged to fix the membrane along at least part of the perimeter (PER) of the membrane,...
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WO/2022/185272A1 |
A vibration sensor based on piezoelectric thin films, or smart cuts of piezoelectric materials,integrated into a functional, metallic housing that transmits vibration deformations applied to the housing correctly into the sensor in a fre...
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WO/2022/178629A1 |
A fault detector for detecting the occurrence of a rapid pressure rise within electrical equipment. The fault detector has a chamber having an interior, a diaphragm in sealing engagement with the chamber and an aperture providing fluid c...
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WO/2022/146261A1 |
This invention is about the short circuit detector for the inner coil windings on three- phase hermetic type transformers which can determine the inner failures according to the pressure shifts occuring in three-phase hermetic pole type ...
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WO/2022/104175A1 |
The present application discloses an optical micro-electro-mechanical system (MEMS) based monitoring system, comprising: a broadband light source, a tunable optical filter (TOE), an optical etalon, a plurality of optical receivers, a plu...
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WO/2022/099341A2 |
Pressure measuring devices (10) with a pressure gauge (12) with a pressure measuring member (14; 16), and a connector line (42; 43), via which the pressure gauge (12) is connected to a measured media source (44), are known. In order to o...
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WO/2022/103997A1 |
The present invention discloses an optical MEMS based intracranial pressure (ICP) and intracranial temperature (ICT) monitor, comprising: a broadband light source, a tunable optical filter (TOE), an optical etalon, a plurality of optical...
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WO/2022/094642A1 |
The invention relates to a prechamber spark plug (1) suitable for use in a combustion chamber (12) of an internal combustion engine, comprising a prechamber (2), which is fluidically connected to the combustion chamber (12) by means of a...
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WO/2022/089866A1 |
The invention relates to a method for automatically identifying knocking in an internal combustion engine having a plurality of cylinders, variable inlet valve stroke and a knocking sensor. The invention further relates to a correspondin...
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WO/2022/042964A1 |
The invention relates to a method for monitoring the function of a capacitive pressure measuring cell (10) which comprises a measurement capacitor (CM) and a reference capacitor (CR) as well as a temperature element, wherein the pressure...
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WO/2021/260444A1 |
An event detection system (200) for determining occurrence of an event in an internal combustion engine (201) comprising an ion current measurement circuit (107), a predetermined number of frequency band limiter modules (203), a predeter...
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WO/2021/224084A1 |
A pulse counter for counting fluid pressure changes is disclosed. The pulse counter comprises a first housing part (10); a second housing part (20) comprising a fluid passage (22), the first housing part (10) being separate from the seco...
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WO/2021/181757A1 |
A member 46 having a built-in circuit and being provided to a pressure detection device for detecting the combustion pressure or the like in an internal combustion engine has: a processing circuit that processes a charge signal outputted...
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WO/2021/151930A1 |
Disclosed is a vibration control device (1) comprising: a base (7); a coupling bolt (3) comprising a threaded segment (11) and a non-threaded segment (10) that are coaxial; a contact surface (5); an open resilient retention ring (15) hav...
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WO/2021/068014A1 |
According to the invention, a compensation amplitude (KP_PKkomp) is determined from the maximum amplitudes (KP_PK) of a number of cycles (Ak) recorded at a first operating point, which compensation amplitude is used to compensate maximum...
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WO/2021/041170A1 |
In at least some implementations, a plate for a heat exchanger defines at least in part a flow channel for a working fluid of the heat exchanger, the plate defines an aperture adjacent the flow channel, and the aperture has a sensor asse...
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WO/2021/030608A1 |
A fire-fighting system includes a pump, a nozzle for directing fluid flow from the pump to a target area, a discharge valve controlling fluid flow between the pump and the nozzle, a sensor coupled to the nozzle, and a controller communic...
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WO/2020/262256A1 |
Provided are a piezoelectric material, a piezoelectric member, a piezoelectric element, and a pressure sensor that are usable in a high-temperature environment. This piezoelectric material comprises a Sr-substituted åkermanite represent...
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WO/2020/216814A1 |
A common rail assembly (10) comprises a common rail (12) having a tubular body (16) extending along a longitudinal axis (A), an inner longitudinal bore (18) for, in use, containing pressurized fuel, said body comprising a plurality of tr...
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WO/2020/182808A1 |
The invention proposes a method for generating an estimator of error in the measurement of a motor vehicle cylinder pressure sensor, the method being implemented by a computer comprising a memory, the method comprising the following step...
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WO/2020/171848A1 |
An internal combustion engine according to one or more embodiments of the present disclosure may include an engine cylinder having a cylinder head and cylinder sidewalls and a piston that reciprocates within the engine cylinder. The pist...
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WO/2020/171845A1 |
A method of operating an internal combustion engine that includes injecting fuel into a combustion chamber to form an air-fuel mixture, where the combustion chamber includes a cylinder head, cylinder sidewalls, and a piston that reciproc...
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WO/2020/144803A1 |
This pressure sensor comprises cylindrical housings (10, 210); a diaphragm which is fixed to the tip of the housing and which is exposed to a pressure medium (30); pressure measuring members (70, 270) comprising a first electrode (71), a...
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WO/2020/141096A1 |
A pressure sensor assembly (10) for measuring the pressure of air in a compression ignition internal combustion engine, the pressure sensor assembly comprising: an external housing unit (50); a sensor unit (20) received within the extern...
