Patents Issued in January 29, 2015
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Publication number: 20150027708Abstract: In one aspect an apparatus for performing a downhole operation is disclosed that in one non-limiting embodiment may include a downhole tool that contains a hydraulically-operated motor and a flow control device that in one position allows a fluid to pass through the motor while preventing the fluid to flow to the motor and in another position allows the fluid to flow to the motor to operate the motor.Type: ApplicationFiled: July 24, 2013Publication date: January 29, 2015Applicant: BAKER HUGHES INCORPORATEDInventor: Jacob R. Honekamp
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Publication number: 20150027709Abstract: A non-ballistic tubular perforating system includes a tubular having a wall with perforations therethrough and at least one radially extendable member positioned radially of the perforations configured to displace cement radially of the tubular and configured to radially extend prior to pumping of the cement.Type: ApplicationFiled: July 24, 2013Publication date: January 29, 2015Applicant: Baker Hughes IncorporatedInventors: Bennett M. Richard, Edward J. O'Malley
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Publication number: 20150027710Abstract: The present invention provides compositions including poly(alkenylamide)-polysaccharide hydrogels for treating a subterranean formation and methods of using the same. In various embodiments, the present invention provides a method of treating a subterranean formation, including obtaining or providing a composition including a poly(alkenylamide)-polysaccharide hydrogel. The method also includes placing the composition in a subterranean formation. In some embodiments, the poly(alkenylamide)-polysaccharide hydrogel is a polyacrylamide-alginate hydrogel.Type: ApplicationFiled: July 23, 2013Publication date: January 29, 2015Applicant: Halliburton Energy Services, Inc.Inventor: Matthew Lynn Miller
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Publication number: 20150027711Abstract: A system for disrupting convective heat flow within a body of hydrocarbonaceous material includes a body of hydrocarbonaceous material which is sufficiently porous that convective currents can form in void spaces of the material. A bulk fluid occupies these void spaces and the bulk fluid is heated by a heat source, causing the bulk fluid to flow through the void spaces in convective currents. A convective barrier is placed in an upper portion of the body of hydrocarbonaceous material. This convective barrier is configured to disrupt convective flow of the bulk fluid.Type: ApplicationFiled: July 28, 2014Publication date: January 29, 2015Inventor: James W. Patten
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Publication number: 20150027712Abstract: Apparatus for pumping fluid into an underground well bore at a well site and being transportable between multiple well sites includes a chassis configured to be transportable between well sites, first and second fluid pumps disposed upon the chassis and configured to pump pressurized fluid into the well bore at the same time and an electric motor disposed upon the chassis and configured to concurrently drive both pumps.Type: ApplicationFiled: July 23, 2013Publication date: January 29, 2015Applicant: Baker Hughes IncorporatedInventors: Bruce A Vicknair, Blake Burnette
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Publication number: 20150027713Abstract: A torque resistant casing scraper for attachment to a drillstring is comprised of a one piece tool body having rotationally unrestrained two-piece blade carriers with hardened diamond-shaped cutting blades and rotationally unrestrained two-piece axial centralizers. Adjoining blade carriers and centralizers rotate independently of the drillstring and the blade carriers interlocked to prevent relative rotation between the blade carriers and to index, or orient the cutting blades as desired along the longitudinal axis of the casing scraper. The diamond-shaped cutting blades and the indexed blade carriers allow both right-handed and left-handed drillstring rotation without reducing utility or effectiveness of the scraper. The casing scraper is particularly effective for deep, near-horizontal wellbores.Type: ApplicationFiled: July 21, 2014Publication date: January 29, 2015Inventor: Dennis Joel Penisson
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Publication number: 20150027714Abstract: The present invention provides systems and methods for protecting the lower main wellbore of whipstocks and completion deflectors from debris accumulation. A well system subassembly includes a deflector tool arranged within a casing string and defining a deflector surface and an inner bore extending longitudinally from the deflector surface and one or more seal stacks disposed about the inner bore of the deflector tool. A wellbore barrier device is disposed about the inner bore uphole from the one or more seal stacks and is expandable from an unswelled configuration to a swelled configuration. When the wellbore barrier device is in the swelled configuration, it protects the one or more seal stacks from debris generated from milling and/or drilling operations.Type: ApplicationFiled: February 16, 2012Publication date: January 29, 2015Inventor: Joseph DeWitt Parlin
