Matches 151 - 200 out of 335 < 1 2 3 4 5 6 7 >
Match Document Document Title
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...
5672821 Laminar flow device  
A laminar flow device includes a plurality of disks and a plurality of spacers alternately stacked together. The plurality of disks are defined by first disks and second disks, each of the first...
5660207 Flow controller, parts of flow controller, and related method  
A mass fluid flow controller has a valve which is controlled by a controller rod which is substantially pivotally mounted on a metallic diaphragm which stretches and unstretches with the movement...
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...
5650561 Diagnostic device for determining the pneumatic health of a bubble-type fuel measuring system  
An improvement on locomotive bubble-type fuel level measuring systems tests or monitors the integrity of the bubble-type pneumatic system by observing the rate of bubble formation, in addition to...
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...
5614681 Karman vortex flow meter  
A Karman vortex flow meter has a detection passages located along a fluid flow in a duct 1. Flow outlets of the detection passage are disposed on an end face of a vortex generation element and flow...
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...
5581026 Flow meter  
A flow meter for measuring a flow rate of fluid includes a body providing a main passage through which the fluid flows. A plurality of support elements connect an inner wall surface of the body and...
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....
5554805 Flowmeter with a variable constriction  
A flowmeter with a main conduit having a constriction formed therein through which a main flow passes, and a by-pass conduit which is in fluid connection with the main conduit upstream and...
5537870 Contaminant free backflow reducing insert for mass air flow sensors  
A housing structure for mass air flow sensors includes an auxiliary passage way, internal to the structure, that diverts a portion of the main air flow towards sensing elements. The sensing...
5485746 Hot-wire type airflow meter having a flow smoothing core  
A hot wire type airflow meter of the present invention comprises a housing defining a main passage through which air passes, a central member supported in the main passage of the housing and having...
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...
5461912 Accurate method of measure tray pressure drop to determine liquid flow in flue gas desulfurization systems  
A method for measuring a pressure drop at a component within a flue gas desulfurization vessel caused by a gas flow includes locating a plurality of taps near the component to be measured in order...
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...
5460039 Flow sensor system  
A system for measuring the flow rate of gas includes a flow head having a sensor thermoresistor mounted transversely to the flow of gas, and a reference thermoresistor mounted parallel to the flow...
5426976 Method and apparatus for detecting the position of liquid-liquid interfaces  
Precise information about the position of a liquid-liquid interface (28, 32) is often important for the control and automation of molten metal refining processes. For example, in an electrolytic...
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...
5406840 Supplying fluid  
A package burner has a fan rotatably driven at constant speed. Air from the surrounding atmosphere is induced by the fan through an open end of a conduit which guides the air to the fan from which...
5406839 Incidence probe with multiple pressure inlets  
The present invention relates to an incidence probe, in particular for an aircraft, comprising at least two pressure inlets. To this end, it comprises a least one flowmeter (1) and a pneumatic...
5398548 Karman vortex flow meter  
A Karman vortex flow meter in which a main passage 1 and a bypass passage 2 are adjacent to each other; a throttle portion 12 is formed at the inlet of the bypass passage to continuously reduce the...
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...
5357793 Fluid metering apparatus  
Device for measuring pressure differences or mass portions in a fluid flow--gas or liquid--and/or for implementing processes for mixing fluids, whereby when in use the fluid flows into the device,...
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...
5347874 In-flow coriolis effect mass flowmeter  
A mass flowmeter has a flow tube inserted within the confines of a conduit containing a material flow. Mass flow information is derived for the material flow within the conduit by generating mass...
5337603 Elbow mass flow meter  
Elbow mass flow meter. The present invention includes a combination of an elbow pressure drop generator and a shunt-type mass flow sensor for providing an output which gives the mass flow rate of a...
5333496 In-line parallel proportionally partitioned by-pass metering device and method  
An apparatus and method are disclosed for accurately and economically measuring fluid flow within a closed conduit system. The apparatus includes a means for extracting a proportional amount of the...
5332005 Laminar flow element and method for metering fluid flow  
A device and method for creating favorable conditions for achieving adjustable laminar fluid flow is described. In the practical example of a thermal mass flow meter the laminar flow element...
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...
5305638 Mass flowmeter having non-adjustable flow splitter  
A split path mass flowmeter includes a housing having a longitudinally extending bore within which a flow splitter is positioned. The flow splitter includes a tapered portion having a taper...
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...
5297426 Hydrodynamic fluid divider for fluid measuring devices  
A hydrodynamic fluid divider is provided whereby by a shunt line directs a portion of the overall flow of a defined fluid stream through a flow measuring device, such as a Coriolis mass flow meter....
5295394 Bypass unit for a flowmeter sensor  
A bypass unit of a flowmeter sensor includes a chamber, inlet and outlet paths through which a fluid flows into and out of the chamber, an upstream bypass path through which a portion of the fluid...
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...
5253520 Flow sensor connector  
A disconnectable flow connector is formed of (a) a frusto-conical taper pin having a longitudinal bore through which the end portion of a flow tube of a mass flow sensor is inserted and secured and...
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...
5228338 Flow sensor connector  
A disconnectable flow connector is formed of (a) a frusto-conical taper pin having a longitudinal bore through which the end portion of a flow tube of a mass flow sensor is inserted and secured and...
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...
Matches 151 - 200 out of 335 < 1 2 3 4 5 6 7 >