Abstract: A quadrifilar helix antenna includes a cylindrical support extending along an antenna axis; a plurality of spiral conductors wrapped helically on the cylindrical support and along the antenna axis from a feed end to a remote end; a circular ground plane perpendicular to the antenna axis; and each of the spiral conductors including a plurality of gaps, with the gaps having capacitors between conducting portions of the spiral conductors. The capacitors are positioned higher than 60 mm above the ground plane, and capacitance value varies inversely with height. The antenna exhibits a DU(10°)=?20 dB or better at an operating frequency f0=1575 MHz. The diameter of the cylindrical support is 30+/?5 mm. A total height of the cylindrical support is 300+/?50 mm. A winding angle of the helix is variable.

Abstract: An automated method of isolating and analyzing an analyte using a form-locking gripping mechanism. An analytical system comprising consumables and a handler, wherein the handler and consumable interact with a form-locking gripping mechanism are also included.

Abstract: A corrugated pipe includes a corrugated pipe body circumscribing a hollow conduit and including alternating ribs and valleys extending along a longitudinal axis between a first end and a second end thereof. An electrically conductive wire is embedded in the corrugated pipe body, so that the wire spans adjacent ribs and valleys and extends substantially parallel to the longitudinal axis between the first and second ends.

Abstract: A system for providing vacuum to a moving element of a transport system, the system includes: a vacuum chamber on the moving element for storing vacuum; a vacuum source; a vacuum inlet provided on the vacuum chamber and for connection to the vacuum source; and a vacuum outlet in communication with the vacuum chamber and positioned on the moving element. The vacuum source may be provided on and travel with the moving element or on the transport system and periodically engage with the vacuum chamber. Where the vacuum source is provided on the moving element, a vacuum chamber may not be required. Further, the vacuum source may be driven by electrical energy and/or mechanical energy in various configurations.

Abstract: An engine control unit (ECU) includes a housing, a cover sealingly engaged with the housing, a circuit board disposed in the housing and support structure disposed in the housing and associated with an inner surface of the cover. At least one fastener couples both the support structure and the circuit board to the housing. An adhesive bonds at least portions of the support structure to portions of the inner surface of the cover. The support structure is constructed and arranged to limit deflection of the cover when internal pressure increase in the ECU.

Abstract: In one embodiment, an infrared (IR) sensor module includes an IR sensor assembly, including a substrate, a microbolometer array disposed on an upper surface of the substrate; and a cap disposed on the upper surface of the substrate and hermetically enclosing the microbolometer array. A base is disposed below the substrate, and a heat spreader having a generally planar portion is interposed between a lower surface of the substrate and an upper surface of the base. In some embodiments, the heat spreader can include a material having an anisotropic thermal conductivity, e.g., graphite.

Abstract: A device for preventing or extinguishing a fire in an electrochemical energy storage system comprising storage cells arranged in a storage housing, in particular lithium-ion cells, wherein a composition of expandable volume, containing a chemical compound for preventing or extinguishing a fire, is disposed with limited volume in one or a plurality of hollow spaces in or on the storage housing, and expansion of the volume of the composition can be activated by sensors.

Abstract: This disclosure relates to a system and method for calibrating sensors upon installation in a vehicle. The system includes a sensor set configured to generate output signals conveying vectors of acceleration of the vehicle. The system determines a three-dimensional orientation of the sensor set in relation to the vehicle. The system converts output signals from the sensor set into vectors of acceleration of the vehicle.

Abstract: The present invention provides a four-sided scanning system for vehicles that uses a combination of backscatter and transmission based X-ray imaging to achieve material discrimination. In one embodiment, the system is designed as a mobile, drive-through system, which can be folded and stowed in a truck and can be conveniently deployed at any place when required.

Abstract: Methods, systems, and computer-readable media for optimizing and enhancing delivery of application virtualization layers to client computing devices are described herein. In various embodiments, an application virtualization layer optimization service may identify a first and a second application virtualization layer to be delivered to one or more client computing devices. Each application virtualization layer may represent a package of one or more applications. A layer analysis service may analyze the first and second application virtualization layers to determine conflicts between the layers, using predetermined conflict analysis rules, and generate an actionable conflict resolution report based on the analysis.

Abstract: In one example, a method of protecting customer data in a networked system comprises collecting sensor data available at sensor nodes within a sensor network in communication with a service data platform over a network. The method includes encrypting the sensor data using a certified public key associated with a customer key-pair, the sensor data representing the customer data associated with sensitive identification information. The sensor data is cryptographically signed with a device private key. The method includes transporting the encrypted sensor data to the service data platform for storage, and decrypting at the service data platform, the encrypted sensor data using a private key sharing scheme that reconstructs the private key associated with the customer key-pair using a first share and a password encrypted second share, the first share assigned to the service data platform and the password encrypted second share assigned to a customer of the customer key-pair.

