Abstract: An investment casting core combination includes a metallic casting core and a ceramic feedcore. A first region of the metallic casting core is embedded in the ceramic feedcore. The metallic casting core includes a plurality of body sections. The first region is along at least some of the body sections. The metallic casting core includes a plurality of springs spanning gaps between adjacent body sections and unitarily formed therewith.

Abstract: A correction device used for a dental implant device includes a jig formed at the center of the upper portion with a receiving hole having a sleeve on the inner circumferential surface, a solid screw having a head and a coupling screw and being transferred to the receiving hole, the head formed with a second sleeve resting groove corresponding to the sleeve of the receiving hole, the coupling screw integrally formed at the other side of the head, an abutment penetratingly coupled to the coupling screw of the solid screw and formed with a first sleeve resting groove on the outer circumferential surface, the groove corresponding to the sleeve of the receiving hole, a dental analog body formed at the end portion with a coupler coupled to the abutment and at the center with a pass-through hole, and an analog screw formed at the inside with a female screw coupled to the dental analog body and the coupling screw of the solid screw at the same time.

Abstract: A process for manufacturing a composite structure includes the steps of disposing a removable adhesive material in contact with a first surface of a reusable composite structure; disposing a first surface of an expendable composite structure in contact with the removable adhesive material to form a composite structure assembly; and curing the composite structure assembly.

Abstract: An integrated additive manufacturing cell (IAMC) that combines conventional manufacturing technologies with additive manufacturing processes is disclosed. Individual IAMCs may be configured and optimized for specific part families of complex components, or other industrial applications. The IAMCs incorporate features that reduce hardware cost and time and allow for local alloy tailoring for material properties optimization in complex components.

Abstract: A turbine engine component has a substrate and a thermal barrier coating deposited onto the substrate. The thermal barrier coating comprises a ceramic material having a sodium containing compound incorporated therein. The sodium containing compound is present in a concentration so that when molten sand reacts with the coating, sodium silicate is formed as the by product.

Abstract: The invention relates to a machine for producing and/or further processing a fibrous web, said machine comprising a press part and a drying part. The press part comprises only one press nip, and the first or second drying group of the dry part comprises an air-flow drying unit.

Abstract: Disclosed herein is an Ultra WideBand (UWB) M-ary Code Shift Keying (MCSK)/Binary Pulse Position Modulation (BPPM) wireless communication system and method. The system includes a transmitter and a receiver. The transmitter selects a specific TH code using MCSK according to an additional data stream, performs BPPM on a desired signal according to the selected TH code, and transmits the modulated signal via a channel. The receiver receives the signal transmitted from the transmitter via the channel, and estimates the transmitted signal, which is transmitted from the transmitter, through detection of a Maximum Likelihood (ML) sequence.

Abstract: There are provided a resin double helical gear capable of reducing operation noises and vibrations of an ink jet printer, and a gear train for an ink jet printer using the same. The gear train 2 for an ink jet printer 1 includes an output gear 5 of a motor 3, a first idle gear 6 meshing with the output gear 5, a second idle gear 7 rotatable with the first idle gear 6, and a driven gear 8 which is mounted on a roller shaft 13 so as to be rotatable therewith and which meshes with the second idle gear 7, wherein a resin double helical gear 101 is used as each of the output gear and the first idle gear, and a spur gear is used as each of the second idle gear and the driven gear. The resin double helical gear may have a meshing relief portion 113 by cutting a chevron-shaped top portion 104 in a central portion 103 in face width directions, which is arranged in a butt portion 113 between a first die 108 and a second die 110, from a tooth crest to a portion near a bottom land so as to decrease a tooth thickness.

Abstract: A derived timber board with a surface coating applied at least in parts is characterized in that at least one coating of a synthetic resin reinforced with fibers is applied as a surface coating. A method for applying the coating is also described.

Abstract: A DC power source device is provided which comprises conduction detectors 17, 18 for producing detection signals VP1, VP2 during the detective period of rectification MOS-FETs 15, 16 and timer circuits 19, 20 connected to polarity detectors 17, 18. Timer circuits 19, 20 count output time of detection signal VP1, VP2 from polarity detectors 17, 18 until electric current through one of rectification MOS-FETs 15, 16 comes to zero, and turns the other of rectification MOS-FETs 15, 16 off immediately before termination of the counted time so that timer circuits 19, 20 can reliably turn rectification MOS-FETs 15, 16 off during the conductive period of forward current flow for efficient synchronous rectification.