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Publication number: 20150027715Abstract: The flow control device includes a flow path, a compensation chamber and a regulator assembly defining a first surface exposed to the flow path and an opposing second surface which is exposed to the compensation chamber. A drive arrangement is provided for moving the regulator assembly to vary the flow path. Fluid flowing through the flow path establishes a pressure which varies across the first surface of the regulator assembly. The compensation chamber is in pressure communication with a localised region of the first surface which is selected to establish a compensation chamber pressure which acts against the second surface of the regulator assembly to bias the regulator assembly in a desired direction. The first surface of the regulator assembly may define a profile configured to minimise the variation in pressure applied over the first surface by action of fluid flowing through the flow path.Type: ApplicationFiled: February 20, 2013Publication date: January 29, 2015Inventors: Bard Tinnen, Havar Sortveit
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Publication number: 20150027716Abstract: An inflow control device for a well screen comprising: a body having an internal bore, said body mountable in line with a base pipe of said well screen; a plurality of body apertures in a wall of said body, said apertures spaced longitudinally and circumferentially from each other, about said wall; a slide member in sliding engagement with an inner surface of said body, said slide member having a plurality of slide apertures; wherein the inflow control device is arranged to selectively and progressively increase the aperture area through the body through sliding the slide member, so as to align at least one of the body apertures with at least one of the slide apertures.Type: ApplicationFiled: February 27, 2013Publication date: January 29, 2015Inventors: Graeme Dowsett, Anush Rajaram, Eddie Yap, Kim Chiok Tay
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Publication number: 20150027717Abstract: An apparatus, system and process for deployment of subsea drilling equipment through a moon pool of a drilling vessel is disclosed. The drilling equipment may include a subsea mudlift pump (MLP) that is configured to be deployed below the surface of the ocean and is adapted for conducting dual gradient drilling (DGD) operations. In the apparatus and process, the MLP may be suspended temporarily aboard the vessel by a holding mechanism. The MLP may be combined first with a lower marine riser package (LMRP) prior to suspension of the MLP and/or MLP/LMRP aboard the drilling vessel. An equipment combination, comprising at least a MLP and a LMRP, may be with a BOP, the mating occurring at a position below the surface of the ocean. In one aspect, the BOP may be separately deployed into the ocean, and then subsequently mated subsea with the LMRP and/or a MLP/LMRP combined equipment package.Type: ApplicationFiled: July 23, 2014Publication date: January 29, 2015Applicant: Chevron U.S.A. Inc.Inventors: Kai-tung Ma, James David Dowell, Dave Smith, Kenneth L. Smith
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Publication number: 20150027718Abstract: Provided is a system, including a first module (35b) configured to process fluid from a well, wherein the first module (35b) has an extension conduit (5b), having a connection that is coupleable to a central mandrel of a manifold (5), a processing device arranged in a region surrounding the extension conduit (5b), a processing input (18a), and a processing output (19a). Further provided is a method of processing well fluids, including diverting fluids from a bore of a manifold (1) to a processing module (35b), wherein the processing module (35b) is coupled to a mandrel of the manifold (5), processing the fluids in the processing module (35b), and returning the fluids to a flowpath (19a) for recovery.Type: ApplicationFiled: July 14, 2014Publication date: January 29, 2015Applicant: CAMERON INTERNATIONAL CORPORATIONInventors: Ian Donald, John Reid
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Publication number: 20150027719Abstract: Systems and methods for quick access and control of a blown-out well or well that is flowing uncontrollably into the environment. Preferred embodiments of the present invention provide a re-entry of the casing of the blown-out well below the mud line and the inoperable blowout preventer. The present invention also provides a method to re-enter a production, or injection well, either subsea below the mud line or above the mud line for surface facility applications. According to a preferred embodiment of the present invention, a miniature wellbore is created from the outer casing through the various smaller casing strings into the final wellbore to protect the structural integrity of the well. Once the casing is safely penetrated, coil tubing and or kill weight fluid can be introduced to stop the uncontrolled flow of reservoir fluid. The well can then be sealed with cement and abandoned as normal practice dictates.Type: ApplicationFiled: August 11, 2014Publication date: January 29, 2015Inventors: Ian DUNCAN, Martin DAVIDSON
