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Match Document Document Title
7552015 Apparatus and method for displaying mass flow controller pressure  
A mass flow controller includes a pressure sensor that senses pressure within the mass flow controller and displays the pressure. The pressure display may be local, mounted directly to the mass...
7530267 Flow rate measuring apparatus  
A measuring passage includes: an inflow aperture opening onto a vicinity of an end portion of a surface of a main body portion that is perpendicular to a direction of flow of a main flow of a...
7523659 Flow measurement apparatus  
In a thermal type flow rate measurement apparatus comprising a sub-passage having a detour passage and a hole just before a flow rate measuring part, for preventing its output value from falling...
7516658 Electro-kinetic pressure/flow sensor  
A transmitter senses flow or pressure of a process fluid in a process pipe. The process pipe may include a flow restrictor positioned therein that carries a primary flow of a process fluid. Impulse...
7509855 Sensor manifolds  
Sensor manifolds include a housing having at least two fluid flow passages communicating with fluid entry and exit ports in the housing that are connectable in line in a full flow fluid line in a...
7467546 Equipment for measuring gas flow rate  
In a flow sensor, detecting elements are provided at a sub-passage. A sub-passage wall contains a hole to drain accumulated liquid. A protrusion arranged close to the hole on an external surface...
7467027 Compensation for thermal siphoning in mass flow controllers  
A thermal mass flow controller for controlling flow rate of a fluid includes a conduit configured to receive the fluid, a pressure sensor that measures the pressure of the fluid as the fluid flows...
7464611 Differential pressure means for a gas meter arrangement, comprising an improved flow geometry  
A differential pressure system and a gas meter arrangement for precisely measuring a gas consumption by a gas meter is provided. A previously known gas meter is disposed in a bypass comprising a...
7437925 Intake system having a flow detecting device including a pressure receiving surface at the outflow passage of the bypass  
A flow detecting device is provided to a fluid passage through which a main flow of fluid passes. A sensor body has a bypass passage through which a bypass flow passes from the main flow. The...
7434460 Sealing structure and a flowmeter using the same  
A substrate includes a first surface portion, which covers a heat receiving portion of a radiation member together with a resinous member. The substrate further includes a second surface portion,...
7412336 Attitude insensitive flow device system and method  
Disclosed herein are systems and methods for attitude insensitive flow devices. The system can include a flow device having a processor and a computer readable medium accessible by the processor...
7401509 Device for determining air mass in a line and including a separation outlet having a wind shield structure  
In a device for determining at least one parameter of a medium flowing in a main direction of flow in a line, which device has a part that can be inserted into the line with a predeterminable...
7395700 Intake device for internal combustion engine and method of measuring intake air amount  
An intake device for an internal combustion engine includes a restriction valve provided in an air intake path of the engine, and an air flow rate sensor for measuring the amount of air suctioned...
7383725 Flow detecting device having heating element  
A flow detecting device is provided to a fluid passage through which a main flow of fluid passes. The flow detecting device includes a sensor body, a heating element, a lead portion, and a guard...
7377185 Device and method of detecting flow rate/liquid kind, and device and method of detecting liquid kind  
A flow rate/liquid type detecting method for detecting the flow rate of a fluid and, at the same time, detecting any one of or both the type of the fluid and the concentration of the fluid,...
7377161 Air flow measuring device provided with a vent in air passage  
The present invention provides an air flow measuring device comprising a housing with a sub-passage having a inlet and a outlet for air flow formed in the housing, the sub-passage further having a...
7363182 System and method for mass flow detection device calibration  
Systems and methods for correcting measurements of fluid flow using device-specific information to compensate for differences between individual devices of the same design. In one embodiment, a...
7360414 Device for determining at least one parameter of a medium flowing in a conduit and having a separation opening in the bypass passage  
Devices for determining at least one parameter of a medium flowing in a conduit, in particular for determining the air-mass flow in the intake tract of an internal combustion engine, including a...
7343823 Ultra low pressure drop flow sensor  
A fluid velocity sensor includes a sensor die for detecting a fluid property of a fluid flowing through a low resistance flow channel defined by a flow channel wall. One or more tap can be oriented...
7313954 Apparatus for measuring flow characteristics  
A flow detection device for detecting a flow characteristic of a fluid within a pipe is disclosed. The flow detection device includes a first channel portion that defines a first channel with an...
7305877 Device for determining at least one parameter of a medium flowing in a line having diversion surface  
A device for determining at least one parameter of a medium flowing in a line, in particular for determining the air mass flow rate in the intake manifold of an internal combustion engine, which...
7302843 Mass air flow housing for mass air flow sensor  
A housing structure for improving air flow to the intake manifold of an internal combustion engine is claimed. The present invention is a replacement part for a factory-installed mass air flow...
7296465 Vertical mount mass flow sensor  
A thermal mass flow meter for measuring flow rate of a fluid includes a conduit that is configured to receive the fluid and that defines a primary flow path between an inlet and an outlet of the...
7284423 Flow-velocity measuring device  
A flow-velocity measuring device of a simple structure in which the size in the direction of flow of a measured fluid is small and the size of a surface area for blocking the flow of the measured...
7269999 Thermal airflow meter  
A thermal airflow meter excellent in flow-rate measurement accuracy is provided. The airflow meter has a flow-rate measuring element comprising a heat resistor and a temperature-compensating...