Abstract: The present invention relates to a method and apparatus for seamlessly transitioning text into sign language. The apparatus comprises an encoding module and a translation module. The encoding module includes a camera for recording visual images of a model signing words and phrases, a video box for providing each of the images with a position code, and a processing unit with a memory for storing each of the recorded images so as to create a database of sign language video clips. The translation module includes a processing unit, a monitor associated with the processing unit for displaying a visual output in seamless sign language and a textual output, and a memory containing the database associated with the processing unit.

Abstract: The invention relates to an electromagnetic actuating apparatus with an armature unit, which is guided axially in a housing and is capable of being moved by means of energizing a coil apparatus, contact plug means, which are held in an insulator unit, being associated with the coil apparatus, and an elongated ground contact of the contact plug means being electrically conductively connected to the housing, and the ground contact interacting electrically conductively at an engagement end which is opposite its free end with a yoke section, which is associated with the housing preferably at the front end, in such a way that, in a fitted state, a cutout formed in the engagement end in the ground contact engages over a projection of the yoke section and/or at least partially surrounds it.

Abstract: A turbine engine component has an airfoil portion having a pressure side and a suction side, a trailing edge discharge slot, and a suction side lip downstream of an exit of the trailing edge slot. The suction side lip is provided with negative features for increasing local heat transfer coefficient in the region of the suction side lip.

Abstract: A terminal pin includes a substantially elongate pin body having a longitudinal axis and a terminal head, the terminal head having an opening for receiving a wire, the opening extending substantially transverse to the longitudinal axis. This results in a substantial reduction in space required as compared to other connection structures.

Abstract: A spacer grid used for placing and supporting fuel rods in nuclear reactor fuel assemblies is disclosed. The spacer grid of this invention has a plurality of inner strips intersecting each other to form a plurality of guide tube cells and a plurality of fuel rod cells, with a plurality of mixing blades projecting upward from the inner strips at intersections of the inner strips. The spacer grid further includes a plurality of perimeter strips to encircle the intersecting inner strips. Each of the perimeter strips is fabricated with a plurality of unit intermediate strips and a plurality of unit corner strips, with a grid spring provided on each of the unit strips.

Abstract: An apparatus for assessing health of a device comprising a data alignment module for receiving a plurality of sensory outputs and outputting a synchronized data stream, an analysis module for receiving the synchronized data stream and outputting at least one device health feature, and a high level diagnostic feature information fusion module for receiving the at least one device health feature and outputting a device health assessment.

Abstract: A current resonant DC-DC converter of multi-output type is provided which comprises an output-regulatory MOS-FET 40 connected between a secondary winding 5c of a transformer 5 and a smoothing capacitor 16 in a second rectifying smoother 17, and an output control circuit 41 for controlling the on-off operation of output-regulatory MOS-FET 40 based on voltage VO2 from smoothing capacitor 16 in second rectifying smoother 17. By turning the on-off operation of output-regulatory MOS-FET 40 in synchronization with switching frequency of first or second MOS-FETs 1, 2, an ideal cross regulation among respective DC outputs can be obtained, providing the inexpensive converter with simple circuit alteration capable of producing highly stable DC outputs with high power conversion efficiency, high accuracy and less power conversion loss.

Abstract: A process for machining axial blade slots in turbine disks used in jet engines is provided. The process broadly includes the steps of providing a turbine disk, forming a roughened slot having a plurality of joined rectangular areas in the turbine disk, and machining the roughened slot to a finished slot.

Abstract: A method for repairing a gas turbine engine component includes the steps of repairing one of a suction side or a pressure side of the component; repairing internal geometry of the component after one of the suction side or the pressure side of the component is repaired; and repairing the other of the suction side and the pressure side of the component after the internal geometry of the component is repaired, wherein a backing material is utilized to preserve the internal geometry of the component when the other of the suction side and the pressure side of the component is being repaired.