Abstract: An expansion apparatus for anchoring a downhole tool in a well is provided. The expansion apparatus has a wedge, an expansion wedge and a slip ring. The wedge and expansion wedge interact so as to radially expand wedge segments of the expansion wedge. The slip ring and expansion wedge interact so as to radially expand the slip ring to grippingly engage the wellbore or casing.

Abstract: An expansion tool for use in a wellbore includes an expansion surface made up of a concave portion, a convex portion and a straight section therebetween. The straight section is formed according to a formula Y=(1.26)(X)?0.13, where X is the wall thickness of a tubular and Y is the length of the straight section. The concave portion and the convex portion have an arc length extending the concave portion to a trailing edge of the tool. The concave and convex portions are radius-shaped. The arrangement of the shapes and their relation to each other reduces relatively high and low contact pressures and lessens the effects of axial bending in a tubular or a connection.

Abstract: A method includes in a single trip running a completion system having an internal bore into a wellbore that penetrates a formation zone, the completion system having an upper completion connected to a lower completion, setting an isolation packer forming a barrier above the formation zone, displacing the annulus fluid above the set isolation packer and then setting an upper packer thereby providing a completion barrier above the set isolation packer. The annulus fluid may be displaced prior to setting an upper completion packer.

Abstract: A trim manifold assembly is utilized to facilitate control of the control valve in a fire protection system. The trim manifold assembly utilizes a manifold block with numerous passageways to provide desired flow communication between various components, such as automatic and manual valves, check valves, inlet and exit ports, and sensor ports, by way of non-limiting example. The trim manifold assembly can be cost-effectively manufactured and may require less assembly steps. The trim manifold assembly can facilitate the assembly of a fire protection system and the attachment of the trim manifold assembly to the control valve for operation thereof.

Abstract: A system and method remotely mechanically controls the direction of fluid flow from a firefighting monitor. For example, a control handle mounted in the cabin of a vehicle can be operably mechanically coupled to a pivotable firefighting monitor mounted outside the vehicle (e.g., near the front) by an arrangement of cables. The handle and cables are arranged such that horizontal pivoting of the handle results in a corresponding horizontal pivot of the firefighting monitor, and vertical pivoting of the handle results in a corresponding vertical pivot of the firefighting monitor. The direct mechanical link between the handle and firefighting monitor ensures a rapid and reliable control over the monitor direction and orientation, while providing an intuitive and user friendly operational modality.

Abstract: A fire retardant delivery system for protection from wildfire is provided. The system includes a retardant tank for storing a fire retardant and a carrier tank for storing a carrier for the fire retardant. Alternatively, the system includes a fire retardant tank fluidly coupled with a carrier provided from a suitable source. The retardant tank and the carrier joined in a tank arrangement. A supply of a motive source is in fluid communication with the tank arrangement. An activation system disperses the supply of the motive source into the tank arrangement so that the fire retardant and the carrier are mixed into a fire retardant and carrier mixture after actuation of the activation system. At least one distribution nozzle delivers the fire retardant and carrier mixture to a desired area.

Abstract: Systems and methods for fire and smoke containment and extinguishing are described. Systems may include a fire and smoke containment and extinguishing apparatus including an open recess with one or more walls. The open recess may substantially prevent passage of fire, smoke and fumes. The apparatus may also include one or more seals for closing the open recess, and a fire extinguishing system. Methods for fire and smoke containment and extinguishment may include providing a fire and smoke containment and extinguishing system; inserting an item into the recess of the apparatus; closing the recess; and deploying the fire extinguishing system.

Abstract: Systems and methods for fire and smoke containment and extinguishing are described. Systems may include a fire and smoke containment and extinguishing apparatus including an open recess with one or more walls. The open recess may substantially prevent passage of fire, smoke and fumes. The apparatus may also include one or more seals for closing the open recess, and a fire extinguishing system. Methods for fire and smoke containment and extinguishment may include providing a fire and smoke containment and extinguishing system; inserting an item into the recess of the apparatus; closing the recess; and deploying the fire extinguishing system.

