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9027585 Adaptive pressure insensitive mass flow controller and method for multi-gas applications  
A system and method for controlling a flow of a fluid using a multi-mode control algorithm is described. The method includes disengaging and engaging a feedback control loop that controls a valve...
9022063 Powder feed rate sensor  
A powder feed rate sensor includes a surface or diaphragm configured to detect powder feed rate.
9019122 Information retrieval for boundary reading processing  
Information in a data store may be efficiently accessed to perform boundary reading processing. In one example, register readings of one or more register channels that are linked to one or more...
9010360 Flow control/shut-off valve assembly  
A flow valve assembly includes a valve operable between an open position and a closed position and a controller operatively coupled to the valve to operate the valve between the open position and...
8979021 Hydraulic air bleed valve system  
An air bleed valve having a housing with hydraulic fluid therein and a first acoustic wave sensor mounted within the housing so as to be covered in the hydraulic fluid and a second acoustic wave...
8973606 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Gas concentration controller system
 
The present invention is one that prevents standard gas from remaining in a standard gas line to prevent a concentration of standard gas from being reduced due to adsorption, modification, or the...
8944095 Gas supply apparatus for semiconductor manufacturing apparatus  
There is provided a gas supply apparatus 10 which does not necessitate installation of a pressure type flow controller for each processing reactor and which enables a compact construction of the...
8925576 Device for actuating a process valve for use in foodstuffs technology  
The invention relates to a device (100) for actuating a process valve that has a first cylinder and a second cylinder, comprising at least one first control valve arrangement (102) that has at...
8915262 Mass flow controller algorithm with adaptive valve start position  
A mass flow controller (MFC), a method for calibrating an MFC, and a method for operating an MFC are disclosed. The MFC may include a valve that is adjustable between a closed position and an open...
8915261 Pressure control apparatus for supercritical fluid  
A pressure control apparatus for a supercritical fluid according to the present invention includes: a valve comprising; a valve chamber provided in a midway of a channel through which a...
8910656 Fluid controller  
A fluid controller is disclosed, having a body unit, a fluid controlling valve, pressure sensors, and a casing. The fluid controlling valve is attached to a component part attachment face of the...
8905063 Gas valve with fuel rate monitor  
This disclosure relates generally to valves, and more particularly, to gas valve assemblies. In one illustrative but non-limiting example, a valve assembly may include a flow module for sensing...
8893743 Flow rate controller and processing apparatus  
The flow rate controller controlling a flow rate of gas supplied through a gas passage includes: a main gas pipe; a flow rate detecting unit detecting the flow rate of gas supplied through the...
8851105 Mass flow meter, mass flow controller, mass flow meter system and mass flow control system containing the mass flow meter and the mass flow controller  
An object of this invention is to provide a superior mass flow meter or the like that can flexibly cope with a change of a sample fluid such as a gas kind without requiring a special troublesome...
8833695 Aircraft hydraulic air bleed valve system  
An aircraft hydraulic air bleed valve system having an air vent valve connected to an electronic controller where the opening of the air vent valve is permitted only when the aircraft is in a...
8826935 Gas flow monitoring system  
A gas flow monitoring system is provided in process gas lines each arranged to supply gas to a predetermined process chamber via a flow control device, the system being configured to measure...
8820347 Passive overpressure and underpressure protection for a cryogen vessel  
In a magnet system for MRI imaging comprising a superconducting magnet mounted within a cryogen vessel, apparatus is provided for controlling egress of cryogen gas from the cryogen vessel. The...
8800593 Flow controller  
A flow controller includes a flow detection unit that includes a detection unit for detecting the flow rate of a fluid; and a flow control unit that is coupled to the flow detection unit and that...
8800592 Flow control device  
In a flow control device 100, a comparator 40 outputs a first control voltage Vref based on a comparison of an instruction value signal Vi1 of the flow volume and a signal Vi2 according to the...
8794261 Fluid control system and fluid control method  
A fluid control system includes a vacuum chamber, a gas supply source to supply gas as a fluid, an exhaust pipe to discharge the fluid from the vacuum chamber, a gas supply pipe to connect the...
8789556 Flow rate control device, diagnostic device for use in flow rate measuring mechanism or for use in flow rate control device including the flow rate measuring mechanism and recording medium having diagnostic program recorded thereon for use in the same  
The flow rate control device is provided with: a fluid resistor provided on the flow channel; a pressure sensor provided in any one of an upstream side or a downstream side of the fluid resistor;...
8783652 Liquid flow control for film deposition  
An apparatus for controlling liquid flow wherein the apparatus comprises an orifice and an adjacent flexible diaphragm separated from each other by a gap through which a liquid flows. The...
8749393 Water leak detection and shut-off method and apparatus using differential flow rate sensors  
A method and apparatus for detecting leakage of flowing liquids from pipes includes an upstream flow-rate sensor positioned between a source of a flowing liquid which is conducted from a source to...
8746270 Precision low flow rate fluid delivery system and methods for controlling same  
A method is provided for controllably delivering an additive fluid into a host fluid in a target system at a desired volumetric flow rate. The method comprises: providing a binary supply injector...
8720481 Fluid leak detection and shutdown apparatus  
An apparatus and method for a fluid leak detection and shutdown for a fluid distribution system having a total system flow rate. The apparatus includes a solenoid shutoff valve having a normally...
