VARIABLE PITCH FANS FOR TURBOMACHINERY ENGINES
Granted: July 11, 2024
Application Number:
20240229743
A turbomachinery engine can include a fan assembly with a plurality of variable pitch fan blades. The fan blades are configured such that they define a first VPF parameter and a second VPF parameter. The first VPF parameter is within a range of 0.10 to 0.40 and is defined as the hub-to-tip radius ratio divided by the fan pressure ratio. The second VPF parameter is within a range of 1-30 lbf/in2 and is defined as the bearing spanwise force divided by the fan area. In certain examples, the…
SYSTEM FOR READYING SUB-CRITICAL AND SUPER-CRITICAL STEAM GENERATOR, SERVICING METHOD OF SAID SUB-CRITICAL AND SUPER-CRITICAL STEAM GENERATOR AND METHOD OF OPERATION OF SUB-CRITICAL AND SUPER-CRITICAL STEAM GENERATOR
Granted: July 11, 2024
Application Number:
20240229683
A system for readying sub-critical and super-critical steam generator, a servicing method of the sub-critical and the super-critical steam generator and a method of operation of sub-critical and super-critical steam generator is provided. The steam generator includes a first auxiliary heating device disposed on at least one water-steam separator for heating the at least one water-steam separator, and/or a second auxiliary heating device disposed at least on a part of furnace top-end…
APPARATUS AND METHOD TO MANAGE TEMPERATURE AND STRESS IN A PART DURING ADDITIVE MANUFACTURING
Granted: July 11, 2024
Application Number:
20240227022
A method of additively manufacturing a workpiece may include depositing and melting a material on a build plate by translating a deposition head of an additive manufacturing apparatus over the build plate to form a layer of deposited material; and heating the deposited material with an oven after the layer is deposited on the build plate, wherein the oven comprises a furnace body and an oven lid movable with the deposition head and disposable on the furnace body to enclose a heated build…
HEAT EXCHANGERS INCLUDING PARTIAL HEIGHT FINS HAVING AT LEAST PARTIALLY FREE TERMINAL EDGES
Granted: June 13, 2024
Application Number:
20240191951
In an embodiment, a heat exchanger includes a monolithic body that includes a first substrate, a second substrate, a third substrate, and a plurality of partial height fins. The second substrate is arranged parallel to and spaced from the first substrate, thereby defining a first fluid flow path. The third substrate is arranged parallel to and spaced from the second substrate opposite the first substrate, thereby defining a second fluid flow path. The plurality of partial height fins…
FLUID DUCTS INCLUDING A RIB
Granted: June 13, 2024
Application Number:
20240191630
A fluid duct includes a body and an elongate rib. The body extends along a central axis and defines a lumen configured to receive a first fluid extending therethrough. The body has an inner surface and an outer surface. The central axis defines an axial direction along the central axis, a radial direction perpendicular to the central axis, and a circumferential direction oriented rotationally about the central axis. The elongate rib is positioned on the inner surface of the body and…
ELECTRICAL MACHINES FOR INTEGRATION INTO A PROPULSION ENGINE
Granted: May 30, 2024
Application Number:
20240178721
An electrical machine includes a stator assembly coupled to an engine stator component of a propulsion engine. The stator assembly includes a stator support assembly fixedly attached to the engine stator component and a stator disposed on a supporting surface of the stator support structure. The electrical machine also includes a rotor assembly including a rotor support structure connected to a shaft of the propulsion engine and a rotor attached to the rotor support structure such that…
GAS TURBINE ENGINES INCLUDING EMBEDDED ELECTRICAL MACHINES AND ASSOCIATED COOLING SYSTEMS
Granted: May 23, 2024
Application Number:
20240167422
A gas turbine engine includes a fan located at a forward portion of the gas turbine engine. A compressor section and a turbine section are arranged in serial flow order. The compressor section and the turbine section together define a core airflow path. A rotary member is rotatable with at least a portion of the compressor section and with at least a portion of the turbine section. An electrical machine is coupled to the rotary member and is located at least partially inward of the core…
GAS DELIVERY SYSTEM OF AN ADDITIVE MANUFACTURING MACHINE
Granted: May 23, 2024
Application Number:
20240165710
Embodiments of the present disclosure are directed to a gas flow delivery apparatus and systems of an additive manufacturing system. The gas delivery apparatus comprises a first conduit having an elbow and an outer diameter DA and at least one second conduit fluidly coupled to the first conduit at a mixing region. The mixing region is positioned downstream of the elbow of the first conduit, and the mixing region is at least a distance Z from a center line of the at least one second…
APPARATUS AND METHOD FOR RAPID CHARGING USING SHARED POWER ELECTRONICS
Granted: May 16, 2024
Application Number:
20240157821
An apparatus comprises a power electronic energy conversion system comprising a first energy storage device configured to store DC energy and a first voltage converter configured to convert a second voltage from a remote power supply into a first charging voltage configured to charge the first energy storage device. The apparatus also includes a first controller configured to control the first voltage converter to convert the second voltage into the first charging voltage and to provide…
HEAT EXCHANGER INCLUDING FURCATING UNIT CELLS
Granted: May 16, 2024
Application Number:
20240159471
A heat exchanger is provided that can include furcating unit cells coupled with each other. Each of the unit cells can be elongated along an axis and include a sidewall that defines annular ring openings on opposite ends of the unit cell along the axis. The sidewall also can define undulating annular rings between the annular ring openings and axially separated from each other along the axis. The sidewall can further define angled openings into the unit cell both above and below each of…
SYSTEMS FOR FLUID SUPPLY CONTAINMENT WITHIN ADDITIVE MANUFACTURING APPARATUSES
Granted: May 16, 2024