Abstract: Disclosed is a safety ladder for protecting a lineman or firefighter from a flash fire. The ladder has the appearance of a conventional ladder but includes interlocking plates positioned in between the rungs along the rails. Attached to the plates are fluid conduits that allow for the dispensing of a hydrated super absorbent polymer having superior fire suppression to be sprayed over an individual using the ladder should a fire erupt. The mounting plates have spray nozzles attached to the conduit located along the rails of the ladder so as to not infer with normal use of the ladder. A pressurized container of hydrated super absorbent polymer is coupled to the ladder. The hydrated super absorbent polymer is discharged through a solenoid valve which can be operated by the individual using the ladder with a button attached to the ladder or activated by a heat sensor attached to the ladder.

Abstract: Device for aerating a lawn, comprising a frame in which a shaft is rotatably mounted, characterized in that the shaft is provided with a plurality of mounting arms, wherein each mounting arm is provided with at least one removably mounted blade body, which blade body is provided on the mounting arm at a location such that disruptive elements in the lawn, such as moss and dead grass, are dislodged by the blade body during the rotation of the shaft.

Abstract: A drawbar apparatus for coupling an earth-working tool to a frame of an agricultural implement. The drawbar apparatus comprises a drawbar. The drawbar comprises a first portion coupled to the frame and a second portion. A joint comprises a first bracket comprising a protrusion. The protrusion defines a first aperture. The first bracket is coupled to one of the second portion of the drawbar and the earth-working tool. A second bracket defines a channel configured to receive the protrusion. The channel defines a second aperture on a first side of the channel and a third aperture on a second side of the channel. The second bracket is coupled to the other of the second portion of the drawbar and the earth-working tool. A fastener is positioned through the first aperture, the second aperture, and the third aperture. The protrusion is configured to move laterally in the channel.

Abstract: The present application is directed towards ring devices. The ring device includes a sheath and an elongated portion that is operably connected to the sheath.

Abstract: An agricultural implement having a rolling basket is disclosed. A stationary blade is disposed inside an inner chamber of the rolling basket and attached at ends of the rolling basket near the bearings that are connected to the rolling basket. The rolling basket rotates around its major axis via the bearings, while the blade is held stationary. The stationary blade has sleeves at the ends, and each of the sleeves is connected to a post of a support arm and locked into the posts via a pin.

Abstract: A power tool includes: a motor; a fan driven by the motor and defining an axis and a radial direction; and a housing for accommodating the motor and the fan therein, the housing including: a peripheral wall formed with a ventilation hole; and a grid partly covering the ventilation hole, the ventilation hole being positioned adjacent to the fan and having a shape defined by a circumferential surface, the grid including at least one elongated portion extending in a longitudinal direction perpendicular to the radial direction, and a distance from the axis of the fan to the circumferential surface is different from a distance from the axis of the fan to one elongated portion in the radial direction of the fan.

Abstract: The invention relates to a power drill, having a tool-clamping device that is coupled to a drive motor via a drive shaft and a torque clutch equipped with a transmission element. The torque clutch has a clutch-adjusting ring that cooperates at least indirectly with at least one clamping element that exerts a prestressing force on the transmission element. An end of the drive shaft oriented toward the tool-clamping device is guided in a bearing that axially fixes the drive shaft in a drilling or screwdriving position and axially releases the drive shaft in an impact drilling position. The bearing cooperates with a bearing holder, which moves the bearing axially via a user-actuatable actuating element. According to the invention, the actuating element is coupled to an adjusting element that axially fixes the transmission element and axially releases the bearing in the impact drilling position and axially releases the transmission element and axially fixes the bearing in the drilling or screwdriving position.

Abstract: A hammer assembly including a hammer housing and a work tool movably supported in the hammer housing is provided. A gas chamber is defined in the hammer housing and contains a compressible gas. An accumulator assembly includes an interior space. A barrier divides the interior space into a first interior portion containing a compressible gas and a second interior portion configured to receive a pressurized fluid. The barrier is configured to be movable in response to changing the amount of pressurized fluid in the second interior portion and such that movement of the barrier varies the volume of the first interior portion. The first interior portion is in communication with the gas chamber. A control valve assembly is configured for selectively placing the second interior portion of the accumulator assembly in communication with a pressurized fluid source.

