Matches 101 - 150 out of 335 < 1 2 3 4 5 6 7 >
Match Document Document Title
6571621 Thermal flow rate measuring device  
A thermal type flow rate measuring device can certainly prevent adhesion of water droplet onto a sensor element and thus achieve high reliability. The thermal type flow rate measuring device...
6561021 Flow rate-measuring device  
A flow rate-measuring device capable of measuring accurately a flow rate of fluid to be measured containing a drift or eddy as compared with a conventional device is provided. A flow rate-measuring...
6557410 Flow rate sensor with a temperature sensing structure spaced from the support 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...
6557408 Device for measuring the mass of a flowing medium  
The match with a measurement characteristic curve of a device for air flow measurement is disturbed by pulsations, soiling and poor flow behavior. An improvement in the measuring performance of the...
6474154 Flow measurement device for measuring flow rate and flow velocity  
A flow rate and flow velocity measurement device. A part of a flow 10 in a main flow pipe 1, which is a detection object, is introduced into a passage of a divided flow pipe 2 and becomes a...
6446504 Constant temperature gradient differential thermal mass flow sensor  
A thermal mass flow sensor in which heat transfer to and from a fluid flowing through a sensor conduit is optimized by establishing a symmetrical triangular temperature distribution along a heated...
6422070 Device for measuring the mass of a flowing medium  
Devices for measuring the mass of a flowing medium using a temperature-sensitive measuring element have the disadvantage that considerable measuring errors may occur in the event of a pulsating...
6401531 Air flow meter having flow rectifier with lattice in fixed configuration  
A device for measuring the mass of a flowing medium has a measuring element disposed in a measurement fitting. A flow rectifier that is provided upstream of the measuring element has flow openings...
6354150 Sensor for a capillary tube of a mass flow meter  
The sensor ( 7 ) for a mass flow meter ( 1 ) including a capillary tube ( 6 ) for circulation of fluid in parallel with the principal circuit of the fluid circulation. The sensor includes heating...
6345531 Measuring device for measuring the mass of a flowing medium  
A measuring device serves to measure the mass of a medium flowing in a line along the primary flow direction, in particular the mass of aspirated air of an internal combustion engine. The measuring...
6336361 Flow rate sensor with symmetrical support protective member and structural 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...
6332356 Measuring device for measuring the mass of a medium flowing in a line  
A measuring device for measuring the mass of a medium flowing in a flow line, in particular the aspirated air mass of an internal combustion engine, including a measuring element bathed by the...
6298720 Measurement device for measuring the mass of a medium flowing in a line  
A measurement device for measuring the mass of a medium flowing in a line along a line longitudinal axis, in particular the intake air mass of an internal combustion engine. The measuring device...
6272920 Device for measuring the mass of a flowing medium  
A device for measuring the mass of a medium flowing in a line, especially the aspirated air mass on an internal combustion engine, comprising a flow tube, which is disposed in the line. A measuring...
6253606 Thermosensitive flow rate sensor  
A highly accurate thermosensitive flow rate sensor is able to reduce the detection error of a flow rate even in the case of a flow accompanied by considerable intake air pulsation in an automotive...
6247495 Flow rate detection mechanism with a restriction element for mass flow meters  
A flow proportioning assembly for dividing a portion of a fluid flow such as gas for presentation to a sensor includes a holder member having a central opening and forming an exterior peripheral...
6240371 Pedestal-mounted sensor  
A sensor comprising a substantially planer base having a substantially-flat bottom surface to facilitate adhesive mounting, and at least one transducer mounted to said base.
6223594 Thermal type air flow amount measuring apparatus having flow rectifier  
A thermal type air flow amount measuring apparatus is provided for measuring, a amount of air flowing in an air flow passage. The apparatus includes a bypass passage unit for bypassing a part of...
6220090 Air flow meter  
An air flow meter disposed in an intake pipe has a bypass member having a U-shaped bypass passage, into which part of air flowing through the intake pipe is introduced. An outflow port disposed at...
6208254 Thermal dispersion mass flow rate and liquid level switch/transmitter  
A thermal dispersion switch/transmitter for determining flow rate and liquid level in a non-contacting apparatus. A special preparation of one or more small spots in the outside surface of the wall...
6189379 Thermal type air flow measuring instrument for internal combustion engine  
A thermal type air flow measuring instrument is mounted to a main passage forming an intake air passage of an internal combustion engine and is provided. with an auxiliary passage which includes a...
6148663 Device for measuring the amount of a flowing medium  
A device for measuring the mass of a flowing medium, with a temperature-dependent measurement element that substantially reduces measurement errors due to a pulsating flow that is characterized by...
6119730 Precision laminar flow element for use in thermal mass flow sensors and flow controllers  
A laminar flow element for use in thermal mass flow sensors and flow controllers is designed to provide a high degree of precision. The precision laminar flow element includes a laminar flow...
6085587 Device for measuring the mass of a flowing medium  
A device for measuring the mass of a flowing medium which avoids measuring liquid components entrained in the medium. The device includes an interrupting body, which is accommodated upstream of the...
6044701 Thermal mass flow controller having orthogonal thermal mass flow sensor  
A thermal mass flow controller having a thermal mass flow meter with an orthogonal thermal mass flow sensor includes a base defining a primary fluid flow path therein for carrying a flow of fluid...
6035711 Device for determining the direction and speed of an air flow  
The invention provides a device for determining the direction and speed of an air flow, comprising a chip which is provided with two mutually perpendicularly positioned pairs of measuring circuits...