8720464 Method for controlling water supply amount and refrigerator using the same  
A method for controlling a water supply amount and a refrigerator using the same are disclosed. The method includes receiving information regarding a water supply amount selected by a user,...
8696321 Cavitation detection  
There is disclosed an apparatus and method for detecting cavitation in fluid machines, for example pumps (100). In one embodiment a piezoelectric gasket (102) is used as a sensor to sense...
8678025 Method and apparatus for controlling fluid pressure  
A method and apparatus to control pressure in a fluid delivery system utilizes a variable-pressure regulating means and a flow-controlled selecting means to provide a higher pressure when the flow...
8666556 Systems and methods for dynamic feedforward  
In some embodiments, a method of using feedforward to control a system component may include determining if a feedforward term exists in a feedforward table for a received operating set point. If...
8651135 Mass flow controller, mass flow controller system, substrate processing device, and gas flow rate adjusting method  
According to one embodiment, a flow rate adjusting unit is disposed on a gas passageway and includes a valve that adjusts the flow rate of a gas and an actuator that controls the displacement...
8640731 Flow rate control device  
A flow rate control device includes: a fuel gas supply channel having a flow rate adjusting valve; a thermal type mass flow rate sensor arranged in the supply channel; a calculation unit which...
8640729 Method and apparatus for automatic fluid shut-off  
An automatic shut-off valve shuts off fluid flow in the event of abnormal amounts of fluid flow. A rotor inside the valve turns when fluid flows through the valve. The rotor causes a pneumatic...
8636024 Fuel supply device  
A fuel supply device for generating mixed gas in which air and/or oxygen are mixed into fuel gas and supplying the mixed gas to a burning appliance comprises a flow rate control module disposed in...
8622073 Apparatus and method for controlling flow rate of liquid, and storage medium  
The liquid flow rate control apparatus includes a first flow rate control unit which includes a first flow rate control valve for a small flow rate with a first controlled flow rate range, and a...
8573247 Flow-rate controller, and regulator unit and valve unit used for the same  
A highly versatile flow-rate controller that is easy to handle and a regulator unit and a valve unit used for the same are provided. The flow-rate controller includes a regulator unit having a...
8555914 Method for autonomous control of a chemical injection systems for oil and gas wells  
A control program for a positive displacement metering system measures the time required for the travel of a free piston in a cylinder of known volume to determine an average flow rate during a...
8490645 Pressure sensor, pressure-differential flow rate meter, and flow rate controller  
In a pressure sensor that detects the pressure of liquid flowing in a main fluid flow path, a pressure measuring unit is installed by providing a pressure measuring space at a position branching...
8479758 Methods and devices for reducing water consumption  
New methods and devices for reducing water consumption by restricting the supply pressures at the water consumption points.
8464741 Flow control method for multizone gas distribution  
A method of supplying and controlling the flow of a process gas to a process chamber. The method includes initiating a known flow rate of a process gas to a process chamber, dividing the known...
8439068 Fluid flow control valve  
A fluid-flow control valve includes an inlet (E) for connecting to a feed duct; an outlet (S) for connecting to an evacuation duct; a valve member (1) that, at rest, bears against a valve seat (2)...
8418714 Flow rate range variable type flow rate control apparatus  
A pressure type flow rate control apparatus is provided wherein flow rate of fluid passing through an orifice is computed as Qc=KP1 (where K is a proportionality constant) or as Qc=KP2m(P1−P2)n...
8373539 Gas cutoff apparatus  
It is an objective to appropriately assure a function of limiting use of appliances that cause changes in quantities of gas used. There are provided a flow detection unit 10; a flow computing unit...
8365762 Hydraulic control system  
A control system for transferring fluid between a fluid supply and a process. The control system includes a transfer controller, which outputs a transfer signal that corresponds to a time varying...
8356623 Mass flow meter and mass flow controller  
In order to improve a measurement accuracy of a mass flow meter, the mass flow meter comprises a flow rate calculating section that obtains an output signal from a sensor section having a...
8307627 Method and device for monitoring the formation of deposits of solid particles, particularly in a fuel line and in the fuel valves of a gas turbine  
A process is disclosed for monitoring the formation of deposits of solid particles in a fuel line having a valve. A measure for the deposits of solid particles in the fuel line is determined by...
8307845 Flow rate controller  
A flow rate controller detects a clogged state of an orifice to prevent errors during flow rate measurement. The flow rate controller includes a differential pressure flow meter, with an orifice...
8286652 Configurable active jerk control  
A method of limiting jerk in a hydraulic system of a machine includes defining a maximum pressure rate. An output pressure of a hydraulic fluid is continuously measured over time from a work port...
8240324 Method and apparatus for in situ testing of gas flow controllers  
Methods and apparatus utilize a rate of drop in pressure upstream of a gas flow controller (GFC) to accurately measure a rate of flow through the GFC. Measurement of the gas flow through the many...
8230877 Mass flow rate control system  
A dosage system for feeding a fluid (A) to a static mixer (1), said system comprising a tank (2) containing said fluid (A) at a predetermined pressure, a fluid passage (3) connecting said...
8219641 Automated data delivery systems  
The Automated Data Delivery Systems (ADDS) are two delivery systems designed to either deliver specific data to customer computers over a network, e.g., the Internet, or from one application...