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Publication number: 20150027720Abstract: The invention relates to improved metal/composite interfaces, particularly for risers used in offshore oil and gas production to connect a subsea oil well to a surface drilling/production facility. The invention provides a composite hoop structure configured to a bearing surface of a metal groove of metal liner over which axial fibers are laid. The composite hoop structure provides for improved transition of axial, torsional and compressive forces between composite fibers and metal surfaces of the metal liner.Type: ApplicationFiled: July 23, 2014Publication date: January 29, 2015Inventors: Brian SPENCER, Richard GROVER
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Publication number: 20150027721Abstract: Geothermal energy is recovered from magma via a vent of volcano by a longitudinally displaceable, closed system of one tube for injecting working condensed water and the other production tube for return of heated water, and a number of heating tube members connected to front portions of the tubes. The water may be assisted in its return by a pump. The tubes are capable to be advanced relative to a stationary shelter building by a drive means disposed securely at the vent. The front portions are articulated and/or flexible, and provided with a chassis. The tubes may be in co-axial relation and the outer injection tube is used as the heat economizer and insulator tube, and provided with sank and movable scraper members to remove a scale. A heat exchange means is operable to recover thermal energy from the water.Type: ApplicationFiled: July 24, 2013Publication date: January 29, 2015Inventors: Vladimir Anatol Shreider, Natalia Shreider
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Publication number: 20150027722Abstract: A method of using an electrochemical gas lift apparatus to induce artificial gas lift in a production fluid includes introducing the electrochemical gas lift apparatus into a well bore having a production zone, operating the electrochemical gas lift apparatus such that a combination of hydrocarbon fluid and formation water is introduced into the interior of the electrochemical gas lift apparatus, introducing electrical power to the electrochemical gas lift apparatus such that at least a portion of formation water in the interior of the electrochemical gas lift apparatus converts into product gases, operating the electrochemical gas lift apparatus such that the product gases form product gas bubbles in the interior of the electrochemical gas lift apparatus, and operating the electrochemical gas lift apparatus such that production fluid forms in the interior of the electrochemical gas lift apparatus. The production fluid comprises hydrocarbon fluid, unconverted formation water and product gas bubbles.Type: ApplicationFiled: July 22, 2014Publication date: January 29, 2015Inventors: Abdulrahman Abdulaziz Al-Mulhem, Mohamed Nabil Noui-Mehidi
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Publication number: 20150027723Abstract: A method of activating a tool can include displacing a device in the tool, the device transmitting energy to a receiver of the tool, thereby activating the tool, and the transmitting including a control circuitry increasing electrical current flow between an electrical power source and a transmitter in response to a sensor detecting a predetermined stimulus downhole. A system can include a tool including a receiver and an electrical load, and a device which displaces relative to the tool, the device including a transmitter, a sensor and an electrical power source. Another method can include displacing a device in a tubular string including multiple downhole tools, each including a receiver and an electrical load, and the device including a transmitter and a sensor. The transmitter transmits energy to at least one of the receivers in response to sensor detection of a predetermined number of the tools traversed by the device.Type: ApplicationFiled: July 23, 2013Publication date: January 29, 2015Applicant: HALLIBURTON ENERGY SERVICES, INC.Inventors: Michael L. FRIPP, Zachary W. WALTON, Zachary R. MURPHREE, Donald G. KYLE
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Publication number: 20150027724Abstract: A straddle apparatus deploys in a borehole with tubing to treat different zones of a formation. The apparatus has first and second packer elements and a flow element disposed on the apparatus. The first and second packer elements have fill ports in fluid communication with the tubing and have packer valves. These packer valves are biased to open fluid communication between the packer elements and the fill port so the packer elements can be inflated to seal off a section of the borehole when fluid pressure is applied down the tubing string. The flow unit has a flow port in fluid communication with the tubing and has a flow valve biased to close fluid communication between the flow port and the borehole. Once the elements inflate, one or more control units on the apparatus electronically activate the at packer valves to close fluid communication between the packer elements and the fill ports.Type: ApplicationFiled: July 26, 2013Publication date: January 29, 2015Applicant: Weatherford/Lamb, Inc.Inventor: Joshua V. Symms
