Matches 101 - 150 out of 190 < 1 2 3 4 >
Match Document Document Title
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...
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...
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...
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...
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...
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...
5693880 Heater with tapered heater density function for use with mass flowmeter  
The disclosed flowmeter includes a sensor tube and a heater. The sensor tube defines an input end, an output end, and an interior channel extending from the input end to the output end and permits...
5679892 Temperature-sensitive flow amount detection apparatus for internal combustion engine  
A pull-down resistor is connected to a power source line between power source connectors and a detector circuit in an apparatus in which a power source is connected via the power source connectors...
5654506 Heat type air flow meter  
A heat type air flow meter with improved resistance to radio wave interference by restraining a high frequency noise from a resistor and the supporting materials thereof provided in air passage. At...
5635635 Method and apparatus for detecting the intake air quantity of an engine  
The present invention is able to detect the intake air quantity which has been discriminated into flow direction by detecting the engine intake air quantity at two locations separated in the...
5631415 Air flow rate measuring device  
An air flow rate measuring device for measuring intake air flow rate in an automotive engine, improved to reduce any error attributable to variation in the configurations of air cleaner and/or duct...
5587520 Thermal conductivity detector  
A thermal conductivity detector includes a cavity wall defining a cavity for receiving a quantity of the sample fluid, the cavity wall being subject to a cavity wall temperature, and a sensor...
5576498 Laminar flow element for a flowmeter  
A precision laminar flow element for use in mass and volumetric fluid flowmeters is disclosed. The flow element comprises a single or a plurality of wire-wound plates positioned in the flow path....
5563340 Mass air flow sensor housing  
A mass air flow sensor housing for reducing backflow includes a U-shaped air flow path having an elliptical inlet and an outlet. A mass air flow sensor is positioned in the U-shaped air flow path....
5476012 Air flow sensor with swirl generator  
An air flow sensor includes a duct forming a part of an intake passage, and a detection device. A swirl generating structure is also arranged in the duct to generate a swirl in the duct. A...
5463899 Simultaneous measurement of gas thermal conductivity and mass flow  
A system and method for simultaneous measurement of thermal conductivity and the mass flow of a fluid comprising two conduits arranged in a concentric or bypass arrangement through which the fluid...
5461910 Fluid flow direction and velocity monitor  
A fluid flow detection monitor (80), particularly useful in monitoring pressure differentials between a controlled environment and its surroundings, includes a heat source (1) situated between an...
5426975 Method and apparatus for determining the total flow rate in a ventilation installation  
A method and apparatus for determining the total flow rate of air flowing through a ventilation installation with a free suction fan (15) is described. The flow rate or a corresponding pressure is...
5415029 Air flow detector for engine control unit  
An exothermic resistor type air flow detector according to the invention is compact and requires no special radiation structure. A control circuit comprised of a transistor T and a differential...
5383357 Mass air flow sensor device  
A mass air flow sensor device for determining the mass of air flowing therethrough is operatively associated with an engine control module of an internal combustion engine which uses data...
5383356 Mass air flow sensor arrangement having increased dynamic range  
A mass air flow sensor arrangement that has a mass air flow sensor fixedly mounted on a sensor mount which is connected to the low pressure region of a downstream venturi. The sensor mount has an...
5381691 Air flow meter  
An air flow meter comprises a main passage for an axial main air flow; an axial subpassage for air flow, disposed in the main passage and formed so that part of the air in the main passage is taken...
5379630 Thermal conductivity detector  
In one embodiment, a thermal conductivity detector in a gas chromatograph is provided with a sensor connected in a resistive bridge with an alternating voltage applied to the bridge. Changes in...
5355726 Housing for reducing back air flow to mass air flow sensors  
A housing structure for reducing back air flow to the mass air flow sensor of an internal combustion engine. The housing structure consists of a housing defining a main air flow passage...
5315870 Housing for an air flow rate meter  
A housing for an air flow rate meter is embodied by two housing parts joined together by a detent connection, so that the assembly is reduced to a single operation, and screws and nuts are omitted....
5309762 Mass flowmeter with hermetically sealed housing  
A mass flow meter includes a housing body having a fluid passageway extending therethrough with a capillary tube communicating with the fluid passageway. The capillary tube is connected through a...
5301547 Air flow rate meter  
A flow rate meter for determining the mass or flow rate of flowing air, having a temperature-dependent measuring resistor disposed in an air bypass conduit. The air bypass conduit has a convergent...
5282385 Hot-wire type flowmeter  
A hot-wire type flowmeter for measuring a flow rate of a fluid in a passage comprises a pair of support pins extending in parallel with an axis of the passage and an electrical resistor supported...
5279155 Mass airflow sensor  
A mass airflow sensor is provided with a system of conduits and ports which connect the mass airflow sensor to a main fluid flow channel. Pairs of ports connect the plurality of fluid...
5279154 Thermal mass flow sensor  
A vertical flow thermal mass flow sensor for a vertical flow thermal mass flow meter of a vertical flow thermal mass flow controller has a sensor tube having a gas inlet for receiving a gas to be...
5231871 Hot-electrical-resistance type gas flow meter and internal combustion engine with hot-electrical-resistance type gas flow meter  
An object of the present invention is to provide a hot-electrical-resistance type gas flow meter wherein a deterioration of a gas-cooled hot-electrical-resistance is prevented at the maximum flow...
5209113 Air flow meter  
An air flow meter has a cylindrical housing to be coupled to an intake air conduit of a vehicle in a way that a main passage is formed within said housing. An egg-shaped member has a bypass passage...
5207227 Multiprobes with thermal diffusion flow monitor  
A single probe with thermal diffusion flow monitor (hereinafter known as "SPTDFM") that has improved reliability, smaller overall size, simpler method of sensor positioning, better compatibility...
5199116 High-efficiency portable spa  
A high-efficiency portable spa is provided for therapeutic and recreational use which includes a tub, a flow generator for circulating water in the tub, and a two-section insulating cover. A heat...
5174299 Thermocouple-based blood flow sensor  
A thermocouple-based cardiac blood flow sensor for allowing discrimination between physiologic rhythms and pathologic rhythms of the heart. The sensor is built on a cardiac catheter or lead from a...
5123288 Averaging pitot probe  
To measure speed of gas flow along a pipe a flowmeter is used comprising a gas flow sensor connected by tubing with an averaging pitot probe formed by first and second tubes of circular...
5062442 Apparatus for monitoring a fluid conduit system for leakage points  
The apparatus functions for monitoring small leakages in order to activate an alarm in the event that there has been more than a predetermined volume of small leakage through the water taps or...
4982602 Air metering device  
An air flow meter that includes a filter or flow rectifier disposed in a retaining aperture of a collar in a bypass channel such that a second end face of the filter rests against one end of a...
4949578 Flow metering of high temperature gases  
A flow meter capable of performing within gas flows exhibiting temperatures above about 600° F. includes a thermally-stable housing formed of fire brick or the like through which a passageway is...
4942763 Flow sensor assembly  
A flow sensor assembly particularly suited for measuring localized flow components within a region of flow which may exhibit flow components of varying velocity vector in both intensities and...
4920808 Device and method for measuring the flow velocity of a free flow in three dimensions  
A device for and method of measuring the flow velocity of a free fluid flow in three dimensions is provided in which a rotationally symmetrical flow body has at least two sets of peripherally...
Matches 101 - 150 out of 190 < 1 2 3 4 >