Abstract: A power tool (1) and a method of producing such power tool capable of improving dust proof performance with respect to a circuit board (33) and a stator coil (31B), and capable of securing cooling performance to the circuit board. The power tool includes a brushless motor (3) having a hollow stator (31), a rotor (32) positioned in an internal space of the stator, and a motor driver circuit connected to the stator. The stator includes a coil (31B) electrically connected to the mo- for driver circuit. The coil is coated with a coating agent (31D), and the motor driver circuit is covered with an insulation cover member (33D).

Abstract: A pneumatic hand tool comprises a housing, a pneumatic motor held in the housing and an airflow regulation valve to control spinning direction of the pneumatic motor. The housing includes a handgrip and a holding portion connected to the handgrip. The handgrip has an airflow passage to receive driving airflow. The holding portion has a housing chamber to house the pneumatic motor and airflow regulation valve, and also has a first wall opposing the handgrip and a flow channeling chamber integrally extended from the first wall towards the housing chamber. The flow channeling chamber has a first directing vent located on the first wall and communicated with the airflow passage to receive the driving airflow and a second directing vent communicated with the airflow regulation valve to output the driving airflow to drive the pneumatic motor.

Abstract: A shielded electrical cable includes one or more conductor sets extending along a length of the cable and being spaced apart from each other along a width of the cable. Each conductor set has one or more conductors having a size no greater than 24 AWG and each conductor set has an insertion loss of less than about ?20 dB/meter over a frequency range of 0 to 20 GHz. First and second shielding films are disposed on opposite sides of the cable, the first and second films including cover portions and pinched portions arranged such that, in transverse cross section, the cover portions of the first and second films in combination substantially surround each conductor set, and the pinched portions of the first and second films in combination form pinched portions of the cable on each side of each conductor.

Abstract: The bus bar includes a first bus bar layer formed of a first generally uniform thickness of a first bus bar conductor; a first dielectric layer overlying a top surface of the first bus bar layer; and a second bus bar layer formed of a second generally uniform thickness of a second bus bar conductor overlying a top surface of the first dielectric layer and the top surface of the first bus bar layer wherein: the first bus bar layer includes a first via for receipt of a first electrical lead of an electrical component and a second via for receipt of a second electrical lead of the electrical component and wherein: the first dielectric layer and the second bus bar layer each include a via aligned with the first via wherein the first electrical lead is extendable from beneath the first bus bar layer through the first dielectric layer and through the second bus bar layer.

Abstract: A power connector includes a first lug having a securing mechanism to secure a first conductor to the first lug, a second lug having a securing mechanism to secure a second conductor to the second lug, wherein the first lug and the second lug include interlocking features that enable the first and second lugs to be mechanically and electrically coupled and decoupled, and a cold-shrink insulating tube secured over the interlocked first lug and the second lug and sealed against a portion the first conductor and a portion of the second conductor. For applications at higher voltage levels, unique cold-shrink voltage stress control features may be included.

Abstract: A cable assembly includes a plurality of wires. Each wire has a first end, intermediate section, and a second end. The intermediate sections of the respective wires are detached from each other. A conductive shield surrounds the respective intermediate sections of the plurality of wires. Each wire includes a conductor, an insulating layer that surrounds the conductor, and a conductive coating formed on an outside surface of the insulating layer.

Abstract: A cable includes a center conductor. An insulating layer surrounds the center conductor. A sparse shield partially surrounds the insulating layer. An insulating jacket covers the sparse shield and the remainder of the cable.

Abstract: A multi-core cable includes a plurality of small diameter coaxial electronic wires arranged on the same circumference, a tape wrapping formed with an electrically conductive resin tape which is wound on the periphery of the plurality of small diameter coaxial electronic wires, and a shield layer covering the periphery of the plurality of small diameter coaxial electronic wires through the tape wrapping.

Abstract: A high-speed transmission cable conductor includes a core material includes mainly copper, and a surface treated layer formed around a surface of the core material. The surface treated layer includes an amorphous layer including a metal element having a higher affinity for oxygen than the copper, and oxygen.

