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7585415 |
Fluid storage and purification method and system
A method of storing and dispensing a fluid includes providing a vessel configured for selective dispensing of the fluid therefrom. A solvent mixture comprising an ionic liquid and a cosolvent is...
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7565911 |
Two stage regulator method and apparatus
A two stage air regulator is disclosed wherein both stages are contained in a single billet, extruded, or machined housing. The first stage receives an input pressure of about 5000 PSI from an air...
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7543596 |
Liquid flow controller and precision dispense apparatus and system
Apparatus and a control system for monitoring (preferably digitally) and/or controlling pressure to a pneumatic load such as a proportional fluid control valve and using a measurement input from a...
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7539560 |
Control valve and positioner diagnostics
Valve positioning systems may include one or more components and a controller. Components may include one or more electric-to-pressure output converters, relays, gas supplies, and/or actuators. A...
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7537730 |
Reaction card and use of same
A reaction card ( 1 ) having a body, a front surface ( 62 ) and a rear surface ( 63 ) defined by an edge ( 68 ), at least one inlet ( 2, 3, 4 and/or 5 ) and at least one outlet ( 7 and/or 8 ),...
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7537019 |
Systems and methods to slowly reduce the pressure in a pressure chamber over time
Systems and methods for performing a stepwise depressurization of a high-pressure fluid (liquid) filled chamber are shown and described. At least two valves are controllably opened and closed in a...
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7520332 |
Method and associated system for setting downhole control pressure
A method and associated system for setting downhole control pressure. A method of setting a downhole control pressure includes the steps of: installing a pressure control system with a pressure...
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7505818 |
Converter method, system and apparatus
An x to pressure converter that uses valves oscillating between open and closed positions in a pulse width modulated mode, to force the output pressure to equal the input X.
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7484522 |
Method to control starter/generator cooling fuel flow during engine starting
The present invention provides a relatively simple way to automatically turn on and off the fuel to a starter/generator cooling system during engine start. The present invention takes advantage of...
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7484521 |
Tank system including multiple tanks and control method thereof
A tank system of the invention with multiple tanks makes a joint flow of a fluid released from the multiple tanks and supplies the joint flow to a downstream device, which is located downstream of...
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7469706 |
Adjustable pressure double latching valve
Methods and devices for maintaining a minimum pressure of calibration gas, such as in an emission testing system or a similar arrangement, using a double latching valve (DLV). The DLV comprises a...
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7464721 |
Process equipment validation
A Safety Instrumented System for use with a process control system receives pressure of process fluid in the process piping. A valve positioner positions a valve which controls flow of process...
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7445017 |
Mesovalve modulator
A mesovalve having a diaphragm situated between a first chamber and a second chamber. There may be an inlet and an outlet in the first chamber. The diaphragm may provide an orifice between the...
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7424346 |
Apparatus and method for pressure fluctuation insensitive mass flow control
A mass flow controller includes a thermal mass flow sensor in combination with a pressure sensor to provide a mass flow controller that is relatively insensitive to fluctuations in input pressure....
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7383851 |
Closed loop pressure control system and electrically operated pressure control valve with integral pressure sensor and method of making same
A solenoid operated valve has a pressure transducer sensing valve outlet pressure integrally formed in the valve body, such as by overmolding. Upon connection of the transducer and solenoid to an...
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7373943 |
Self-contained breathing apparatus facepiece pressure control method
An electro mechanically-assisted control system for use in a second-stage regulator. Regulator control assembly ( 20′ ), also referred to as all-electronic (AE) assembly ( 20′ ), includes an...
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7367349 |
Method for opening tank shut-off valves in gas feeding systems with connected tanks
A method for opening tank shut-off valves in a fuel cell system that includes multiple pressurized tanks. A flow control device is positioned in a supply line downstream of the tank shut-off...
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7357143 |
Regulator and gas supply method using the same
A regulator comprises a body including an inflow line, an outflow line, and a buffer space, the buffer space being provided between the inflow line and the outflow line, and a switch for opening...
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7353841 |
Relative pressure control system and relative flow control system
Provided is a relative pressure control system has a simple configuration, but enables accurate regulation of a division ratio of an operation gas, and concurrently makes it possible to securely...
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7353834 |
Variable rate pressure regulator
A pressure regulator valve including a valve seat separating a fluid flowpath into an upstream region and a downstream region. A valve closure member is mounted on a valve stem, the valve stem...
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7335396 |
Methods for controlling mass flow rates and pressures in passageways coupled to reaction chambers and systems for depositing material onto microfeature workpieces in reaction chambers
Methods, apparatuses, and systems for controlling mass flow rates and pressures in passageways coupled to reaction chambers are disclosed herein. In one embodiment, a method includes controlling a...
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7320333 |
Compact field adjustable pressure reducing valve
A pressure reducing valve for coupling to a pressurized water supply line includes a valve body with an inlet for coupling to the pressurized water supply line, an outlet, a passage extending...
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7318447 |
Pressure loaded pilot system and method for a regulator without atmospheric bleed
A pressure loaded pilot valve system and method for a regulator valve is provided. The system includes a regulator valve connecting an inlet line to an outlet line, a servo control valve assembly,...
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7316240 |
Exhaust system and mini-exhaust static pressure controlling apparatus thereof
An exhaust system and a mini-exhaust static pressure controlling apparatus thereof for controlling a process area. The mini-exhaust static pressure controlling apparatus has an exhaust chamber and...
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7314059 |
Systems and methods for controlling pressure of fluids
Systems and methods for using a dual-path fluid routing system that uses a flow restriction device to enhance temperature and pressure control of fluid are provided. Systems and methods for using a...