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Publication number: 20150027725Abstract: A downhole activation assembly for a wellsite is provided. The wellsite has a downhole tool deployable into a wellbore. The activation assembly includes a ball, a housing, an indexing assembly, and a sleeve valve. The housing is operatively connectable to the downhole tool, and has a housing passage for flow of fluid therethrough. The indexing assembly is positionable in the housing, includes a multiple position indexer and an indexing tube, and is operatively connectable to the downhole tool. The sleeve valve includes a fixed sleeve and a movable sleeve positionable in the housing passage of the housing and defines a ball passage therethrough. The sleeve valve has a valve seat defined therein to receive the ball such that the flow of the fluid is selectively restricted through the ball passage. The movable sleeve is engagable with the indexing tube to selectively shift the indexer between multiple positions whereby the downhole tool is selectively activatable.Type: ApplicationFiled: July 25, 2014Publication date: January 29, 2015Inventor: Mark Adam
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Publication number: 20150027726Abstract: A downhole apparatus including a tubular body, first and second ports in a wall of the body, and a fluid pressure-responsive valve arrangement having a locked first configuration associated with a first pressure in which the first port is open and the second port is closed, an unlocked second configuration associated with a second pressure higher than the first pressure in which the first port is open and the second port is closed, and a third configuration associated with a third pressure lower than the second pressure in which the second port is open and the first port is closed.Type: ApplicationFiled: March 7, 2013Publication date: January 29, 2015Applicant: Darcy Technologies LimitedInventors: Stephen Edmund Bruce, Stephen Kent, Dominic Patrick Joseph McCann, David Allan Noblett, David Grant, Ewan Colin Smith
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Publication number: 20150027727Abstract: A displacement assistance device can include at least two flow paths in fluid communication with a flow passage, and a blocking member that blocks flow through each flow path in response to the flow through that flow path. A method of assisting displacement of a tubular string can include installing the tubular string, then discharging a blocking member into the tubular string, and flowing a fluid through a flow passage extending longitudinally through a displacement assistance device connected in the tubular string, thereby causing the member to repeatedly block flow through at least two flow paths in succession. A system can include a displacement assistance device connected in a tubular string, the device including at least two flow paths in communication with a flow passage extending through the tubular string, and a blocking member that alternately blocks flow through the flow paths in response to flow through the flow passage.Type: ApplicationFiled: July 25, 2013Publication date: January 29, 2015Applicant: HALLIBURTON ENERGY SERVICES, INC.Inventors: Stanley V. STEPHENSON, Jim B. SURJAATMADJA
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Publication number: 20150027728Abstract: An ESP assembly is broken into subassemblies to fit through a lubricator for live well deployment. A lifting device has a shaft transmission feature and associated housing rotational lock for use at the top of the first subassembly and to be left in position for engagement of the next assembly. The subassemblies can be delivered on wireline or slickline. A wet connect can be at the lower end of the initial subassembly to connect to a cable run alongside the production tubing. The ESP subassemblies all are interconnected in the live well and function as they would if assembled at the surface. The ability to break down the assembly and run it in segments lets the components fit through a length limited lubricator for live well deployment.Type: ApplicationFiled: July 26, 2013Publication date: January 29, 2015Applicant: Baker Hughes IncorporatedInventors: Steven K. Tetzlaff, Dan L. Adams, Dewayne May, Walter R. Dinkins, Steven W. Pyron
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Publication number: 20150027729Abstract: Apparatus comprising a gripper operable to grip a cable extending between the Earth's surface and a downhole tool, wherein the downhole tool is suspended in a wellbore that extends from the Earth's surface to one or more subterranean formations. A body is assembled to the gripper. A plurality of rolling elements are each rotatably coupled to the body and operable to rotate relative to the body in response to contact with a sidewall of the wellbore as the body is translated along the wellbore. The body and the plurality of rolling elements collectively rotate relative to the gripper and, thus, the cable.Type: ApplicationFiled: July 24, 2014Publication date: January 29, 2015Applicant: IMPACT SELECTOR, INC.Inventor: Jason Allen Hradecky
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Publication number: 20150027730Abstract: The present disclosure relates to providing a hub coupled into a production tree, manifold, or other equipment, and a base module that is attachable to and retrievable from the hub. The base module may be reconfigurable. The base module may be configured to receive other modules that are reconfigurable, wherein the other modules are retrievable from the base module. The hub provides a dedicated space or support at or near the production tree or equipment for using the base module. An interface is provided between the base module and the production tree. A fluid conduit provides a fluid path across or through the interface. The hub may be part of the interface such that the module can fluidly couple to the fluid conduit and the production tree across the interface via the hub.Type: ApplicationFiled: February 21, 2013Publication date: January 29, 2015Applicant: Cameron International CorporationInventors: Graham Hall, Graham Shee, Craig McDonald
