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WO/2014/050999A1 |
A ring-shaped combustion pressure sensor is attached to the outer circumferential surface of the tip of a functional component installed in the combustion chamber of an internal combustion engine. The present invention is provided with a...
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WO/2014/051000A1 |
A method for producing a pressure detection device provided with a cylindrical external case (118) having a diaphragm (120) at the tip, a piezoelectric element (122) which is disposed within the external case (118) and which detects the ...
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WO/2014/046048A1 |
A circular cylindrical pressure detection device is mounted to the front end of a function member of an engine and detects pressure in the cylinder. The pressure detection device comprises: a pressure receiving ring (14) which receives p...
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WO/2014/044352A1 |
The invention relates to a method for processing a signal of a pressure measuring device inside an internal combustion engine, said device comprising: a pressure measuring sensor outputting a voltage signal (SB); and a processing unit co...
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WO/2014/034640A1 |
A combustion pressure sensor comprising a ring-shaped cylinder body is mounted to the front end outer peripheral section of a function component mounted to the combustion chamber of an engine and detects the combustion pressure in the co...
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WO/2014/034641A1 |
A pressure detection device configured in a circular cylindrical shape is mounted to the outer periphery of the front end of a function member mounted so as to face the combustion chamber of an engine, and the pressure detection device d...
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WO/2014/010246A1 |
Provided is a spark plug internally provided with a pressure sensor that can be mounted to a combustion chamber without the need for any particular additional work. A spark plug having a cylindrical insulator part and an electroconductiv...
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WO/2013/179752A1 |
[Problem] To suppress variations in measurement result, which are caused by minute changes in the direction of pressure. [Solution] The sectional line of a protrusion (46A) in each of two partial regions (41α, 41β) disposed on both sid...
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WO/2013/167422A1 |
The invention relates to a membrane assembly for a pressure measuring device for determining a pressure in a combustion chamber of an internal combustion engine. The membrane assembly is accommodated in a housing of the pressure measurin...
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WO/2013/164273A1 |
The invention relates to a method for determining an offset of an output signal of an evaluation circuit integrated in a sensor, preferably of a combustion chamber pressure sensor (8) installed in a combustion chamber (3) of an internal ...
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WO/2013/157979A1 |
The invention relates to the field of measurement and monitoring equipment and is intended for measuring, monitoring and signalling a departure from a set range of physical magnitudes. The system for remote measurement and monitoring com...
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WO/2013/154491A1 |
The present invention relates to an ignition system (T) for a combustion engine, the internal combustion engine comprising a control system, the ignition system (T) further comprising a power source (30), at least one ignition coil (10, ...
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WO/2013/147260A1 |
A pressure detection device is provided with: a tube-shaped housing (30); a diaphragm (40) which is provided on the front end side of the housing (30); a piezoelectric element (10) which is disposed within the housing (30) along the axia...
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WO/2013/146915A1 |
[Problem] To provide a piezoelectric ceramic having low hysteresis in an output charge output from the piezoelectric ceramic when a load is applied. [Solution] Provided is a piezoelectric ceramic (20) that is characterized by having a pa...
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WO/2013/137432A1 |
An internal combustion engine fitted with a combustion pressure detection device, comprising: an internal combustion engine having a combustion chamber, and an opening formed in the wall surface configuring the combustion chamber, connec...
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WO/2013/117414A1 |
The invention relates to a pressure measurement device for an internal combustion engine, particularly for determining a combustion chamber pressure. The pressure measurement device comprises a housing (10) in which a sensor membrane (19...
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WO/2013/119178A1 |
This invention relates to an engine for a vehicle using alternative fuel, preferably gas, comprising an engine (5) having a spark ignited ignition system (2) wherein said ignition system (2) includes misfire detection by means of a senso...
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WO/2013/117419A1 |
The invention relates to a pressure measuring device for a combustion chamber pressure sensor for an internal combustion engine. The pressure measuring device comprises a retaining part (12) which has a support surface (16) for a signal ...
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WO/2013/115124A1 |
A mounting substrate (210) is provided with: an integration circuit (213), which integrates an input charge (Qi) obtained from a piezoelectric element (10) and converts the input charge into a piezoelectric signal; an amplifying circuit ...
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WO/2013/115712A1 |
A method for extracting characterizing features from an ion current trace retrieved from spark plugs of cylinders of an internal combustion engine, comprises the steps of: i. dividing the ion current signal into crank angle subintervals;...
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WO/2013/087506A1 |
A pressure-measuring device for detecting a combustion chamber pressure of an internal combustion engine, in particular a pressure-measuring glow plug, is proposed. The pressure-measuring device comprises a pressure transducer (21), a pr...
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WO/2013/084627A1 |
The invention of the present application relates to a differential pressure detection device for detecting differential pressure in an exhaust pipe line of an engine. A differential pressure type flow meter (47) measures an exhaust gas f...
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WO/2013/079661A2 |
The invention relates to a pressure-measuring device for sensing a pressure in a combustion chamber (26) of an internal combustion engine with a force-transmitting body (12) which is arranged in a housing (14) and is exposed to the combu...
