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Match Document Document Title
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....
7279076 Apparatus and method for handling easily polymerizable substance, apparatus for extracting liquid from apparatus under reduced pressure, and process for producing easily polymerizable substance  
In an apparatus capable of distilling and refining an easily polymerizable substance, piping is performed so that when a strainer in action is switched to a backup strainer, the strainer can be...
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...
7124768 Method for transferring aqueous polymer dispersions from one container to another container  
A method of transferring an aqueous polymer dispersion with a temperature ≧50° C. from a vessel 1 via a connecting line to a vessel 2 is described.
7111635 Method of fabricating a flow constriction within a channel of a microfluidic device  
A method is provided for fabricating a constriction region in a channel of a microfluidic device. The method includes the steps of introducing a pre-polymer mixture including a monomer,...
7108006 Subsea actuator assemblies and methods for extending the water depth capabilities of subsea actuator assemblies  
A hydraulic pressure compensation system for valve actuator assemblies is described having particular application for subsea wellhead installations. The compensation system includes at least one...
7100628 Electromechanically-assisted regulator control assembly  
An electromechanically-assisted control system for use in a second-stage regulator. Regulator control assembly ( 20 ), also referred to as EMA assembly ( 20 ), includes a mechanical actuator...
7097743 Method for operating a coke-oven battery  
A method is provided for operating a coke oven battery including many identical coking chambers, a raw gas receiver, and throttle devices arranged in the receiver for individually controlling the...
7093606 Liquid fertilizer injector system for lawn sprinkler systems and irrigation systems  
A liquid fertilizer injector system attached to a water source by a water source has an inlet line to input the water from the water source line into the liquid fertilizer injector system. The...
7093605 Pressure control device for a pipeline  
A pipeline assembly for transporting a fluid such as oil, gas and water along a fluid path extending in the pipeline has a pressure control device incorporated therein. The pressure control device...
7086410 Substrate processing apparatus and substrate processing method  
A common solvent vapor supply source 41 and a common processing gas supply source 42 supply ozone gas and steam to a plurality of processing vessels 30 A, 30 B. Pressures in the processing...
7082956 Regulator with flow distributor  
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...
7082955 Axial input flow development chamber  
A system for conveying fluid through a conduit that creates a strong laminar flow of the material surrounded by a boundary layer flow of the same or a different flowable material, such that long...
7080658 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...
7080656 Variable vent diffuser  
A diffuser apparatus for variably controlling fluid pressure release is provided. The diffuser apparatus includes an aperture for pressure release and an adjustable plug that can variably expose...
7080655 Regulator for low concentration corrosive and reactive gases  
A filter-less regulator is implemented for use in fluid flow systems that process low concentration reactive gases. The regulator includes an inlet, an outlet and a fluid flow path defined between...
Matches 1 - 50 out of 497 1 2 3 4 5 6 7 8 9 10 >