Planetary gear system

A planetary gear system is disclosed. The planetary gear system includes a carrier, a planet gear defining a central planet axis, and a pin coupling the planet gear to the carrier. The planetary gear system additionally includes a bearing disposed between the planet gear and the pin. The bearing includes a plurality of rolling elements. Each of the rolling elements is in contact with an inner race and an outer race. The planetary gear system further includes a resilient member. The resilient member is disposed between one of the inner race and the pin or the outer race and the planet gear.

Wind turbine dome and method of assembly

An aerodynamic dome component that is placed in front of a wind turbine hub includes an outer ring, a central axle disposed relative to the outer ring, a plurality of radially extending tensioning members and a skin-like covering. The plurality of radially extending tensioning members are coupled to the outer ring at a first end and to the central axle at a second end. The outer ring, the plurality of radially extending tensioning members and the central axle together form an underlying dome support structure. The skin-like covering is configured to envelop at least a portion of the underlying dome support structure to form at least a portion of the aerodynamic dome component and define a front dome portion. The skin-like covering enveloping at least a portion of the underlying dome support structure may further define a rear dome portion, wherein the rear dome portion is configured downwind from the front dome portion.

Gear system and method for using same

A planetary gear system and a method. The planetary gear system includes a carrier body configured to receive planet gears, at least one pin received by the carrier body, and flex means positioned between the carrier body and the at least one pin. The method includes preparing the carrier, upon which a plurality of planet gears is mounted through planet pins, and providing flex means between the planet pins and the carrier, the flex means configured to enable movement of the planet pins in response to a force directed thereon.

Wind turbine dome and method of assembly

An aerodynamic dome structure that is placed in front of a wind turbine hub includes a plurality of arcuate panels. The arcuate panels are interconnected to form a dome-shaped structure. A plurality of arcuate radial spar supports may be employed to support the arcuate panels.

HEAT FLUX MEASUREMENT DEVICE FOR ESTIMATING FOULING THICKNESS

A heat flux measurement device includes at least two thermocouples disposed within a front portion of the device at different axial distances from a front wall of the device. A correlation between the measured heat fluxes from the device over a period of time is used to estimate a fouling thickness on a wall, for example, a water wall of a radiant syngas cooler (RSC).

Split torque compound planetary drivetrain for wind turbine applications

A compound planetary gear transmission unit includes a second stage with axially staggered planets.

CRANE SYSTEM AND AN ASSOCIATED METHOD THEREOF

A crane system for a wind turbine is disclosed. The crane system includes a support structure, a movable structure, a slidable device, a first actuator unit, and a plurality of second actuator units. The slidable device includes a base, a retention component, and first, second, third, and fourth pairs of clamping arms. The base is coupled to the support structure. The retention component is coupled to either side of the base to define a channel between the retention component and the base. The first and second pairs of clamping arms are spaced apart and coupled to each other and to the base. The third and fourth pairs of clamping arms are disposed within the channel, spaced apart, and coupled to each other. The first actuator unit is coupled to the slidable device and each second actuator unit is coupled to the first, second, third, and fourth pairs of clamping arms.

GEAR SYSTEM AND METHOD FOR USING SAME

A planetary gear system and a method. The planetary gear system includes a carrier body configured to receive planet gears, at least one pin received by the carrier body, and flex means positioned between the carrier body and the at least one pin. The method includes preparing the carrier, upon which a plurality of planet gears is mounted through planet pins, and providing flex means between the planet pins and the carrier, the flex means configured to enable movement of the planet pins in response to a force directed thereon.

APPARATUS FOR COOLING AND SCRUBBING A FLOW OF SYNGAS AND METHOD OF ASSEMBLING

A method of assembling a spray quench apparatus is provided. The method includes coupling a first end of an exit tube to a quench chamber such that the exit tube end is in flow communication with the quench chamber, coupling at least one spray nozzle to an opposite second end of the exit tube such that water emitted from the spray nozzle fills the exit tube and forms a film of water across an inner surface of the exit tube, coupling a water source to the quench chamber for providing a substantially continuous water film along an inner surface of the quench chamber, and coupling at least one discharge apparatus to the quench chamber for providing water spray into the quench chamber, wherein the water of the water film and water sprays drains into a water sump.

Split torque compound planetary drivetrain for wind turbine applications

A compound planetary gear transmission unit includes a second stage with axially staggered planets.

PIN FOR PLANETARY GEAR SYSTEM

A pin for coupling a planet gear to a carrier in a planetary gear system is disclosed. The pin includes a first end, a second end, and an outer surface extending between the first end and the second end. In some embodiments, the pin further includes means for modifying the compliance of the pin at an interface between the pin and the carrier. In other embodiments, the pin further include a compliance feature defined in the outer surface, the compliance feature allowing greater compliance of the pin in the tangential direction than in the radial direction. 1. A pin for coupling a planet gear to a carrier in a planetary gear system , the pin comprising:a first end;a second end;an outer surface extending between the first end and the second end; and,means for modifying the compliance of the pin at an interface between the pin and the carrier.2. The pin of claim 1 , wherein the outer surface comprises a first end surface extending from the first end and an intermediate surface extending from the first end surface claim 1 , the first end surface configured for interfacing with the carrier.3. The pin of claim 2 , wherein the outer surface further comprises a second end surface extending between the intermediate surface and the second end claim 2 , the second end surface configured for interfacing with the carrier.4. The pin of claim 2 , wherein the means comprises a channel defined in the first end surface claim 2 , the channel extending annularly about at least a portion of a periphery of the first end surface.5. The pin of claim 4 , further comprising a plurality of channels.6. The pin of claim 4 , wherein the channel is open.7. The pin of claim 4 , wherein the channel is closed.8. The pin of claim 2 , wherein the means comprises the first end surface having a reduced cross-sectional profile through at least a portion of an axial length of the first end surface.9. The pin of claim 8 , wherein the first end surface tapers throughout at least a portion of the reduced ...

ELECTRICAL MACHINE WITH DOUBLE-SIDED LAMINATION STACK

The machine includes a rotor with an inner rotor core and an outer rotor core and a double-sided stator with an inner stator side and an outer stator side. The double-sided stator is concentrically disposed between the inner rotor core and the outer rotor core of the wind turbine generator. The double-sided stator is configured to enable at least a portion of magnetic flux to be shared between the inner stator side and the outer stator side. An example of a particularly useful embodiment for the machine includes a ship propulsion motor.

