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Matches 1 - 50 out of 1,877

Document Document Title
WO/2011/159380
An apparatus for measuring pressure comprises a housing and an actuator pressure sealed to the housing and having a shaft. The actuator is configured to be in pressure communication with a volume of gas or liquid. Upon a change in pressu...  
WO/2011/153604
A fault indicator for indicating the occurrence of a rapid pressure surge within a housing of an electrical device has: a barrel capable of being mounted in an aperture of the housing; an actuating mechanism having a chamber with at leas...  
WO/2011/126433
Pump system comprising a pump, an injector and a regulator with a calculation unit, which regulator is adapted to controlling said pump by a control signal to pump a liquid through a hose to said injector which opens and closes in respon...  
WO/2011/123211
A pressure sensor (10) for sensing a pressure of a process fluid includes a sensor body (23) exposed to the pressure of the process fluid. The sensor body (23) deforms in response to the pressure. A diaphragm (16) suspended from the sens...  
WO/2011/117122
The invention relates to a method for handling uncontrolled combustion in an internal combustion engine of a motor vehicle, the uncontrolled combustion occurring independently of ignition by a spark plug and being detected in/or on the i...  
WO/2011/105084
The disclosed combustion pressure sensor is provided with: a cylindrical outer housing (2) with an opening in the front end (2s); a cylindrical sensor housing (3) which, accommodated inside said outer housing (2), is joined at the front ...  
WO/2011/099445
A sensor for detecting in-cylinder pressure has a simple configuration, can be replaced easily, and is not affected by temperature. A sensor (1) for detecting in-cylinder pressure, the sensor (1) being mounted to an engine (11) and detec...  
WO/2011/090426
The present invention relates to a device for analysing a cylinder wise performance of an internal combustion engine, comprising ion current measurement means that are arranged to measure an ion current in a engine and that are also arra...  
WO/2011/080424
The invention relates to an ignition and pressure measurement device comprising a spark plug (2) having: an outer body (14); a pressure sensor (34) mounted on said outer body (14) and comprising a signal output terminal (38); a supportin...  
WO/2011/080424
The invention relates to an ignition and pressure measurement device comprising a spark plug (2) having: an outer body (14); a pressure sensor (34) mounted on said outer body (14) and comprising a signal output terminal (38); a supportin...  
WO/2011/061014
The invention relates to a method for recognizing uncontrolled combustion in a combustion engine which occurs independently of ignition by a spark plug, wherein the pressure vibrations in the combustion chamber triggered by the combustio...  
WO/2011/042795
An integrated fluid pressure sensor system includes a printed circuit board (20), a pressure manifold (18) having a pressure source (22), and a sensor (4). The printed circuit board may be coupled to a pressure manifold. The printed circ...  
WO/2010/149501
The invention relates to a pressure sensor measuring element (26) for a pressure sensor (10) for detecting the pressure in a combustion chamber of an internal combustion engine during operation of the latter, having a separating diaphrag...  
WO/2010/145877
The invention relates to a combination sensor (1) for a combustion engine (2), in particular for a motor vehicle (3), comprising a housing (4), a sensor (5) for detecting a pressure of a fluid in a tube (10), a sensor (6) for detecting a...  
WO/2010/136229
The invention proposes a device (110) for registering a combustion chamber pressure of an internal combustion engine, in particular a spark ignition engine. The device (110) comprises a sensor housing (124) which is designed to be insert...  
WO/2010/108777
The invention relates to a method for operating an internal combustion engine (10) with direct injection, wherein the internal combustion engine can be operated in a first operating mode in which, at an ignition time, air and fuel are di...  
WO/2010/066956
This device comprises an outer casing having: a first tubular zone (16) to the inside of which a finger (4) is fastened; a second tubular zone (40) of larger outside diameter than that of the first tubular zone (16) and extending the fir...  
WO/2010/066956
This device comprises an outer casing having: a first tubular zone (16) to the inside of which a finger (4) is fastened; a second tubular zone (40) of larger outside diameter than that of the first tubular zone (16) and extending the fir...  
WO/2010/065286
A pressure sensor (56) includes a fill tube (93) which is arranged to couple to a process pressure. A sensor (98) is coupled to the fill tube (93) and is configured to measure pressure of fluid in the fill tube (93) as a function of a ch...  
WO/2010/065286
A pressure sensor (56) includes a fill tube (93) which is arranged to couple to a process pressure. A sensor (98) is coupled to the fill tube (93) and is configured to measure pressure of fluid in the fill tube (93) as a function of a ch...  
WO/2010/057571
The invention relates to a method for correcting the drift of a signal (sb) from a sensor for measuring the pressure in a cylinder of an internal combustion engine, wherein the signal can be assimilated with a straight line corresponding...  
WO/2010/050544
A method for correcting the output characteristics of an in-cylinder pressure sensor cannot attain a sufficient correction accuracy because a reference pressure used for the correction is measured when an intake valve or an exhaust valve...  
WO/2010/040239
The invention relates to a sensor membrane, particularly for a pressure or force sensor (1). Said membrane is delimited by an outer edge (4) and an inner edge (5), wherein the outer edge (4) is connected in a pressure-resistant manner to...  
WO/2010/037588
The invention relates to a method for detecting a knocking occurrence during a switching process between operating modes of an internal combustion engine (2). The method comprises the following steps: - recording a course of an acoustic ...  
WO/2010/026316
The invention relates to a device including a pressure sensor (11-13) for measuring pressures inside the combustion chamber of a cylinder in an internal combustion engine, said device including: an outer body (1); a lug (5) extending par...  
