General Electric Patent Applications

TEMPERATURE ACTIVATED ELASTOMERIC SEALING DEVICE

Granted: May 18, 2017
Application Number: 20170138147
An elastomeric sealing device operable at an operating temperature above an installation temperature. The sealing device includes a body fabricated from an elastomeric material. A channel is formed within the body. A mesh is disposed within the channel. The mesh includes a plurality of interwoven fibers forming an inner volume. A filler is disposed within the inner volume. At least a portion of the filler is a liquid at the installation temperature. The at least a portion of the filler…

APPARATUS AND METHOD FOR CONTROL OF MULTI-INVERTER POWER CONVERTER

Granted: May 18, 2017
Application Number: 20170141698
A control apparatus includes a control logic circuit that is configured to generate control signals for controlling at least two inverters (e.g., 3-phase inverters) that are coupled in parallel. The control logic circuit is configured to sample output currents present in common load terminals of the inverters, and to compare the sampled currents to generated current references. The output currents may be sampled, and/or the current references generated, at a fixed rate. Errors between…

MODULAR STACKED DC ARCHITECTURE TRACTION SYSTEM AND METHOD OF MAKING SAME

Granted: May 11, 2017
Application Number: 20170133969
A modular stacked DC architecture for traction system includes a propulsion system includes an electric drive, a direct current (DC) link electrically coupled to the electric drive, and a first DC-DC converter coupled to the DC link. A first energy storage device (ESD) is electrically coupled to the first DC-DC converter, and a second DC-DC converter is coupled to the DC link and to the first DC-DC converter. The system also includes a second energy storage device electrically coupled to…

METHOD FOR ECG LEAD PLACEMENT CHANGES TO BE ACCURATELY ACCOUNTED FOR

Granted: May 4, 2017
Application Number: 20170119269
An electrocardiograph system including a monitoring device capable of receiving cardiac signals from electrodes attached to a patient in an alternative electrode configuration, wherein the alternative electrode configuration is one of a predetermined set of known electrode configurations that differs from a default configuration. The system further includes an analysis module configured to analyze the cardiac signals to detect that the electrodes are attached to the patient in an…

DUAL-PURPOSE DISPLACER SYSTEM AND METHOD

Granted: May 4, 2017
Application Number: 20170123025
A dual-purpose displacer for adjusting a liquid cryogen level in a cryostat, the dual-purpose displacer includes a displacer wall having an exterior displacer surface and an interior displacer surface. The interior displacer surface defines a displacing chamber configured to contain a first portion of liquid cryogen. The exterior displacer surface is configured to displace a second portion of liquid cryogen contained in a cryogenic chamber of the cryostat. The dual-purpose displacer is…

MAGNETIC RESONANCE IMAGING MATRIX SHIM COIL SYSTEM AND METHOD

Granted: May 4, 2017
Application Number: 20170123026
A method for improving image quality in a magnetic resonance imaging system, the method includes rapidly modulating an electrical current in a matrix shim coil of the magnetic resonance imaging system to compensate high order eddy currents in the system.

METHOD AND SYSTEM FOR ANALYZING ELECTROCARDIOGRAPH DATA

Granted: May 4, 2017
Application Number: 20170124256
A method for analyzing ECG data includes recording a biometric identifier from a patient and encoding the biometric identifier to create a patient's encoded biometric identifier. The method further includes accessing an ECG database of prior ECG files, each prior ECG file containing a prior ECG waveform and a prior encoded biometric identifier therein. The method further includes comparing the patient's encoded biometric identifier to the prior encoded biometric identifier of one or more…

SEMICONDUCTOR SWITCHING CIRCUIT

Granted: May 4, 2017
Application Number: 20170126015
A semiconductor switching circuit, for use in a HVDC power converter, includes a main current branch including a main semiconductor switching element through which current flows when the main semiconductor switching element is switched on; and an auxiliary current branch connected in parallel or inverse-parallel with the main current branch. The auxiliary current branch includes an auxiliary circuit having a plurality of active auxiliary semiconductor switching elements connected to form…

Medical Vaporizer

Granted: April 27, 2017
Application Number: 20170113010
A medical vaporizer includes a liquid drug reservoir configured to receive and hold a liquid drug. A low power graphical display is configured to intermittently receive power. The low power graphical display is operable to visually present information and maintain the visual presentation of information in the absence of power. A controller is configured to intermittently receive power and upon receiving power the controller operates to determine a status of a medical vaporizer. The…

SYSTEM AND METHOD FOR COOLING A MAGNETIC RESONANCE IMAGING DEVICE

Granted: April 27, 2017
Application Number: 20170115366
A cooling system includes a first cooling loop containing a first cryogen, the first cooling loop being in thermal communication with a superconducting magnet and being configured to provide primary cooling for the magnet and a second cooling loop also containing the first cryogen. The second cooling loop is in thermal communication with an enclosure containing a second cryogen and is configured to cool the second cryogen within the enclosure. The enclosure is in thermal communication…

METHOD AND SYSTEM OF DIRECTING POSITIONING OF ECG ELECTRODES

Granted: April 20, 2017
Application Number: 20170105678
A method of directing positioning of ECG electrodes on a patient includes receiving at a processor an image of the patient with one or more electrodes and determining with the processor an actual location of each of the electrodes on the patient based on the image. The method further includes determining with the processor whether the actual location of each of the electrodes is correct and providing information via a user interface regarding the actual location of the electrodes.