WIND TURBINE BEARINGS

In one aspect, a dual pitch bearing configuration for coupling a rotor blade to a hub of a wind turbine. The dual pitch bearing configuration including a first pitch bearing and at least one additional pitch bearing disposed axially a distance Lfrom the first pitch bearing. The dual pitch bearing configuration further including one or more spacers disposed between the first pitch bearing and the at least one additional pitch bearing and extending the distance L. The dual pitch bearing disposed radially within one of a blade root of the rotor blade, a hub extension or a bearing housing and coupled thereto. The dual pitch bearing configuration minimizing moment loading on the first pitch bearing and the at least one additional pitch bearing. A wind turbine including the dual pitch bearing configuration is further disclosed. 1. A dual pitch bearing configuration for a rotor blade of a wind turbine , the dual pitch bearing configuration comprising:a first pitch bearing including an inner bearing race, an outer bearing race and a plurality of rolling elements disposed between the inner bearing race and the outer bearing race;{'sub': 'B', 'at least one additional pitch bearing including an inner bearing race, an outer bearing race and a plurality of rolling elements disposed between the inner bearing race and the outer bearing race, the at least one additional pitch bearing disposed axially a distance Lfrom the first pitch bearing, thereby minimizing moment loading on the first pitch bearing and the at least one additional pitch bearing; and'}{'sub': 'B', 'one or more spacers disposed between the first pitch bearing and the at least one additional pitch bearing and extending the distance L.'}2. The dual pitch bearing configuration of claim 1 , comprising a first pitch bearing and a second pitch bearing disposed axially a distance Lfrom the first pitch bearing.3. The dual pitch bearing configuration of claim 2 , wherein the rotor blade is rotatably coupled to a hub of the ...

Pin for planetary gear system

A pin for coupling a planet gear to a carrier in a planetary gear system is disclosed. The pin includes a first end, a second end, and an outer surface extending between the first end and the second end. In some embodiments, the pin further includes means for modifying the compliance of the pin at an interface between the pin and the carrier. In other embodiments, the pin further include a compliance feature defined in the outer surface, the compliance feature allowing greater compliance of the pin in the tangential direction than in the radial direction.

Electrical machine with double-sided lamination stack

The machine includes a rotor with an inner rotor core and an outer rotor core and a double-sided stator with an inner stator side and an outer stator side. The double-sided stator is concentrically disposed between the inner rotor core and the outer rotor core of the wind turbine generator. The double-sided stator is configured to enable at least a portion of magnetic flux to be shared between the inner stator side and the outer stator side. An example of a particularly useful embodiment for the machine includes a ship propulsion motor.

Wind turbine gearbox carrier with integrated pin shafts and method of manufacturing same

A gear system includes a carrier having a first portion and a separate, second portion and a plurality of pin shafts extending from the first portion of the carrier. Each of the plurality of pin shafts includes a first end and a second end. As such, the first ends are integrally formed with the first portion of the carrier. The first and second portions are arranged on opposing sides of the plurality of pin shafts and are spaced apart such that the first and second portions do not contact each other. Further, the second portion of the carrier defines an end plate that is secured to the second ends of the plurality of pin shafts. The gear system also includes a plurality of gears mounted to the plurality of pin shafts, with each of the plurality of gears arranged so as to rotate around one of the plurality of pin shafts.

WIND TURBINE BEARINGS

In one aspect, a dual pitch bearing configuration for coupling a rotor blade to a hub of a wind turbine. The dual pitch bearing configuration including a first pitch bearing and at least one additional pitch bearing. The first pitch bearing and the and at least one additional pitch bearing are coupled to opposed surfaces of a static shaft. The at least one additional pitch bearing is disposed radially a distance Land axially a distance Lfrom the first pitch bearing along the static shaft. The dual pitch bearing is disposed radially within a blade root of the rotor blade. The dual pitch bearing configuration minimizing moment loading on the first pitch bearing and the at least one additional pitch bearing. A wind turbine including the dual pitch bearing configuration is further disclosed.

Apparatus and method for aerodynamic performance enhancement of a wind turbine

A deployable aerodynamic component configured to be mounted to a wind turbine. The wind turbine includes at least one rotor blade. The deployable aerodynamic component configured to be positioned in front of an inner portion of the at least one rotor blade, and is structurally configured to cover a substantial portion of the inner portion of the at least one rotor blade in a wind direction during deployment of the deployable aerodynamic component and to allow the passage therethrough of an incoming wind when non-deployed. Further described is a wind turbine including the above-described deployable aerodynamic component and method for aerodynamic performance enhancement of an existing wind turbine, wherein the method includes mounting the above-described deployable aerodynamic component to a wind turbine.

WIND TURBINE DOME AND METHOD OF ASSEMBLY

An aerodynamic dome component that is placed in front of a wind turbine hub includes an outer ring, a central axle disposed relative to the outer ring, a plurality of radially extending tensioning members and a skin-like covering. The plurality of radially extending tensioning members are coupled to the outer ring at a first end and to the central axle at a second end. The outer ring, the plurality of radially extending tensioning members and the central axle together form an underlying dome support structure. The skin-like covering is configured to envelop at least a portion of the underlying dome support structure to form at least a portion of the aerodynamic dome component and define a front dome portion. The skin-like covering enveloping at least a portion of the underlying dome support structure may further define a rear dome portion, wherein the rear dome portion is configured downwind from the front dome portion. 1. An aerodynamic dome component for a wind turbine , the aerodynamic dome comprising:an outer ring;a central axle disposed relative to the outer ring;a plurality of radially extending tensioning members coupled to the outer ring at a first end and to the central axle at a second end, wherein the outer ring, the plurality of radially extending tensioning members and the central axle together form an underlying dome support structure; anda skin-like covering enveloping at least a portion of the underlying dome support structure to form at least a portion of the aerodynamic dome component and define a front dome portion.2. The aerodynamic dome component according to claim 1 , wherein the skin-like covering enveloping at least a portion of the underlying dome support structure further defines a rear dome portion claim 1 , wherein the rear dome portion is configured downwind from the front dome portion.3. The aerodynamic dome component according to claim 1 , wherein the skin-like covering is comprised of fabric claim 1 , metal claim 1 , polycarbonate ...

