Abstract: A bone screw comprises a shaft defining a longitudinal axis and a minor diameter. The shaft including a core having an angled surface relative to the axis. The angled surface extending from the minor diameter adjacent a proximal portion of the shaft to a distal portion of the shaft, and a wall disposed about the angled surface. The wall including at least one thread having an external thread form. In some embodiments, systems, spinal constructs, surgical instruments and methods are disclosed.

Abstract: Systems and methods for efficiently managing bulk material are provided. The disclosure is directed to a portable support structure used to receive one or more portable containers of bulk material and output bulk material from the containers directly into the blender hopper. The portable support structure may include a frame for receiving and holding the one or more portable bulk material containers in an elevated position proximate the blender hopper, as well as one or more gravity feed outlets for routing the bulk material from the containers directly into the blender hopper. In some embodiments, the portable support structure may be transported to the well site on a trailer, unloaded from the trailer, and positioned proximate the blender unit. In other embodiments, the portable support structure may be a mobile support structure that is integrated into a trailer unit.

Abstract: Examples of the disclosure relate to systems and methods for reducing EMI in electrical systems. The electrical system can include a DC power source and a load component to receive direct-current (DC) electrical energy from the DC power source through a DC bus. The system also includes a filter network coupled to the DC bus between the DC power source and the load component to suppress electromagnetic interference (EMI) on the DC bus. The filter network includes a first capacitor and at least a second capacitor conductively coupled in series with one another between the positive voltage line and the ground line of the DC bus. Additionally, the capacitance of the first capacitor is different from the capacitance of the second capacitor. The capacitance values of the two capacitors are selected to provide a desired performance characteristic for suppressing EMI.

Abstract: An engine support truss assembly for aircraft includes a mounting plate having a front side and a back side opposite the front side, a truss structure mechanically coupled to the front side of the mounting plate, and a backup structure mechanically coupled to the back side of the mounting plate. The truss structure includes a plurality of structural members each including precipitation-hardened stainless steel. The backup structure is configured to provide mechanical support to the truss structure.

Abstract: A vehicle is described having an aerodynamically contoured lifting body comprising a plurality of cooperating body modules, wherein at least two of the modules are displaceably secured to each other. The modules include a thrust vectoring module operatively coupled to a propulsive mechanism. The thrust vectoring module is dynamically controlled to affect positioning and actuation of the propulsive mechanism to attain a desired positioning of the vehicle and at least one of a plurality of modes of operation thereof. The thrust vectoring module includes a nacelle module carrying the propulsive mechanism thereon and rotatably displaceable about one or more axes extending from the lifting body. The propulsive mechanism is positioned externally, internally, or in combinations thereof of the nacelle module and is tiltably displaceable about one or more axes of the nacelle module.

Abstract: A vehicle is described having an aerodynamically contoured lifting body comprising a plurality of cooperating body modules, wherein at least two of the modules are displaceably secured to each other. The modules include a thrust vectoring module operatively coupled to a propulsive mechanism. The thrust vectoring module is dynamically controlled to affect positioning and actuation of the propulsive mechanism to attain a desired positioning of the vehicle and at least one of a plurality of modes of operation thereof. The thrust vectoring module includes a nacelle module carrying the propulsive mechanism thereon and rotatably displaceable about one or more axes extending from the lifting body. The propulsive mechanism is positioned externally, internally, or in combinations thereof of the nacelle module and is tiltably displaceable about one or more axes of the nacelle module.

Abstract: Examples of the present disclosure relate to a device, method, and medium storing instructions for execution by a processor for estimating motor winding temperature. In an example, a device for estimating motor winding temperature includes a motor shaft and a motor winding. The device may include a current sense resistor to detect the current passing through a common wiring. The device may include a digital to analog converter to convert an input voltage to an analog signal for comparison to the voltage and to generate a differential voltage using the signals received from the current sense resistor and an initial voltage supplied to the motor winding. The device may include a processor to use the differential voltage and a current input value to calculate a resistance of the motor winding from comparison to a temperature conversion curve.

Abstract: A vehicle is described having an aerodynamically contoured lifting body comprising a plurality of cooperating body modules, wherein at least two of the modules are displaceably secured to each other. The modules include a thrust vectoring module operatively coupled to a propulsive mechanism. The thrust vectoring module is dynamically controlled to affect positioning and actuation of the propulsive mechanism to attain a desired positioning of the vehicle and at least one of a plurality of modes of operation thereof. The thrust vectoring module includes a nacelle module carrying the propulsive mechanism thereon and rotatably displaceable about one or more axes extending from the lifting body. The propulsive mechanism is positioned externally, internally, or in combinations thereof of the nacelle module and is tiltably displaceable about one or more axes of the nacelle module.

