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| Application No. | Application Title | Issue Date |
| 20120006416 | MECHANICAL FUSE TO SEAL PIPES UPON UNINTENDED RUPTURE The present invention relates to a mechanical fuse to seal pipes upon unintended rupture. When a pressure difference between a first pressure and a second pressure in a pipe is below a pressure threshold, a first spring retains a flap in a first position allowing gaseou... | 01/12/2012 |
| 20120006418 | SYSTEM AND METHOD FOR HYDRAULICALLY MANAGING FLUID PRESSURE DOWNSTREAM FROM A MAIN VALVE A system and method for controlling fluid pressure downstream a main valve includes associating a variable orifice with the main valve such that the variable orifice opens as the main valve is opened and closes as the main valve is closed. A fluid stream taken from a fl... | 01/12/2012 |
| 20120006417 | SYSTEM AND METHOD FOR HYDRAULICALLY MANAGING FLUID PRESSURE DOWNSTREAM FROM A MAIN VALVE BETWEEN SET POINTS A system for hydraulically managing fluid pressure between selected set points includes a pilot control system operably coupled to a main valve. The pilot control system includes at least one fluid conduit, a variable orifice assembly, and a control pilot valve apparatu... | 01/12/2012 |
| 20120000543 | METHOD AND DEVICE FOR ACTIVELY SUPPRESSING PRESSURE OSCILLATIONS IN A HYDRAULIC SYSTEM In a method and a device for actively suppressing pressure oscillations or pressure pulses in a hydraulic system of a cold or warm roll train or a strip treatment installation, the following method steps are carried out: a) detection of a pressure signal by means of a p... | 01/05/2012 |
| 20110303299 | Device and method for regulating the gas supply or the gas transport in a gas storage system A device for regulating the gas supply in a gas storage system of a biogas system, wherein the gas storage system has gas stores connected in series in a cascade-like manner with an intermediate chamber between a gas store membrane and a protective cover. The device com... | 12/15/2011 |
| 20110277847 | 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 flow rate of the process gas into a first flow of the process gas at a first ... | 11/17/2011 |
| 20110272035 | Method For Fluid Flow Containment In An Open Liquid Environment A method is provided for fluid flow containment in an open liquid environment at least partially defined by a surface. The method includes the step of positioning a microfluidic device over the surface. The microfluidic device defines a chamber having a height. A flow o... | 11/10/2011 |
| 20110232770 | Irrigation System Leak Controller and Method A device and method for preventing leak losses in irrigation system zones is disclosed, wherein the device and method monitor a fluid flow characteristic to detect leak conditions, and automatically close off fluid flow to a zone in which a leak condition is detected.... | 09/29/2011 |
| 20110220214 | Counter-Biased Valve and Actuator Assembly A valve actuator assembly, counter-biased by a working fluid (or gas) pressure, is disclosed. The valve actuator assembly comprises a valve and a pneumatic or hydraulic actuator. A port is defined axially through the valve and actuator that communicates a working fluid ... | 09/15/2011 |
| 20110220215 | HYDRO-GENERATOR SOFT START A mechanism for minimizing shock in a fluid has a housing, a valve disposed in the housing for regulating a flow of the fluid, a spring that urges the valve to oppose the fluid flow, and, a reservoir disposed in the housing downstream of the valve. The valve meters the ... | 09/15/2011 |
| 20110203691 | NON-RETURN VALVE A non-return valve includes a valve housing having at least one inlet, at least one outlet, a first valve seat and a second valve seat; and an at least partially flexible sealing member forceable into a scaling engagement with the first valve seat in response to a first... | 08/25/2011 |
| 20110198077 | APPARATUS AND METHOD FOR VALVE ACTUATION An apparatus for controlling fluid flow that includes a chamber having a first valve and a second valve; a sensor that senses a pressure parameter associated with the chamber; and a controller programmed to operate the first valve and the second valve in response to the... | 08/18/2011 |
| 20110174383 | FIREFIGHTING MONITOR A firefighting monitor includes logic circuitry for determining the reaction force caused by the flow of firefighting fluid therethrough. The reaction force may be communicated to structures remote from the monitor for taking appropriate actions in response to the react... | 07/21/2011 |
