Patents
Patents for G01L 23 - Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid (3,845)
07/2005
07/12/2005US6917285 Tire blow-out detector
07/12/2005US6915780 Combustion pressure data collection system for multi-cylinder engine
07/07/2005WO2005062013A1 Pressure sensor with an ir radiation sensor
06/2005
06/30/2005DE10215252B4 Verfahren zur Messung des wiederholbaren und des nicht wiederholbaren Schlages eines rotierenden Bauteils, insbesondere des Rotors eines Spindelmotors, und Vorrichtung zur Durchführung des Verfahrens A process for measuring the repeatable and non-repeatable shock of a rotating component, in particular of the rotor of a spindle motor, and device for carrying out the method
06/29/2005EP1548418A1 Calibration system of the pressure measuring chain in a automotive vehicle Diesel engine cylinder
06/28/2005US6912460 Method for detecting knock in an internal combustion engine
06/22/2005CN1630778A Method for checking the operability of an ambient pressure sensor of an internal combustion engine
06/16/2005US20050126262 Pressure sensor apparatus for measuring pressures including knock conditions in engine cylinders
06/16/2005DE102004049899A1 Drucksensor mit Sensorchip und Signalverarbeitungsschaltkreis auf einer gemeinsamen Trägersäule Pressure sensor with the sensor chip and signal processing circuitry on a common support column
06/09/2005US20050125140 System for calibrating apparatus for acquiring the pressure in a motor vehicle diesel engine cylinder
06/09/2005DE10352860A1 Analysis method for measured data from internal combustion engine, comprises classifying data by screening and generating function to define knock determination quality criteria
06/01/2005EP1535036A1 Detonation sensor
05/2005
05/26/2005WO2005031295A3 Sensor comprising a piezoelectric element
05/26/2005US20050114071 Method and system for using eddy current transducers in pressure measurements
05/25/2005CN2702291Y Supercharger pressure measuring instrument for supercharged engine
05/19/2005WO2005045319A1 Sheathed-type glow plug comprising an integrated pressure sensor
05/19/2005US20050103115 Pressure measuring device
05/19/2005US20050103113 Pressure sensor
05/19/2005US20050103111 Pressure sensor having sensor chip and signal processing circuit mounted on a common stem
05/19/2005US20050103110 Integrated pressure and temperature sensor
05/18/2005EP1531324A2 Knocking determination apparatus for internal combustion engine
05/18/2005CN2700858Y Oil collecting equipment
05/18/2005CN1616940A Pressure sensor having sensor chip and signal processing circuit mounted on a common stem
05/18/2005CN1616811A Knocking determination apparatus for internal combustion engine
05/12/2005WO2004057293A3 Apparatus for pressure detection in an engine combustion chamber
05/12/2005US20050098156 Knocking determination apparatus for internal combustion engine
05/11/2005EP1530037A1 Pressure sensor, method of producing the sensor, and in-cylinder pressure detection structure of internal combustion engine
05/11/2005EP1015855B1 Fuel injectors with integral fiber optic pressure sensors and associated compensation and status monitoring devices
05/10/2005US6889655 Device for controlling the ignition timing for internal combustion engines
05/06/2005WO2005003713A3 Contact-based transducers for characterizing unsteady pressures in pipes
05/04/2005CN2697319Y Piston assembly for active core type lubricant pressure indicator
05/03/2005US6886547 Ignition system with multiplexed combustion signals
04/2005
04/28/2005US20050086999 Sensing assembly and method of making same
04/27/2005CN2695939Y Built-in type mounting device for diesel engine cylinder pressure sensor
04/27/2005CN1609575A Process for monitoring cylinder pressure
04/26/2005US6885966 Device for providing a signal in response to a change of the ambient pressure
04/20/2005EP1524422A1 Process for monitoring cylinder pressure
04/19/2005US6880381 Knock detection device
04/14/2005DE10343146A1 Detecting cylinder pressure and/or faulty ignition and/or knock in internal combustion engine with sensors involves processing signals of revolution rate sensors interacting with crankshaft and/or camshaft in real-time controller
04/14/2005DE102004030567A1 Klopferfassungsgerät für eine Brennkraftmaschine Knock detection apparatus for an internal combustion engine
04/13/2005EP1522834A2 Pressure sensor
04/13/2005EP1521952A1 Pressure measuring device
04/13/2005EP1521907A1 Method for checking the operability of an ambient pressure sensor of an internal combustion engine
04/12/2005US6877482 Knock control apparatus and knock control method for internal combustion engine
04/07/2005WO2005031295A2 Sensor comprising a piezoelectric element
04/07/2005US20050073325 Method and circuit arrangement for offset correction of a measurement bridge
04/07/2005US20050072247 Device for measuring a force; device for measuring a pressure; and pressure sensor
04/07/2005US20050072245 Pressure sensor
04/07/2005DE10342487A1 Glühstiftkerze mit als Drucksensor ausgebildetem Glühstift Glow plug with trained as a pressure sensor glow plug