Wind turbine bearings

In one aspect, a dual pitch bearing configuration for coupling a rotor blade to a hub of a wind turbine. The dual pitch bearing configuration including a first pitch bearing and at least one additional pitch bearing disposed axially a distance L B from the first pitch bearing. The dual pitch bearing configuration further including one or more spacers disposed between the first pitch bearing and the at least one additional pitch bearing and extending the distance L B . The dual pitch bearing disposed radially within one of a blade root of the rotor blade, a hub extension or a bearing housing and coupled thereto. The dual pitch bearing configuration minimizing moment loading on the first pitch bearing and the at least one additional pitch bearing. A wind turbine including the dual pitch bearing configuration is further disclosed.

BIASED CATHODE ASSEMBLY OF AN X-RAY TUBE WITH IMPROVED THERMAL MANAGEMENT AND A METHOD OF MANUFACTURING SAME

Various systems and methods are provided for a biased cathode assembly of an X-ray tube with improved thermal management and a method of manufacturing same. In one example, a cathode assembly of an X-ray tube comprises an emitter assembly including an emitter coupled to an emitter support structure, and an electrode assembly including an electrode stack and a plurality of bias electrodes. The emitter assembly including a plurality of independent components that are coupled together. The electrode assembly including a plurality of independent components that are coupled together, and the emitter assembly being coupled to the electrode assembly.

Electrical machine with double-sided lamination stack

The machine includes a rotor with an inner rotor core and an outer rotor core and a double-sided stator with an inner stator side and an outer stator side. The double-sided stator is concentrically disposed between the inner rotor core and the outer rotor core of the wind turbine generator. The double-sided stator is configured to enable at least a portion of magnetic flux to be shared between the inner stator side and the outer stator side. Examples of particularly useful embodiments for the machine include wind turbine generators and ship propulsion motors.

Radiant coolers and methods for assembling same

A method of assembling a radiant cooler is provided. The method includes providing a vessel shell that includes a gas flow passage defined therein that extends generally axially through the vessel shell, coupling a plurality of cooling tubes and a plurality of downcomers together to form a tube cage wherein at least one of the plurality of cooling tubes is positioned circumferentially between a pair of circumferentially-adjacent spaced-apart downcomers, and orienting the tube cage within the vessel shell such that the tube cage is in flow communication with the flow passage.

LIQUID EQUALIZED GEAR SYSTEM AND METHOD FOR USING SAME

A carrier for use in a planetary gear system. The carrier has a plurality of openings or slots offset from a midline thereof. The carrier includes alignment mechanisms positioned in each of the plurality of openings or slots to substantially align each planet gear about the midline of the carrier. The carrier may be used in a planetary gear system for use in a wind turbine. One aspect incorporates eccentric rings in the openings. Another aspect incorporates inserts in the slots. Each of the rings and inserts has openings that, when properly positioned, will substantially bisect the carrier midline.

Compliant carrier wall for improved gearbox load sharing

A planetary gear system and a method of fabricating same. The planetary gear system includes at least one planet gear, at least one planet pin receiving the at least one planet gear, and a carrier. The carrier itself includes at least one carrier opening for accommodating the at least planet gear, at least one planet pin opening for receiving the at least one planet pin, and at least one flex portion within a wall of the carrier for providing enhanced compliance to the carrier in response to force directed on the at least one planet gear.

METHODS AND APPARATUS FOR REPLACING OBJECTS ON HORIZONTAL SHAFTS IN ELEVATED LOCATIONS

An apparatus for stabilizing a shaft in an essentially horizontal position while an anchoring object at one end of the shaft is replaced without removal of an object at the opposite end of the shaft that would otherwise tend to destabilize the shaft from its essentially horizontal position includes a half-spool member configured to clamp above and around the shaft to resist torque around the rotor, under supports configured to attach to the half-spool member and clamp an underside of the shaft below the half-spool member, and a hydraulic or mechanical brake configured to resist torque on the shaft when the brake is engaged.

WIND TURBINE BEDPLATE SUPPORT FRAME

A bedplate assembly of a wind turbine is provided. The bedplate assembly includes a rotor shaft with a first end coupled to a rotatable hub of the wind turbine via a rotor flange and a second end coupled to a gearbox. The bedplate assembly also includes a bedplate support frame coupled to the gearbox and to the rotor shaft for supporting the gearbox. The bedplate support frame includes a torque arm support device for supporting torque arms of the gearbox. The bedplate support frame also includes a circular support for housing a shaft support bearing for supporting the rotor shaft at the first end. Further, the bedplate support frame includes a cross-structure located under the rotor shaft, wherein the cross-structure comprises one or more arms connected internally to a first side wall and a second side wall 13010. A bedplate assembly () of a wind turbine () , said assembly comprising:{'b': 24', '25', '26', '10', '44', '29', '20, 'claim-text': [{'b': 32', '20', '24', '20', '32, 'claim-text': {'b': 50', '52', '54', '20, 'a torque arm support device () for supporting torque arms (, ) of the gearbox (),'}, 'a bedplate support frame () coupled to the gearbox () and to the rotor shaft () for supporting the gearbox (), wherein the bedplate support frame () comprises, {'b': 66', '24', '25, 'claim-text': {'b': 56', '24', '56', '62', '64, 'a cross-structure () located underneath the rotor shaft (), wherein the cross-structure () comprises one or more arms connected internally to a first side wall () and a second side wall ().'}, 'a circular support () for housing a shaft support bearing for supporting the rotor shaft () at the first end (); and'}], 'a rotor shaft () with a first end () coupled to a rotatable hub () of the wind turbine () via a rotor flange () and a second end () coupled to a gearbox (); and'}25674606264. The assembly of claim 1 , wherein the one or more arms comprise a first pair () of symmetrical arms connected to a front section () of the bedplate support ...

