POWER TRAIN ARCHITECTURES WITH LOW-LOSS LUBRICANT BEARINGS AND LOW-DENSITY MATERIALS
Granted: September 24, 2020
Application Number:
20200300174
Power train architectures with low-loss lubricant bearings and low-density materials are disclosed. The gas turbine used in these architectures can include a compressor section, a turbine section, and a combustor section. A generator, coupled to the rotor shaft, is driven by the turbine section. The compressor section, the turbine section, and the generator each include rotating components, at least one of the rotating components in at least one of the compressor section, the turbine…
HYBRID BOILER-DRYER AND METHOD
Granted: September 24, 2020
Application Number:
20200299600
A method for reducing the emission of contaminants by a furnace is provided. The method includes forming a bed from a stream of fuel within the furnace; fluidizing the bed with flue gas from the furnace; and heating the fuel within the bed so as to generate char, ash and contaminants. The method further includes capturing the contaminants via the ash.
HRSG WITH STEPPED TUBE RESTRAINTS
Granted: September 10, 2020
Application Number:
20200284426
A heat recovery steam generator (HRSG) includes: a plurality of vertically-aligned HRSG tubes; and a plurality of stepped tube restraints coupled to the plurality of vertically aligned HRSG tubes. Each stepped tube restraint includes a plurality of tube restraints. The plurality of tube restraints are arranged in an array such that each successive tube restrain is vertically higher than and axially aft of an adjacent tube restraint.
Electric Drive System and Energy Management Method
Granted: August 20, 2020
Application Number:
20200266731
An electric drive system includes an energy storage system (ESS), a power conversion system, and an alternating current (AC) traction system. The ESS provides or receives electric power. The ESS includes a first energy storage unit and a second energy storage unit. The power conversion system is electrically coupled to the ESS for converting an input power to an output power. The AC traction system is electrically coupled to the power conversion system for converting the output power of…
MITIGATING FLUID POUND EFFECTS UNDER INCOMPLETE PUMP FILLAGE CONDITIONS
Granted: August 20, 2020
Application Number:
20200263530
The current subject matter provides a tool and user interface for estimating a velocity at which a plunger of a rod lift pump system will impact a fluid within a well when the rod lift pump system is altered to operate under various conditions of pump fillage. In some embodiments, the estimated impact velocity can be determined using a velocity pattern characterizing a velocity and position of a plunger of a rod lift pump system operating under a condition of complete pump fillage. The…
MANUFACTURED ARTICLE AND METHOD
Granted: August 13, 2020
Application Number:
20200254547
A manufactured article is comprised of an additively manufactured component having sequentially joined layers of metallic powder. A braze material is disposed on at least a portion of an outer surface of the component. The braze material is located in expected crack locations in the outer surface. At least one crack formed in the outer surface, during a heat treatment, is filled with the braze material. The additively manufactured component comprises a metallic material from a…
ROTATING DETONATION COMBUSTOR WITH NON-CIRCULAR CROSS-SECTION
Granted: August 6, 2020
Application Number:
20200248906
A rotating detonation combustor includes an annular combustion passage that is non-circular. Specifically, the present rotating detonation combustor includes a forward wall, a radially inner wall, and a radially outer wall. The radially inner wall and the radially outer wall extend downstream from the forward wall around a longitudinal axis of the combustor, thus defining an annular passage between the radially inner wall and the radially outer wall. An air inlet and a fuel inlet are…
ROTATING DETONATION COMBUSTOR WITH DISCRETE DETONATION ANNULI
Granted: August 6, 2020
Application Number:
20200248905
The present disclosure is directed to a rotating detonation combustor that includes a forward wall, a radially inner wall, and a radially outer wall. The forward wall is disposed at an inlet end of the rotating detonation combustor. The radially inner wall surrounds a longitudinal axis and extends downstream from the forward wall to an outlet end of the rotating detonation combustor. The radially outer wall extends downstream from the forward wall to the outlet end and surrounds the…
SYSTEM AND METHOD FOR CONVERTING ELECTRIC ENERGY INTO THERMAL ENERGY AND FOR STORING THERMAL ENERGY
Granted: August 6, 2020
