Abstract: Systems and methods for virtual reality interaction evaluation are disclosed herein. The system can include a memory including: an interaction sub-database containing information relating to user interactions with at least one virtual asset in a virtual environment, and a content library database containing a plurality of virtual assets and information relating to those virtual assets. The system can include at least one server that can determine user engagement with at least one of the plurality of virtual assets, receive data indicative of an interaction with at least one of the plurality of virtual assets, and determine an interaction type of the interaction associated with the received data. The server can perform a speech capture and analysis process, perform a manipulation process, generate an evaluation of the user interactions with the at least one of the plurality of virtual assets, and deliver the generated evaluation.

Abstract: Generating personalized aggregated content is disclosed herein. The system can include a memory include an aggregated content database. The system can include a user device having a first network interface and a first I/O subsystem. The system can include one or more servers that can include a packet selection system and a presentation system. These one or more servers can: receive content files from the user device. A server can parse the content files and further generate features and feature vectors based on a related domain model. Content from the parsed content files may then be used to generate cards or content aggregations.

Abstract: Systems and methods for automated objective identification are disclosed herein. The system can include a user device and a memory. The memory can include a filed database including field data associated with previously identified objectives. The memory can include a scoring database containing a machine-learning scoring algorithm. The system can include at least one server that can receive an identifier of a content portion, extract field information identifying at least one attribute of the identified content portion from the content portion, input extracted field information into the machine-learning scoring algorithm; receive identification of objectives forming a set of objectives from the machine-learning scoring algorithm; sort the objectives forming the set of objectives according to scores generated for each of the objectives in the set of objectives; and output the sorted objectives to the user device.

Abstract: Generating personalized aggregated content is disclosed herein. The system can include a memory include an aggregated content database. The system can include a user device having a first network interface and a first I/O subsystem. The system can include one or more servers that can include a packet selection system and a presentation system. These one or more servers can: receive content files from the user device. A server can parse the content files and further generate features and feature vectors based on a related domain model. Content from the parsed content files may then be used to generate cards or content aggregations.

Abstract: Systems and methods for automated objective identification are disclosed herein. The system can include a user device and a memory. The memory can include a filed database including field data associated with previously identified objectives. The memory can include a scoring database containing a machine-learning scoring algorithm. The system can include at least one server that can receive an identifier of a content portion, extract field information identifying at least one attribute of the identified content portion from the content portion, input extracted field information into the machine-learning scoring algorithm; receive identification of objectives forming a set of objectives from the machine-learning scoring algorithm; sort the objectives forming the set of objectives according to scores generated for each of the objectives in the set of objectives; and output the sorted objectives to the user device.

Abstract: Systems and methods for virtual reality interaction evaluation are disclosed herein. The system can include a memory including: an interaction sub-database containing information relating to user interactions with at least one virtual asset in a virtual environment, and a content library database containing a plurality of virtual assets and information relating to those virtual assets. The system can include at least one server that can determine user engagement with at least one of the plurality of virtual assets, receive data indicative of an interaction with at least one of the plurality of virtual assets, and determine an interaction type of the interaction associated with the received data. The server can perform a speech capture and analysis process, perform a manipulation process, generate an evaluation of the user interactions with the at least one of the plurality of virtual assets, and deliver the generated evaluation.

Abstract: Systems and methods for virtual reality interaction evaluation are disclosed herein. The system can include a memory including: an interaction sub-database containing information relating to user interactions with at least one virtual asset in a virtual environment, and a content library database containing a plurality of virtual assets and information relating to those virtual assets. The system can include at least one server that can determine user engagement with at least one of the plurality of virtual assets, receive data indicative of an interaction with at least one of the plurality of virtual assets, and determine an interaction type of the interaction associated with the received data. The server can perform a speech capture and analysis process, perform a manipulation process, generate an evaluation of the user interactions with the at least one of the plurality of virtual assets, and deliver the generated evaluation.

Abstract: Systems and methods for virtual reality interaction evaluation are disclosed herein. The system can include a memory including: an interaction sub-database containing information relating to user interactions with at least one virtual asset in a virtual environment, and a content library database containing a plurality of virtual assets and information relating to those virtual assets. The system can include at least one server that can determine user engagement with at least one of the plurality of virtual assets, receive data indicative of an interaction with at least one of the plurality of virtual assets, and determine an interaction type of the interaction associated with the received data. The server can perform a speech capture and analysis process, perform a manipulation process, generate an evaluation of the user interactions with the at least one of the plurality of virtual assets, and deliver the generated evaluation.

Abstract: Manufacture of an arcuate diffuser shell (38A/38B) assembled from an axially forward portion (38A) and an axially aft portion (38B), the two portions welded to respective sides of an arcuate flange (58A) via two respective pairs of circumferential welds (70A/70B and 72A/72B or 80/84 and 82/86 or 80/88 and 82/90). Each pair of welds comprises first and second welds on opposed surfaces (58, 74) of the shell. The first and second welds compensate each other with respect to welding process shrinkage, eliminating weld warping (68) of the shell. The first and second welds may have equal cross sectional areas or equal masses over a circumferential span of the flange.