7260986 Airflow meter with device for the separation of foreign particles  
A device is provided for determining at least one parameter of a medium flowing in a line in a main flow direction, e.g., a parameter of the intake air mass of an internal combustion engine. The...
7258002 Fluid flow detecting apparatus  
A fluid flow detecting apparatus is disclosed for detecting a characteristic of fluid flowing in a fluid passage. The fluid flow detecting apparatus includes a sensor body that defines a bypass...
7246519 Drift-free thermodynamic anemometry  
Advanced electronic metering of natural gas consumption is a new opportunity in the recent free market economy of the utility sector in the US and Europe. Real-time continuous measurements...
7234349 Air flow rate measuring device having bypass passage  
A measurement body is provided with a sub-outlet arranged between a U-turn portion of a bypass passage and a main outlet. The sub-outlet includes a first sub-outlet positioned on a path of air,...
7228734 Air flow rate measuring device having sensing unit  
A sensing unit is constructed of a heater element and a temperature sensing element. The sensing unit is arranged in a region, in which measurement air, which flows into the inflow passage through...
7228733 Fluid detection device  
One or a plurality of branch paths ( 3 ) having opening end portions ( 2 ) formed in the vicinity of an inner wall surface of a main path ( 1 ) through which a fluid flows so as to point the...
7216535 Air flow measuring device and engine having the air flow measuring device  
The present invention provides an air flow measuring device comprising a housing with a sub-passage having a inlet and a outlet for air flow formed in the housing, the sub-passage further having a...
7216534 Substrate processing apparatus and thermal type flowmeter suitable to the same  
In a thermal type flowmeter 60 , a heating/heat-sensitive coil 64 which is shaped as a coil is fit close into an approximately central portion of a duct pipe 63 . A flow rate computing circuit ...
7210194 Airflow sensor system for monitoring air inlet airflow and air outlet airflow of a vacuum cleaner  
An airflow sensor system for monitoring air inlet airflow and air outlet airflow of a vacuum cleaner is provided according to an embodiment of the invention. The airflow sensor system includes a...
7201047 Air flow measuring device  
The present invention provides an air flow measuring device comprising a housing with a sub-passage having a inlet and a outlet for air flow formed in the housing, the sub-passage further having a...
7201046 Flowmeter with resistor heater  
An air temperature detector 12 is disposed close to an auxiliary passage sidewall 15 , which has an auxiliary passage wall hole 9 formed near the air temperature detector 12 . A...
7185539 Flow sensor  
In a flow sensor ( 1 ) including an anticorrosion metallic diaphragm; an insulating film formed on one surface of the metallic diaphragm; and a flow rate measuring sensor formed on the insulating...
7178409 Laminar flow meter or controller  
Volumetric flow meters, volumetric flow controllers, mass flow meters, and mass flow controllers using a transverse laminar flow assembly are described. The flow assembly may be constructed from a...
7162920 Device for determining at least one parameter of a medium flowing in a conduit  
Devices are previously known for determining at least one parameter of a medium flowing in a conduit, in particular for determining the air mass flow in the intake section of an internal combustion...
7159457 Mass flow sensor and method for operating the mass flow sensor  
A mass flow sensor ( 1 ) has a sensor element whose measuring signal is representative of a mass flow in a main duct ( 4 ), specifically without taking into account the direction of flow of the...
7124626 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, particularly the intake air mass of an internal combustion engine, having one part which has at least one measuring...
7121139 Thermal mass flow rate sensor having fixed bypass ratio  
A flow rate sensor includes a main conduit, a sensor tube and a bypass tube connecting an upstream portion of the main conduit to a downstream portion of the main conduit such that flow through the...
7107834 Thermal mass flow rate sensor including bypass passageways and a sensor passageway having similar entrance effects  
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 sensor passageway for tapping a portion of the...
7089788 Intake air flow rate measuring device of an internal combustion engine  
A measurement structure that projects into an intake passage is provided with a shunt plate adjacent to a first passage that extends from an air inlet to an air outlet. A second passage is formed...
7062963 Flow velocity measuring device  
A flow velocity measuring device is able to conduct a fluid to a sensor element after removal of dust and dirt contained in the fluid to accurately measure the flow velocity of the fluid even when...
7059184 Split-flow-type flow sensor device  
A split-flow-type flow sensor apparatus includes a main flow passage and a bypass flow passage, wherein a thermal flow sensor is placed on the wall face of the bypass flow passage. A first...
7059183 Air flow measuring device  
The present invention provides an air flow measuring device comprising a housing with a sub-passage having an inlet and an outlet for air flow formed in the housing, the sub-passage further having...
7051589 Heating resistor flow rate measuring instrument  
A heating resistor flow rate measuring instrument, having a heating resistor and a thermally sensitive resistor disposed in a sub-passage of a main passage. The heating resistor is disposed in a...
7047805 Fluid flow meter having an auxiliary flow passage  
A device for measuring fluid flowing in a duct is disclosed. The device includes a housing having a first flow passage, a nozzle, a second flow passage, a first electrical element, and a second...
7043978 Airflow meter  
An airflow meter has a bypass passage disposed in an air passage and a sensing portion disposed in the bypass passage to detect an airflow amount. The bypass passage is provided with a restriction...
Matches 1 - 50 out of 376 1 2 3 4 5 6 7 8 >