SYSTEM AND METHOD OF ADAPTIVE INTERPRETATION OF ECG WAVEFORMS

Granted: April 20, 2017
Application Number: 20170105683
A cluster database includes existing, ECG datasets organized into clusters, wherein each existing ECG dataset includes an existing ECG waveform with at least one corresponding existing feature and existing interpretation. Each cluster is comprised of existing ECG datasets having a common existing feature. The duster training module is executable by the processor to receive a new ECG waveform and a feature extracted from the new ECG waveform. The cluster training module then selects a…

SYSTEM AND METHOD FOR DRILLING FLUID PARAMETERS DETECTION

Granted: April 20, 2017
Application Number: 20170107812
A system and method are described which are useful for monitoring parameters of drilling fluid within a drilling system comprising a drilling assembly. The drilling assembly is connected between a drilling platform and a wellhead and is useful for more safely drilling a wellbore necessary for hydrocarbon exploration and production by signaling the occurrence of a kick. The drilling assembly comprises a reader module for reading data information of at least one RF tag dispersed in a…

ACETATE COMPLEXES AND METHODS FOR ACETATE QUANTIFICATION

Granted: April 20, 2017
Application Number: 20170108481
The present invention is directed to methods of acetate quantification and acetate complexes useful in the methods of acetate quantification. Such methods and complexes are useful for any application where acetate quantification is desired, including measuring of concentration of 13C hyperpolarized acetate for imaging agent quality control in MRI and NMR spectroscopy. The disclosed acetate complexes may be prepared from acetate, Fe3+, and sulfosalicylic acid and from acetate, Fe3+, and…

LUNG FUNCTION MONITORING

Granted: April 13, 2017
Application Number: 20170100059
A signal of a current-voltage sensor array in one embodiment is processed for output of data in a form for use by a care provider. The current-voltage sensor array in one embodiment is a non-invasive current-voltage sensor array adapted to surround a thorax of a patient. The output of data in one embodiment is provided in a lung function visualization output form that depicts functioning of a patient's lungs.

AN INSULATION MATERIAL AND A METHOD TO PRODUCE

Granted: April 13, 2017
Application Number: 20170101337
The present disclosure relates to an insulation material for a conductor bar of an electric machine. An object of the invention is to provide for an alternative insulation material in the field of electric machines. The object is solved by an insulation material for a conductor bar for an electric machine comprising glass-ceramic flakes made from a heat treated silica glass precursor in the shape of flakes. Further disclosed are a corresponding method and the use of glass-ceramic flakes…

ARTICLES WITH ENHANCED TEMPERATURE CAPABILITY

Granted: April 13, 2017
Application Number: 20170101348
The disclosure provides for an article including a substrate, an environmental barrier coating (EBC), a bondcoat and a boron source. The substrate may include a silicon-including ceramic material. The EBC may be disposed over the substrate, and the bondcoat may disposed between the substrate and the EBC. The bondcoat may include silicon. The boron source may be disposed within the article to provide an effective amount of boron to form an oxide including silicon and at least 0.1 weight…

TURBINE ENGINE, COMPONENTS, AND METHODS OF COOLING SAME

Granted: April 13, 2017
Application Number: 20170101896
A centrifugal separator for removing particles from a fluid stream includes an angular velocity increaser configured to increase the angular velocity of a fluid stream, a flow splitter configured to split the fluid stream to form a concentrated-particle stream and a reduced-particle stream, and an exit conduit configured to receive the reduced-particle stream. An inducer assembly for a turbine engine includes an inducer with a flow passage having an inducer inlet and an inducer outlet in…

ENGINE COMPONENTS WITH IMPINGEMENT COOLING FEATURES

Granted: April 13, 2017
Application Number: 20170101932
Gas turbine engine components are provided which utilize an insert to provide cooling air along a cooled surface of an engine component. The insert provides cooling holes or apertures which face the cool side surface of the engine component and direct cooling air onto that cool side surface. The apertures may be formed in arrays and directed at an oblique or a non-orthogonal angle to the surface of the insert and may be at an angle to the surface of the engine component being cooled. An…

METHODS FOR PRODUCING PASSIVE STRAIN INDICATOR ON TURBINE COMPONENTS

Granted: April 6, 2017
Application Number: 20170097234
Methods for manufacturing passive strain indicator on turbine components include providing a turbine component comprising an exterior surface, and, depositing a ceramic material onto a portion of the exterior surface to form a passive strain indicator comprising at least two reference points.