WO/2010/026315
The invention relates to a device for measuring pressures inside an internal combustion engine, which comprises an outer housing having: a first tubular area (16) in which a lug (4) is received and a second tubular area (40) having an ou...  
WO/2010/013734
Provided are a piezoelectric module having a high response and an excellent durability, suitably used for a pressure sensor and the like, and an internal combustion engine and a glow plug which use the piezoelectric module. The piezoelec...  
WO/2010/000087
The invention relates to a spark plug, which with respect to the basic design thereof is intended for combustion engines and comprises a metal housing (2) having a ground electrode (3) disposed at the front and a thread (21) having a rea...  
WO/2009/155944
The invention relates to a measuring apparatus for measuring the reaction forces between a piston (4) and a cylinder line (3) of a reciprocating piston internal combustion engine, comprising a cylinder carrier (1), a cylinder liner (3), ...  
WO/2009/146565
The invention relates to a pressure sensor 1 for measurements in a chamber 29 of an internal combustion engine, in particular a pressure-measuring glowplug. This pressure sensor 1 comprises a housing 2, a pressure element 3 for picking u...  
WO/2009/128084
The present invention relates to high sensitivity elastic deflection sensors, more particularly related to capacitively coupled FET based elastic deflection sensors. A sub-threshold elastic deflection FET sensor for sensing pressure/forc...  
WO/2009/125422
The present invention relates to a Sub-threshold Field Effect Transistor (SF-FET). The invention integrates a MEMS mechanical transducer along with the sensing mechanism in a single device. Forced mass is capacitively coupled onto the FE...  
WO/2009/109164
A device for detecting combustion anomalies of an internal combustion engine, comprising at least one power supply (1), at least one ion current amplifier (2), at least one signal filter (3), at least one ion current signal output (4), a...  
WO/2009/106557
The invention relates to the processing of a knock sensor signal during the detection of knocking in a combustion engine. In order to allow for inexpensively designed, efficient, and accurate bandpass filtering, a signal processing devic...  
WO/2009/106732
This spark plug comprises: a central electrode (2), an insulating core (8) carrying the central electrode (2), an exterior body (6) inside which the insulating core (8) is mounted, the insulating core (8) having, on the one hand, a regio...  
WO/2009/096056
An output compensator that can compensate offset drift of an in-cylinder pressure sensor, and an in-cylinder pressure detector that can accurately detect the in-cylinder pressure in an internal combustion engine using this output compens...  
WO/2009/092888
The invention relates to a spark plug (10) comprising an in-built combustion sensor. It comprises an assembly with a central electrode (16) with a connection stem (40) at one end and a central electrode (84) with a sparking surface at th...  
WO/2009/092888
The invention relates to a spark plug (10) comprising an in-built combustion sensor. It comprises an assembly with a central electrode (16) with a connection stem (40) at one end and a central electrode (84) with a sparking surface at th...  
WO/2009/070887
An apparatus is provided for recording information about an event resulting in application of a force to a body. The apparatus comprises data recording means for recording the information, sensor means for sensing a parameter which enabl...  
WO/2009/067833
The invention relates to a part (2) to be mounted into force or pressure sensors. Said part (2) comprises an annular measuring element (2) made of piezoelectric material, first and second electrodes (4, 4') that rest against both sides o...  
WO/2009/067833
The invention relates to a part (2) to be mounted into force or pressure sensors. Said part (2) comprises an annular measuring element (2) made of piezoelectric material, first and second electrodes (4, 4') that rest against both sides o...  
WO/2009/056878
A spark plug having an integral gasoline combustion sensor is disclosed. The spark plug includes a center electrode assembly with a terminal stud at one end and a center electrode with a sparking surface at an opposite end; a generally t...  
WO/2009/056878
A spark plug having an integral gasoline combustion sensor is disclosed. The spark plug includes a center electrode assembly with a terminal stud at one end and a center electrode with a sparking surface at an opposite end; a generally t...  
WO/2009/050002
The invention relates to a device for providing an amplified sensor signal of a knock sensor, comprising an analog amplifier for amplifying the sensor signal according to a first predefined amplification factor; an analog/digital convert...  
WO/2009/042266
An aircraft engine includes a cylinder assembly knock detection and control system having a set of knock detection sensors and an engine controller. Each cylinder assembly of the aircraft engine carries a knock detection sensor and each ...  
WO/2009/031378
An engine ECU executes a program including the steps of: extracting vibration intensities of a plurality of frequency bands from vibration detected by a knock sensor, multiplying the extracted vibration intensity of each frequency band b...  
WO/2009/019834
Provided is a pressure sensor having improved measurement accuracy. The pressure sensor is provided with a pressure receiving means having a displacement section which is displaced in accordance with pressure applied to the pressure rece...  
WO/2009/020016
An output signal of a knock sensor is filtered with a plurality of band-pass filters to extract vibration waveform components of a plurality of frequency bands (fl-f4). Weighting coefficients (G1-G4) which multiply the vibration waveform...  
WO/2009/015941
The invention relates to a piezoelectric pressure sensor (1) comprising piezoelectric measurement elements (3) integrated into a housing (2) and a membrane element (4) disposed on the pressure side at the housing (2). Said membrane eleme...  
WO/2009/016030
The invention relates to a force sensor comprising a first and a second housing part (1, 2) which are pretensioned one against the other by means of a tensioning sleeve (4) arranged in a central borehole (5) of the two housing parts (1, ...  

Matches 1 - 50 out of 1,877