Matches 51 - 100 out of 335 < 1 2 3 4 5 6 7 >
Match Document Document Title
7032446 Flowrate measuring device with improved flow introduction into sub-passage outlet  
There is provided a flow rate measuring device which comprises a means for introducing a backward flow of the main passage into the sub-passage through the outlet of the sub-passage of the flow...
7028544 Mass flowmeter for measuring by the CT method  
A mass flowmeter of the thermal type provided with a flow sensor with a flow tube through which a fluid can flow during operation, with a temperature sensor in an upstream position (A) and a heater...
7000463 Reynolds number correction function for mass flow rate sensor  
A mass flow rate sensor uses a Reynolds number correction function to compensate for errors in a bypass ratio of the sensor for all gases, based on the fact that all bypass errors are functions of...
6973825 Hot-wire mass flow sensor with low-loss bypass passage  
A mass fluid flow sensor includes an internal bypass passage characterized by a first section that converges along a first axis to define a nozzle, and a radially-expanded generally-cylindrical...
6973823 Device for determining at least one parameter of a medium flowing in a line  
A device for determining at least one parameter of a medium flowing in a line, in particular the intake air mass of an internal combustion engine, has a part provided for introducing into the line,...
6941807 Device with an air intake manifold and an air mass sensor arrangement inserted therein  
The invention relates to a device with an air inlet manifold ( 1 ) and an air mass sensor arrangement ( 2 ) inserted radially therein, the insertion opening ( 3 ) of which is arranged perpendicular...
6928865 Thermal flowmeter having a laminate structure  
The present invention relates to a thermal flowmeter capable of sensing a flow rate in either direction, having a linear output characteristic, and producing a stable output without impairing the...
6918295 Thermal mass flow rate sensor providing increased rate of heat transfer to gas  
A sensing apparatus for use in a mass flow rate sensor for measuring a fluid flow rate includes a main conduit for containing a fluid flow, and a capillary tube for tapping a portion of the fluid...
6915688 Gas-flow measuring instrument  
In a gas-flow measuring instrument for measuring a gas flow in an intake gas passage for sucking gas, an abnormal output, deterioration per hour, stain, and breakage of a flow measuring element...
6915682 Device for determining at least one parameter of a medium flowing in a conduit  
A device for determining a parameter of a medium flowing in a line, according to the related art, does not offer sufficient protection for a measuring element from liquid or solid particles which...
6905242 Sensor temperature control in a thermal anemometer  
A thermal anemometer that separates sensor heating from sensor temperature measurement through a switched sampling technique. This approach demonstrates several advantages over the more typical...
6886401 Thermal flow sensor having sensor and bypass passages  
A laminated filter is fit in a passage space formed in a body. The laminated filter is made of a mesh plate including a mesh part, a first blocking plate including a blocking part, a second...
6871534 Flow rate measuring device  
A post in a fluid passage for passing a fluid flow extends across a part of the fluid flow; a measuring duct in the post extends through the post; and a flow rate detector is located in the...
6871533 Flowmeter with element for reducing the formation of turbulence in the flowing medium  
Devices for determining at least one parameter of a flowing medium having an inner pipe according to the related art have the disadvantage that whirls are formed, which causes increased signal...
6868722 Air flow rate measuring apparatus  
A diversion passage is constructed into an inverted U shape in which an upstream diversion passage and a downstream diversion passage each having a passage direction in a direction of projection of...
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...
6843122 Mass flow controller for control purge and managing method of the same  
The present invention relates to a mass flow controller for a control purge and a managing method of the same. When a user sets the mode to a control purge mode capable of controlling a maximum...
6843121 Measuring absolute static pressure at one or more positions along a microfluidic device  
A method of measuring absolute static pressure in a microfluidic device transporting a working fluid that is immiscible in a first selected gas environment, includes providing a first fluid...
6826955 Mass fluid flow sensor having an improved housing design  
A mass fluid flow sensor for determining the amount of fluid inducted into an internal combustion engine, for example, is disclosed. The mass fluid flow sensor includes an external intake fluid...
6826953 Flow sensor  
An apparatus and method for measuring flow. A flow sensor includes a sensor conduit and a bypass having at least one capillary tube. At least one of the length, inside diameter, and cross-sectional...
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...
6810730 Device for measuring air flow, comprising a device for separating foreign particles  
A device including a bypass channel including a separating wall, which protects a measuring element, or, through a special arrangement of an inner wall surface, prevents foreign particles from...
6792799 Positive flow meter  
A flow meter and electrically operable valve assembly having integral flow meters provide detection of very low water flows, along with ease of installation and compact packaging for a water supply...
6782743 Flow metering method and flowmeter  
A flow metering method and a flowmeter capable of providing an electric output corresponding to the metered flow rate of metered fluid by an electric circuit including a thermal type flow sensor...
6779394 Apparatus and method for thermal management of a mass flow controller  
A thermal mass flow controller includes a sensor assembly, a valve assembly, and mass flow controller housing. A thermal ground limits the conductive thermal path between the mass flow controller...
6779393 Device for measuring the mass of a flowing medium in an intake tube  
A device for measuring the mass of a flowing medium with a temperature-dependent measurement element has a measurement conduit whose faces, which extend perpendicular to a surface fixed by the...