Abstract: A membrane filter module configured to treat a liquid contained in a tank at an ambient pressure. The module may have a header, with a bundle containing a plurality of substantially vertical hollow fiber membranes, wherein a lower end of each hollow fiber membrane is fixed in the header. The module may also have a gasification device adapted to periodically generate a gaseous bubble and configured to release the gaseous bubble within the bundle. The module may further have an enclosure that substantially surrounds the bundle that extends from a lower region to an upper region of the membrane bundle, wherein the enclosure is configured to retain the liquid introduced into the enclosure such that the liquid surrounds the membrane bundle. The gaseous bubble has a cross-sectional area that corresponds with a cross-sectional area of the enclosure, such that the cross-sectional area of the gaseous bubble occupies substantially the entire cross-sectional area of the enclosure as it flows along the bundle.

Abstract: The invention is directed to systems and methods for detailing a graphical 3D solid model displayed to a user. An example system includes a graphical user interface device (e.g., joystick, keyboard, stylus, roller ball, touch screen, tablet, etc.) configured to receive input from a user and transmit the input to a computer including a Central Processing Unit (CPU) and/or a Graphics Processing Unit (GPU), a memory for use with the computer, and a video display configured to graphically display the detailed 3D solid model to the user.

Abstract: An access control device including an electromagnetic lock module for selectively locking and unlocking a door in a door frame is provided. The access control device provides a lower profiled electromagnetic lock module to improve the aesthetics and functionality of the module, supports and integrates modern accessories such as CCTV, CCD cameras, passive motion detection with automatic background correction, digital notification display, automatic source voltage selection, door and lock status indicators, and ease of installation. The present invention further provides components and circuitry to enable connection of the electromagnetic control module to 12 or 24 volts DC or to an unfiltered rectified AC power supply.

Abstract: A method for performing Boolean operations using a computer to create geometric models from primary geometric objects and their facets, comprises calculating intersection lines of facets, splitting facets through which the intersection lines pass, determining each facet is visible or obscure, and regrouping the facets to form one or more geometric objects. This method does not utilize the most popular data structures CSG and B-REP in CAD/CG/Solid Modeling systems, but has the advantages of both CSG and B-REP: easy to implement and flexible. Additionally it is a united method for solid modeling and surface modeling systems, and it is able to generate variant and editable models.

Abstract: A static pressure seal-equipped motor (1) in which front and rear gaps are sealed by first and second static pressure seal portions (30, 40) disposed at first and second axial end portions (12a, 12c) of a motor rotating shaft (12) protruding toward front and rear. Sealing gas supplied to sealing gaps (32, 42) of the first and second static pressure seal portions (30, 40) is caused to diverge and flow to chemical liquid atmospheres (5a, 5b) and a motor chamber (18) or an encoder chamber (21) into the chemical liquid atmospheres (5a, 5b), and also prevent entry of chemical liquid-containing gas from the chemical liquid atmospheres (5a, 5b) into the motor chamber (18) or encoder chamber (21).

Abstract: A fuel cell system having a fuel cell stack, comprising an anode portion and a cathode portion, a source of hydrocarbon fuel, and a reformer unit having one or more cold-side, reforming passages, a fuel supply conduit, a reformate exhaust conduit, one or more hot-side channels, a cathode exhaust conduit, a cathode inlet conduit, one or more bypass channels having non-reforming passages for fuel to bypass the cold-side channels, and a flow controller for controlling the flowrate in the bypass channels, and methods for operating the same, is provided.

Abstract: An insert for use with a filter cap is provided. The insert comprises a cover portion including a top surface, a bottom surface, and a hexagonal perimeter defining a center, and an attachment portion extending from the bottom surface of the cover portion including a cylindrical annular wall centered on the cover portion.

Abstract: A system 300 for controlling vibratory motion in a vehicle steering wheel 20 prone to oscillate in a given direction due to extraneous inputs at one or more frequencies. The system 300 has a steering wheel 20 of the type exhibiting a vibratory motion along a defined axis at one or more frequencies, at least one sensor for sensing the acceleration of the steering wheel 20 along the defined axis and an active control mechanism responsive to the output of the at least one sensor. The sensor is an accelerometer having a movable first mass 70 and a solenoid coil 56 which when activated moves the mass 70 in a direction opposite to the motion of the steering wheel 20 and at the frequency of motion of the steering wheel 20.

Abstract: In disclosed techniques, datacenter power management uses AC and DC power sources. An AC power distribution topology within a datacenter provides one or more AC power sources to computing devices. A DC power distribution topology within the datacenter provides one or more DC power sources to computing devices. An uninterruptible power supply (UPS) is provisioned to a rack of computing devices, wherein the UPS is capable of receiving the one or more AC power sources using the AC power distribution topology and the one or more DC power sources using the DC power distribution topology. The one or more DC power sources are evaluated for energizing the DC power distribution topology. The one or more DC power sources are connected to the UPS which is provisioned to the rack of computing devices, based on the evaluating and a datacenter power requirement.