General Electric Patent Grants

Electrodialysis method and apparatus for passivating scaling species

Granted: July 18, 2017
Patent Number: 9707517
In one embodiment, this invention relates to an electrodialysis device comprising an inlet for directing a feed stream into a plurality of first feed paths and a plurality of second feed paths; the feed stream is comprised of a first anionic scaling species and a first cationic scaling species; the first cationic scaling species is transferred from the second feed paths to the first feed paths through a first membrane group, the first anionic scaling species is transferred from the first…

Crossflow filtration cassette holder

Granted: July 18, 2017
Patent Number: 9707519
A robust crossflow filtration cassette holder, allowing easy mounting and removal of filtration cassettes. The cassette holder comprises a distributor plate, an end-plate, a plurality of essentially parallel tie rods connecting the distributor plate with the end-plate, and a compression plate slidably mounted on the tie rods between the distributor plate and the end plate, wherein at least one of the tie rods is movable in its entirety between an open position or orientation, allowing…

Systems, methods, and apparatus for locating and drilling closed holes of a turbine component

Granted: July 18, 2017
Patent Number: 9707645
Certain embodiments of the disclosure may include systems, methods, and apparatus for locating and drilling closed holes of a gas turbine component. According to an example embodiment, the method can include receiving position data associated with one or more holes in a gas turbine component; receiving predefined hole position data from manufacturing data associated with the gas turbine component; determining at least one missing hole, based at least in part on comparing the received…

Borates for photoactivated chemical bleaching

Granted: July 18, 2017
Patent Number: 9708349
A borate compound for use as photoinduced chemical bleaching reagent is disclosed having improved bleaching performance under certain conditions, compared to neutral borates. The compounds are comprised of Formula I; R1R2R3R4BXa?? I where each R1, R2, and R3 and R4 is, independently, an alkyl, alkylaryl, or arylalkyl, with the proviso that at least one of R1, R2, and R3 and R4 is an alkyl group and at least two of R1, R2, R3 and R4 group is positively charged; X is an anion; and a…

Method for converting carbon and hydrocarbon cracking and apparatus for hydrocarbon cracking

Granted: July 18, 2017
Patent Number: 9708545
A method for converting carbon into a carbon oxide, comprises: contacting carbon with steam in presence of a carnegieite-like material of formula (Na2O)xNa2[Al2Si2O8], wherein 0<x?1. Method and apparatus for hydrocarbon cracking are also described herein.

Electric pulse generation systems using capacitive coupling

Granted: July 18, 2017
Patent Number: 9708597
In accordance with the present disclosure, exposure of a sample to one or more electric pulses via capacitive coupling is described. In certain embodiments, the sample may be a biological sample to be treated or modified using the pulsed electric fields. In certain embodiments, the electric pulses may be delivered to a load using capacitive coupling. In other embodiments, the electric pulses may be bipolar pulses.

Effective area metal loss clustering

Granted: July 18, 2017
Patent Number: 9708797
A method of in-line inspection of integrity of a pipeline includes identifying a first prospective cluster related to at least a first feature of the pipeline and a second prospective cluster related to at least a second feature of the pipeline. The method includes calculating an effective area using Length Adaptive Pressure Assessment (LAPA) techniques. The effective area corresponds to a lower calculated burst pressure than surrounding areas of the pipeline. LAPA techniques are used to…

Hot gas components with compound angled cooling features and methods of manufacture

Granted: July 18, 2017
Patent Number: 9708915
A hot gas path component including a substrate having an outer surface exposed to a stream of hot gases and an inner surface exposed to a cooling flow. One or more pair of cooling supply inlets is formed at the inner surface of the substrate for receiving the cooling air flow. One or more pair of cooling supply outlets is formed at the outer surface of the substrate for discharging the cooling air flow. A cooling flow channel extends through the substrate and between each of cooling…

Turbine bucket plenum for cooling flows

Granted: July 18, 2017
Patent Number: 9708916
A casted turbine bucket having at least one machined plenum including a plenum chamber and at least one plenum passage connected to a plenum inlet at a root portion of turbine bucket, and a method to feed cooling flow to the turbine bucket using the machined plenum that receives cooling flow from the root portion of the turbine bucket.