6776036 Fluid flow meter  
A mass fluid flow sensor for determining the amount of fluid inducted into an internal combustion engine, for example, is disclosed. The mass fluid flow sensor includes an external intake fluid...
6729182 Flow rate sensor, having a protective member and standard member  
In a flow rate sensor, a sensing passage, into which a fluid is introduced and in which a flow rate sensing element is disposed, a support member for supporting the sensing passage, and a circuit...
6725166 Flow pickup circuit  
A flow pickup circuit for receiving a flow signal from a flow sensor and providing a flow indicator signal corresponding to flow characteristics through the flow sensor includes an inner bridge...
6708561 Fluid flow meter having an improved sampling channel  
A mass fluid flow sensor for determining the amount of fluid inducted into an internal combustion engine, for example, is disclosed. The mass fluid flow sensor includes an external intake fluid...
6705159 Protective device for a mass flow sensor disposed in an air intake channel  
Known devices for measuring the mass of a flowing medium can be impaired in their measurement precision by fluid components carried along in the medium. The device according to the invention has a...
6694809 Flow controller  
A flow controller is provided for delivering a precise volume of fluid such as high purity fluid streams to a processing destination, such as a wafer processing chamber. The flow controller...
6689179 Device for determining at least one parameter of a flowing medium  
Devices for measuring at least one parameter of a medium flowing in a line, having an inlet conduit an outlet conduit, having the disadvantage in the prior art that liquids flowing into the inlet...
6684692 Device for measuring at least one parameter of a medium flowing in a line  
A device for measuring at least one parameter of a medium flowing in a line, in particular the intake air mass of an internal combustion engine in which fluid particles and solid particles in the...
6682381 Analysis of mercury in fluorescent lamps by cold spotting  
A method of analyzing a first gas in a lamp, including: cooling at least a first portion of a lamp below the condensation temperature of the first gas contained in the lamp while operating the...
6681623 Flow and pressure sensor for harsh fluids  
Methods and systems for preventing degradation of a sensor exposed to a harsh fluid, such as one that might corrode or be exposed to radioactive contaminants, live pathogens, freezing temperatures,...
6668642 Apparatus and method for thermal isolation of thermal mass flow sensor  
A thermal mass flow controller includes a sensor assembly and mass flow controller housing. A thermal ground limits the conductive thermal path between the mass flow controller housing and the...
6668641 Apparatus and method for thermal dissipation in a thermal mass flow sensor  
A thermal mass flow controller includes a sensor assembly, a valve assembly, and a mass flow controller housing. A thermally conductive element conducts heat from the valve assembly away from the...
6655207 Flow rate module and integrated flow restrictor  
An integrated module is provided for measuring a flow rate of a fluid, whether gaseous or liquid, with a flow restrictor comprising a plurality of orifices adapted to a flow channel of the...
6647776 Split-flow flowmeter with a profusion facing the detection element  
A split-flow-type flowmeter includes a detection element 2 disposed to face a flow path thereof and a venturi structure 4 formed within a flow path 1 in the vicinity of the detection element ...
6647775 Device for measuring at least one parameter of a flowing medium  
In devices for measuring the mass of aspirated air of an internal combustion engine, for instance, via a line, it is already known to provide a tubular body inside this line and to provide a...
6645274 Device for determining at least one parameter of a flowing gas-liquid mixture or using a flow rectifier as a condensation trap or method for condensing a liquid  
A device and method for determining at least one parameter of a flowing gas-liquid mixture, including parameters of the intake air of internal combustion engines, uses a condensation trap to...
6622556 Total temperature probe with complimentary sensor cavity  
A total temperature probe with a complimentary sensor cavity for measuring multiple properties of a fluid flowing rapidly through the probe. The probe includes a sensor housing for diverting a...
6619142 Integrated fluid sensing device  
A circuit board, which includes one or more sensors, is integrated in a fluid control device, such as a valve manifold and a base plate. The fluid control device selectively directs a fluid used to...
6619140 Fluid flow meter having thermal flow sensor disposed in one of a plurality of fluid passages  
A separator partitions an upstream side air passage of a bypass passage into first and second sub passages. A thermal flow sensor is attached to the separator facing the first sub passage. A convex...
6604418 Liquid-level detection method and device thereof  
An ALC circuit is turned on (S 1 ), a nozzle is shifted to a sampling position (S 2 ), and after the ALC circuit has been turned off (S 3 ), the nozzle is allowed to start discharging air from its...
6595049 Thermal mass flow sensor with improved sensitivity and response time  
A thermal mass flow sensor having superior sensitivity and response time includes a flow sensor tube defining an interior channel for fluid flow between input and output ends, a heating element in...
6581475 Fluid meter with improved compactness  
The invention relates to a fluid meter comprising an outside wall of determined thickness to which a flange connected to a pipe is fixed via fixing members which penetrate into holes organized...
6578414 Split-flow-type flowmeter  
A split-flow-type flowmeter in which an end portion of a flow splitter tube 1 is inserted into a main-flow pipe 10 having a diameter D. A flow splitter tube 1 includes a U-shaped split-flow...
Matches 51 - 100 out of 335 < 1 2 3 4 5 6 7 >