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Publication number: 20150027731Abstract: A system in some embodiments includes a back pressure valve configured to mount in a mineral extraction system. The back pressure valve comprises a cylindrical body comprising a venting port coaxial with a longitudinal axis of the cylindrical body and a plunger disposed in the venting port, wherein the plunger comprises a stem that extends from the venting port into an adjacent cavity of the cylindrical body. In some embodiments, a method of operating a valve, includes biasing a plunger to an open position, biasing a valve locking mechanism to a locked position in relation to a bore of a mineral extraction system, and biasing a plunger to a closed position.Type: ApplicationFiled: October 14, 2014Publication date: January 29, 2015Inventors: Dennis P. Nguyen, Kirk P. Guidry, Thomas E. Taylor
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Publication number: 20150027732Abstract: A compensation and fill up assembly comprises a slip assembly for engaging a tubular and a compensation assembly for supporting a weight of the tubular when engaged by the slip assembly. The compensation and fill up assembly further comprises a fluid swivel and a fill up tool coupled to the fluid swivel by a fluid shaft. The fill up tool is insertable into and rotatable with the tubular using the fluid swivel.Type: ApplicationFiled: July 29, 2013Publication date: January 29, 2015Applicant: WEATHERFORD/LAMB, INC.Inventors: Kevin WOOD, Jim HOLLINGSWORTH, Troy F. HILL
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Publication number: 20150027733Abstract: A shoulder elevator having a gated pipe opening, is disclosed. The elevator has a ringed body having unclosed sector creating an opening for receiving a pipe within the body ring. Pivotally mounted gates positioned on opposite sides of the unclosed, sector of the ringed body, move in unison to an open and partially close the unclosed sector of the ringed body around the pipe in response to pipe contact with rearward end of the gates. A lever is provided to manually pivot the gates to an open and closed position around a pipe. Lifting lugs or ears are provided to attach the elevator to the lifting links of a hoist.Type: ApplicationFiled: July 29, 2014Publication date: January 29, 2015Inventor: David L. Sipos
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Publication number: 20150027734Abstract: An example double shoulder threaded tool joint connection includes a pin with external threads formed between a pin external shoulder and a pin nose. The tool joint also includes a box with internal threads formed between a box face and a box internal shoulder. The box internal shoulder may have a different pitch that the pin external shoulder. The internal threads and the external threads may be arranged and designed for connection with each other so that the box and the pin are connected with a common center-line and with a primary seal formed by the pin external shoulder forced against the box face and a secondary seal formed between the pin nose forced against the box internal shoulder.Type: ApplicationFiled: August 11, 2014Publication date: January 29, 2015Inventor: Cain Pacheco
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Publication number: 20150027735Abstract: A method of activating a downhole tool can include configuring the tool having an electrical power source, an electrical load, control circuitry which controls the electrical load, and a switch which selectively permits current flow between the power source and the circuitry, and generating electricity, thereby causing the switch to permit current flow between the power source and the circuitry. A downhole tool can include an electrical power source, an electrical load, control circuitry, a switch which selectively permits current flow between the power source and the circuitry, and a generator. Another method can include displacing a fluid and/or an object at the tool, generating electricity in response to the displacing, permitting current flow between an electrical power source and a control circuitry in response to the generating and, after the permitting and in response to detection of a predetermined signal, the circuitry causing activation of an electrical load.Type: ApplicationFiled: July 23, 2013Publication date: January 29, 2015Applicant: HALLIBURTON ENERGY SERVICES, INC.Inventors: Zachary R. MURPHREE, Michael L. FRIPP, Donald G. KYLE
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Publication number: 20150027736Abstract: A downhole string and method of operating where tension in the downhole string is monitored real time so that the tension in the downhole string does not exceed its yield strength. Included with the string is a tension sub for monitoring the tension that includes a sensor in the housing of the tension sub. The sensor can be a strain gauge and can be placed proximate an upper end of the downhole string so that tension in a wireline attached to the string can also be monitored. The portion of the housing having the sensor is narrowed for enhancing sensitivity of monitoring.Type: ApplicationFiled: December 31, 2013Publication date: January 29, 2015Applicant: GE OIL & GAS LOGGING SERVICES, INC.Inventors: John Edward SMAARDYK, John Paul JONES, Robert WALLER, Peter FONTENOT, Christopher BROWN
