|
Match
|
Document |
Document Title |
|
|
7621293 |
Versatile emergency shutdown device controller implementing a pneumatic test for a system instrument device
A multi-functional or versatile emergency shutdown valve controller may be used in various different emergency shutdown configurations to enable the testing of different types and configurations of...
|
|
|
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...
|
|
|
7533690 |
Multi-functional regulator
A multifunctional regulator provides a housing having an inlet passage joined with an outlet passage through a poppet valve. The housing has a control diaphragm separating the control chamber into...
|
|
|
7491321 |
Oxidation tank control valve assembly and systems and methods for replenishing a charge of oxygen-containing gas within an oxidation tank
Contaminants are removed from fluid in a system where the fluid is sprayed into an air head at the top of a tank through a diffuser and withdrawn through a pick-up tube. A solenoid valve operates...
|
|
|
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...
|
|
|
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...
|
|
|
7434477 |
Methods and apparatus for pressure compensation in a mass flow controller
Performance of mass flow controller may be vulnerable to pressure transients in a flow path to which the controller is coupled for the purpose of controlling the fluid flow. A system and method are...
|
|
|
7380568 |
Water flow controller
An apparatus for controlling water flow is provided. The apparatus is a novel electronic water controller capable of operation using a battery-type power source, and providing for achievement of...
|
|
|
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...
|
|
|
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,...
|
|
|
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...
|
|
|
7306195 |
Anti-icing actuator assembly for pneumatic valve
An actuator assembly for use in conjunction with a pneumatic valve assembly of the type which includes an airway having an inlet port, an outlet port, and a valve disposed within the airway and...
|
|
|
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...
|
|
|
7296586 |
Gas-regulating unit for regulating a gas pressure in a gas-tight tank
A gas-regulating unit for regulating an internal gas pressure in a gas-tight liquid-storage tank is mounted on the gas-tight tank in which stored liquid is sealed from outside atmosphere by...
|
|
|
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....
|
|
|
7249610 |
Ratio controller with dynamic ratio formation
For adjustment of a desired burner gas-air ratio over the broadest possible load range without additional pressure tapping of the burner, combustion chamber, or air lines, a ratio controller is...
|
|
|
7240740 |
Diaphragm valve with pivoting closure member
A valve is disclosed having an inlet duct aligned with an outlet duct and an angularly oriented elliptical seat positioned between them. A pressure chamber faces the seat. A pivoting valve closure...
|
|
|
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...
|
|
|
7147430 |
Pneumatic valve control using downstream pressure feedback and an air turbine starter incorporating the same
A starter air valve assembly includes a valve body, a flow control valve, a rate control servo mechanism, and a valve actuator. The valve body defines a flow passage having at least an inlet port...
|
|
|
7066710 |
Pneumatic valve control having improved opening characteristics and an air turbine starter incorporating the same
A starter air valve assembly includes a valve body, a flow control valve, a rate control servo mechanism, and a valve actuator. The valve body defines a flow passage having at least an inlet port...
|
|
|
7066203 |
Gas flow control
Gas flow control is addressed using a controllable approach that facilitates safe operation. According to an example embodiment, a control arrangement for gas flow comprises two main valves...
|
|
|
7044156 |
Pipeline protection system
A protection system for a pipeline comprises a hydraulically actuated valve operable to switchably prevent a flow of fluid from a first section of the pipeline to a second section of the pipeline,...
|
|
|
7036794 |
Method for control of a vacuum valve arranged between two vacuum chambers
A method for controlling a vacuum valve arranged between two vacuum chambers comprises a valve body with a valve opening, a closure member which closes the valve opening in a closed state of the...
|
|
|
7025088 |
Providing an indication of the position of a valve member
A method of providing an indication of the position of a valve member of a valve in a fluid path where the valve member is moveable between a fully open position in which a maximum flow of fluid...
|
|
|
7000641 |
Inflatable stopping bags
A method of controlling the fluid pressure of an inflatable stopping bag used to block the fluid flow through a fluid conduit comprises pressurising the bag using a pressure regulator which...
|
|
|
6968856 |
Mechanically automated fluid consumption limiting apparatus
A mechanical automatic fluid consumption limiting apparatus for limiting flow through a primary flow line includes an actuating line, a control line, a rotary meter, a control assembly, an...
|
|
|
6944529 |
Automatic fluid draining from a hydraulic system component of an automatic transmission
In a hydraulic system for an automatic transmission, a method for automatically draining fluid from an oil cooler and related hydraulic lines when power is off to prevent fluid leakage, escape and...
|
|
|
6893505 |
Apparatus and method for regulating fluid flows, such as flows of electrochemical processing fluids
A method and apparatus for regulating fluid flows, such as flows of electrochemical processing fluids for processing microelectronic workpieces. The apparatus includes a valve body having an...
|
|
|
6892745 |
Flow control valve with integral sensor and controller and related method
A flow control valve assembly, and a method of determining and controlling fluid flow through the valve, that is relatively simple in design, is relatively inexpensive, is accurate, and has a...
