Abstract: A centralizer for centrally locating measuring/testing equipment within the interior of a pipeline while traveling through the pipeline includes a first flange structure and a second flange structure nominally spaced from the first flange structure along the direction of travel of the centralizer. A plurality of radially outwardly curved loops extending between the first and second flange structures to form curved arches that define an outwardly convex outer surface. One or more ridges, or a single or a plurality of wheels, extending along the loops to project outwardly of the outer surfaces of the arches to extend above the remainder of the outer surface of the arches to bear against the interior of the pipeline.

Abstract: A diode semiconductor structure is described. In one example, a diode device includes a substrate, a layer of first semiconductor material of a first doping type, a layer of intrinsic semiconductor material, and a layer of second semiconductor material of a second doping type. The diode device also includes a metal contact formed on the layer of first semiconductor material and a metal via formed from a backside of the substrate, through the substrate, and through the layer of first semiconductor material, where the metal via contacts a bottom surface of the metal contact on the layer of first semiconductor material. In this configuration, a direct electrical connection can be achieved between the backside of the substrate and the metal contact on the layer of first semiconductor material without the need for an additional metal connection, such as a metal air bridge, to the metal contact.

Abstract: Systems, methods and apparatus for wireless charging are disclosed. A charging device has a plurality of charging cells provided on a charging surface, a charging circuit and a controller. The controller may be configured to cause the charging circuit to send pings from a plurality of charging coils using an analog ping process to scan for one or more ping responses from a receiving device in proximity to the charging surface. A subset of charging coils of the plurality of charging coils that received ping responses from the receiving device in response to the sending of pings with the analog process may be determined. Subsequently, the controller then sends pings from the subset of charging coils using a digital ping process. A combination of one or more charging coils of the subset of charging coils may then be selected based on ping responses from the receiving device.

Abstract: Systems, methods and apparatus for wireless charging are disclosed. A charging device has a plurality of charging cells provided on a charging surface, a charging circuit and a controller. The controller may be configured detect the presence of a foreign object in proximity to at least one charging coil of a plurality of charging coils in the charging device that is selected for supplying charging energy to a receiving device. Additionally, the controller may be configured to determine whether one or more other charging coils is capable of supplying charging energy to the receiving device, and determine, for each of the one or more other charging coils, whether the foreign object is in proximity thereto. Further, the controller may be configured to select at least one of the one or more other charging coils not in proximity to the foreign object for supplying charging energy to the receiving device.

Abstract: An example system comprises an electric machine including a stator and a rotor, a cooling system configured to supply a cooling fluid to cool the electric machine, and a stator tube configured to contain the cooling fluid within a stator portion of the electric machine and prevent the cooling fluid from contacting the rotor.

Abstract: Various aspects of the disclosure are directed to providing structures that define a radial gap between an impeller and a pump casing element that facilitates minimizing the movement of fluid into the radial gap in a manner that lessens the impact, and consequent degradation, of the inner surface of the pump casing element by movement of abrasive particulates out of the radial gap, which is accomplished by providing a suction inlet arrangement of an impeller and pump casing element that are angled from the eye of the impeller to the outer periphery of the impeller in a direction away from the back shroud or drive side of the impeller and toward a first end of the pump casing in which fluid is introduced into the pump casing.

Abstract: Aspects of the disclosure relate to methods, apparatus, and systems for replacing a drive assembly of a turntable load station. A system includes a structural pier, a track formed on a top surface of the structural pier, a turntable, a bogie assembly detachably coupled to an underside of the turntable, the bogie assembly including a wheeled drive assembly, a swap rail mounted to a radial side surface of the structural pier, and a translating cartridge movably mounted to the swap rail in a serviceable orientation. The translating cartridge is configured to move along the radial side surface of the structural pier via the swap rail while in the serviceable orientation to an unloading position underneath the bogie assembly, pivot from the serviceable orientation to an upright functional orientation to couple with the wheeled drive assembly, and decouple the wheeled drive assembly from the bogie assembly.

Abstract: A diode structure and a method of fabrication of the diode structure is described. In one example, the diode structure is a PIN diode structure and includes an N-type layer formed on a substrate, an intrinsic layer formed on the N-type layer, and a P-type layer formed on the intrinsic layer. The P-type layer forms an anode of the diode structure, and the anode is formed as a quadrilateral-shaped anode. According to the embodiments, a top surface of the anode can be formed with one or more straight segments, such as a quadrilateral-shaped anode, to reduce at least one of a thermal resistance or an electrical on-resistance. These changes, among others, can improve the overall power handling capability of the PIN diode structure.

Abstract: Aspects of the disclosure relate to a method, apparatus, and system for restraining a passenger in a ride vehicle. The system includes a ride seat and a restraint system configured to restrain the passenger against the ride seat. The restraint system includes a crossbar for placing against the passenger, a support bar having a first support bar end coupled to the crossbar and a second support bar end rotatably coupled to a pivot mounted to an upper-rear portion of the ride seat, and a flap coupled to the support bar. The flap is configured to insert into, or extract from, a slot formed within a seat side structure when the support bar is rotated about the pivot and indicate whether the crossbar has attained a minimum closed position for restraining the passenger based on a position of a marking on the flap relative to the slot.

