General Electric Patent Applications

ELECTRICAL POWER SYSTEMS

Granted: July 2, 2020
Application Number: 20200209299
In differential protection schemes for electrical power systems there is a need to employ a synchronization technique to enable time alignment of local terminal current with received current from a remote terminal in order reliably to operate the differential protection scheme. A method of determining a communication time delay in a communication network between a local terminal and each of a plurality of remote terminals in a multi-terminal multi junction electrical power system…

HYBRID ROTOR BLADES FOR TURBINE ENGINES

Granted: July 2, 2020
Application Number: 20200208528
A gas turbine that includes a rotor blade that includes an airfoil. The airfoil may include non-integral base and top portions. The airfoil may include a pin connector connecting the top portion to the base portion. The pin connector may include: a tab extending from the top portion; a complimentary slot for receiving the tab formed in the base portion; an elongated pin cavity formed through an interior region of the airfoil, where the pin cavity intersects the slot to divide the pin…

HYBRID ROTOR BLADES FOR TURBINE ENGINES

Granted: July 2, 2020
Application Number: 20200208527
A gas turbine that includes a rotor blade that includes an airfoil. The airfoil may include non-integral portions in which: a base portion is made from a first material; and a top portion is made from a second material. The airfoil may include a connector securing the base portion to the top portion of the airfoil, wherein the connector comprises a wire-lock connector that includes: a tab extending from one of the base portion and the top portion; a complimentary slot for receiving the…

HYBRID ROTOR BLADES FOR TURBINE ENGINES

Granted: July 2, 2020
Application Number: 20200208526
A gas turbine that includes a rotor blade that includes an airfoil. The airfoil is defined between a pressure face and a laterally opposed suction face, the pressure face and the suction face extending axially between opposite leading and trailing edges and radially between an outboard tip and a connection with a root of the rotor blade. The airfoil may include non-integral portions in which: a base portion of the airfoil is made from a first material; and a top portion of the airfoil is…

SpO2 SYSTEM AND METHOD

Granted: June 25, 2020
Application Number: 20200196926
A SpO2 measurement system includes at least one light transmitter configured to transmit a first wavelength light and a second wavelength light into tissue of a patient, wherein the second wavelength is shorter than the first wavelength, and a detection device that detects the first wavelength light and the second wavelength light emitted from the tissue of the patient. The SpO2 measurement system operates the at least one light transmitter in a high power mode during a first time period…

METHOD AND DEVICE FOR MEASURING FEATURES ON OR NEAR AN OBJECT

Granted: June 25, 2020
Application Number: 20200202543
A method and device for measuring dimensions of a feature on or near an object using a video inspection device. A reference surface is determined based on reference surface points on the surface of the object. One or more measurement cursors are placed on measurement pixels of an image of the object. Projected reference surface points associated with the measurement pixels on the reference surface are determined. The dimensions of the feature can be determined using the three-dimensional…

INTELLECTUAL PROPERTY EXCHANGE ECOSYSTEM FOR ADDITIVE MANUFACTURING

Granted: June 25, 2020
Application Number: 20200202467
According to some embodiments, a system may include an additive manufacturing platform that provides additive manufacturing capability data. A customer platform, associated with a customer, may transmit an industrial asset item request for an industrial asset item. A digital transaction engine may receive the additive manufacturing capability data and the industrial asset item request. The digital transaction engine may then associate the industrial asset item request with an industrial…

METHODS AND SYSTEMS FOR MONITORING GAS TURBINE STARTUPS

Granted: June 25, 2020
Application Number: 20200200035
A method for determining a performance characteristic for a target startup sequence of a gas turbine, wherein the gas turbine includes a compressor, a combustor, and, drivingly coupled to the compressor, a turbine. The method includes the steps of: measuring one or more operating parameters during a target operating period of the gas turbine, the target operating period being selected so that the target operating period includes the target startup sequence; creating a time series plot…

LUNG PROTECTIVE VENTILATION CONTROL

Granted: June 25, 2020
Application Number: 20200197641
Systems and methods of control of a mechanical ventilator include receiving machine data from a mechanical ventilator. A surgical event is detected in the received machine data. Clinical events within the surgical event are detected in the machine data. The machine data and the detected plurality of clinical events are evaluated for compliance with lung protective ventilation recommendations.