Abstract: A plate-like electric conductor for a busbar having excellent electric conductivity, strength and bendability, and a busbar formed therefrom. The electric conductor formed from an aluminum alloy plate having a thickness of 0.5-12 mm is obtained by subjecting an aluminum alloy consisting essentially of Fe: 0.05-2.0%; Si: 0.05-0.6%; Cu: 0.01-0.35%; by mass, and the balance comprising Al and inevitable impurities to a hot rolling process. The electric conductor has the electric conductivity of 55-60% IACS, tensile strength not lower than 170 MPa and yield strength not lower than 155 MPa, in the as-rolled state at the room temperature, and does not suffer from cracking upon bending by 90° with an inner bending radius equal to its thickness, while having the electric conductivity of 55-60% IACS, tensile strength not lower than 160 MPa, and yield strength not lower than 145 MPa, after a heat treatment at 140-160° C. for not longer than 1,000 hours.

Abstract: An electrode for transcutaneously transmitting electronic signals with a first layer that is designed to retain a liquid, also at least as a result of a capillary force, and an electrically conductive polymer layer, which contains conductive particles. The first layer is partially permeated by the polymer layer such that it protrudes out of said polymer layer on at least one first side. The first layer is designed to retain a liquid, also at least as a result of a capillary force, and the electrode includes an electrode contacting layer which is partially embedded in the polymer layer, such that it protrudes out of the polymer layer on a second side opposite the first side.

Abstract: A clamp mechanism for a power distribution line sensor including a drive rod having a first rod portion with a spiral thread formed in a first-handed thread direction, a second rod portion with a spiral thread formed in an opposite-handed thread direction, and a coupling end portion. The mechanism also includes a first clamp portion having a first drive block engaged with the first rod portion and a first clamp arm having a pin-in-slot connection to that drive block, as well as a second clamp portion having a second drive block engaged with the second rod portion and a second clamp arm having a pin-in-slot connection to that drive block. The first clamp arm and the second clamp arm are secured to each other, yet rotatable with respect to each other, at a proximal end of each respective clamp arm. A clamp block may function as part of the securement.

Abstract: A cable strain relief holder (1) for a spirally extending cable (2) is disclosed. In order to be able to fix a cable in a simple manner for the purpose of strain relief, the holder comprises a pillar element (3) which extends in an axial direction (a) and has an outer circumferential surface (4), and at least two retaining elements (5, 6), which are disposed extending radially (r) on the outer circumferential surface (4), wherein the at least two retaining elements (5, 6) are disposed at different axial positions and at different circumferential positions of the pillar element (3).

Abstract: This intermediate grasping tool of a charging cable is mounted on a charging cable that extends from a charging stand, is provided with a cylindrical part which is hung on a hook provided on the charging stand and which is formed such that the charging cable passes through said cylindrical part, and is also provided with a gripping part which extends from the cylindrical part and is grasped. By means of such a configuration, charging operations can be performed while grasping the intermediate grasping tool of the charging cable with the hand that is not grasping the charging connector. In this way, the operability during charging can be improved.

Abstract: A pattern of micro-wires forming an electrical conductor includes a plurality of spaced-apart first micro-wires extending in a first direction. A plurality of spaced-apart second micro-wires extends in a second direction different from the first direction. Each second micro-wire is electrically connected to at least two first micro-wires and at least one second micro-wire has a width less than at least one of the widths of the first micro-wires.

Abstract: A multilayer wiring substrate includes a substrate main body and a plurality of wiring lines. The substrate main body includes first and second main surfaces. The plurality of wiring lines extend from the first main surface toward the second main surface side in the substrate main body. The substrate main body includes a plurality of insulator layers laminated on each other. The wiring lines each include via conductors separately provided in the plurality of insulator layers. In at least one of the plurality of wiring lines, a diameter of the via conductor provided in a first insulator layer defining the first main surface of the substrate main body is smaller than a diameter of the via conductor provided in at least one of the plurality of insulator layers other than the first insulator layer.

Abstract: Micro-wires are arranged to form an electrical conductor connected to an electrode structure. The electrical conductor includes a plurality of spaced-apart first micro-wires extending in a first direction, wherein one of the first micro-wires is a connection micro-wire. A plurality of spaced-apart second micro-wires extends in a second direction different from the first direction. At least two adjacent second micro-wires are spaced apart by a distance greater than the spacing between at least two adjacent first micro-wires. Each second micro-wire is electrically connected to at least two first micro-wires. The electrode structure includes a plurality of electrically connected third micro-wires electrically connected to the connection micro-wire at spaced-apart connection locations and at least some of the adjacent connection locations are separated by a distance greater than any of the distances separating the second micro-wires.