Abstract: A novel implement holder is provided. In particular, the present invention provides a utensil holder that allows for a neat and clean work area without unsightly spills from liquids. The invention is particularly suited to kitchens and coffee shops, where there is a need to collect drippings from spoons and other stirring utensils without inadvertently contaminating the stirring utensil and the subject liquids from contact contamination. The invention also provides for absorbent sheets that can be individually dispensed below a suspended utensil.

Abstract: The invention relates to a delivery system, device and method for delivering biomaterials for fracture fixation (including augmented fixation), in particular, for delivery of bone cements. The mixing system ensures the biomaterial only commences setting upon extrusion from the mixer, cannula or during injection through an appropriate internal fracture fixation device, allowing for rapid closing by the surgeon. The system also permits the surgeon to cease injecting the cement for an extended period of time before continuing the injection in another area using the same cartridge, through the simple removal of one mixer and attaching another in its place. The invention also provides a method of delivery of biomaterials to a desired implantation site.

Abstract: A first assembly can be configured to exert mechanical control forces on a second assembly through a tensioned and inelastic cable including steel. An electrical power source can be in electric communication with a first portion of the cable. An electrical power consumer can be in electric communication with a second portion of the cable. The cable can be a wire rope.

Abstract: A tiltrotor aircraft includes a propulsion system with a fixed engine and a rotatable proprotor. The engine is located on the top surface of the wing of the tiltrotor aircraft, and the rotatable proprotor assembly is also mounted on the top surface of the wing. The engine and proprotor assembly are connected via a series of one or more gearboxes that route the engine output from the engine to the proprotor.

Abstract: A diode semiconductor structure is described. In one example, a diode device includes a substrate, a layer of first semiconductor material of a first doping type, a layer of intrinsic semiconductor material, and a layer of second semiconductor material of a second doping type. The diode device also includes a metal contact formed on the layer of first semiconductor material and a metal via formed from a backside of the substrate, through the substrate, and through the layer of first semiconductor material, where the metal via contacts a bottom surface of the metal contact on the layer of first semiconductor material. In this configuration, a direct electrical connection can be achieved between the backside of the substrate and the metal contact on the layer of first semiconductor material without the need for an additional metal connection, such as a metal air bridge, to the metal contact.

Abstract: A control unit of an electrical system is described. The control unit causes some of the switches in a power converter of the electrical system to not be shut down and not conducting upon detection of a fault current caused by a line-to-line fault. Instead, the control unit causes at least one of the switches to be switched-on and conducting to allow the some of the fault current to flow through the at least one switch, before activating a protection device that creates an open circuit and breaks the fault.

Abstract: A power connector spacer system includes a non-conducting body for insertion into a receptacle of a male power connector in place of a corresponding female power connector. The body may include a latch dimensioned and configured to detachable couple with an interior surface of the receptacle of the male power connector. The body may also include a flange dimensioned to abut a rim of the receptacle, and non-conducting passageways extending through the body from the proximate end to a distal end. Each of the passageways may be dimensioned to receive and isolate one of a plurality of power pins included in the receptacle of the male power connector, and a respective end of each of the power pins may be disposed in respective passageways away from the distal end of the body for isolated detection of high voltage electric power by contact with a meter probe in respective the passageways.

Abstract: A method of drilling a wellbore system, including determining a conductive formation layer from a plurality of formation layers having a first well extending therethrough, the first well having a first work string therein, the first work string including a device, placing a second well at a distance from the first well, the distance selected to allow communication of an electrical signal between the first well and the second well through the conductive formation layer based on a resistivity of the electrically conductive formation layer, disposing a second work string in the second well, and communicating the electrical signal from the second work string to the first work string through the electrically conductive formation layer to operate the device.

Abstract: An example system includes a first plurality of nacelles located on a first side of an aircraft, wherein each nacelle of the first plurality of nacelles includes an electric motor coupled to a propulsor, wherein an outboard nacelle of the first plurality of nacelles includes an electrical energy storage system (ESS) coupled to a first electrical bus; and a second plurality of nacelles located on a second side of the aircraft, wherein each nacelle of the second plurality of nacelles includes an electric motor coupled to a propulsor, wherein an outboard nacelle of the second plurality of nacelles includes an ESS coupled to a second electrical bus.

Abstract: An improved electrical power conversion system converts a high voltage (HV) from a HV electrical power supply to a low voltage. The electrical power conversion system includes at least one power converter and at least one RC network connected in series. The RC network includes a plurality of resistive components and a plurality of capacitive components electrically connected in series. The at least one RC network and at least one power converter are arranged to be connected across a line potential of the HV electrical power supply.