| 20110167782 | SYSTEMS AND APPARATUS FOR A FUEL CONTROL ASSEMBLY FOR USE IN A GAS TURBINE ENGINE A fuel control assembly for use in a gas turbine engine. The fuel control assembly includes a first trip device configured to selectively release a fluid pressure from a trip fluid system. At least one gas fuel control valve is coupled to the first trip device. The gas ... | 07/14/2011 |
| 20110153177 | METHOD AND DEVICE FOR DETERMINING AND BALANCING THE WORKING POINT OF VALVES IN A HYDRAULIC SYSTEM A method and an apparatus for ascertaining the working point of switchover valves of a hydraulic system of a vehicle, in particular of a hydraulic brake circuit, are described in which the hydraulic system contains at least a pressure generating arrangement, a high-pres... | 06/23/2011 |
| 20110139261 | METHOD AND DEVICE FOR CONTROLLING A TANK VENTILATION DEVICE FOR A MOTOR VEHICLE A method for controlling a tank ventilation device (102) for a motor vehicle (100) is proposed in which first of all a tank vent valve (28) of the tank ventilation device (102) is closed. Then, the value of a control signal for the tank vent ... | 06/16/2011 |
| 20110139260 | Proportional Motion Control Valve A proportional motion control valve includes an electro-mechanical actuator that provides an infinitely controlled pressure setting in response to an electric signal applied to the electro-mechanical actuator. In another aspect, a proportional motion control valve inclu... | 06/16/2011 |
| 20110120566 | DISCONTINUOUS SWITCHING FLUID FLOW RATE CONTROL METHOD USING PRESSURE TYPE FLOW RATE CONTROL DEVICE A fluid flow rate control method is provided that uses a flow rate range variable type pressure type flow rate control device provided with at least two or more parallel fluid passages disposed between the downstream side of a control valve of the control device and a f... | 05/26/2011 |
| 20110114191 | AUTOMATED VALVE TESTING APPARATUS A method for partially stroking an emergency valve apparatus is provided. The emergency valve apparatus comprises an actuator (103) and a valve member (101). The apparatus is movable between a first position and a second position. The method comprises the ... | 05/19/2011 |
| 20110108129 | SYSTEM AND METHOD FOR DECREASING VOC IN CRUDE OIL TANKER A system for decreasing volatile organic compounds (VOC) in a crude oil tanker includes: a supply pipe horizontally installed over a crude oil storage tank of the crude oil tanker and having an end connected to a crude oil storage tank on land; a load pipe vertically co... | 05/12/2011 |
| 20110108126 | METHOD AND APPARATUS FOR GAS FLOW CONTROL A method and apparatus for self-calibrating control of gas flow. The gas flow rate is initially set by controlling, to a high degree of precision, the amount of opening of a flow restriction, where the design of the apparatus containing the flow restriction lends itself... | 05/12/2011 |
| 20110108128 | VACUUM TREATMENT APPARATUS AND GAS SUPPLY METHOD In a vacuum treatment apparatus according to an embodiment of the present invention, a control means performs, when treatment in a vacuum vessel using a flammable gas (step S2) ends, a step of closing a first valve and performing evacuation (step S3), a st... | 05/12/2011 |
| 20110108127 | LIQUID FLOW MEASURING DURING BUOY-LOADING The invention relates to a method for measuring and controlling a fluid flow in a pipe system for liquid transport, such as oil flow during buoy loading, wherein there in each end of a the pipe system is spliced in a sensor (1) consisting of a pipe section (2<... | 05/12/2011 |
| 20110100474 | PRESSURE CONTROL DEVICE A method for at least providing at least a first and a second assembly for manufacturing, respectively, a first reference pressure chamber (1A) which in use in a pressure control device encloses a gas such that the gas is held under a first reference pressure, an... | 05/05/2011 |
| 20110094595 | METHOD OF OPERATING A CONTROL VALVE ASSEMBLY FOR A HYDRAULIC SYSTEM A method of operating a control valve assembly for a hydraulic system includes detecting the current operation of a first position sensor and a second position sensor to determine if at least one of the first position sensor and the second position sensor is inoperable.... | 04/28/2011 |
| 20110083750 | METHOD FOR OPERATING A HYDRAULIC ACTUATION POWER SYSTEM EXPERIENCING PRESSURE SENSOR FAULTS A method for operating a hydraulic actuation system during a pressure sensor malfunction is provided. The hydraulic actuation system includes a pump, a reservoir, a first work-port and a second work-port, a valve system with individual orifices, a pressure sensor system... | 04/14/2011 |