Abstract: A vehicle is described having an aerodynamically contoured lifting body comprising a plurality of cooperating body modules, wherein at least two of the modules are displaceably secured to each other. The modules include a trust vectoring module operatively coupled to a propulsive mechanism. The thrust vectoring module is dynamically controlled to affect positioning and actuation of the propulsive mechanism to attain a desired positioning of the vehicle and at least one of a plurality of modes of operation thereof. The thrust vectoring module includes a nacelle module carrying the propulsive mechanism thereon and rotatably displaceable about one or more axes extending from the lifting body. The propulsive mechanism is positioned externally, internally, or in combinations thereof of the nacelle module and is tiltably displaceable about one or more axes of the nacelle module.

Abstract: A vehicle is described haying an aerodynamically contoured lifting body comprising a plurality of cooperating body modules, wherein at least two of the modules are displaceably secured to each other. The modules include a trust vectoring module operatively coupled to a propulsive mechanism. The thrust vectoring module is dynamically controlled to affect positioning and actuation of the propulsive mechanism to attain a desired positioning of the vehicle and at least one of a plurality of modes of operation thereof. The thrust vectoring module includes a nacelle module carrying the propulsive mechanism thereon and rotatably displaceable about one or more axes extending from the lifting body. The propulsive mechanism is positioned externally, internally, or in combinations thereof of the nacelle module and is tiltably displaceable about one or more axes of the nacelle module.

Abstract: Examples of the present disclosure relate to a device, method, and medium storing instructions for execution by a processor for estimating motor winding temperature. In an example, a device for estimating motor winding temperature includes a motor shaft and a motor winding. The device may include a current sense resistor to detect the current passing through a common wiring. The device may include a digital to analog converter to convert an input voltage to an analog signal for comparison to the voltage and to generate a differential voltage using the signals received from the current sense resistor and an initial voltage supplied to the motor winding. The device may include a processor to use the differential voltage and a current input value to calculate a resistance of the motor winding from comparison to a temperature conversion curve.

Abstract: A luminaire includes a housing and a light engine. The light engine is detachably secured to the housing and includes a lens and an optical tray. The lens has a top surface, a bottom surface, and a peripheral edge. The top surface of the lens define a lens cavity. The optical tray is supported by the lens within the lens cavity.

Abstract: Instrumentation and methods are provided for knee arthroplasty which permit rotation of a distal femoral component in the sagittal plane. A guide provides for determination of both a femoral component size and rotation angle at which to install the implant in any specific patient.

Abstract: An electronics platform assembly for a light fixture includes an electronics platform with a least one tray. The electronics platform assembly is electronically autonomous and includes at least one electronic component mounted on at least one of an upper surface or a lower surface of the electronics platform. In various examples, the electronics platform has a profile such that the electronics platform is positionable in a fixture housing of a light fixture. In some aspects, an electronics platform for a light fixture includes an upper tray and a lower tray wherein at least one air gap is defined between a portion of the upper tray and a portion of the lower tray.

Abstract: Instrumentation and methods are provided for knee arthroplasty which permit rotation of a distal femoral component in the sagittal plane. A guide provides for determination of both a femoral component size and rotation angle at which to install the implant in any specific patient.

Abstract: A method for generating a 3D virtual body model of a person combined with a 3D garment image, and displaying the 3D virtual body model of the person combined with the 3D garment image on a screen of a computing device, the computing device including a sensor system, the method including the steps of; (a) generating the 3D virtual body model; (b) generating the 3D garment image for superimposing on the 3D virtual body model; (c ) superimposing the 3D garment image on the 3D virtual body model; (d) showing on the screen the 3D garment image superimposed on the 3D virtual body model; (e) detecting a position change using the sensor system, and (f) showing on the screen the 3D garment image superimposed on the 3D virtual body model modified in response to the position change detected using the sensor system.

Abstract: Instrumentation and methods are provided for knee arthroplasty which permit rotation of a distal femoral component in the sagittal plane. A guide provides for determination of both a femoral component size and rotation angle at which to install the implant in any specific patient.

Abstract: A method and apparatus for forming an aerosol. An apparatus may comprise an inner chamber, an outer chamber located around the inner chamber, and a wave generating device associated with the outer chamber. The inner chamber may be configured to hold a mixture that is to be converted into an aerosol within the inner chamber. The outer chamber may be configured to hold a fluid. The wave generating device may be configured to generate waves that propagate through the fluid into the mixture to stir the mixture.

Abstract: A computer-implemented garment size recommendation and fit analysis system in which a memory stores a virtual profile or model of an end-user and a processor is programmed to receive an end-user's selection of a garment and to then determine, using a garment fit algorithm, how well that garment will fit the end-user's profile or model, and in which the algorithm is trained on actual sales data.

Abstract: A luminaire includes a housing and a light engine. The light engine is detachably secured to the housing and includes a lens and an optical tray. The lens has a top surface, a bottom surface, and a peripheral edge. The top surface of the lens define a lens cavity. The optical tray is supported by the lens within the lens cavity.