Application Number:
20200248592
System and method of operating the system. The system having a heat pump cycle, a turbine cycle, a medium storage cycle and a water storage cycle. By way of the heat pump cycle, heat of a working fluid can be transferred to a thermal medium (M) for storing thermal energy. By way of the turbine cycle, heat of the thermal medium (M) can be transferred to a working fluid (F). In so doing electric energy can be converted into thermal energy or transferred from thermal energy into electric…
SYSTEM AND METHOD FOR PREHEATING A BEATER MILL
Granted: July 30, 2020
Application Number:
20200240633
A method for preheating a beater mill is provided. The method includes: rotating a beater wheel disposed within the beater mill to facilitate circulation of a gas stream between the beater mill and a furnace fluidly connected to each other via both a pulverized fuel conduit and a flue gas recirculation conduit; generating a burner gas via a burner disposed within the flue gas recirculation conduit such that the burner gas joins and heats the gas stream circulating through the beater mill…
COST ANALYSIS SYSTEM AND METHOD FOR DETECTING ANOMALOUS COST SIGNALS
Granted: July 23, 2020
Application Number:
20200234321
Provided is a method and a cost analysis system for detecting anomalous costs signals associated with components of a system. The method includes receiving real-time data stream, performing pre-processing operations including sorting data from data stream received into data subsets as user-defined, processing, via a processing module, the data subsets using a rule set, and determining whether cost change has occurred. If cost change has occurred, storing and archiving cost change data…
TWO-DIMENSIONAL TR PROBE ARRAY
Granted: July 23, 2020
Application Number:
20200232949
An ultrasonic sensor assembly includes a flexible supporting material that has flexibility configured for allowing bending of the supporting material to conform to a cylindrical shape of a pipe. The assembly includes a plurality of operable sensor elements arranged in a matrix formation upon the flexible supporting material. The matrix formation includes a plurality of rows of the sensor elements and a plurality of columns of the sensor elements. The flexible supporting material is…
Hydrocarbon Distillation
Granted: July 16, 2020
Application Number:
20200224967
Systems and methods are provided for increasing the efficiency of liquefied natural gas production and heavy hydrocarbon distillation. In one embodiment, air within an LNG production facility can be utilized as a heat source to provide heat to HHC liquid for distillation in a HHC distillation system. The mechanism of heat transfer from the air can be natural convection. In another embodiment, heat provided by natural gas, or compressed natural gas, can be used for HHC distillation. In…
CLOSED SOCKET BRAZED JOINT ASSEMBLY
Granted: July 16, 2020
Application Number:
20200223003
A closed socket brazed joint assembly is provided. The assembly comprises: a first member composed of a first base material; a second member composed of a second base material with a first end composed of a first profile with at least first and second faying surfaces; a socket formed in said first member configured to receive the first end of the second member with a faying surface with at least two portions separated by a first fillet; wherein the socket further is configured such that…
SYSTEMS AND METHODS FOR NETWORK FAILOVER IN DIGITAL SUBSTATIONS
Granted: July 9, 2020
Application Number:
20200220820
Systems and methods for network failover in digital substations are provided. One method includes receiving, by an intelligent electronic device (IED) from a process interface unit (PIU), in parallel a pre-configured data stream via a point-to point connection and one or more other data streams via an Ethernet network. The method further includes determining that at least one of the following failure conditions is satisfied: a frame in the pre-configured data stream is lost or delayed,…
NEONATAL INCUBATOR HUMIDIFIER SYSTEM
Granted: July 9, 2020
Application Number:
20200215291
A humidifier system for humidifying a microenvironment in a neonatal incubator includes a reservoir configured to hold water to be evaporated for humidifying the microenvironment. A chamber divider defines a heating chamber within the reservoir, and a movable heating element is positioned at a surface level of the water inside the heating chamber so as to heat the water at the surface level inside the heating chamber. The heating element is configured such that it is moved downward…
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…
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…