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WO/2020/126153A1 |
The invention relates to a pressure sensor that is robust with respect to icing and to a method for producing a pressure sensor (1) of this type, comprising the steps: providing a carrier substrate (2), through which a pressure channel (...
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WO/2020/120593A1 |
The invention relates to a sensor arrangement (0) with a piezoelectric sensor (1) and a measuring amplifier (3), the piezoelectric sensor (1) being electrically connected to the measuring amplifier (3), the piezoelectric sensor (1) provi...
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WO/2020/114984A1 |
The invention relates to a method for anticipating the appearance of smooth combustion in a heat engine. An angular range (F) for detection is split into a plurality of intervals (I) with an identification of the interval (Iid) in which ...
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WO/2020/105074A1 |
The objective of this invention is to remove piezoelectric element drift and thereby obtain a highly accurate pressure detection signal, by means of a simple configuration. A pressure detection signal processing device 200 comprises: a c...
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WO/2020/088929A1 |
A method for calibrating a knock detection system (1) for an engine (10) is described. The method comprises, for each of a plurality of cylinders (11) and each of a plurality of engine operating points: receiving (120) cylinder pressure ...
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WO/2020/078956A1 |
A method for monitoring glow ignition in an internal combustion engine comprises: monitoring a crankshaft speed of said engine over a detection window corresponding to a crankshaft deceleration phase related to a compression stroke in a ...
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WO/2020/039740A1 |
[Problem] To enhance detection precision even when a pressure wave including transverse wave oscillation is received. [Solution] A pressure sensor 1 is provided with a diaphragm 2, a pressure transmission rod 3 having an element installa...
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WO/2020/025952A1 |
A method for making a housing that defines a cavity for a pressure sensor, the method comprising: providing a bulk of material that will form the housing; focusing a radiation beam on internal portions of the bulk of material so as to mo...
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WO/2020/007575A1 |
The invention relates to an internal combustion engine (1), having at least one cylinder wall (3a) forming a cylinder (4a), and having at least one knock sensor (10a) held on a housing element (2), wherein the knock sensor (10a) is fixed...
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WO/2020/005135A1 |
The present invention relates to a method performed by a control device (100) for determining manifold pressure in a manifold configuration (M) in connection to individual cylinders (C1, C2, C3, C4, C5, C6) of an internal combustion engi...
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WO/2020/005134A1 |
The present invention relates to a method for determining reliability regarding misfire determination of cylinders of an internal combustion engine. The method comprises the step of detecting the pressure in the exhaust manifold arrangem...
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WO/2019/233954A1 |
The present invention provides a knock sensor, which comprises a sensor head, a sensor cable and an injection portion. The sensor cable comprises a wire electrically connected to the sensor head and an insulating layer enclosing the wire...
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WO/2019/226847A1 |
A variable inductance force transducer (100) includes a variable inductor including an induction coil (120) having a wire (311) configured as a plurality of turns with a hollow center having an inner opening. An inner core (115) is withi...
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WO/2019/213341A2 |
An overpressure indicator is defined by a housing sized and configured for attachment within a compartment interior, such as an aircraft nacelle. A pressure sensing element disposed within the housing is coupled to an indicator element a...
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WO/2019/143518A2 |
An electronic device for use in a vehicle includes a battery sensor to detect a battery voltage and a processor in communication with the battery sensor. The processor is configured to sample the battery voltage detected by the battery s...
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WO/2019/130624A1 |
[Problem] To provide a connector for a sensor that is compatible with a wide range of sensor units and makes it possible to enhance production efficiency. [Solution] This connector 2 for a sensor comprises terminal modules 5, 5, … that...
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WO/2019/101650A1 |
The invention relates to a method for operating an internal combustion engine (1) having at least one combustion chamber (3), wherein a structure-borne sound signal is detected time-dependently for the at least one combustion chamber (3)...
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WO/2019/102781A1 |
The present invention prevents a heat reception part from falling from a diaphragm. This pressure sensor comprises a cylindrical housing, a diaphragm that blocks an opening on the distal end side of the housing and bends in response to p...
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WO/2019/103685A1 |
The present disclosure relates to power tool communication system (1) comprising a hand-held power tool (4) and an external communication device (3), where the hand-held power tool (4) comprises a tool communication unit (2) and a combus...
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WO/2019/081103A1 |
The invention relates to a pressure sensor (10, 10A) for a person protection system of a vehicle, comprising a sensor housing (20) and a base plate (12) arranged within the sensor housing (20), on which base plate a measuring unit (14) i...
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WO/2019/079689A1 |
Systems, methods, and apparatuses for taking pressure measurements are provided. A multi-hole pressure sensor probe can include a probe tip having a plurality of probe tip holes. The probe tip holes can lead to probe tip channels that co...
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WO/2019/070690A1 |
A detonation pickup testing system, comprising: (i) apparatus for coupling to at least one terminal of a detonation pickup; and (ii) a computational system, for communicating with the pickup via with the apparatus, to test at least one c...
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WO/2019/063714A2 |
Disclosed is a pressure sensor for measuring relative or absolute pressure. Said sensor is equipped with an additional heating element (H, A-F) in order to eliminate impeding media.
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WO/2019/063717A1 |
Disclosed is a pressure sensor for measuring relative or absolute pressure. Said sensor is equipped with an additional heating element (H, A-F) in order to eliminate impeding media.
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