Application Number:
20240157647
Embodiments of the present disclosure are directed to a fluid containment system, comprising a body having a set of panels and seals that define an interior cavity. One or more fluid supply sources are fluidly coupled to the interior cavity; the one or more fluid supply sources provide at least one fluid to the interior cavity. A sensor is positioned within the interior cavity, and the sensor is configured to detect a threshold lower explosive limit (LEL) of a vapor within the interior…
LIQUID AND POWDER MATERIAL HANDLING SYSTEMS WITHIN ADDITIVE MANUFACTURING AND METHODS FOR THEIR USE
Granted: May 16, 2024
Application Number:
20240157646
The present disclosure is directed to additive manufacturing systems, components therein, and methods for their use. The additive manufacturing system comprises a powder material handling system comprising a virgin powder inlet. The virgin powder inlet is coupled to a virgin powder drum and configured to receive a virgin powder from the virgin powder drum. The additive manufacturing system further comprises a liquid material handling system comprising a binder inlet. The binder inlet is…
BUILD MATERIAL ESCAPEMENT ASSEMBLY AND ADDITIVE MANUFACTURING SYSTEMS INCLUDING SAME
Granted: May 16, 2024
Application Number:
20240157643
A build material escapement assembly for an additive manufacturing system includes a retaining plate for coupling the build material escapement assembly to the additive manufacturing system. A base having a plurality of ports is disposed beneath the retaining plate, and a support frame is disposed within the base. A diaphragm is disposed around the base, and a retractable plate is disposed between the support frame and the diaphragm. A top plate is further coupled to the retractable…
RECOAT ASSEMBLIES INCLUDING POWDER CONTAINMENT MECHANISMS AND ADDITIVE MANUFACTURING SYSTEMS INCLUDING SAME
Granted: May 16, 2024
Application Number:
20240157640
A recoat assembly for an additive manufacturing system includes a base member movable in a first lateral direction and a second lateral direction opposite the first lateral direction, a powder spreading member coupled to the base member, and a containment mechanism. The base member includes a primary containment housing at least partially encapsulating the powder spreading member. The containment mechanism is positionable into a first position when the base member is moving in the first…
SYSTEMS AND METHODS FOR IDENTIFYING GRID FAULT TYPE AND FAULTED PHASE
Granted: May 9, 2024
Application Number:
20240151762
A system for detecting a fault type and faulted phase in a power grid includes a controller and a relay. The relay is configured to monitor a line of the power grid and generate a monitoring signal. The controller may be configured to determine, in response to the monitoring signal received from the relay, sequence voltages and sequence currents in the line. The controller may further determine, in response to the sequence voltages and sequence currents, an absence or a presence of a…
GAS TURBINE ENGINE WITH ACOUSTIC SPACING OF THE FAN BLADES AND OUTLET GUIDE VANES
Granted: May 9, 2024
Application Number:
20240151185
A gas turbine engine comprises a fan, a core turbine engine coupled to the fan, a fan case housing the fan and the core turbine engine, a plurality of outlet guide vanes extending between the core turbine engine and the fan case, and an acoustic spacing. The fan comprises a plurality of fan blades that define a fan diameter and a BEAL. The fan case comprises an inlet and an inlet length between the inlet and the fan. The acoustic spacing comprises a distance between the fan and the…
ELECTRIC MACHINE WITH LOW PROFILE RETENTION ASSEMBLY FOR RETENTION OF STATOR CORE
Granted: May 2, 2024
Application Number:
20240146125
An electric machine with a low profile retention assembly for retention of a stator core is disclosed. A first housing houses the stator core. The first housing has an axial end face with a circumferentially extending, shaped profile having recessed portions that project axially inward alternating with non-recessed portions. A portion of the stator core extends axially out from the recessed portions. A core retention spring is disposed circumferentially at the axial end face of the first…
SYSTEM FOR READYING SUB-CRITICAL AND SUPER-CRITICAL STEAM GENERATOR, SERVICING METHOD OF SAID SUB-CRITICAL AND SUPER-CRITICAL STEAM GENERATOR AND METHOD OF OPERATION OF SUB-CRITICAL AND SUPER-CRITICAL STEAM GENERATOR
Granted: April 25, 2024
Application Number:
20240133319
A system for readying sub-critical and super-critical steam generator, a servicing method of the sub-critical and the super-critical steam generator and a method of operation of sub-critical and super-critical steam generator is provided. The steam generator includes a first auxiliary heating device disposed on at least one water-steam separator for heating the at least one water-steam separator, and/or a second auxiliary heating device disposed at least on a part of furnace top-end…
MECHANICAL AND ELECTRICAL CONNECTION OF ELECTRIC MACHINES AND ELECTRICAL COMPONENTS IN AN ELECTRICAL SYSTEM USING QUICK CONNECT/DISCONNECT CONNECTORS
Granted: April 18, 2024
Application Number:
20240128695
An approach for facilitating mechanical and electrical connection of electric machines and electrical components in an electrical system using connectors with quick connect/disconnect electrical connectors is disclosed. Each quick connect/disconnect electrical connector can be placed on the end of an electrical power distribution cable that connects with an electric machine or electrical component. The electric machines and electrical components and the electrical power distribution…
SYSTEMS AND METHODS FOR DYNAMIC RATING OF POWER GRIDS
Granted: April 18, 2024
Application Number:
20240128752
A system for dynamic rating of a power grid may include a plurality of terminal units, and a controller. The terminal units may detect a voltage phasor and a current phasor at nodes of the power grid. The controller may, based on the voltage phasors and the current phasors of the plurality of nodes, determine a dynamic thermal stability power rating for each line, a dynamic angular stability power rating for each node, and a dynamic voltage stability power rating for each node. The…