Biased cathode assembly of an X-ray tube with improved thermal management and a method of manufacturing same

Various systems and methods are provided for a biased cathode assembly of an X-ray tube with improved thermal management and a method of manufacturing same. In one example, a cathode assembly of an X-ray tube comprises an emitter assembly including an emitter coupled to an emitter support structure, and an electrode assembly including an electrode stack and a plurality of bias electrodes. The emitter assembly including a plurality of independent components that are coupled together. The electrode assembly including a plurality of independent components that are coupled together, and the emitter assembly being coupled to the electrode assembly.

METHODS FOR FABRICATING SYNGAS COOLER PLATENS AND SYNGAS COOLER PLATENS

A method for fabricating a syngas cooler is provided. The method includes coupling a tube cage within the syngas cooler, and coupling a plurality of platens to the tube cage to facilitate steam production in the syngas cooler. At least a first platen has at least one of a length that is larger than a length of a second platen, a non-linear geometry, and an angular position that is oblique with respect to a wall of the syngas cooler.

PIN FOR PLANETARY GEAR SYSTEM

A planetary gear system and a pin for coupling a planet gear to a carrier in a planetary gear system are disclosed. The planetary gear system includes a planet gear defining a central planet axis, a carrier disposed adjacent the at least one planet gear, and a pin extending from the carrier through the planet gear generally along the central planet axis. The pin includes a first end, a second end, and an outer surface extending therebetween. The pin further defines an opening extending from the outer surface generally along the central planet axis and at least partially through the pin. 1. A planetary gear system comprising:a planet gear defining a central planet axis;a carrier disposed adjacent the at least one planet gear; and,a pin extending from the carrier through the planet gear generally along the central planet axis, the pin comprising a first end, a second end, and an outer surface extending therebetween, the pin further defining an opening extending from the outer surface generally along the central planet axis and at least partially through the pin.2. The planetary gear system of claim 1 , wherein the opening is a bore hole.3. The planetary gear system of claim 2 , further defining a plurality of bore holes positioned in an annular array about the central planet axis.4. The planetary gear system of claim 1 , wherein the opening is a generally annular opening.5. The planetary gear system of claim 1 , wherein the opening extends parallel to the central planet axis.6. The planetary gear system of claim 1 , wherein the opening extends inwardly towards the central planet axis.7. The planetary gear system of claim 1 , wherein the first end is fixedly mounted to the carrier.8. The planetary gear system of claim 1 , further comprising a bearing claim 1 , the bearing comprising a plurality of rolling elements.9. The planetary gear system of claim 8 , wherein the outer surface defines an inner race in contact with the plurality of rolling elements.10. The planetary ...

BIASED CATHODE ASSEMBLY OF AN X-RAY TUBE WITH IMPROVED THERMAL MANAGEMENT AND A METHOD OF MANUFACTURING SAME

Various systems and methods are provided for a biased cathode assembly of an X-ray tube with improved thermal management and a method of manufacturing same. In one example, a cathode assembly of an X-ray tube comprises an emitter assembly including an emitter coupled to an emitter support structure, and an electrode assembly including an electrode stack and a plurality of bias electrodes. The emitter assembly including a plurality of independent components that are coupled together. The electrode assembly including a plurality of independent components that are coupled together, and the emitter assembly being coupled to the electrode assembly.

TEMPERATURE MEASUREMENT DEVICE THAT ESTIMATES AND COMPENSATES FOR INCIDENT RADIATION

A temperature measurement device includes a first thermocouple mounted on a tubular body that is shielded from the effects of radiation by a radiation shield, and a second, unshielded thermocouple. A difference in the measured temperatures from the first and second thermocouples is compared with calculated temperatures using an iterative process to determine a corrected temperature of the gas stream that estimates and compensates for incident radiation.

PLANETARY GEAR SYSTEM

A planetary gear system is disclosed. The planetary gear system includes a carrier, a planet gear defining a central planet axis, and a pin coupling the planet gear to the carrier. The planetary gear system additionally includes a bearing disposed between the planet gear and the pin. The bearing includes a plurality of rolling elements. Each of the rolling elements is in contact with an inner race and an outer race. The planetary gear system further includes a resilient member. The resilient member is disposed between one of the inner race and the pin or the outer race and the planet gear.

Pin for planetary gear system

A planetary gear system and a pin for coupling a planet gear to a carrier in a planetary gear system are disclosed. The planetary gear system includes a planet gear defining a central planet axis, a carrier disposed adjacent the at least one planet gear, and a pin extending from the carrier through the planet gear generally along the central planet axis. The pin includes a first end, a second end, and an outer surface extending therebetween. The pin further defines an opening extending from the outer surface generally along the central planet axis and at least partially through the pin.

Curved digital X-ray detector for weld inspection

Aspects of the present disclosure relate to the fabrication and use of a curved X-ray detector panel, suitable for use in imaging pipes or other curved objects to which the curved detector may be fitted. In certain embodiments, the curved detector panel is fabricated using a thin, flexible substrate that is unbreakable or resistant to breaking.

WIND TURBINE GEARBOX CARRIER WITH INTEGRATED PIN SHAFTS AND METHOD OF MANUFACTURING SAME

A gear system includes a carrier having a first portion and a separate, second portion and a plurality of pin shafts extending from the first portion of the carrier. Each of the plurality of pin shafts includes a first end and a second end. As such, the first ends are integrally formed with the first portion of the carrier. The first and second portions are arranged on opposing sides of the plurality of pin shafts and are spaced apart such that the first and second portions do not contact each other. Further, the second portion of the carrier defines an end plate that is secured to the second ends of the plurality of pin shafts. The gear system also includes a plurality of gears mounted to the plurality of pin shafts, with each of the plurality of gears arranged so as to rotate around one of the plurality of pin shafts.

Radiant coolers and methods for assembling same

A method of assembling a radiant cooler is provided. The method includes providing a vessel shell that includes a gas flow passage defined therein that extends generally axially through the vessel shell, coupling a plurality of cooling tubes and a plurality of downcomers together to form a tube cage wherein at least one of the plurality of cooling tubes is positioned circumferentially between a pair of circumferentially-adjacent spaced-apart downcomers, and orienting the tube cage within the vessel shell such that the tube cage is in flow communication with the flow passage.

