Matches 51 - 100 out of 345 < 1 2 3 4 5 6 7 >
Match Document Document Title
7228735 Fluid sensing device with integrated bypass and process therefor  
A micromachined fluid sensing device and a method for its fabrication. The sensing device incorporates a bypass passage, preferably an integral bypass passage within the device, that enables a...
7219544 Thermal-type flow rate sensor and manufacturing method thereof  
In a thermal-type flow rate sensor, a mold material is formed to integrally cover a predetermined range including a circuit chip, connecting parts of connecting wires with a flow rate detecting...
7211873 Sensor device having thin membrane and method of manufacturing the same  
A sensor device for use in an automobile as an airflow sensor is composed of a silicon substrate in which a cavity is formed and a base plate bonded to the silicon substrate. An upper end of the...
7204139 Analytical chip, analytical-chip unit, and analysis apparatus  
An analytical chip is provided with a flow channel ( 5 ), whose section is in a closed shape and through which a fluid sample (Fs) is made to flow, for carrying out analysis regarding the fluid...
7201048 Measuring device for a flow sensor, in particular an air mass sensor for internal combustion engines and method for measuring air flows  
A measuring device for a flow sensor is provided, in which the drift is minimized.
7194920 Sensor probe and pipeline construction and method  
A sensor and carrier device are provided in combination with a pipeline for either placing a sensor element within the flow stream of the pipeline or a device to divert flow outside of the pipeline...
7188519 Device and method for measuring the flow and at least one material parameter of a fluid  
For measuring the flow and the thermal conductivity of a fluid, a sensor is used, which has a first temperature detector for measuring a first temperature and a second temperature detector for...
7181962 Thermal flow sensor  
A thermal flow sensor which is fabricated at a low cost and has improved reliability. Over a cavity ( 7 ) formed in a semiconductor substrate ( 2 ), at least a heating resistance ( 4 ) is formed...
7181963 Thermal flow sensor having streamlined packaging  
A thermal flow sensor has a first, second and third substrate, each having a first side and a second opposite side. The first substrate is connected to the second substrate such that the second...
7150189 Thermal-process-type air-flow-rate sensor  
A sensor element ( 10 ) and sensor supporting body ( 30 ) are fixed on a jig ( 80 ) by adhesive ( 48 ) so that a surface ( 10 A) of the sensor element ( 10 ) and a surface ( 30 A) of the sensor...
7137298 Thermal air flowmeter  
A thermal air flowmeter which improves air flow rate measurement sensitivity, reduces power consumption of a heating element and broadens the measuring range. A heating resistor is provided on...
7107835 Thermal mass flow sensor  
A thermal mass flow sensor is disclosed that includes a housing ( 16 ) having a first sensor region and a second sensor region, a first thin film temperature sensor ( 39 ) formed at the first...
7104126 Thermal type flow rate measuring apparatus  
A flow rate sensor has a problem that a resistance value of a heat generating resistor itself varies and sensor characteristics are changed during use of the sensor for a long term. Also, the...
7096729 Disposable fluid flow sensor  
A disposable fluid flow sensor is disclosed herein, which generally includes a flow channel assembly comprising a flow channel tube in association with a disposable flow channel portion. A sensor...
7095064 Semiconductor sensor with pressure difference adjusting means  
In a semiconductor sensor having a membrane structure, the destruction of the membrane caused by the expansion or contraction of a fluid within a hollow part formed under the membrane while the...
7077002 Method and an apparatus for measuring flow rates  
A device for measuring the flow rate of a fluid confined by a wall member, and wherein the device comprises contacting apparatus for contacting the wall member, the contacting apparatus being...
7069779 Thermal flow sensor having an inverted substrate  
A thermal flow sensor has a first substrate, second substrate and a third substrate, each of which has a first side and a second opposite side. The first substrate is connected to the second...
7059186 Integrated flow sensor for measuring a fluid flow  
An integrated flow sensor for determining a fluid flow is described. It has a first function layer and a second function layer which is applied to the first function layer and is electrically...
7051418 Method of measuring weak gas flows  
Firstly, a supporting frame is produced, whose opening is spanned by an auxiliary layer flush on one side. Following the production of microstructures, flat parts or membranes on the common plane...
7049556 Heating device  
A heating device at least having an electrically insulating film formed on a surface of a substrate, a heating member formed on the electrically insulating film, and a protection film formed over...
7040160 Flow sensor  
A flow sensor is described, in particular for analysis of gas flows, having a substrate and at least one sensor component which is sensitive to a flow of a medium, the sensor component being...
7036369 Thermal flow sensor having recesses in a substrate  
A thermal flow sensor has a first, second and third substrate, each having a first side and a second opposite side. The first substrate is connected to the second substrate such that the second...
7021136 Mass flow meter with symmetrical sensors  
A mass flow meter employs discrete chip-type temperature sensors to sense a fluid flow rate. The sensor can be a semiconductor chip such as SiC or silicon, or thin film tungsten on an AlN...
7010971 Heating resistor type flow-measuring device having a heating resistor and a thermoresistance, whose resistance value varies in response to the ambient temperature  
A heating resistor type flow-measuring device is capable of adjusting heating temperature of a heating resistor according to the ambient temperature as well as making the initial adjustment. A...
7010423 Method for operating an internal combustion engine  
A method and a control unit for operating an internal combustion engine of a motor vehicle are provided, in particular for controlling/regulating the internal combustion engine as a function of an...