| 20110079288 | METHOD AND APPARATUS FOR PREVENTING ENERGY LEAKAGE FROM ELECTRICAL TRANSMISSION LINES Apparatus for preventing energy leakage from a transmission line treats the line as a “partially closed” vessel. A gas stream with a pressure slightly different from ambient pressure is provided to the interior of the transmission line and a conduit that allows gas ... | 04/07/2011 |
| 20110023969 | WATER SAVING DEVICE AND METHOD OF USING SAME A water saving device and method of using same disclosed in the present invention, wherein the water saving device comprising a sleeve (2) and an elastomer (1) fixed in said sleeve (2), said elastomer (1) having at least a permanently-open ho... | 02/03/2011 |
| 20110017309 | PUMP WITH INTEGRAL CAISSON DISCHARGE A caisson for submersible pumps and method of operating a pump that is fluidly cooperative with the caisson. The pump discharge and the caisson are fluidly coupled to one another such that upon discharge of a fluid being pumped, the caisson acts as the fluid conduit, th... | 01/27/2011 |
| 20110005605 | LIQUID DELIVERY CONTROL METHOD AND LIQUID DELIVERY CONTROL SYSTEM The present invention provides a liquid delivery control method for delivering a liquid 8 by generating, in a microchannel 3 in which the liquid 8 is present, a differential pressure with respect to the liquid 8 by using a pump 6. The ... | 01/13/2011 |
| 20100326533 | FLOW CONTROL VALVE AND METHOD OF USE A multistage, pilot-operated pressure regulator for pressure adjustment and/or back pressure relief and/or differential pressure or flow control applications comprises a diaphragm and a plurality of plates, including a throttle plate and at least one flow control plate.... | 12/30/2010 |
| 20100329903 | COMPRESSED AIR ENERGY STORAGE SYSTEM UTILIZING TWO-PHASE FLOW TO FACILITATE HEAT EXCHANGE A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of ... | 12/30/2010 |
| 20100319784 | FLOW RESTRICTOR The invention relates to a flow restrictor (1) for restricting a volume flow through a liquid line, said flow restrictor comprising a support (10) having a passage and a bent flat spring (11) attached to the support (10). The flat spring (... | 12/23/2010 |
| 20100294375 | SPEED CONTROL VALVE SYSTEM A speed controller valve system for regulating an opening speed and a closing speed of a pressure reducing valve includes a first inlet couplable to a main valve inlet of a pressure reducing valve. An outlet is couplable to a power chamber of the pressure reducing valve... | 11/25/2010 |
| 20100293927 | METHOD AND DEVICE FOR SAFE AND CONTROLLED DELIVERY OF AMMONIA FROM A SOLID AMMONIA STORAGE MEDIUM Solid metal ammine complexes are applied for safe and high-density storage of ammonia to be released for use as reducing agent in selective catalytic reduction of NOx in exhaust gases. The compositional formula of the metal ammine complexes is M(NH3 11/25/2010 | |
| 20100294376 | TWO-WAY ACTUATOR AND METHOD Disclosed herein is a two-way actuator. The actuator includes, a tubular, movably positionable within a structure between at least a first position and a second position, the tubular having a first density selected such that buoyancy forces urge the tubular toward the f... | 11/25/2010 |
| 20100288368 | 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 and an output port. The channel is filled with fluid and a pressure gradient is generated between the fluid at the input port and the fluid at the output por... | 11/18/2010 |
| 20100288369 | Piping System And Control For Semiconductor Processing A vacuum system for semiconductor fabrication. The system includes a vacuum chamber for performing a semiconductor fabrication process, a vacuum source, and a piping system fluidly connecting the vacuum chamber to the vacuum source. In one embodiment, the piping system ... | 11/18/2010 |
| 20100263733 | DENTAL SYRINGE A dental syringe may include a replaceable valve cartridge containing one or more valves which may use a seating surface and an opposing seating surface with a relative angle formed between the two surfaces. The relative angle allows for regulation of the flow of fluid.... | 10/21/2010 |
| 20100258747 | Systems and methods for protecting an EUV light source chamber from high pressure source material leaks A device is described herein which may comprise a chamber, a fluid line, a pressurized source material in the fluid line, a component restricting flow of the source material into the chamber, a sensor measuring flow of a fluid in the fluid line and providing a signal in... | 10/14/2010 |