Abstract: An electrical conductor includes a substrate having micro-channels formed in the substrate. A plurality of spaced-apart first micro-wires is located on or in the micro-channels, the first micro-wires extending across the substrate in a first direction. A plurality of spaced-apart second micro-wires is located on or in the micro-channels, the second micro-wires extending across the substrate in a second direction different from the first direction. Each second micro-wire is electrically connected to at least two first micro-wires and at least one of the second micro-wires has a width less than the width of at least one of the first micro-wires.

Abstract: A conductive micro-wire structure includes a substrate. A plurality of spaced-apart electrically connected micro-wires is formed on or in the substrate forming the conductive micro-wire structure. The conductive micro-wire structure has a transparency of less than 75% and greater than 0%.

Abstract: A flexible electronic device of the disclosure may include a component portion and at least one folded portion connected to the component portion, wherein the flexible electronic device has a plurality of flexed lines located on the single folded portion and a plurality of stress relief holes, the stress relief holes are separated from each other, and at least a part of the stress relief holes is located on at least one of the flexed lines.

Abstract: A wiring board according to the present invention has an insulating board 1 including a land conductor layer 14 on a surface thereof; an insulating layer 5 formed on the insulating board 1; a via hole 6 extending from an upper surface of the insulating layer 5 to the land conductor layer 14; a via conductor 7 formed in the via hole 6 and formed of a plated metal layer; and a wiring conductor 3b formed on the via conductor 7 and electrically connected to the via conductor 7, wherein the via hole 6 is provided with a protruding portion 8a formed of copper foil and protruding from a periphery of an opening of the via hole 6 toward a center of the opening.

Abstract: A multilayer ceramic capacitor includes: a ceramic body having laminated dielectric layers having an average thickness of 0.2-2.0 ?m; an active layer including first and second internal electrodes alternately exposed through end surfaces of the ceramic body having the dielectric layer interposed therebetween and contributing to capacitance formation; upper and lower cover layers respectively formed above and below the active layer, the lower cover layer being thicker than the upper cover layer; first and second external electrodes covering the end surfaces of the ceramic body, wherein a bottommost internal electrode adjacent to the lower cover layer has an oxide layer formed on at least one of top and bottom surfaces thereof, and when lengths and thicknesses of the bottommost internal electrode and the oxide layer are denoted by ‘Le,’ ‘te’ and ‘Lo,’ ‘to’, respectively, in a cross section of the ceramic body taken in length-thickness direction, 50%<Lo/Le×100 and 30%<to/te×100<80% are satisfied.

Abstract: There are provided multilayer ceramic capacitor, a manufacturing method therefor, a circuit board having a multilayer ceramic capacitor embedded therein, and a polishing device for a multilayer ceramic capacitor.

Abstract: There are provided multilayer ceramic capacitor, a manufacturing method therefor, a circuit board having a multilayer ceramic capacitor embedded therein, and a polishing device for a multilayer ceramic capacitor.

Abstract: An over-current protection device, which can be surface-mounted and stand upright on a circuit board and withstand 60 to 600 volts, comprises a PTC device, first and second electrodes. The PTC device is a laminated structure comprising first and second conductive layers and a PTC material layer. The first and second conductive layers are in physical contact with first and second planar surfaces of the PTC material layer, respectively. The first electrode is disposed on the first conductive layer. The second electrode is disposed on the second conductive layer and is separated from the first electrode. The first electrode, the second electrode and the PTC device commonly form an end surface which is substantially perpendicular to the first and second planar surfaces. The first electrode and the second electrode at the end surface serve as interfaces electrically connecting to the circuit board.

Abstract: There is provided a wiring board. The wiring board includes: a first insulating layer; a secondary battery on one surface of the first insulating layer; a second insulating layer formed on the secondary battery; a third insulating layer covering the second insulating layer; a first wiring layer on one surface of the third insulating layer; and a via electrically connecting the first wiring layer to an electrode of the secondary battery. A rigidity of the second insulating layer is lower than those of the first and third insulating layers.