Abstract: Manufacture of a gas turbine exhaust diffuser shell (40A/40B) to achieve a final cross-sectional shell geometry by forming an opening (76) in the shell to receive a strut shield collar (46); forming a compensating outward bowing (78) of the shell around the opening that departs from a desired final shell geometry in an amount and shape that compensates for a welding shrinkage when welding the collar in the opening; and welding the collar in the opening. This produces the desired shell geometry after the welding. The collar may be welded proximate an edge (74) of the diffuser shell, such as along an intersection of an axial plane with the diffuser shell. A multi-bolt flange (68) may be welded to or otherwise formed along this edge for assembling an annular exhaust diffuser duct (38A-B, 40A/B) in an exhaust section (20) of a gas turbine engine.

Abstract: A method for casting a collar (44, 46) for a heat shield (36) of a strut (32) in a gas turbine exhaust section (20). A casting geometry (60, 70) is defined with extra wall thickness (56, 68) in an area of wall curvature (53, 54), which provides a flow path beyond a final geometry of the collar to facilitate a flow of molten metal in the mold (63, 64). The extra thickness is removed after casting, leaving the collar in its final geometry, which may have uniform wall thickness (T, T2). The extra thickness in the casting geometry may be provided by increased radius (R3) in the wall curvature and/or by casting feed portals (66, 68) that span the wall curvature between a tubular portion (50) and a flange (52) of the collar.

Abstract: A mounting adaptor for coupling a gas pressure regulator outlet to a gas meter inlet includes a plate having through-bores alignable with internally threaded blind holes which surround the meter inlet in the meter wall. The plate has a planar surface surrounding the outlet opening of the regulator and is adapted for contact engagement with a planar surface on the meter exterior wall surrounding the inlet opening. A groove in the planar surface of the plate holds a sealing ring to effect a seal. In an alternate construction, a tube extends from the plate into the meter inlet opening and an annular groove on the tube exterior holds a sealing ring for engagement with a cylindrical wall extending into the meter from the inlet opening.

Abstract: A diaphragm-type gas pressure regulator wherein the valve subassembly is constructed as a drop-in unit. The valve subassembly includes a diaphragm lever and a plunger valve. A seat disk is inserted in a cavity at a first end of the plunger valve and the rounded pivot end of the lever is inserted in a groove at the other end of the plunger valve. The plunger valve is then inserted into a valve guide and a lever pin is installed through the guide and the lever, thereby capturing the subassembly. This subassembly is then placed into the regulator body and a mounting plate of the valve guide is screwed down into the regulator body. The lever is lifted up and its actuator end is inserted through an opening at the bottom of the valve stem of the regulator's diaphragm assembly. An orifice member is then threadedly installed into the regulator body inlet, the end of the orifice member having a valve seat which becomes seated in the end of the plunger valve guide.

Abstract: A high-performance, high efficiency dirty air motor/fan assembly for vacuum cleaners has a fan housing which includes an end bracket. The end bracket has a volute expansion chamber. A shroud/baffle unit mounts to the end bracket and serves to separate the exhaust plenum of the ventilating fan of the motor, from the intake plenum. A component mounting strap is mounted to the housing and the shroud/baffle unit to provide a mounting surface for vacuum cleaner interfaces.

Abstract: A molded impeller fan assembly has a backing plate and a plurality of blades extending generally orthogonally upwardly therefrom. A V-shaped buttress is formed at the transition of each blade to the backing plate. Each buttress is defined by a pair of opposed walls which are formed where the backing plate curves gradually upward toward the blade apex. A V-shaped indentation is disposed between the walls in a side of the backing plate opposite the blades. The walls of the buttress serve to transfer centrifugal and impact forces from the blades to the backing plate.

Abstract: A bearing retaining device is provided to maintain a shaft bearing within a housing. In one embodiment the device has a housing with a central bore into which is received a bearing. The bearing rests upon a bearing seat and is maintained in the housing by a retainer clip. The retainer clip is generally disc shaped with a number of spring tab members extending at an angle therefrom. When the retainer clip is rotated within the housing, the spring tab members are compressed by brush holders protruding into the housing and above the retainer seat. The spring tab members spring back to position after clearing the protrusions and dimpled ears formed in the retainer clip body frictionally engage the brush holders. The trailing edge of each spring tab member grips the side of each brush holder. The bearing is thereby locked into the housing and displacement and vibration thereof are eliminated.

Abstract: A ground lead connection is provided to electrically ground a motor armature shaft. In one embodiment the device has a motor housing in which is mounted a bearing. An armature shaft is journaled in the bearing and a ground lead is attached to the bearing. The bearing is provided with a counter bore socket which receives a terminal from the ground lead. The terminal includes a ferrule and a plug which has flared fingers. When connected, the plug engages the bore of the socket and the fingers engage the counter bore to permanently prevent removal of the terminal from the socket. The shaft is thereby grounded via the bearing without the need for numerous parts.