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Publication number: 20150027737Abstract: A slip assembly for a downhole tool, such as a bridge plug, has a slip body and at least one insert unit with a base and one or more inserts. The slip body has an incline at one end that interfaces with an inclined surface of a cone. As this occurs, the slip body is pushed away from the tool's mandrel against a surrounding casing wall. The insert unit is disposed in the slip body with the base oriented at an angle relative to the incline, and with the one or more inerts extending from the base. In particular, the base can be disposed at or parallel to the incline, and the one or more inserts with less surface area than the base can extend perpendicular to the inline for the insert's distal ends to engage a surrounding wall of casing or the like.Type: ApplicationFiled: July 30, 2014Publication date: January 29, 2015Inventors: James Alan Rochen, Shawn J. Treadaway
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Publication number: 20150027738Abstract: There is provided a system and method for installing a wellhead component in a single trip. Generally, a wellhead component may be run into a wellhead using a running tool. The running tool may then be retrieved from the wellhead and replaced with a locking tool, which is also run into the wellhead. Additional tools may be used to over-pull the wellhead component and to cementing the wellhead component in place. The process of retrieving and running tools into the wellhead is both time-consuming and costly. Accordingly, the disclosed embodiments include a one-trip tool configured to run a wellhead component into a wellhead, engage an internal coupling to lock the wellhead component in place, over-pull the wellhead component to ensure the internal coupling was properly engaged, and cement the wellhead component in place within the wellhead.Type: ApplicationFiled: September 26, 2014Publication date: January 29, 2015Applicant: Cameron International CorporationInventor: Dennis P. Nguyen
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Publication number: 20150027739Abstract: A fire protection sprinkler system is provided for the protection of commodities including Class I-IV hazards, Group A cartoned and exposed plastics (expanded and unexpanded), flammable liquids, tires, roll paper, and aerosols, stored in a plurality of adjoining racks having a longitudinal flue space between the racks. The system includes at least one fluid supply conduit in fluid communication with a source of a fire protection fluid. The system also includes at least one solid horizontal barrier covering each rack and the longitudinal flue space at a predetermined vertical spacing. The system further includes one or more rack-level fire protection sprinklers in fluid communication with the fluid supply. The sprinklers are disposed in the vertical flue space between adjacent horizontal barriers, and each sprinkler is spaced vertically from the commodities stored between adjacent horizontal barriers.Type: ApplicationFiled: August 8, 2013Publication date: January 29, 2015Inventors: Thomas Multer, Oliver Pahila
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Publication number: 20150027740Abstract: A method and apparatus for automating some of the tasks that heretofore required operator action at headland turns or similar events are provided. The present invention automates operation of lift assist wheels and/or gull wings, such as those found on a stack-fold implement, based on the position of the tractor hitch to which the implement is coupled. An operator may control the position of the implement, such as at a headland turn, by raising and lowering the tractor hitch using a remote control. The invention enables the planter to compare the tractor hitch position relative to an implement position and control operation of the implement accordingly without additional user inputs.Type: ApplicationFiled: October 10, 2014Publication date: January 29, 2015Inventors: Thomas Tuttle, Tyler Remoue
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Publication number: 20150027741Abstract: A filter turning mechanism is attached to an engine in proximity to a filter (such as an oil filter), and may be used to install or remove a filter by turning the filter. The filter turning mechanism contacts a filter, and rotates the filter when the filter turning mechanism is rotated with a tool. One implementation of the filter turning mechanism includes an inner drive gear and a filter drive mechanism. The inner drive gear normally spins freely within the filter drive mechanism, but when pushed into the filter drive mechanism with a suitable tool such as a ratchet extension, the inner drive gear engages the filter drive mechanism, thereby causing rotation of the inner drive gear to rotate the filter drive mechanism as well, which in turn rotates the filter.Type: ApplicationFiled: October 15, 2014Publication date: January 29, 2015Inventor: Christopher M. Huff
