Patent application number | Description | Published |
20120059309 | Fluid Delivery and Treatment Device and Method of Use - A medical device system is provided herein which has an elongated, flexible hollow member with an expandable infusion segment attached at the most distal end of the device. The device has a plurality of fluid infusion ports on the expandable infusion segment for delivering an intended fluid to a target site in a body lumen. Additionally, a method is provided herein for infusing an intended fluid to a target site within a body lumen. | 03-08-2012 |
20120059356 | DEVICE AND METHOD FOR REMOVING MATERIAL FROM A HOLLOW ANATOMICAL STRUCTURE - A medical device for removing a material from a hollow anatomical structure is provided. The device includes a radially expandable capture member. The device includes a treatment segment that is positioned distally of the capture member in use and having at least one exit port adapted for delivering a fluid agent to the material. The device includes an embolic capture device that is positioned distally of the treatment segment in use and including a radially expandable filter for capturing a part of the material which travels downstream of the treatment segment. Additionally, a method is provided herein for infusing, injecting, distributing, or releasing an intended fluid into a hollow anatomical structure. | 03-08-2012 |
20120101471 | SELF-POWERED INFUSION DEVICE AND METHOD OF USE - A medical device system is provided here which has a disposable pump member capable of delivering fluid at a high pressure and a controlled rate. The disposable pump member has an internal power source that provides an energy source for a drivable pump used during treatment. Additionally, a method is provided herein for infusing, injecting, or delivering an intended fluid into a body vessel at a high pressure and a controlled rate. | 04-26-2012 |
Patent application number | Description | Published |
20090261578 | Plug-In Coupling for Cryogenic Lines - A plug-in coupling for cryogenic lines is described, having at least two pipes ( | 10-22-2009 |
20120256413 | ARRANGEMENT WITH A METAL PIPE AND A CONNECTING ELEMENT, AS WELL AS METHOD OF MOUNTING THE CONNECTING ELEMENT - An arrangement is provided for a helically undulated pipe made of metal, which has an end face extending along a turn of the thread of its undulation and a connecting element to be fastened to the pipe. The connecting element includes a pipe piece which has a helically extending inner surface corresponding to the turn of the thread of the undulation of the pipe. The pipe piece is mounted on the pipe in the undulation of the pipe. A metal ring is arranged on the pipe piece, where the pipe piece has sections with different inner diameters arranged one behind the other in the axial direction. | 10-11-2012 |
20140038827 | ARRANGEMENT WITH AT LEAST ONE SUPERCONDUCTIVE CABLE - An arrangement is provided with at least one superconductive cable and a cryostat surrounding the cable is disclosed. The cryostat includes at least one thermally insulated pipe which encloses the superconductive cable and a hollow space for conducting a cooling agent therethrough. The cryostat is constructed in the same manner as the superconductive cable located in the cryostat for connection to stationary parts of a transmission path for electrical energy. At each of the ends of the cryostat (KR) constructed for connection to the stationary parts of the transmission path, two spaced apart bellows are mounted in the cryostat (KR), and between the two bellows each of the two ends of the cryostat (KR) a thermally insulated and curved pipe piece is mounted belonging to the cryostat (KR). | 02-06-2014 |
20140115859 | ARRANGEMENT WITH A METAL PIPE AND A CONNECTING ELEMENT, AS WELL AS METHOD OF MOUNTING THE CONNECTING ELEMENT - An arrangement is provided for a helically undulated pipe made of metal, which has an end face extending along a turn of the thread of its undulation and a connecting element to be fastened to the pipe. The connecting element includes a pipe piece which has a helically extending inner surface corresponding to the turn of the thread of the undulation of the pipe. The pipe piece is mounted on the pipe in the undulation of the pipe. A metal ring is arranged on the pipe piece, where the pipe piece has sections with different inner diameters arranged one behind the other in the axial direction. | 05-01-2014 |
Patent application number | Description | Published |
20100305768 | CONTROL FOR IMPROVED THERMAL PERFORMANCE OF A STEAM TURBINE AT PARTIAL LOAD - A method controls at least a portion of a combined cycle power plant having at least one gas turbine, at least one heat recovery steam generator, and at least one steam turbine. The method includes developing an actual operating curve of a steam characteristic of the at least one heat recovery steam generator versus an amount of steam provided to the at least one steam turbine from the at least one heat recovery steam generator. The method also includes determining the steam characteristic of the at least one heat recovery steam generator at a point in time during operation of the combined cycle power plant. The method further includes providing an amount of the steam from the at least one heat recovery steam generator to the at least one steam turbine depending upon the determined steam characteristic of the at least one heat recovery steam generator at the point in time. | 12-02-2010 |