FIBER BRAGG GRATING FOR HIGH TEMPERATURE SENSING

A method of fiber core material band gap engineering for artificially modifying fiber material properties is provided. The method includes doping the fiber core material with one or more atoms for enhancing photosensitivity to the fiber material. The method also includes co-doping the fiber core material with one or more ions for enhancing an amorphous network crosslink mean coordination number. The method further includes thermally annealing the fiber core material for widening the band gap of the fiber core material.

Methods and apparatus for replacing objects on horizontal shafts in elevated locations

An apparatus for stabilizing a shaft in an essentially horizontal position while an anchoring object at one end of the shaft is replaced without removal of an object at the opposite end of the shaft that would otherwise tend to destabilize the shaft from its essentially horizontal position includes a half-spool member configured to clamp above and around the shaft to resist torque around the rotor, under supports configured to attach to the half-spool member and clamp an underside of the shaft below the half-spool member, and a hydraulic or mechanical brake configured to resist torque on the shaft when the brake is engaged.

Biased cathode assembly of an x-ray tube with improved thermal management and a method of manufacturing same

Various systems and methods are provided for a biased cathode assembly of an X-ray tube with improved thermal management and a method of manufacturing same. In one example, a cathode assembly of an X-ray tube comprises an emitter assembly including an emitter coupled to an emitter support structure, and an electrode assembly including an electrode stack and a plurality of bias electrodes. The emitter assembly including a plurality of independent components that are coupled together. The electrode assembly including a plurality of independent components that are coupled together, and the emitter assembly being coupled to the electrode assembly.

APPARATUS AND METHOD FOR AERODYNAMIC PERFORMANCE ENHANCEMENT OF A WIND TURBINE

A deployable aerodynamic component configured to be mounted to a wind turbine. The wind turbine includes at least one rotor blade. The deployable aerodynamic component configured to be positioned in front of an inner portion of the at least one rotor blade, and is structurally configured to cover a substantial portion of the inner portion of the at least one rotor blade in a wind direction during deployment of the deployable aerodynamic component and to allow the passage therethrough of an incoming wind when non-deployed. Further described is a wind turbine including the above-described deployable aerodynamic component and method for aerodynamic performance enhancement of an existing wind turbine, wherein the method includes mounting the above-described deployable aerodynamic component to a wind turbine. 1. An aerodynamic component for a wind turbine configured to be mounted to said wind turbine , wherein at least one rotor blade is connected to a hub of said wind turbine and defines an inner portion and a profiled outer portion , the aerodynamic component comprising:a front portion configured to be positioned in front of the inner portion of the at least one rotor blade of the wind turbine in operation; operate in a deployed state to redirect an incoming wind toward the profiled outer portion of the at least one rotor blade;', 'operate in a non-deployed state to allow the incoming wind to flow toward the inner portion of the at least one rotor blade; and', 'allow rotation of the at least one rotor blade about its longitudinal axis for pitch angle adjustment of the at least one rotor blade without interfering with the deployment of the aerodynamic component., 'wherein the aerodynamic component is structurally configured to2. The aerodynamic component according to claim 1 , wherein in a side view claim 1 , the aerodynamic component has a deployed shape of a substantially spherical segment.3. The aerodynamic component according to claim 1 , wherein in a side view the ...

Crane system and an associated method thereof

A crane system for a wind turbine is disclosed. The crane system includes a support structure, a movable structure, a slidable device, a first actuator unit, and a plurality of second actuator units. The slidable device includes a base, a retention component, and first, second, third, and fourth pairs of clamping arms. The base is coupled to the support structure. The retention component is coupled to either side of the base to define a channel between the retention component and the base. The first and second pairs of clamping arms are spaced apart and coupled to each other and to the base. The third and fourth pairs of clamping arms are disposed within the channel, spaced apart, and coupled to each other. The first actuator unit is coupled to the slidable device and each second actuator unit is coupled to the first, second, third, and fourth pairs of clamping arms.

GEAR SYSTEM AND METHOD FOR USING SAME

A planet pin, a planetary gear system, and a method for balancing a load on a planetary gear system between respective planet gears. The planet pin includes a planet pin body having a flexure portion between a pair of ends. The flexure portion may be a planet pin body having grooves on opposing sides. The flexure portion may be a pair of pin bodies interference fit into annuluses of a centrally located barrel. The flexure portion may be a pair of pin arms extending from a centrally located ball joint. 1. A planet pin configured to serve as an anchoring point for a planet gear within a carrier , comprising a planet pin body having a flexure portion between a pair of ends , wherein the planet pin body comprises:first and second pairs of grooves allowing flexure of the planet pin body in a first direction and a rib, the first pair of grooves being located on an opposing side of the planet pin body from the second pair of grooves, and grooves from each of the pair of grooves being separated by the rib; orfirst and second planet pin bodies and a centrally located barrel, wherein each of the first and second planet pin bodies are positioned within the centrally located barrel; ora ball joint and a pair of pin arms, the pin arms extending in opposite directions from the ball joint.2. The planet pin of claim 1 , comprising a pair of plates positioned on surfaces of the planet pin body between the first and second pairs of grooves claim 1 , the pair of plates inhibiting flexure of the planet pin body in a second direction orthogonal to the first direction.3. The planet pin of claim 1 , wherein the barrel comprises:a core; anda pair of flanges each having an annulus and each extending from an opposite side of the core, wherein each of the first and second planet pin bodies are interference fit into a respective one of the annuluses.4. The planet pin of claim 1 , wherein each of the first and second planet pin bodies comprises an enlarged head from which a body member extends ...

COMPLIANT CARRIER WALL FOR IMPROVED GEARBOX LOAD SHARING

A planetary gear system and a method of fabricating same. The planetary gear system includes at least one planet gear, at least one planet pin receiving the at least one planet gear, and a carrier. The carrier itself includes at least one carrier opening for accommodating the at least planet gear, at least one planet pin opening for receiving the at least one planet pin, and at least one flex portion within a wall of the carrier for providing enhanced compliance to the carrier in response to force directed on the at least one planet gear.

Wind turbine bedplate support frame

A bedplate assembly of a wind turbine is provided. The bedplate assembly includes a rotor shaft with a first end coupled to a rotatable hub of the wind turbine via a rotor flange and a second end coupled to a gearbox. The bedplate assembly also includes a bedplate support frame coupled to the gearbox and to the rotor shaft for supporting the gearbox. The bedplate support frame includes a torque arm support device for supporting torque arms of the gearbox. The bedplate support frame also includes a circular support for housing a shaft support bearing for supporting the rotor shaft at the first end. Further, the bedplate support frame includes a cross-structure located under the rotor shaft, wherein the cross-structure comprises one or more arms connected internally to a first side wall and a second side wall.

