METHODS AND SYSTEMS FOR MONITORING ROTOR BLADES IN TURBINE ENGINES
Granted: May 28, 2020
Application Number:
20200166431
A method for determining an arrival-time of a rotor blade that includes attaching an RF reader to a stationary surface and an RF tag to the rotor blade. Strength-of-signal data points are collected via an RF monitoring process that includes: emitting an RF signal from the RF reader; receiving the RF signal at the RF tag and emitting a return RF signal by the RF tag in response thereto; receiving the return RF signal at the RF reader; measuring a signal strength of the return RF signal as…
METHODS AND SYSTEMS FOR NON-CONTACT MAGNETOSTRICTIVE SENSOR RUNOUT COMPENSATION
Granted: May 28, 2020
Application Number:
20200166418
A stress sensing system for measuring stress in a conductive target material includes at least one sensor positioned proximate to the conductive target material. The sensor is configured to measure stress in the conductive target material and to transmit a signal indicative of the measured stress to a controller. The controller is coupled in communication with the sensor. The controller is configured to receive the signal from the sensor, determine a runout portion of the signal…
ROTATING DETONATION COMBUSTOR WITH OFFSET INLET
Granted: May 28, 2020
Application Number:
20200166212
A combustion system includes an annular tube disposed between an inner wall and an outer wall, the annular tube extending from an inlet end to an outlet end; at least one annulus inlet disposed in the annular tube proximate the inlet end, the annulus inlet providing a conduit through which fluid flows into the annular tube; at least one outlet disposed in the annular tube proximate the outlet end; at least one inlet fluid plenum disposed upstream of the annulus inlet; and at least one…
METHODS AND SYSTEMS FOR MONITORING ROTOR BLADES IN TURBINE ENGINES
Granted: May 28, 2020
Application Number:
20200165934
A method for determining an arrival-time of a rotor blade that includes attaching an RF reader to a stationary surface and an RF tag to the rotor blade. Time-of-flight data points are collected via an RF monitoring process that includes: emitting an RF signal from the RF reader and recording a first time; receiving the RF signal at the RF tag and emitting a return RF signal by the RF tag in response thereto; receiving the return RF signal at the RF reader and recording a second time; and…
AIRFOIL SHAPE AND PLATFORM CONTOUR FOR TURBINE ROTOR BLADES
Granted: May 28, 2020
Application Number:
20200165918
A turbine rotor blade including an airfoil that extends from a platform. The platform may include a first portion of a nominal platform contour substantially in accordance with Cartesian coordinate values of X?, Y?, and Z? as set forth in Table II. The Cartesian coordinate values of X?, Y?, and Z? are non-dimensional values from 0% to 100% convertible to dimensional distances by multiplying the Cartesian coordinate values of X?, Y?, and Z? by a height of the airfoil defined along a Z?…
SYSTEM AND METHOD FOR CONDENSING MOISTURE IN A BIOREACTOR GAS STREAM
Granted: May 21, 2020
Application Number:
20200155962
Disclosed herein is a system and method for condensing moisture in a gas stream entering or leaving a bioreactor, the system comprising: a contact condenser container fluidically coupled to the bioreactor through an exhaust line; a condensate accumulator fluidically coupled to the contact condenser container through at least a first condensate line and a second condensate line; the condensate accumulator further fluidically coupled to the bioreactor through a condensate overflow line; a…
GENERATOR MOUNTING ADAPTOR
Granted: May 21, 2020
Application Number:
20200161932
A generator system includes an electrical generator; a generator casing disposed around the electrical generator; at least one rail structure axially disposed on an outer surface of the generator casing; at least one adaptor plate coupled to the rail structure, the adaptor plate including a substantially rectangular shape. The adaptor plate includes: at least one rabbet feature; and a plurality of bolt holes disposed therethrough. The generator system includes at least one structural…
AIRFOIL SHAPE FOR TURBINE NOZZLES
Granted: May 21, 2020
Application Number:
20200157956
A turbine nozzle having an airfoil that includes a pressure side portion of a nominal airfoil profile substantially in accordance with Cartesian coordinate values of X, Y, and Z of a pressure side as set forth in Table I. The Cartesian coordinate values of X, Y, and Z are non-dimensional values from 0% to 100% convertible to dimensional distances by multiplying the Cartesian coordinate values of X, Y and Z by a height of the airfoil defined along the Z axis. The X and Y values of the…
TURBINE BLADE WITH RADIAL SUPPORT, SHIM AND RELATED TURBINE ROTOR
Granted: May 21, 2020
Application Number:
20200157955
A turbine blade includes a blade having a first end, and a second end opposite the first end. A tip is located at an outer radial portion of the blade. A blade dovetail complements a corresponding dovetail slot in a turbine rotor. The dovetail has a body, and a plurality of projections extending from the body in opposing directions for complementing a plurality of recesses in the corresponding dovetail slot. A tapered groove extends through the body from the first end to the second end.…
TURBINE BLADE WITH RADIAL SUPPORT, SHIM AND RELATED TURBINE ROTOR
Granted: May 21, 2020
Application Number:
20200157954
A turbine blade has a first end, and an opposing second end. A base includes a dovetail for complementing a corresponding dovetail slot in a rotor. The dovetail has a body and a plurality of projections extend from the body in opposing directions. A tapered groove extends through the body from the first end to the second end, and has a tapered profile such that a first depth of the tapered groove near the first end is greater than a second depth of the tapered groove near the second end.…