SYSTEM AND METHOD FOR ACQUIRING AN X-RAY IMAGE

Granted: June 25, 2020
Application Number: 20200196975
An x-ray imaging system is provided. The system includes an x-ray emitter and an x-ray detector. The system further includes a sensor operative to acquire one or more image acquisition factors, and a controller in electronic communication with the x-ray emitter, the x-ray detector, and the sensor. The controller is operative to: acquire an x-ray image of a patient via the x-ray emitter and the x-ray detector; receive the one or more image acquisition factors from the sensor; and generate…

MULTILAYER X-RAY SOURCE TARGET WITH STRESS RELIEVING LAYER

Granted: June 18, 2020
Application Number: 20200194212
An X-ray source target includes a structure configured to generate X-rays when impacted by an electron beam. The structure has an X-ray generating layer comprising X-ray generating material, and a thermally-conductive layer is adjacent to and in thermal communication with the X-ray generating layer. A stress relieving layer is adjacent to the thermally-conductive layer. The thermally-conductive layer is sandwiched between the X-ray generating layer and the stress relieving layer.

Global Environmental Data and Application Methods For Understanding Engine Health and Maintenance

Granted: June 18, 2020
Application Number: 20200193846
Provided is an engine health management system and method for determining health of an engine of an aircraft, that includes a data source interface which transmits data from internal and external data sources, a control module that includes a processor and a memory and receives data via the data source interface, creates evaluation methods for evaluating the data received to determine suitable data and storing the suitable data within the memory, and creates a controlled historical…

TUBE WITH CONDUCTIVE FINS

Granted: June 18, 2020
Application Number: 20200191502
A tube includes a center tube comprising a steel material, a fluid flowing through the center tube; and at least one disk disposed around the center tube, the disk including a thermally conductive material and exposed to an external heat source. The disk conducts heat from the external heat source into the center tube. The center tube transfers the heat from the external heat source into the fluid. The thermal conductivity of the at least one disk is higher than the thermal conductivity…

ROTATING DETONATION PROPULSION SYSTEM

Granted: June 18, 2020
Application Number: 20200191399
A propulsion system includes at least one rotating detonation actuator comprising: a flow path extending from an inlet end to an outlet end; an inner wall defining a radially inner boundary of the flow path; an outer wall defining a radially outer boundary of the flow path; and at least one aircraft wing. The rotating detonation actuator is disposed in the aircraft wing. At least one rotating detonation wave travels through the flow path from the inlet end to the outlet end.

ROTATING DETONATION ACTUATOR

Granted: June 18, 2020
Application Number: 20200191398
A flow control system includes at least one flow surface; and at least one rotating detonation actuator including: an annulus extending from an inlet end to an outlet end; an inner wall defining a radially inner boundary of the annulus; and an outer wall defining a radially outer boundary of the annulus. At least one rotating detonation wave travels through the annulus from the inlet end to the outlet end. Combustion gas from the at least one rotating detonation actuator modifies at…

COATING FOR IMPROVED SURFACE FINISH

Granted: June 18, 2020
Application Number: 20200190333
A coating includes: at least 34.9 percent by mass silicon dioxide; at least 9.1 percent by mass aluminum oxide; and at least 16.1 percent by mass yttrium oxide.

COATING FOR IMPROVED SURFACE FINISH

Granted: June 18, 2020
Application Number: 20200189985
A ceramic matrix composite (CMC) component includes at least one seal surface, the at least one seal surface disposed adjacent an interfacing surface for providing a seal therebetween; and a coating disposed on the seal surface. The coating includes an aluminum oxide and/or a silicon dioxide.

LOCOMOTIVE HEAT EXCHANGER APPARATUS AND METHOD OF MANUFACTURING A HEAT EXCHANGER APPARATUS

Granted: June 18, 2020
Application Number: 20200189046
A locomotive heat exchanger apparatus includes a header having at least one opening, at least one tubular member joined to the header and having an interior passageway in fluid communication with the at least one opening, and a plurality of radial fins extending from the at least one tubular member. The tubular member and the plurality of radial fins may be formed as a unitary component via additive manufacturing without welding or interference fit.

APPARATUS FOR ENERGY TRANSFER USING CONVERTER AND METHOD OF MANUFACTURING SAME

Granted: June 11, 2020
Application Number: 20200180446
According to an aspect of the invention, a motor drive circuit includes a first energy storage device configured to supply electrical energy, a bi-directional DC-to-DC voltage converter coupled to the first energy storage device, a voltage inverter coupled to the bi-directional DC-to-DC voltage converter, and an input device configured to receive electrical energy from an external energy source. The motor drive circuit further includes a coupling system coupled to the input device, to…

Microfluidic Device for Cell Culture Monitoring

Granted: June 11, 2020
Application Number: 20200181560
A microfluidic device (100) is disclosed for in-process monitoring of cell culture conditions including for example one or more of: cell density; cell viability; secreted proteins; protein analysis; epitope markers; concentrations of metabolites or nutrients and antigenic determinations; the device comprising: a cell inlet path (120); plural fluid reservoirs (130) in fluid communication with the cell input path, a cell analysis area (160) in fluid communication with the path and…