WIND TURBINE ROTOR BLADE WITH FABRIC SKIN AND ASSOCIATED ATTACHMENT METHOD

A rotor blade for a wind turbine includes an internal support structure including a plurality of fixed, spaced support members extending in a chord-wise and span-wise direction and defining a generally aerodynamic contour of the rotor blade. A plurality of the support members have an outer surface with a longitudinally extending slot defined therein. A plurality of fabric strips are attached over the internal support structure in a tensioned state and define an aerodynamic outer skin. The fabric strips extend over and are attached to the support members with a longitudinally extending insert member that presses the fabric strips into the slot and lockingly engages within the slot. 1. A rotor blade for a wind turbine , the rotor blade comprising:an internal support structure extending span-wise from a blade root to a blade tip;said internal support structure including a plurality of fixed, spaced support members extending in a chord-wise and span-wise direction defining a generally aerodynamic contour of said rotor blade;a plurality of said support members having an outer surface with a longitudinally extending slot defined therein;a plurality of fabric strips attached over said internal support structure in a tensioned state defining an aerodynamic outer skin; andsaid fabric strips extending over and attached to said support members with a longitudinally extending insert member that presses said fabric strips into said slot and lockingly engages within said slot.2. The rotor blade as in claim 1 , wherein a plurality of said chord-wise support members have an outer surface with said longitudinally extending slots defined therein claim 1 , said fabric strips tensioned between said chord-wise support members and having chord-wise extending edges attached to said chord-wise support members with said insert members.3. The rotor blade as in claim 2 , wherein a plurality of said span-wise support members have an outer surface with said longitudinally extending slots ...

Electrical machines and assemblies including a yokeless stator with modular lamination stacks

An electrical machine includes a rotor with an inner rotor portion and an outer rotor portion, and a double-sided yokeless stator. The yokeless stator includes modular lamination stacks and is configured for radial magnetic flux flow. The double-sided yokeless stator is concentrically disposed between the inner rotor portion and the outer rotor portion of the electrical machine. Examples of particularly useful embodiments for the electrical machine include wind turbine generators, ship propulsion motors, switch reluctance machines and double-sided synchronous machines.

Wind turbine bearings

In one aspect, a dual pitch bearing configuration for coupling a rotor blade to a hub of a wind turbine. The dual pitch bearing configuration including a first pitch bearing and at least one additional pitch bearing. The first pitch bearing and the and at least one additional pitch bearing are coupled to opposed surfaces of a static shaft. The at least one additional pitch bearing is disposed radially a distance L R and axially a distance L A from the first pitch bearing along the static shaft. The dual pitch bearing is disposed radially within a blade root of the rotor blade. The dual pitch bearing configuration minimizing moment loading on the first pitch bearing and the at least one additional pitch bearing. A wind turbine including the dual pitch bearing configuration is further disclosed.

SYSTEM AND METHOD FOR REDUCING THE TRANSPORT WIDTH OF A GEARBOX FOR A WIND TURBINE

The present disclosure is directed to a gearbox assembly for a wind turbine. The gearbox assembly has a maximal installed width and a maximal transport width. The maximal installed width is greater than the maximal transport width. The gearbox assembly includes at least one torque arm coupled to opposing sides of the gearbox housing. Each of the torque arms includes a proximal end and a distal end. The proximal ends are removably coupled to the exterior surface of the gearbox such that the distance between the distal ends define the maximal installed width. The torque arms are coupled to at least one support element and to a bedplate of the wind turbine.

Apparatus for cooling and scrubbing a flow of syngas and method of assembling

A method of assembling a spray quench apparatus is provided. The method includes coupling a first end of an exit tube to a quench chamber such that the exit tube end is in flow communication with the quench chamber, coupling at least one spray nozzle to an opposite second end of the exit tube such that water emitted from the spray nozzle fills the exit tube and forms a film of water across an inner surface of the exit tube, coupling a water source to the quench chamber for providing a substantially continuous water film along an inner surface of the quench chamber, and coupling at least one discharge apparatus to the quench chamber for providing water spray into the quench chamber, wherein the water of the water film and water sprays drains into a water sump.

Pin for planetary gear system

A planetary gear system and a pin for coupling a planet gear to a carrier in a planetary gear system are disclosed. The planetary gear system includes a planet gear defining a central planet axis, a carrier disposed adjacent the at least one planet gear, and a pin extending from the carrier through the planet gear generally along the central planet axis. The pin includes a first end, a second end, and an outer surface extending therebetween. The pin further defines an opening extending from the outer surface generally along the central planet axis and at least partially through the pin.

COOLING ASSEMBLY FOR ELECTRICAL MACHINES AND METHODS OF ASSEMBLING THE SAME

A cryocooler assembly for cooling a field winding of an electrical machine having an axis of rotation is provided. The assembly includes a cryocooler and a reservoir coupled in flow communication to the cryocooler and configured to contain a cooling agent. A flow assembly is coupled in flow communication to the reservoir. The flow assembly includes a first flow loop coupled in flow communication to the reservoir; a second flow loop coupled in flow communication to the reservoir; and a plurality of flow members coupled in flow communication to the first flow loop and the second flow loop and coupled to the field winding. Each flow member is configured to thermosiphon the cooling agent in a first state from the reservoir and in a second state to the reservoir. 1. A cryocooler assembly for cooling a field winding assembly of an electrical machine having an axis of rotation , said assembly comprising:a cryocooler;a reservoir coupled in flow communication to said cryocooler and configured to contain a cooling agent; a first flow loop coupled in flow communication to said reservoir;', 'a second flow loop coupled in flow communication to said reservoir; and', 'a plurality of flow members coupled in flow communication to said first flow loop and said second flow loop and coupled to the field winding assembly, each flow member is configured to thermosiphon the cooling agent in a first state from said reservoir and in a second state to said reservoir; and, 'a flow assembly coupled in flow communication to said reservoir, said flow assembly comprisinga torque assembly coupled to the stator and configured to receive torque experienced by the field winding assembly as the cooling agent thermosiphons through said plurality of flow members.2. The assembly of claim 1 , wherein said flow assembly comprises a supply member coupled in flow communication to said first flow loop and said second flow loop.3. The assembly of claim 1 , wherein said plurality of flow members are coupled to ...