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WO/2013/045288A1 |
A method of ion sensing in a capacitive discharge ignition (CDI) system for an internal combustion engine comprises: a) closing the controllable switch (SI) in synchronism with the internal combustion engine for a period of time to trans...
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WO/2013/013953A1 |
Measurement device for measuring a pressure with a measurement body. The invention indicates a measurement device for measuring a pressure, which has a reliable measurement behavior and a simple structure. This is achieved in that the me...
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WO/2013/008418A1 |
This lead-free piezoelectric ceramic composition is mainly composed of a first crystal phase (KNN phase) and a second crystal phase (NTK phase). The first crystal phase (KNN phase) is composed of a plurality of crystal grains that are fo...
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WO/2013/003965A1 |
The concept on which the invention is based relates to a method for connecting a diaphragm (7) to a housing (4) of a pressure or force sensor (1), wherein a measurement element (5) is attached in the housing (4), which measurement elemen...
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WO/2012/168137A2 |
A battery system (10) having at least two storage cells (14) and a degassing system (40) which is connected in a fluid-conducting fashion to the storage cells (14) is described, which battery system (10) comprises at least one signal gen...
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WO/2012/165486A1 |
[Problem] To provide a pressure sensor, which does not easily generate peeling of a piezoelectric film due to repeated loading, and has excellent durability. [Solution] This pressure sensor includes a first electrode (11) and a second el...
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WO/2012/158214A2 |
Composite films comprising an organic salt (or GUMBOS) such as l-n-butyl-2,3-dimethylimidazolium hexafluorophosphate and a polymer such as cellulose acetate are prepared. These films are useful in detecting vapors of volatile organic com...
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WO/2012/157153A1 |
Provided is a knocking sensor having good insulation characteristics even at an operating temperature of 150 °C or more and being excellent in knocking detection characteristics. The knocking sensor comprises a sensor main body (10) and...
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WO/2012/146430A1 |
The invention proposes an apparatus for detecting a pressure, in particular in a combustion space of an internal combustion engine. The apparatus has a housing (10) and an adapter element (26), which is mounted in the housing (10), for a...
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WO/2012/146429A1 |
The invention proposes an apparatus for detecting a pressure, in particular in a combustion space of an internal combustion engine. The apparatus has a housing (10) and an adapter element (26), which is mounted in the housing (10), for r...
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WO/2012/131788A1 |
A cylinder internal-pressure sensor is provided with: a housing unit (2) which is formed from an outer cylinder section (2e) and an inner cylinder section (2i) obtained by forming elastic portions (2es, 2is), having elasticity in the axi...
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WO/2012/132450A1 |
A cylinder internal-pressure sensor is provided with: a housing unit (2) which is formed from an outer cylinder section (2e) and an inner cylinder section (2i) obtained by forming elastic portions (2es, 2is), having elasticity in the axi...
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WO/2012/126880A1 |
An insulator (1) for a sparkplug with a sensor function has an insulator upper part (2) and an insulator lower part (4) facing the combustion chamber. In order to be able to have a large degree of freedom for setting the spark position a...
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WO/2012/119142A1 |
A compression sensor gasket assembly includes a pressure sensor assembly having an annular, radially extending pressure sensor seal seat and a gasket body having opposite sides extending between an opening configured to register with a c...
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WO/2012/114380A1 |
Provided is a knocking sensor having favorable insulation properties even at usage temperatures of 150°C and higher, and having superior knocking detection precision. A knocking sensor (10) comprises a sensor body (20) and a resin moldi...
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WO/2012/115036A1 |
In an in-cylinder pressure detecting device of a fuel direct injection type internal combustion engine, an annular pressure detecting element (34) is installed around a fuel injection hole (33b) at a position close to the tip end of an i...
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WO/2012/110160A1 |
The invention provides a vibration pickup (1), in particular an impact sensor (1), having: a pressure sleeve (2) which comprises a sleeve section (3) and a contact section (4), wherein the pressure sleeve (2) can be operatively connected...
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WO/2012/085143A1 |
The invention concerns a glow plug comprising a heating rod (11), a plug body, a mounting device for mounting the heating rod, permitting axial translation movements of the heating rod relative to the plug body, a load sensor which is in...
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WO/2012/084466A1 |
The invention relates essentially to a system for monitoring the operation of a motor vehicle internal combustion engine comprising at least two measurement devices (1), each measurement device (1) being configured to taken an analogue m...
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WO/2012/031964A1 |
The invention relates to a method and a circuit for processing a signal supplied by a piezoelectric sensor (10) indicating the cylinder pressure of a piston engine such as a heat engine. Undesirable variations in the value of the signal ...
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WO/2012/016811A1 |
An apparatus for sensing a combustion chamber pressure in a combustion chamber (112) in an internal combustion engine is proposed. The apparatus comprises at least one housing (124), an adaptor element (142) held in the housing (124) and...
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WO/2011/159380A1 |
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...
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WO/2011/153604A1 |
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...
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WO/2011/126433A1 |
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...
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WO/2011/123211A1 |
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...
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WO/2011/105084A1 |
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 ...
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WO/2011/099445A1 |
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...
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