20120151918 | METHOD FOR OPERATING A TURBOMACHINE DURING A LOADING PROCESS - A method for increasing the operational flexibility of a turbomachine is provided. The turbomachine may include a first section, a second section, and a rotor disposed within the first section and the second section. The method may determine an allowable range of a physical parameter associated with the first section and/or the second section. The method may modulate a first valve and/or a second valve to allow steam flow into the first section and the second section respectively, wherein the modulation is based on the allowable range of the physical parameter. In addition, the physical parameter allows the method to independently apportion steam flow between the first section and the second section of the turbomachine, during the loading process. | 06-21-2012 |
20120151921 | METHOD FOR STARTING A TURBOMACHINE - A method for increasing the operational flexibility of a turbomachine during a startup phase is provided. The turbomachine may include a first section, a second section, and a rotor disposed within the first section and the second section. The method may determine an allowable range of a physical parameter associated with the first section and/or the second section. The method may modulate a first valve and/or a second valve to allow steam flow into the first section and the second section respectively, wherein the modulation is based on the allowable range of the physical parameter. In addition, the physical parameter allows the method to independently apportion steam flow between the first section and the second section of the turbomachine, during the startup phase. | 06-21-2012 |
20120151925 | METHOD AND SYSTEM FOR CONTROLLING A VALVE OF A TURBOMACHINE - A method and a system for limiting steam flow entering a steam turbine are provided. The method and system may intentionally unbalance the steam flow apportioned between sections of the steam turbine. The steam turbine comprises at least: a first section, a second section, and a rotor disposed within each section. The method may receive a speed/load command, or the like, which provides reference strokes for a first valve, associated with the first section; and a second valve, associated with the second section. The method may also determine an operational parameter that may limit the reference strokes relative to the speed/load command. The operational parameter may determine the allowable steam flow for each section of steam turbine, independent of the speed/load command. | 06-21-2012 |
20120156004 | METHOD FOR SHUTTING DOWN A TURBOMACHINE - A method for increasing the operational flexibility of a turbomachine during a shutdown phase is provided. The turbomachine may include a first section, a second section, and a rotor disposed within the first section and the second section. The method may determine an allowable range of a physical parameter associated with the first section and/or the second section. The method may modulate a first valve and/or a second valve to allow steam flow into the first section and the second section respectively, wherein the modulation is based on the allowable range of the physical parameter. In addition, the physical parameter allows the method to independently apportion steam flow between the first section and the second section of the turbomachine, during the shutdown phase. | 06-21-2012 |
20120239315 | VALVE FAULT TEST SYSTEM - A valve fault test system is disclosed. The system tests for leakage in a valve within a turbine system having a gas turbine and a steam turbine sharing a common shaft, by performing actions including: placing the gas turbine in a control mode; determining a power output for the steam turbine corresponding to the control mode of the gas turbine; preventing steam flow to the steam turbine by providing instructions to close at least one of a steam turbine control valve or a steam turbine stop valve; determining a power output for the steam turbine corresponding to the steam flow being prevented to the steam turbine; and comparing the power output for the steam turbine corresponding to the closed at least one of the control valve or the stop valve to an expected power output for the steam turbine to determine whether a leakage in the valve exceeds a predetermined threshold. | 09-20-2012 |
20130133594 | STEAM GENERATION SYSTEMS AND METHODS FOR CONTROLLING OPERATION OF SAME - A method for controlling the operation of a steam generation system is provided. Fluid flow is channeled from at least one first boiler within at least one conduit. Fluid flow is added within the conduit from at least one second boiler. At least one operating condition within the first and second boilers is detected. A fluid pressure set point and/or a fluid temperature set point for each boiler is determined based on the operating condition detected for each boiler. A fluid pressure and/or a fluid temperature is maintained within the first and second boiler to be approximately equal to the fluid pressure set point and the fluid temperature set point for each boiler, respectively, prior to fluid flow being channeled and/or during the channeling of fluid flow from the first boiler and/or the second boiler within the conduit to a steam process and/or at least one steam turbine engine. | 05-30-2013 |
20130319536 | SYSTEM AND METHOD FOR DRUM LEVEL CONTROL - A level control system is provided. The system includes multiple sensors configured to measure multiple parameters related to a drum, wherein the multiple parameters include a drum liquid level, a vapor flow rate leaving the drum, a downstream pressure of the drum, and a feed-liquid flow rate entering the drum. The system also includes a level controller configured to adjust a level control valve in accordance with a signal representative of the drum liquid level, a signal representative of the downstream pressure and a signal representative of a given drum liquid level set point. The level controller is further configured to receive a feedback signal representative of a combination of a fraction of the signal representative of the drum liquid level and a fraction of the signal representative of the downstream pressure. | 12-05-2013 |