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Publication number: 20150027742Abstract: A battery-powered tool includes: a housing, a driven element supported by the housing, an electric motor coupled to the driven element so as to drive the driven element, a battery electrically coupled to the motor so as to supply electric current to the motor and a control circuit arranged to control the supply of electric current to the motor from the battery. The control circuit includes a main switch operable by a user and an auxiliary switch also operable by a user. The control circuit has an active state in which operation of the main switch by the user allows electric current to flow to the motor to cause the driven element to be driven; and an inactive state in which operation of the main switch does not allow electric current to flow to the motor and so the motor does not drive the driven element. Operation of the auxiliary switch causes the control circuit to change between the active and inactive states.Type: ApplicationFiled: August 8, 2014Publication date: January 29, 2015Inventors: Johan Svennung, Pär Martinsson, Johan Björnlinger
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Publication number: 20150027743Abstract: An electric power tool capable of suppressing damage to a fan housed in a housing to cool a motor due to foreign matter without increasing the number of parts. An impact driver includes a motor, a centrifugal fan attached to an output shaft of the motor to cool the motor, an annular air collecting member disposed between the motor and the centrifugal fan to collect cooling air by the centrifugal fan, a housing that houses the motor, the centrifugal fan, and the air collecting member, and ventilation windows formed in the housing to communicate between the inside and the outside of the housing on the outer side of the centrifugal fan. The air collecting member is provided with wall bodies positioned on the inner side of the ventilation windows.Type: ApplicationFiled: December 6, 2012Publication date: January 29, 2015Applicant: MAKITA CORPORATIONInventor: Ryunosuke Kumagai
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Publication number: 20150027744Abstract: The present invention relates to a vibro hammer; which is mounted on parts such as steel formed pipes and profiles and used in driving and extracting these parts to and from the soil, and is able to rotate without resonance; and which, by means of the transmission device whose main parts are the stepped shaft, toothed piston and transmission body, performs phase change between the upper weight set and lower weight set with fewer parts.Type: ApplicationFiled: March 30, 2012Publication date: January 29, 2015Inventor: Aydin Ozkan
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Publication number: 20150027745Abstract: A handheld work apparatus has a motor unit comprising a drive motor. The drive motor drives a tool of the work apparatus, for example a saw chain. The apparatus has a grip unit with a handle that is vibrationally decoupled from the motor unit via an antivibration element. The antivibration element is connected to a first component of the grip unit via a holding device and a second component of the motor unit via a holding element. Arranged in the connection of the first component to the second component through the antivibration element is a predetermined breaking point formed in a third component that is replaceable independently of the first component and the second component. The strength of the connection of the first component to the second component through the antivibration element is lowest at this predetermined breaking point.Type: ApplicationFiled: July 28, 2014Publication date: January 29, 2015Applicant: ANDREAS STIHL AG & CO. KGInventors: Jan Kurzenberger, Jens Knauß, Johannes Menzel, Sebastian Friedrich
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Publication number: 20150027746Abstract: A shielded electrical cable is disclosed. The cable includes a plurality of conductor sets that extend along the length of the cable and are spaced apart from each other along the width of the cable. Each conductor set includes one or more insulated conductors, and first and second shielding films that are disposed on opposite first and second sides of the cable. The first and second films include 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 set. Each conductor set also includes an EMI absorbing layer that is disposed on the first side of the cable, and an adhesive layer that bonds the first shielding film to the second shielding film in the pinched portions of the cable.Type: ApplicationFiled: September 11, 2014Publication date: January 29, 2015Inventor: Douglas B. Gundel
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Publication number: 20150027747Abstract: An electrical cable comprising a conductor and a foamed insulation surrounding the conductor is disclosed. The foamed insulation has a uniform void size and an improved adhesion to the conductor. Electrical cables having a conductor thickness less than 22 mil are also disclosed.Type: ApplicationFiled: January 25, 2013Publication date: January 29, 2015Applicant: E I DU PONT DE NEMOURS AND COMPANYInventor: Gary Thuot