6988399 Physical quantity detecting device having second lead conductors connected to the electrodes and extending to the circumference of the substrate  
It is an object of the present invention to provide a simple-structure physical quantity detecting device whose resistance does not vary irrespective of use for long periods, a method for...
6983653 Flow sensor having thin film portion and method for manufacturing the same  
A flow sensor for detecting flow of fluid includes a thin film portion. The thin film portion has a heater and a detector for detecting temperature around the heater. The heater is made of...
6981410 Flow sensor and method of manufacturing the same  
A flow sensor includes a substrate, an electrical insulating film, and a flow velocity detection mechanism. In the substrate, a diaphragm portion having a first surface in contact with a...
6981411 Measuring element for a flow rate sensor, in particular an air-mass flowsensor for internal combustion engines  
A measuring element for a flow rate sensor is described, in which the number of terminals is minimized to reduce the dimensions of the measuring element.
6971266 Thermosensitive flow rate detecting element and method for the manufacture thereof  
Cavities are formed so as to extend from a rear surface side of a base material to a protective film, an electrically-insulating film is formed on a rear surface of the base material, wall surfaces...
6945106 Mass flowmeter  
A mass flowmeter of the thermal type, having a planar, thin substrate with a sensing surface that can be brought into direct or indirect contact with a flowing fluid during a measurement, wherein...
6945107 Flow rate detection device and method for manufacturing the same  
A flow rate detection device has a flow rate detection chip that is partially exposed to the flowing material to be measured and a casing that accommodates the flow rate detection chip. The casing...
6938474 Sensing device and method for measuring features in a fluid  
A method and a device for measuring features in a fluid such as pressure, flow rate, and temperature measurements is disclosed. The sensing device includes at least two sensing elements, all of...
6923053 Gas flowmeter and manufacturing method thereof  
A gas flowmeter capable of reducing a secular change comprises a silicon semiconductor substrate formed with a cavity and a heat element formed above the cavity of the semiconductor substrate by...
6912899 Flow rate sensor having a holder supported as a cantilever  
An electrical connection portion between a flow rate detecting element and a circuit board is constructed on a portion of a holder positioned inside a holder insertion aperture. The holder is...
6901794 Multiple technology flow sensor  
A flow sensor includes sensors connected to a flexible membrane. The sensors detect ambient temperature, pressure, and flow rate of a medium. A method of sensing flow rate includes providing the...
6898969 Flow sensor element and method of using same  
A flow sensor element is provided having at least one temperature-measuring element and at least one heating element each having at least one platinum thin film resistor, the at least one...
6889545 Flow rate sensor  
A flow rate sensor detects the flow rate in a pulsating condition including a large amount of the reverse flow. Upstream temperature sensors and downstream temperature sensors are formed in both...
6883370 Mass flow meter with chip-type sensors  
A mass flow meter employs discrete chip-type temperature sensors to sense a fluid flow rate. The sensor can be a semiconductor chip such as SiC or silicon, or thin film tungsten on an AlN...
6871536 Temperature averaging fluid flow measuring apparatus  
A fluid flow measuring method and apparatus with high sensitivity, quick response, and a wide dynamic range measures the flow of a fluid based on a difference in radiation of heat at an upstream...
6871537 Liquid flow sensor thermal interface methods and systems  
A sensor method and system are disclosed. A fluid flow sensor can be provided, which measures the thermal conductivity of a fluid. The sensor itself can be configured to comprise one or more...
6871538 Flow sensor and flow rate measuring method  
A flow sensor and a flow rate measuring method are disclosed, in which an error caused by dust attached to the flow sensor is accurately corrected taking advantage of the fact that the output...
6862930 Fluid flow amount measuring apparatus responsive to fluid flow in forward and reverse directions  
In a thermal-type air flow measuring apparatus, a heater is set to a reference temperature which is a predetermined temperature higher than an intake air temperature detector. A flow amount...
6854326 Measurement apparatus for measuring physical quantity such as fluid flow  
Resin members, on the surfaces of which metal films are formed, are used for; an auxiliary air passage provided in a main air passage, in which a sensor element of a physical quantity sensor such...
6851311 Thermal-type flow meter with bypass passage  
A flow measurement sensor accurately outputs signals even when pulsation flow is generated at high engine speed and also when pulsation flow accompanying reverse flow is generated. The flow...
6840102 Flow amount measuring apparatus  
The flow amount measuring apparatus has two detecting portions for generating signal indicative of flow amount respectively. The outputs of two detecting portions are subject to a differential...
6820481 Mass flow sensor having an improved membrane stability  
A mass flow sensor is described. To improve the membrane stability of the known mass flow sensor, in particular the reoxide layer which is present in the known mass flow sensor is replaced by a...
6820479 Device for determining at least one parameter of a flowing medium  
A device includes a sensor carrier, on which is arranged a sensor element introduced into the flowing medium. The sensor carrier is produced separately, and the at least one sensor element may be...
6820482 Method and device for determining gas flow  
A gas flow determination method and a corresponding gas flow determination device. A sensor device including a diaphragm and a frame enclosing it is provided; a predetermined temperature profile is...
6813944 Flow sensor  
The flow sensor comprises a semiconductor device ( 1 ) on which a heat source and, symmetrically thereto, two temperature sensors are arranged. The semiconductor device ( 1 ) is arranged on an...
Matches 51 - 100 out of 345 < 1 2 3 4 5 6 7 >