System and method for reducing the transport width of a gearbox for a wind turbine

The present disclosure is directed to a gearbox assembly for a wind turbine. The gearbox assembly has a maximal installed width and a maximal transport width. The maximal installed width is greater than the maximal transport width. The gearbox assembly includes at least one torque arm coupled to opposing sides of the gearbox housing. Each of the torque arms includes a proximal end and a distal end. The proximal ends are removably coupled to the exterior surface of the gearbox such that the distance between the distal ends define the maximal installed width. The torque arms are coupled to at least one support element and to a bedplate of the wind turbine.

WIND TURBINE DOME AND METHOD OF ASSEMBLY

An aerodynamic dome structure that is placed in front of a wind turbine hub includes a plurality of arcuate panels. The arcuate panels are interconnected to form a dome-shaped structure. A plurality of arcuate radial spar supports may be employed to support the arcuate panels. 1. An aerodynamic dome for a wind turbine , the aerodynamic dome comprising:a plurality of arcuate radial spar supports together forming a dome-shaped frame; andat least one cover segment enveloping at least a portion of the dome-shaped frame to form at least a portion of an outer dome structure.2. The aerodynamic dome according to claim 1 , wherein the at least one cover segment is a metal sheet segment claim 1 , a fabric segment claim 1 , a composite panel segment claim 1 , a composite sandwich segment claim 1 , a plastic segment claim 1 , a polycarbonate segment claim 1 , or a combination thereof.3. The aerodynamic dome according to claim 1 , further comprising at least one attachment mechanism coupling the at least one cover segment to the dome-shaped frame.4. (canceled)5. The aerodynamic dome according to claim 3 , wherein the at least one attachment mechanism is selected from a bolt claim 3 , a rivet claim 3 , crimping claim 3 , double-sided tape claim 3 , a hook and loop element claim 3 , a protrusion and slot structure claim 3 , and combinations thereof.6. The aerodynamic dome according to claim 1 , wherein the at least one cover segment comprises at least one of a pie-shaped segment when viewed from a direction substantially orthogonal to an outermost surface of the at least one cover segment claim 1 , a channel-frame segment claim 1 , a box-frame segment claim 1 , a beam structure segment claim 1 , and combinations thereof.7. The aerodynamic dome according to claim 1 , further comprising a support structure for securing the plurality of arcuate radial spar supports proximal an apex of the aerodynamic dome.8. The aerodynamic dome according to claim 1 , further comprising a ring ...

Temperature measurement device that estimates and compensates for incident radiation

A temperature measurement device includes a first thermocouple mounted on a tubular body that is shielded from the effects of radiation by a radiation shield, and a second, unshielded thermocouple. A difference in the measured temperatures from the first and second thermocouples is compared with calculated temperatures using an iterative process to determine a corrected temperature of the gas stream that estimates and compensates for incident radiation.

Methods and apparatus for replacing objects on horizontal shafts in elevated locations

An apparatus for stabilizing a shaft in an essentially horizontal position while an anchoring object at one end of the shaft is replaced without removal of an object at the opposite end of the shaft that would otherwise tend to destabilize the shaft from its essentially horizontal position includes a half-spool member configured to clamp above and around the shaft to resist torque around the rotor, under supports configured to attach to the half-spool member and clamp an underside of the shaft below the half-spool member, and a hydraulic or mechanical brake configured to resist torque on the shaft when the brake is engaged.

Liquid equalized gear system and method for using same

A carrier for use in a planetary gear system. The carrier has a plurality of openings or slots offset from a midline thereof. The carrier includes alignment mechanisms positioned in each of the plurality of openings or slots to substantially align each planet gear about the midline of the carrier. The carrier may be used in a planetary gear system for use in a wind turbine. One aspect incorporates eccentric rings in the openings. Another aspect incorporates inserts in the slots. Each of the rings and inserts has openings that, when properly positioned, will substantially bisect the carrier midline.

Heat flux measurement device for estimating fouling thickness

A heat flux measurement device includes at least two thermocouples disposed within a front portion of the device at different axial distances from a front wall of the device. A correlation between the measured heat fluxes from the device over a period of time is used to estimate a fouling thickness on a wall, for example, a water wall of a radiant syngas cooler (RSC).

Fiber Bragg grating for high temperature sensing

A method of fiber core material band gap engineering for artificially modifying fiber material properties is provided. The method includes doping the fiber core material with one or more atoms for enhancing photosensitivity to the fiber material. The method also includes co-doping the fiber core material with one or more ions for enhancing an amorphous network crosslink mean coordination number. The method further includes thermally annealing the fiber core material for widening the band gap of the fiber core material.

CURVED DIGITAL X-RAY DETECTOR FOR WELD INSPECTION

Aspects of the present disclosure relate to the fabrication and use of a curved X-ray detector panel, suitable for use in imaging pipes or other curved objects to which the curved detector may be fitted. In certain embodiments, the curved detector panel is fabricated using a thin, flexible substrate that is unbreakable or resistant to breaking. 1. A method for imaging a pipe , comprising:positioning a curved X-ray sensor of a portable digital detector with respect to a portion of a pipe to be imaged;reading out digital signals from the X-ray sensor corresponding to the incidence of X-rays transmitted through the portion of the pipe; andgenerating one or more images based on the digital signals, wherein the one or more images depict X-ray transmission through the portion of the pipe.2. The method of claim 1 , wherein positioning the curved X-ray sensor comprises attaching the curved X-ray sensor to an external surface of the pipe.3. The method of claim 1 , wherein positioning the curved X-ray sensor comprises moving and orienting the curved X-ray sensor within the pipe.4. The method of claim 1 , wherein the digital signals read out from the X-ray sensor correspond to X-ray transmitted through a single wall of the pipe.5. The method of claim 1 , wherein the digital signals read out from the X-ray sensor correspond to X-ray transmitted through opposing walls of the pipe.6. The method of claim 1 , wherein the portion of the pipe contains a weld fillet.7. The method of claim 1 , wherein the curved X-ray sensor comprises at least a detector panel claim 1 , readout electronics claim 1 , and a housing.8. The method of claim 1 , further comprising:selecting the curved X-ray sensor from among two or more curved X-ray sensors, wherein each of the two or more curved X-ray sensors are shaped or curved differently; andattaching the selected curved X-ray sensor to the portable digital detector prior to placing the curved X-ray sensor against the portion of the pipe.9. The method ...