System and method for controlling wind turbines in wind farms

Granted: July 18, 2017
Patent Number: 9709037
A method for controlling a wind farm including a plurality of wind turbines is provided. The method includes computing an error between a farm-level base point power and a measured wind farm power, generating an aggregated farm-level active power set point for the wind farm based on the error and a frequency response set point, generating aggregated turbine-level active power set points based on the aggregated farm-level active power set point, transmitting the aggregated turbine-level…

Clamped connector systems for use with piping assemblies

Granted: July 18, 2017
Patent Number: 9709198
A clamp connector system for use with a plurality of flanged connections is provided. Each of the flanged connections includes a first hub, a first flange, a second hub, and a second flange. The system includes a first clamp connector sized to circumferentially couple about the first and second flanges of a first of the flanged connections, and a second clamp connector sized to circumferentially couple about the first and second flanges of a second of the flanged connections. The system…

Debris removal system

Granted: July 18, 2017
Patent Number: 9709275
A casing for a turbo-machine at least partially defines a flow path for a working fluid through or around one or more of a compressor section, a combustor assembly, or a turbine section. The casing defines an inner surface and the inner surface defines a plurality of debris routing channels. The plurality of debris routing channels are configured to route debris in a working fluid within the casing towards a debris collection mechanism.

Fuel plenum premixing tube with surface treatment

Granted: July 18, 2017
Patent Number: 9709277
The present application provides a micro-mixer fuel plenum for mixing a flow of fuel and a flow of air in a combustor. The micro-mixing fuel plenum may include an outer barrel and a number of mixing tubes positioned within the outer barrel. The mixing tubes may include one or more heat transfer features thereon.

System and method for control of combustion dynamics in combustion system

Granted: July 18, 2017
Patent Number: 9709278
A system includes a gas turbine engine that includes a first combustor and a second combustor. The first combustor includes a first fuel nozzle disposed in a first head end chamber of the first combustor and a first fuel injector. The first fuel nozzle is configured to inject a first fuel and an oxidant into a first combustion chamber of the first combustor. The second combustor includes a second fuel nozzle disposed in a second head end chamber of the second combustor, a second fuel…

System and method for control of combustion dynamics in combustion system

Granted: July 18, 2017
Patent Number: 9709279
A system includes a gas turbine engine that includes a first combustor and a second combustor. The first combustor includes a first oxidant flow path and a first perforated structure comprising a first plurality of oxidant ports, wherein the first perforated structure is disposed in the first oxidant flow path. The second combustor includes a second oxidant flow path and a second perforated structure comprising a second plurality of oxidant ports. The second perforated structure is…

MEMS based membrane sensor system and method of use

Granted: July 18, 2017
Patent Number: 9709429
A MEMS sensor system for monitoring membrane elements in a membrane based water filtration plant having a remote telemetry unit (RTU), a SCADA, and a plurality of MEMS sensors for measuring pressure, flow rate. and conductivity. The water filtration plant has a train with a membrane vessel containing a plurality of membrane elements arranged in series creating interfaces between each membrane element. The MEMS sensors are located at the membrane element interfaces. A method of monitoring…

Systems and methods for processing complex biological materials

Granted: July 18, 2017
Patent Number: 9709549
Method and systems, for processing biological material, that contain a biological material in a vessel; add an aggregating agent to the material in the vessel and allow the material to separate into two or more distinct submaterials; extract one or more of the submaterials from the vessel; automatically transport one or more of the submaterials remaining in the vessel to a filtration device; and collect a resulting target retentate into a target retentate receptacle.

Transducer systems

Granted: July 18, 2017
Patent Number: 9711709
Transducer systems with reduced acoustic noise coupling are disclosed herein. In some embodiments, a transducer system includes pressure balancing features to prevent a floating portion of the transducer system from contacting a fixed portion of the transducer system, or to reduce the degree to which the floating portion is urged into contact with the fixed portion by process pressure or atmospheric pressure. In some embodiments, a transducer system includes one or more acoustic…

Method and system for operating a power generation and delivery system

Granted: July 18, 2017
Patent Number: 9711964
A method for controlling operation of a power generation and delivery system while increasing a power output of the power generation and delivery system is described. The method includes, monitoring an output parameter of the power generation and delivery system and determining a rate of change of the output parameter as a function of time. A reactive current command signal is generated a as a function of the determined rate of change of the output parameter. Operation of a power…

Passive wireless sensors

Granted: July 18, 2017
Patent Number: 9712894
A passive wireless sensor having a plurality of dielectric layers, an antenna, a diaphragm, and a feeding element is provided. Further, the antenna is disposed in at least a portion of a cavity formed by one or more dielectric layers of the plurality of dielectric layers. Moreover, the diaphragm is disposed on the cavity. Additionally, the feeding element is disposed in at least a portion of the plurality of dielectric layers. Also, the feeding element is operatively coupled to the…