04/07/2005DE10341335A1 Anordnung mit Einspritzventil und einer Hülse als Druckübertragungsmittel Arrangement with injection valve and a sleeve as a pressure transmitting means
03/2005
03/30/2005EP1519176A1 Combustion pressure data collection system with multi-cylinder engine with charge amplifiers with correction circuits
03/30/2005EP1519175A1 Pressure sensor plug
03/30/2005EP1518098A1 High-pressure sensor comprising silicon membrane and solder layer
03/24/2005WO2005026534A1 Pencil-type glow plug with a glow pencil provided in the form of a pressure sensor
03/24/2005WO2005026530A1 Arrangement with an injection valve and a sleeve as pressure transfer means
03/24/2005US20050062514 Charge signal converting amplifier
03/24/2005US20050061296 Combustion pressure data collection system for multi-cylinder engine
03/24/2005DE10249145B4 Sprachaktiviertes Steuerungssystem auf Lichtkommunikationskanalbasis The voice activated control system on light communication channel basis
03/23/2005EP1517127A2 Charge signal converting amplifier
03/23/2005CN2687647Y Train brake system wind pressure integrated detecting device
03/23/2005CN1598531A Water saturation vapour pressure measuring device and measuring method thereof
03/23/2005CN1194452C Gas pressure and flow control system for flowing gas laser
03/22/2005US6868714 Vibration sensor for fixing directly or indirectly to a vibrating component
03/17/2005US20050056087 Spark generating apparatus having strain gage cylinder pressure measurement feature
03/17/2005DE19841539B4 Anordnung zum Erfassen klopfender Verbrennung in Zylindern von Verbrennungsmotoren Arrangement for detecting knocking combustion in cylinders of internal combustion engines
03/15/2005US6868330 Method of setting the knock detection sensor of a piston engine
03/15/2005US6867691 Knock determining apparatus for internal combustion engine
03/15/2005US6865953 Force sensors
03/15/2005US6865929 Combustion state detection and failure determination apparatus of an internal combustion engine
03/10/2005US20050051136 Wavelet-based artificial neural net combustion sensing
03/10/2005US20050050956 Contact-based transducers for characterizing unsteady pressures in pipes
03/10/2005CA2537223A1 Pressure wave piezoelectric sensor
03/09/2005CN1192164C Device for suppressing engine knocking in internal combustion engines
03/03/2005US20050044959 Gasket having a fiber-optic pressure sensor assembly
03/03/2005US20050044958 Non resonating close coupled probe
03/02/2005EP1510803A1 Non-resonating close coupled probe
03/01/2005US6862517 Method for processing a sensor signal of a knocking sensor for an internal combustion engine
02/2005
02/28/2005CA2479300A1 Gasket having a fiber-optic pressure sensor assembly
02/23/2005CN1584530A Measuring system and inspection for undisassembled IC engine
02/22/2005US6857416 Knocking detecting device for automobile
02/17/2005WO2004092650A3 Method and apparatus for detecting combustion instability in continuous combustion systems
02/17/2005US20050034525 Combustion-chamber pressure sensor having a metallic diaphragm containing a piezoresistive, thin metallic layer
02/17/2005DE10333438A1 Brennraumdrucksensor mit Metallmembran mit piezoresistiver Metalldünnschicht Combustion chamber pressure sensor with metal diaphragm with piezoresistive thin metal layer
02/16/2005CN1580723A Oil collector
02/16/2005CN1189650C Method for detecting sudden and violent vibration in internal combustion engine with ion flow
02/10/2005DE10344080B3 Pressure measuring device for measuring combustion pressure in Diesel engine cylinder fitted to glow plug for detecting combustion pressure acting on glow plug heating rod
02/08/2005US6851411 Knocking index value calculation device and calculation method thereof
02/03/2005US20050022605 Pressure sensor
02/03/2005US20050022582 Engine knock sensor
02/03/2005DE10312491B3 Drucksensor mit Hitzeschild zum Einsatz in Verbrennungskraftmaschinen Pressure sensor with heat shield for use in internal combustion engines
02/03/2005DE10018265B4 Messanordnung zur indirekten Brennraumdrucksensierung einer im Betrieb befindlichen Brennkraftmaschine Measuring system for indirect Brennraumdrucksensierung of an operating internal combustion engine
02/02/2005EP1503195A1 Pressure sensor
02/02/2005CN1573077A Internal combustion engine air intake apparatus with adjustable structure
01/2005
01/26/2005EP1499866A2 Device for pressure measurement, particularly in a combustion chamber of an internal combustion engine
01/26/2005CN1186608C Apparatus for determining detonation for internal combustion engine
01/20/2005DE10327996A1 Engine combustion chamber pulse pressure measurement temperature related error compensation procedure subtracts time delayed flushing phase error signal
01/19/2005EP1498599A1 Cylinder head gasket
01/18/2005US6845312 Method for detecting engine knock
01/18/2005US6843132 Pressure sensor
01/18/2005US6843111 LCC-based strain-gage sensor integrated with cylinder-head gasket
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