| Document |
Document Title |
|
WO/2011/080424A2 |
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/2011/061014A1 |
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/2011/042795A1 |
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/2010/149501A1 |
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/2010/145877A1 |
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/2010/136229A1 |
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/2010/108777A1 |
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/2010/066956A1 |
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/2010/065286A1 |
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/2010/057571A1 |
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/2010/050544A1 |
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/2010/040239A1 |
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/2010/037588A1 |
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/2010/026316A1 |
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/2010/026315A1 |
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/2010/013734A1 |
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/2010/000087A1 |
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/2009/155944A1 |
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/2009/146565A1 |
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/2009/128084A1 |
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/2009/125422A1 |
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/2009/109164A1 |
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/2009/106557A1 |
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/2009/106732A1 |
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/2009/096056A1 |
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/2009/092888A2 |
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/2009/070887A1 |
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/2009/067833A2 |
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/2009/056878A2 |
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/2009/050002A1 |
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/2009/042266A1 |
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/2009/031378A1 |
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/2009/020016A1 |
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/2009/019834A1 |
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/2009/015941A1 |
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/2009/016030A1 |
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, ...
|
|
WO/2009/013117A2 |
The invention relates to a method for operating an internal combustion engine having at least one injection valve (10) which, in the region of an associated cylinder of the internal combustion engine, is mechanically coupled to the cylin...
|
|
WO/2008/153213A1 |
A waterproof connecting structure for a pipe for connecting an intake passage of an internal combustion engine and an external gas detector to convey gas into the intake passage. The structure includes a connecting space (14) to which th...
|
|
WO/2008/149832A1 |
An engine ECU executes a program including the steps of: detecting a magnitude of vibration of an engine (S 102); detecting a vibration waveform of the engine based on the magnitude (S 104); calculating a correlation coefficient K, in th...
|
|
WO/2008/142200A2 |
An indicator arrangement according to the invention also comprises a resistor (4) the first end of which is connected to between a passive acceleration sensor (1) and a filtering means (2) and the other end is connected to a basic voltag...
|
|
WO/2008/142199A2 |
The method according to the invention comprises steps for recognizing a fault in a system used in connection with a piston engine. Amonitoring step (31) of the method is carried out for monitoring the amplitude fluctuation of the signal ...
|
|
WO/2008/139113A2 |
The invention relates to a method for estimating the level of ethanol in a fuel injected into an internal combustion engine over a number (n) of cycles (n being an integer greater than or equal to 1). The method comprises the following s...
|
|
WO/2008/128829A1 |
The invention relates to a method and a device for measuring pressure in a measuring chamber (10), wherein the deflection of a membrane (12) in operative connection with the measuring chamber is determined for measuring the pressure usin...
|
|
WO/2008/122842A1 |
A detector circuit for detecting the presence of a remote capacitive sensor having at least two terminals connected via a protection circuit that includes one or more capacitors, the detector circuit comprising: a current supply for chan...
|
|
WO/2008/107007A1 |
A device (D) is dedicated to the processing of analogue pinking signals (S1) delivered by a sensor of an internal combustion engine coupled to an engine monitoring unit. This device (D) comprises processing means (MT) responsible for con...
|
|
WO/2008/090312A1 |
The present invention relates to an internal combustion engine comprising a cylinder (12); a piston (11) reciprocating in the cylinder (12) and defining with the cylinder (12) a combustion chamber (10). First (14) and second (16) poppet ...
|
|
WO/2008/090100A1 |
The invention relates to an engine cylinder head, mainly for a diesel engine, that comprises at least one body (1) having an essentially planar area (8), or cylinder head, capable of closing at least one combustion chamber (6) of said en...
|
|
WO/2008/080727A1 |
The invention relates to a sensor (1) connected to an internal combustion engine (2) and comprising a base body (3), an expansion sensor element (11) and a structure-borne noise sensor element (12). The structure-borne noise sensor eleme...
|
|
WO/2008/074547A1 |
The invention relates to a pressure gauge (1) for arrangement in a chamber of an internal combustion engine. Said pressure gauge (1) comprises a force transmission element (5), protruding partially out of a housing (3) at an opening on t...
|
|
WO/2008/071022A1 |
The invention relates to an adapter for pressure sensors for monitoring long-term cylinder pressures in internal combustion engines, said adapter comprising a housing 1 with a gas duct 2, a connection 3 to a cylinder cover of an internal...
|