Load equalized gear system

A carrier 110 for use in a planetary gear system 100 is described. The carrier 110 has a plurality of openings 117 or slots 242 offset from a midline thereof. The carrier includes alignment mechanisms 125, 240 positioned in each of the plurality of openings or slots to substantially align each planet gear about the midline of the carrier. The carrier 110 may be used in a planetary gear system 100 for use in a wind turbine. One aspect incorporates eccentric rings in the openings 117. Another aspect incorporates inserts in the slots 242. Each of the rings and inserts has openings that, when properly positioned, will substantially bisect the carrier midline.

Method and apparatus for replacing objects mounted on horizontal shafts in elevated locations

An apparatus (400) for stabilizing a shaft (402) in an essentially horizontal position while an anchoring object (300) at one end (602) of the shaft is replaced without removal of an object (104) at the opposite end (604) of the shaft that would otherwise tend to destabilize the shaft from its essentially horizontal position includes a half-spool member (401) configured to clamp above and around the shaft to resist torque around a rotor (104), under supports (500) configured to attach to the half-spool member and clamp an underside of the shaft below the half-spool member, and a hydraulic or mechanical brake (518) configured to resist torque on the shaft when the brake is engaged.

ELECTRICAL MACHINES AND ASSEMBLIES COMPRISING A STATOR WITHOUT CYLINDER HEAD WITH MODULAR STACKS OF SHEETS.

Machine électrique comprenant un rotor (16) avec une partie formant rotor intérieur (18) et une partie formant rotor extérieur (20), et un stator (22) à deux côtés, sans culasse. Le stator sans culasse comprend des empilements modulaires de tôles et est configuré pour un écoulement radial du flux magnétique. Le stator à deux côtés, sans culasse, est disposé de manière concentrique entre la partie formant rotor intérieur et la partie formant rotor extérieur de la machine électrique. On peut citer comme exemples de formes de réalisation particulièrement utiles pour la machine électrique les générateurs pour éoliennes, les moteurs de propulsion de navires, les machines de commutation à réluctance et les machines synchrones à deux côtés. An electric machine comprising a rotor (16) with an inner rotor portion (18) and an outer rotor portion (20), and a two-sided, non-head stator (22). The breechless stator includes modular sheet stacks and is configured for radial flow of the magnetic flux. The two-side, non-yoke stator is concentrically disposed between the inner rotor portion and the outer rotor portion of the electric machine. Examples of particularly useful embodiments for the electrical machine include generators for wind turbines, ship propulsion engines, reluctance switching machines and two-sided synchronous machines.

Pitch bearing arrangement at hub of wind turbine

A pitch bearing configuration for a rotor of a wind turbine. The pitch bearing configuration including a plurality of bearing housings, each bearing housing having disposed therein at least two pitch bearing assemblies. The configuration further including at least three rotor blade shafts, each of the rotor blade shafts coupled to two of the plurality of bearing housings and to a rotor blade of the rotor. The two bearing housings, coupled to each shaft of adjacent rotor blades, supports the adjacent rotor blade shafts. The pitch bearing configuration minimizing moment loading on the pitch bearings within each pitch bearing housing. A wind turbine including the pitch bearing configuration is further disclosed.

Method and apparatus for replacing a gearbox in a wind turbine

System and method for reducing the transport width of a gearbox for a wind turbine

The present disclosure is directed to a gearbox assembly for a wind turbine. The gearbox assembly has a maximal installed width and a maximal transport width. The maximal installed width is greater than the maximal transport width. The gearbox assembly includes at least one torque arm coupled to opposing sides of the gearbox housing. Each of the torque arms includes a proximal end and a distal end. The proximal ends are removably coupled to the exterior surface of the gearbox such that the distance between the distal ends define the maximal installed width. The torque arms are coupled to at least one support element and to a bedplate of the wind turbine.

ELECTRICAL MACHINES AND ASSEMBLIES COMPRISING A STATOR WITHOUT CYLINDER HEAD WITH MODULAR STACKS OF SHEETS.

Wind turbine bedplate support frame

A bedplate assembly of a wind turbine is provided. The bedplate assembly includes a rotor shaft with a first end coupled to a rotatable hub of the wind turbine via a rotor flange and a second end coupled to a gearbox. The bedplate assembly also includes a bedplate support frame coupled to the gearbox and to the rotor shaft for supporting the gearbox. The bedplate support frame includes a torque arm support device for supporting torque arms of the gearbox. The bedplate support frame also includes a circular support for housing a shaft support bearing for supporting the rotor shaft at the first end. Further, the bedplate support frame includes a cross-structure located under the rotor shaft, wherein the cross-structure comprises one or more arms connected internally to a first side wall and a second side wall.

Planetengetriebe mit leistungsverzweigung für windturbinen

Curved digital x-ray detector for weld inspection

Aspects of the present disclosure relate to the fabrication and use of a curved X-ray detector panel (64), suitable for use in imaging pipes (18) or other curved objects to which the curved detector may be fitted. In certain embodiments, the curved detector panel is fabricated using a thin, flexible substrate that is unbreakable or resistant to breaking.

Flexible carrier wall for improved gearbox load sharing

Biased cathode assembly of an x-ray tube with improved thermal management and a method of manufacturing same

Various systems and methods are provided for a biased cathode assembly of an X-ray tube with improved thermal management and a method of manufacturing same. In one example, a cathode assembly of an X-ray tube comprises an emitter assembly including an emitter coupled to an emitter support structure, and an electrode assembly including an electrode stack and a plurality of bias electrodes. The emitter assembly including a plurality of independent components that are coupled together. The electrode assembly including a plurality of independent components that are coupled together, and the emitter assembly being coupled to the electrode assembly.

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