6023969 Flow modulated mass flow sensor  
A sensor for measuring the flow rate of a fluid through a conduit. The fluid flow rate in the vicinity of a heated temperature sensor is made to cyclically vary from a minimum to a maximum to...
6018994 Temperature sensitive flow sensor having plate-like straightening members on the metering pipe  
Plate-like straightening members are provided between a main conduit and a metering pipe stored in the main conduit to suppress the deviation of a flow of a fluid in the main conduit and stabilize...
5996405 Measuring device provided with rotary pistons  
Measuring device for measuring the flow rate of a gas flow or liquid flow by means of a rotary piston device consisting of two rotary pistons which are placed in a pipe section and are mounted in...
5987981 Method for momentarily identifying a gas or liquid flow, and device for carry out the method  
Method for momentarily identifying the composition of a gas or fluid flow, and device for carrying out the method. The flow is conducted through an orifice in a conduit. Parallel to--and passing...
5942683 Apparatus for measuring gas flow rate in a bypass passage and having a passage restriction portion downstream of the detecting element  
An apparatus for measuring gas flow rate is comprised of a pipe body whose inside space performs as a passage for flowing measured gas. A housing including a generally U-shaped bypass passage is...
5936156 Liquid metering  
A meter to measure the volumetric flow rate of a liquid, for example water, is formed with a pipe forming a liquid flow path containing a low power electrical heater. A first temperature sensor...
5925820 Device for measuring the volume of a flowing medium  
A device for measuring the mass of a flowing medium aspirated by internal combustion engines is secured in an intake line. The device protrudes into the intake line with a measuring part that has a...
5918268 Line leak detection  
A flow measuring device for indicating the leak status of a pressurized fluid-carrying line pressurized by a pump includes an electronic leak sensing module connected in fluid communication with...
5905200 Cyclonic flow meters and method of using same  
Detection of the flow of a fluid, and also measurement of the flow of a fluid, is provided by feeding the fluid flow through a cylindrical chamber to form a cyclonic circulation of the fluid in the...
5894088 Thermal flow meter with less turbulence in fluid flow  
A central member of a sensor unit is inserted through a sensor unit mounting hole of a cylindrical body having a main passage and the sensor unit is assembled on the cylindrical body. The sensor...
5861561 Bypass type coriolis effect flowmeter  
A bypass flowmeter for measuring the material flow in a conduit. An optimum pressure drop is developed across the flowmeter by coupling the material outlet of the flowmeter to the throat of a...
5847275 Temperature detecting apparatus and thermal type flow meter using the same  
A temperature detecting apparatus includes a support member made of resin and disposed in an air passage, a temperature sensor supported within the support member, and a pair of conductive members...
5844135 Temperature sensor for measuring a flow medium in a flow conduit of an internal combustion engine  
A temperature sensor for measuring and/or monitoring the temperature of a medium flowing in a flow conduit of an internal combustion engine. The sensor has a one-piece plastic body with a sensor...
5836693 Method and apparatus for measuring pressure in a pipeline without tapping  
A fluid-filled pipe is investigated by a nonintrusive procedure to determine whether the fluid is liquid or gaseous, whether it is flowing or static, the direction of flow if it is flowing, the...
5824894 Mass flowmeter and laminar flow elements for use therein  
The disclosed mass flowmeter includes a section defining a passageway and a laminar flow element disposed within the passageway so as to define a laminar flow channel within the passageway. The...
5817932 Intake air flow measuring apparatus for internal combustion engine  
An intake air flow measuring apparatus for internal combustion engine apparatus has a thermal type air flow meter, a unit for correcting the response delay of the thermal type air flow meter, and a...
5804720 Flow sensor apparatus including a thin film sensor  
The bridge-like thin film sensor 5 is frangible as thin and bridge-like form suspended over the hollow 3. In case that a pieces of dust hits it, it is often broken. In view of the foregoing...
5804718 Airflow meter having an inverted u-shape bypass passage  
An airflow amount measuring body is formed such that two pipes are arranged in parallel and a bypass passage having an inverted U-shape is provided. The passage sectional areas A1, A2 and A3 of an...
5804717 Mass flow transducer having extended flow rate measurement range  
A multi-channel mass flow transducer has a single laminar flow element in a primary fluid flow path and multiple secondary flow paths in parallel with and in fluid communication with the primary...
5780735 Air flow rate measurement apparatus  
Disclosed is an air flow rate measurement apparatus comprising a heating resistor and a temperature sensing resistor for detecting an intake-air flow rate to be sucked into an internal combustion...
5763774 Fluid flow meter with reduced orientation sensitivity  
A flow meter is adapted to measure the flow rate of a fluid flowing in the interior of a sensing conduit. The flow meter includes one sensor element disposed along the flow path of the fluid...
5750892 Laminar flow element with inboard sensor taps and coaxial laminar flow guides  
A laminar flow element for use in flow metering devices has a laminar flow element plug with an upstream end and a downstream end and a linear extent between the upstream end and the downstream...
5750889 Air flow rate measuring apparatus and air flow rate measuring method  
An air flow rate measuring apparatus for measuring an intake air amount of an internal combustion engine by use of a thermal air flow meter comprises means inputted with the output of the thermal...
5708214 Karman vortex flow meter  
A Karman vortex flow meter has detection passages located along a fluid flow in a duct. Flow outlets of the detection passages are disposed on an end face of a vortex generation element and flow...
Matches 101 - 150 out of 335 < 1 2 3 4 5 6 7 >