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7302961 |
Surge relief valve
A surge relief valve comprising a main valve body having a dome port and an inlet port. The inlet port is in fluid communication with a first fluid. The invention further includes a dome reservoir...
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7302959 |
Low-power wireless inflatable bladder damper for forced air heating, ventilation, and air conditioning systems
A low-power, wireless, inflatable bladder damper device for controlling the flow of air through an airflow channel, and a method of operation for the same. Rather than requiring power supply and/or...
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7299112 |
Electrically controlled pressure relief valve and system and method for controlling same
A system and method for controlling an electrically controlled pressure relief valve may use a soft position control loop to control the position of the valve. A pressure relief valve may also...
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7287542 |
Shutoff valve for mechanically sealed ORVR system
A vapor vent/tipping valve has a diaphragm with a bleed therethrough responsive to the differential pressure of bleed flow to control vapor venting to the canister and vapor recirculation to the...
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7287541 |
Method, apparatus and system for controlling fluid flow
A system, apparatus and method of controlling the flow of a fluid are provided. In accordance with one embodiment of the present invention, a flow control device includes a valve having a flow path...
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7284564 |
Gas storage and dispensing system for variable conductance dispensing of gas at constant flow rate
A gas supply system arranged for dispensing of gas at a predetermined flow rate. The system employs a gas dispensing flow circuitry arranged for dispensing gas at selectively variable gas flow...
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7284563 |
Surge relief apparatus and method
A surge relief apparatus for sensing, tracking and responding to pressure changes in a flow system. The apparatus includes a fluid storage tank that is in fluid communication with the flow system....
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7278438 |
Apparatus and process for refilling a bubbler
In order to evaporate a liquid substance ( 3 ) and convey it to a user, a bubbler ( 1 ) is provided, into which a carrier gas ( 7 ) is conveyed. When a minimum level ( 4 ) has been reached, an...
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7278437 |
Method for closing fluid passage, and water hammerless valve device and water hammerless closing device used in the method
A fluid passage is emergently-closed in a short time without causing a water hammer by an extremely simple device and operation. A water hammerless closing device includes an actuator operated...
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7261119 |
Pressure regulator with improved outlet pressure control
A pressure regulator comprising a housing, a pivoting lever selectively covering a passage between an inlet port and an outlet port of the housing, a diaphragm interconnected to the lever to rotate...
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7258132 |
Electronically controlled back pressure regulator
An electronically controlled back pressure regulator comprises an analysis device having a vent coupled to the analysis device through a vent path, a pressure sensor coupled to the vent path, a...
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7243670 |
Microfluidic system
A microfluidic system, particularly a microfluidic chip, with at least one operational channel, in which a fluid and/or the constituents contained therein are moveable in the direction of the...
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7226365 |
Shaft structure with adjustable and self-regulated stiffness
A shaft structure with adjustable and self-regulating stiffness is provided for golf clubs, fishing rods, and the like. The shaft structure employs in a presently preferred form a hollow tube in...
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7207345 |
Fluid routing device
A single layer fluid routing device comprising a first channel having a cross-section of a first aspect ratio and a first depth; a second channel having a second cross-section of a second different...
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7201180 |
Water supply system
A water supply system comprising a supply line and a network of consumers, one of which being a monitored consumer who receives the least amount of pressure, a pressure regulation system comprising...
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7189581 |
Method of obtaining a sample concentration of a solution in a microfluidic device
A method is provided of obtaining a sample concentration of a solution in a microfluidic device. The microfluidic device includes a channel having a reservoir and a collection port. The channel is...
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7189580 |
Method of pumping fluid through a microfluidic device
A method is provided for pumping fluid through a channel of a microfluidic device. The channel has an input port of a predetermined radius and an output port of a predetermined radius. The channel...
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7178545 |
Modulating bypass control system and method
A control system for a bypass duct includes a pneumatic damper control assembly, a sensor and a pneumatic switch. The damper control assembly includes a damper vane mountable in the bypass duct for...
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7156117 |
Method of controlling the movement of fluid through a microfluidic circuit using an array of triggerable passive valves
The present invention is directed to methods of controlling the flow of fluids through a microfluidic circuit and, more particularly, to methods of controlling the movement of fluid through a...
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7156116 |
Apparatus and method for operating a valve using a cushion filter
A method, system, and computer program are provided for operating a valve using a cushion filter. The method, system, and computer program receive a process variable signal associated with...
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7150286 |
Methods and systems for performing, monitoring and analyzing multiple machine fluid processes
In one embodiment, a method is provided for performing a fluid process within a machine having a fluid system including at least two reservoirs of different types of fluids. The method includes the...
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7146997 |
Regulator with flow diffuser
A flow-through pressure regulator having a housing, and a divider. The housing includes an inlet and an outlet disposed along a longitudinal axis. The divider separates the housing into a first...
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7143774 |
Method and apparatus for providing a determined ratio of process fluids
A fluid flow control system that includes a fluid inlet to receive a flow of process fluid and a plurality of fluid outlets. The plurality of fluid outlets include a first fluid outlet and at least...
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7128082 |
Method and system for flow control with fluidic oscillators
A system for control of a fluid flow. The system includes an array of fluidic oscillators. Each fluidic oscillator carries an oscillating flow of the fluid and includes a throat, an input port...
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7124769 |
High rise tower sanitary service system
A system and method for servicing restrooms on the upper floors of a high rise building. The system is comprised of sections of hoses that are interconnected by valves, each valve configured to...
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