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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...
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...
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...
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...
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 ),...
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...
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...
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.
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Matches 1 - 50 out of 419 1 2 3 4 5 6 7 8 9 >