ROTATING DETONATION COMBUSTOR WITH THERMAL FEATURES
Granted: May 14, 2020
Application Number:
20200149743
A combustion system includes an annular tube disposed between an inner wall and an outer wall, the annular tube extending from an inlet end to an outlet end; at least one fluid inlet disposed in the annular tube proximate the inlet end, the fluid inlet providing a conduit through which fluid flows into the annular tube; at least one outlet disposed in the annular tube proximate the outlet end; and at least one cooling feature disposed at an underside of the inner wall or the outer wall.…
METHODS AND SYSTEMS FOR MONITORING HEALTH OF A VALVE
Granted: May 14, 2020
Application Number:
20200149655
A method for monitoring health of a valve is presented. The method includes receiving an acoustic emission signal from a sensing device operatively coupled to the valve, selecting a region of interest signal in the acoustic emission signal, determining a plurality of current parameters based on the region of interest signal, and monitoring the health of the valve based on at least the plurality of current parameters, wherein the region of interest signal comprises acoustic emission data…
ROTATING DETONATION COMBUSTOR WITH CONTOURED INLET
Granted: May 14, 2020
Application Number:
20200149496
A combustion system includes an annular tube disposed between an inner wall and an outer wall, the annular tube extending from an inlet end to an outlet end; at least one fluid inlet disposed in the annular tube proximate the inlet end, the fluid inlet providing a conduit through which fluid flows into the annular tube; at least one outlet disposed in the annular tube proximate the outlet end; and at least one inlet fluid plenum disposed upstream of the fluid inlet. The inlet fluid…
NICKEL-BASED SUPERALLOY AND ARTICLES
Granted: May 14, 2020
Application Number:
20200149134
A composition of matter includes from about 16 to about 20 wt % chromium, greater than 6 to about 10 wt % aluminum, from about 2 to about 10 wt % iron, less than about 0.04 wt % yttrium, less than about 12 wt % cobalt, less than about 1.0 wt % manganese, less than about 1.0 wt % molybdenum, less than about 1.0 wt % silicon, less than about 0.25 wt % carbon, about 0.03 wt % boron, less than about 1.0 wt % tungsten, less than about 1.0 wt % tantalum, about 0.5 wt % titanium, about 0.5 wt %…
TURBINE SHROUD WITH LAPPED SEAL SEGMENTS
Granted: May 7, 2020
Application Number:
20200141276
A turbine shroud is disposed about a row of rotating turbine blades. The turbine shroud includes arcuate shroud segments sealingly engaged with one another. Each shroud segment includes a bottom panel with a radially inner surface and a radially outer surface, a first end, and a second end. The first end includes a first end face, a first end cutback face spaced from the first end face, and an intermediate surface extending between the first end face and the end cutback face to define a…
SEALING SYSTEM FOR TURBINE SHROUD SEGMENTS
Granted: May 7, 2020
Application Number:
20200141254
A turbine shroud is disposed between stages of stationary turbine nozzles. The turbine shroud includes arcuate shroud segments sealingly engaged with one another. Each shroud segment includes a bottom panel with a radially inner surface and a radially outer surface and opposite ends. Each end includes an end face, an end cutback face spaced from the end face, and an intermediate surface extending between the end face and the end cutback face to define a recess. One or more seals overlap…
VEHICLE PROPULSION SYSTEM WITH MULTI-CHANNEL DC BUS AND METHOD OF MANUFACTURING SAME
Granted: May 7, 2020
Application Number:
20200139825
An apparatus includes a multi-channel DC bus assembly comprising a first channel and a second channel, a first electromechanical device coupled to a positive DC link of the first channel, and a second electromechanical device coupled to a positive DC link of the second channel. A first DC-to-AC voltage inverter is coupled to the positive DC link of the first channel and a second DC-to-AC voltage inverter is coupled to the positive DC link of the second channel. The apparatus further…
METHOD AND APPARATUS FOR CHARGING MULTIPLE ENERGY STORAGE DEVICES
Granted: April 30, 2020
Application Number:
20200130518
An electric vehicle includes a controller configured to receive sensor feedback from a high voltage storage device and from a low voltage storage device, compare the sensor feedback to operating limits of the respective high and low voltage storage device, determine, based on the comparison a total charging current to the high voltage storage device and to the low voltage storage device and a power split factor of the total charging current to the high voltage device and to the low…
AIRFOIL SHAPE FOR TURBINE NOZZLES
Granted: April 30, 2020
Application Number:
20200131911
A turbine nozzle having an airfoil that includes a pressure side portion of a nominal airfoil profile substantially in accordance with Cartesian coordinate values of X, Y, and Z of a pressure side as set forth in Table I. The Cartesian coordinate values of X, Y, and Z are non-dimensional values from 0% to 100% convertible to dimensional distances by multiplying the Cartesian coordinate values of X, Y and Z by a height of the airfoil defined along the Z axis. The X and Y values of the…
CERAMIC MATRIX COMPOSITE TURBINE NOZZLE SHELL AND METHOD OF ASSEMBLY
Granted: April 30, 2020
Application Number:
20200131092
A method of manufacturing a ceramic matrix composite (CMC) turbine nozzle shell is provided. The method includes: assembling a primary outer nozzle platform, a primary inner nozzle platform, a core and trailing edge preform, and an airfoil-shaped body; joining the primary outer nozzle platform to a secondary outer nozzle platform of the airfoil-shaped body; and joining the primary inner nozzle platform to a secondary inner nozzle platform of the airfoil-shaped body. Composite plies…
