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WO/2006/027285A1 |
Disclosed is a method for correcting a measured cylinder pressure of an internal combustion engine in which a cylinder pressure sensor (16) is connected to a combustion chamber (4) via a duct (21). According to the inventive method, inte...
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WO/2006/027280A1 |
The invention relates to a device for detecting the pressure prevailing in a combustion chamber of a self-igniting internal combustion engine. In said device, a pressure sensor (18) is accommodated in a sheath-type glow plug (1) encompas...
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WO/2006/011624A1 |
A knocking determining apparatus of an internal combustion engine that includes an in-cylinder injector (11) and an intake port injector (12) and that determines knocking based on an output signal of a knock sensor (34). The knocking det...
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WO/2006/004419A1 |
The invention relates to a pressure sensor for measuring dynamic pressure changes, and a system comprising this sensor, wherein the pressure has a defined main direction relative to the sensor. The sensor comprising a plate being adapted...
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WO/2005/116429A1 |
A sensor unit (1) has a unit body (21) installed on a throttle device (2) and a pressure sensor chamber (26) provided in the unit body (21) and receiving and holding an inlet air pressure sensor (32) for detecting an inlet air pressure t...
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WO/2005/116528A1 |
The invention relates to a pencil-type glow plug (1) for an internal combustion engine, essentially comprising a housing (2) and a pencil-type glow plug (3) arranged in said housing (2), and a gas channel (11, 12) for measuring the press...
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WO/2005/113969A1 |
A device and a method for determining the trouble of a cylinder pressure sensor. The device accurately detecting the trouble of the cylinder sensor without increasing cost calculates the cylinder pressure of an internal combustion engine...
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WO/2005/103638A1 |
A pressure indicator includes a housing and a diaphragm held by the housing. The diaphragm has a diaphragm surrounding wall defining an interior, an open end, and a closed end. The closed end has a first side, an opposite second side, an...
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WO/2005/103465A1 |
A turbine nozzle segment, a turbine nozzle, a turbine, and a gas turbine engine. The turbine nozzle segment comprises a circular arc outer band (39), a circular arc inner band (41), one sheet of thick-walled stator (43) having, therein, ...
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WO/2005/103466A2 |
An engine ECU executes a program including the steps of: detecting a waveform of vibration of an engine at a predetermined knock detection gate (S100); determining whether a detected vibration's waveform and a knock waveform model stored...
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WO/2005/085788A1 |
The invention relates to a device for detecting the combustion chamber pressure in an internal combustion engine, which is configured in such a way that the combustion chamber pressure can be detected in a reliable, reproducible manner. ...
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WO/2005/085787A1 |
The invention relates to a device for detecting the combustion chamber pressure in an internal combustion engine, which is configured in such a way that the combustion chamber pressure can be detected in a reliable, reproducible manner. ...
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WO/2005/068829A1 |
Disclosed is a device for igniting an air-fuel mixture in a combustion engine by means of a high-frequency resonator (1) wherein a coaxial wave guide structure is provided as a high-frequency resonator (1). A microwave plasma can be prod...
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WO/2005/068986A1 |
Disclosed are a method and a device for detecting the pressure or difference in pressure of a gas or gas mixture in the zone of a high frequency resonator (5). According to the invention, a high-frequency AC voltage is fed into the high ...
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WO/2005/064298A2 |
The invention relates to a pressure sensor consisting of a membrane that separates a measuring device for recording the pressure-related membrane deformation from the pressurised pressure chamber. Said pressure sensor is formed by a base...
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WO/2005/062013A1 |
The invention relates to a pressure sensor comprising a membrane (1) which be moved or deformed in a variable manner as a result of pressure differences. The structure of the pressure sensor is such that it can also be used advantageousl...
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WO/2005/045319A1 |
The invention relates to a sheathed-type glow plug for an internal combustion engine, essentially comprising a plug housing and a connecting bolt that is disposed inside said plug housing and is electrically connected to a ceramic glow p...
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WO/2005/031295A2 |
The invention concerns an element (6, 7) for a sensor (1) comprising a piezoelectric element (4) adapted to be arranged in the sensitive stack (2) of the sensor (1), comprising centering members (12, 13, 14) configured to prevent any off...
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WO/2005/026530A1 |
An arrangement with an injection valve (7) is disclosed, arranged in a cylinder head (1) and which permits the recording of the pressure in the combustion chamber (21) of an internal combustion engine (22). A pressure sensor (16) is thus...
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WO/2005/026534A1 |
The invention relates to a pencil-type glow plug for a combustion engine, essentially comprised of a plug housing and of a connecting pin, which is placed inside the plug housing, and relates to a glow pencil that can brought into contac...
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WO/2005/003713A2 |
A sensor head characterizes unsteady pressures in a fluid flowing within a pipe,as may be caused by one or both of acoustic waves propagating through the fluid within the pipe and/or pressure disturbances that convect with the fluid flow...
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WO/2004/099750A1 |
The invention relates to a method for determining the energy (KNKE) of the knock of an internal combustion engine, using an analog signal supplied by a sensor fixed to said engine. The inventive method comprises the following steps: a) t...
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WO/2004/092650A2 |
An apparatus and method to sense the onset of combustion stability is presented. An electrode is positioned in a turbine combustion chamber such that the electrode is exposed to gases in the combustion chamber. The electrode may be integ...
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WO/2004/083618A1 |
A throttle body has a suction path (16) where a throttle valve is provided, a pressure-introducing path hole (112) having an opening (46) on the downstream side of the throttle valve in the suction path (16), and a sensor installation po...
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WO/2004/070334A1 |
The invention relates to a measuring sensor held under pre-stress for measuring forces and/or torques. In the inventive embodiment, a sensor is integrated into an adapter sleeve, which is configured in a compact manner in such a way that...