|
|
|
6880568 |
Pressure relief system with multi-port valve
A pressure relief system is provided to detect and abate an overpressure condition in a pressurized fluid disposed in a conduit. The system includes a valve assembly and an actuator configured to...
|
|
|
6843265 |
Pressure relief system with supply activated valve
A pressure relief system for detecting and abating an overpressure in a pressurized fluid. The system includes a pressure response assembly that has a pressure responsive member, such as a buckling...
|
|
|
6832628 |
Variable pressure regulated flow controllers
The present invention is an intrinsically safe pneumatically actuated flow controller. A preferred embodiment for the flow controller has a housing assembly defining an inlet port, an outlet port,...
|
|
|
6814837 |
Controlled gas supply line apparatus and process for infilm and onfilm defect reduction
According to one aspect of the disclosure, the present invention provides methods and arrangements for controlling supply process gas to a process chamber for use in the manufacturing industry....
|
|
|
6805148 |
Relief-valve jet
The invention concerns a pressure-limiting valve to limit the pressure of hydraulic oil which can be admitted through two intakes, consisting of a control rod in a cylindrical housing equipped with...
|
|
|
6695005 |
Pressure regulating valve
A pressure regulating valve for controlling an upstream fluid pressure in relation to a reference pressure by regulating the fluid quantity let through the valve, comprising a housing ( 1 ) having...
|
|
|
6694746 |
Micro volume actuator for an air turbine starter
An air turbine starter system and air turbine starter valve that has a microvolume actuator to prevent the connected butterfly valve from opening too quickly. Air turbine starter valves can in some...
|
|
|
6651687 |
Pressure relief system with clutch activated valve
A pressure relief system for detecting and correcting an overpressure situation in a pressurized fluid. The system includes a pressure responsive member such as a buckling pin configured to...
|
|
|
6609854 |
Structure and method for detecting an inflated state of a flexible membrane dam
A structure for detecting an inflated state of a dam formed by a flexible membrane disposed in a conduit, with the detection unaffected by pressure resulting from fluid flow through the conduit...
|
|
|
6595237 |
Pressure regulator for gas transport and distribution plants
The invention relates to a gas pressure regulator having a valve, a delivery duct of low pressure gas (Pb), a regulation shutter for the gas delivery flow, a control head of the valve defining an...
|
|
|
6584999 |
Fluid pressure controller
A fluid pressure controller has an air supply valve plug displaceable under an action of pilot pressure of a pilot chamber. When the air supply valve plug is seated on a seat section, fluid...
|
|
|
6532980 |
Pressure source with constant relative increase of pressure and method for diagnosing safety valves for over or under pressure
The invention relates to a method and apparatus for determining the switching pressure of a safety appliance, which is adapted to safeguard an installation against exceeding, or falling below, a...
|
|
|
6508268 |
Vacuum pressure control apparatus
A vacuum pressure control apparatus includes a vacuum proportional opening and closing valve 18 which is disposed on a pipe connecting a vacuum chamber 11 and a vacuum pump 19 and changes its...
|
|
|
6418956 |
Pressure controller
A pressure controller is provided for a pressure regulator. The pressure controller controls a pressure regulator to deliver process fluid at a regulated pressure from a variable supply. The...
|
|
|
6386228 |
Pilot device for a safety valve
A control device includes a pressure-displacement transducer for triggering a control part for activating a safety valve of a pressure vessel. A space in the pressure-displacement transducer can be...
|
|
|
6386227 |
Non-flowing pilot valve
A non-flowing pilot valve is disclosed having a sense piston assembly ( 16 ) and a feedback sleeve ( 40 ) co-axially mounted within a valve body ( 12 ). A dome-line chamber ( 32 ) and an...
|
|
|
6371156 |
No-bleed pilot for pressure regulating valve
A control valve assembly including a no-bleed pilot valve is disclosed. The pilot valve includes a pressure responsive valve adapted to move in connection with a control parameter, such as...
|
|
|
6341760 |
Metering devices
In a rotary metering valve, a metering block is located in a chamber having a plurality of outlets. The metering block is connectable to a fluid supply and has an outlet selector rotatable to...
|
|
|
6220280 |
Pilot operated relief valve with system isolating pilot valve from process media
A pressure relief system includes a relief valve for selectively discharging process media from a pressure vessel, a pilot valve for controlling the relief valve, and an isolation system for...
|
|
|
6217753 |
Apparatus for regulating flow of water into water purifier responsive to downstream pressure sensor
A water purifier generally associated with a beverage dispenser is disclosed. The water purifier includes a conduit having a first end and a second end opposite to the first end, and a water...
|
|
|
6216728 |
Tunable anticipatory output response valve control
A valve control apparatus for generating an anticipatory output response for controlling a fluid flow in a fluid flow line includes a valve provided inside the fluid flow line, at least one sensor...
|