Abstract: It is impossible to make a wiring board for noise suppression thinner, therefore, a wiring board according to an exemplary aspect of the invention includes a first wiring layer, an intermediate layer, and a second wiring layer; wherein the second wiring layer, the intermediate layer, and the first wiring layer are stacked in this order; the first wiring layer comprises a first wiring and a second wiring separated from the first wiring; the intermediate layer comprises a first via and a second via; the second wiring layer comprises a third wiring and a non-wiring portion where wirings are not formed; the first wiring is separated from the third wiring; the first via and the second via electrically connect the second wiring to the third wiring respectively; the non-wiring portion is located at a portion corresponding to an area between the first via and the second via; and the first wiring and the second wiring cross over the non-wiring portion.

Abstract: The formation of substrate electrical connections on thin film heads is one source of resulting surface topography. In accordance with one implementation, such topography can be reduced by a process that includes depositing a first layer of basecoat, creating electrical recessed vias in one or more plating processes, and depositing a second layer of basecoat on top of the electrical vias and on top of the first layer of basecoat. In one implementation, the first and second layers of basecoat have a combined height that is substantially equal to the height of the electrical recessed vias. In one implementation, the resulting topographical features are small enough that they can be planarized without creating a lack of uniformity in the total basecoat thickness across the wafer.

Abstract: A printed circuit board (PCB) includes a ground layer, a first layer, a second layer, a connector footprint, and a pair of differential signal lines. The connector footprint comprises first and second bonding pads. The PCB defines a first signal via in a central portion of a space bound by the first bonding pad, and a second signal via in a central portion of a space bound by the second bonding pad. A number of first ground vias on the first bonding pad and a number of second ground vias on the second bonding pad are electrically connected to the ground layer. First annular slots surrounding corresponding first ground via are defined in the ground layer. Second annular slots surrounding corresponding second ground vias are defined in the ground layer. Connection slots are defined in the ground layer and communicate between the first annular slots and the second annular slots.

Abstract: In accordance with the various embodiments disclosed herein, an improved electrical connector footprints, such as printed circuit boards (printed circuit board), is described comprising one or more of, for example, a first linear array containing at least a first anti-pad extending along a first direction, a first electrical signal trace extending along the first direction and spaced from the first linear array along a second direction that is perpendicular to the first direction, a group of ground isolation vias containing at least one electrically conductive ground via arranged along a line extending parallel to the first direction and spaced from the first electrical signal trace along the second direction, and a second linear array containing at least a second anti-pad extending along the first direction spaced from the group of ground isolation vias along the second direction.

Abstract: In accordance with the various embodiments disclosed herein, electrical connector footprints, such as printed circuit boards, is described comprising one or more of signal traces that each include a first section that extends parallel to the linear array direction and a second section extends in a direction that is different than the linear array direction.

Abstract: An apparatus for transmitting electrical signals is disclosed. The apparatus includes a substrate and a twisted pair of conductors located on the substrate. The twisted pair of conductors has a first layer comprising conductive material, a second layer comprising nonconductive material, and a third player comprising conductive material. The first layer has a plurality of segments separated by a plurality of gaps. The second layer is positioned in said gaps and electrically insulates a portion of the segments positioned within the gaps. The third layer is positioned over the second layer. The third layer is configured to electrically connects an end of one segment to an end of another segment. The twisted pair of conductors formed by the three dimensional structure comprises two electrically isolated conductors twisted about each other.

Abstract: According to various aspects, exemplary embodiments are disclosed of shielding structures including one or more frequency selective surfaces, which may be used for attenuating, reflecting, and/or redirecting electromagnetic signals through open structures. Also disclosed are methods of using one or more frequency selective surfaces for attenuating, reflecting, and/or redirecting electromagnetic signals through open structures.

Abstract: According to various aspects, exemplary embodiments include one or more frequency selective surfaces, which may be used for attenuating, reflecting, and/or redirecting electromagnetic signals. Also disclosed are methods of using one or more frequency selective surfaces for attenuating, reflecting, and/or redirecting electromagnetic signals.