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WO/2004/068097A1 |
A pressure sensor exhibiting stabilized sensitivity even under a high-temperature environment susceptible to a significant pressure variation and mechanical vibration while reducing the size. A diaphragm is provided at the front end part...
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WO/2004/063694A1 |
The invention relates to a method and device for identifying knocking. To this end, a measurement signal of a knock sensor (2) is evaluated during a combustion inside a cylinder of an internal combustion engine in order to determine whet...
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WO/2004/061403A1 |
An apparatus and method to sense the onset of combustion stability is presented. An electrode is positioned in a turbine combustion chamber such that the electrode is exposed to gases in the combustion chamber. A control module applies a...
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WO/2004/061283A1 |
The invention relates to a signal processing device and a control unit for co-operating with a signal processing device, which are suitable for processing the knock signals of an internal combustion engine, said signals being provided by...
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WO/2004/057293A2 |
The invention concerns an apparatus for detecting pressure in an engine combustion chamber comprising a functional member (1) mounted in an orifice (3) of a cylinder head (5) and a pressure sensor (19) axially pressed against one part (1...
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WO/2004/057293A1 |
The invention concerns an apparatus for detecting pressure in an engine combustion chamber comprising a functional member (1) mounted in an orifice (3) of a cylinder head (5) and a pressure sensor (19) axially pressed against one part (1...
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WO2004005688A9 |
The invention relates to a method for operating an internal combustion engine (10), whereby the ambient pressure is determined by means of an ambient pressure sensor (15), and the pressure in a suction tube (11) of the internal combustio...
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WO/2004/042219A2 |
A method and apparatus for real-time measurement of combustion characteristics of each combustion event in each individual cylinder coupled with an ability to control the engine (5) based upon the combustion characteristics are shown. Th...
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WO/2004/031711A1 |
A piezoelectric sensor wherein a transparent piezoelectric device having a piezoelectric property and a pair of transparent conductor film layers opposed to each other with the piezoelectric device interposed therebetween are formed betw...
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WO/2004/025238A1 |
The invention relates to a detonation sensor pertaining to an internal combustion engine and comprising a vibration sensor that can be electronically evaluated. The aim of the invention is to provide one such detonation sensor that is de...
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WO/2004/015385A1 |
In a pressure sensor (A), a piezoelectric element (B) of thin film aluminum nitride is installed on a base material (C) formed of an insulation material, and output electrodes (D, E) for transmitting a signal detected by the piezoelectri...
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WO/2004/001358A1 |
The invention relates to a pressure sensor (10) for use in a device for measuring (high) pressure. Said pressure sensor is configured as a semiconductor pressure sensor and soldered directly onto a support element (5) provided with a fir...
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WO2003031687B1 |
A corrosion proof pressure transducer for measuring exhaust gas pressure includes a chip (42) with a semiconductive diaphragm, electronics, and conductive pads (46) thereon; with leads (48) sonically bonded to the pads. To preclude degra...
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WO/2003/100371A1 |
The invention relates to a pressure measuring device which comprises a housing (9) wherein a carrier (3) with a sensor element (31) and an electric connecting element (34) is arranged . The housing (9) comprises a first chamber (4) which...
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WO/2003/087753A2 |
The invention relates to a device for measuring at least the pressure of a fluid present in a chamber (16), comprising a sensitive element (36) arranged in a housing (38), supported by a joint (10) inserted between two elements (12, 14) ...
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WO/2003/071119A2 |
Sensor apparatus for a multiple layer steel (MLS) cylinder head gasket (10) measures combustion pressures for detecting engine conditions. A membrane (40) is positioned at one end of an elongated metal tube (22), and the membrane end of ...
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WO/2003/062781A1 |
Internal combustion diagnostic sensing devices, systems in which they are used, and methods for their use. The devices operate by detecting pulses created by the exhaust stream of internal combustion engines using a new and novel sensing...
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WO/2003/040677A1 |
The invention relates to a method and a device for blanking out interference noise during knock recording in an internal combustion engine. According to the invention, the following functions are carried out: formation of a sensor signal...
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WO/2003/036252A2 |
The invention concerns physical quantity sensors operating at high temperature, such as sensors used for measuring pressure inside heat engines in vehicles, aircraft or even rockets. The sensor (10) is a micro-machined sensor comprising ...
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WO/2003/019127A1 |
The invention relates to optical devices for measuring pressure or force, comprising an electromagnetic radiation source, and a pressure membrane or a spiral spring which has a surface that at least partially reflects the electromagnetic...
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WO/2002/101228A1 |
The invention relates to a valve for controlling fluids, especially a fuel injection valve, which comprises a valve member (3) disposed in a housing (11), for opening or closing the communication with a down-stream compartment (18). An a...
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WO/2002/084245A1 |
The pressure in a cylinder of a combustion engine is determined on the basis of vibrations in the engine which are generated during movement of the piston. A vibration signal (S) from a vibration sensor (4) situated on a cylinder is filt...
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WO/2002/079745A1 |
The invention relates to a vibration sensor to be indirectly or directly fastened to a vibrating component (12). Said vibration sensor comprises a housing (8) and a pressure cylinder (9) with a bore (10). An annular blocking element (7) ...
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WO/2002/077592A1 |
The invention relates to a device for determining a force, which comprises two elements (E1, E2) that are interconnected by means of an arrangement of springs (F1, F2, Bl). The device is also provided with a position sensor (H, S) for de...
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WO/2002/077586A1 |
The invention relates to a vibration pickup (1) for fixing to a vibration-producing component (18), comprising a piezoelectric element (4) which is arranged in an insulating housing (2). Said vibration pickup (1) is arranged in such a wa...
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