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Publication number: 20150027748Abstract: An inverter surge-resistant insulated wire, having at least one baked enamel layer around the outer periphery of a conductor having a rectangular cross-section, at least one extrusion-coated resin layer around the outer side thereof, and an adhesive layer having a thickness of 2 to 20 ?m between the baked enamel layer and the extrusion-coated resin layer, wherein each of the at least one extrusion-coated resin layer on the adhesive layer is formed by the same resin, a cross-sectional shape of the baked enamel layer and the extrusion-coated resin layer in the cross-section of the inverter surge-resistant insulated wire is rectangular, and in the cross-sectional shape formed by the baked enamel layer and the extrusion-coated resin layer surrounding the conductor in a cross-sectional view, at least a pair of two sides of two pairs of two sides opposing at the upper side and the downside or at the right side and the left side with respect to the conductor each meet the conditions that a total thickness of the bakType: ApplicationFiled: October 6, 2014Publication date: January 29, 2015Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.Inventors: Hideo FUKUDA, Daisuke MUTO, Dai FUJIWARA, Keiichi TOMIZAWA, Tsuneo AOI
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Publication number: 20150027749Abstract: A method and structure for improving signal integrity probing. A coaxial or a microcoaxial cable is threaded through an optional alignment substrate where the cable is used to support or align the cable or an array of cables. A conductive elastomer is placed on a cable or a microcoaxial cable to improve signal integrity probing.Type: ApplicationFiled: October 13, 2014Publication date: January 29, 2015Applicant: R&D Sockets, Inc.Inventors: Thomas P. Warwick, James V. Russell
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Publication number: 20150027750Abstract: To provide a wiring substrate which can prevent short circuit between connection terminals, and which realizes reduction of the pitch between the connection terminals. The wiring substrate of the present invention includes a layered structure including one or more insulation layers and one or more conductor layers, and the wiring substrate is characterized in that a plurality of connection terminals are formed on the layered structure so as to be separated from one another; a filling member is filled between the connection terminals; and each of the connection terminals has a side surface composed of a contact surface which is in contact with the filling member, and a spaced surface which is not in contact with the filling member and which is located above the contact surface and below the top surface of the filling member.Type: ApplicationFiled: April 10, 2013Publication date: January 29, 2015Inventors: Tomohiro Nishida, Seiji Mori, Makoto Wakazono
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Publication number: 20150027751Abstract: A planarized cover layer structure of a flexible circuit board includes an insulation layer bonded through a first adhesive layer to a surface of each one of conductive signal lines laid on a substrate of a flexible circuit board. Separation areas respectively formed between adjacent ones of the conductive signal lines are each formed with a filling layer, so that the filling layer provides the first adhesive layer with a planarization height in the separation areas and the planarization height is substantially equal to the height of the conductive signal lines. The filling layer can alternatively be of a height that is higher than the surface of the conductor layer by a covering height so that the first adhesive layer has a planarization height in the separation areas and the planarization height is substantially equal to the sum of the height of the conductive signal lines and the covering height.Type: ApplicationFiled: October 31, 2013Publication date: January 29, 2015Applicant: ADVANCED FLEXIBLE CIRCUITS CO., LTD.Inventors: KUO-FU SU, GWUN-JIN LIN
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Publication number: 20150027752Abstract: A wiring cover layer is formed on a base insulating layer with a conductor trace sandwiched therebetween. A cover insulating layer is formed on the base insulating layer to cover the wiring cover layer. A terminal cover layer is formed to cover a terminal portion of the conductor trace. A projection of the wiring cover layer projects from an upper surface of the wiring portion to a position above the terminal portion. An end surface of the projection is positioned inward from an end of the cover insulating layer. An insert portion of the terminal cover layer is formed between an upper surface of the terminal portion and a lower surface of the end of the cover insulating layer. A projection of the terminal cover layer is formed between the upper surface of the terminal portion and a lower surface of the projection of the wiring cover layer.Type: ApplicationFiled: July 16, 2014Publication date: January 29, 2015Inventor: Hayato TAKAKURA
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Publication number: 20150027753Abstract: A panel structure includes a substrate, a decoration layer and a conductive component. The decoration layer is located in a first region and the rest region is a second region. The decoration layer includes a middle portion and a first edge protruding portion located between the middle portion and the second region and thinner than the middle portion. Each the conductive component extends in a first direction towards the first region from the second region and crosses the first edge protruding portion followed by extending in a second direction on the middle portion of the decoration layer, the first direction intersects the second direction, each the conductive component on the first edge protruding portion has a first width, each the conductive component on the middle portion extends in the second direction and has a second width less than the first width.Type: ApplicationFiled: July 25, 2014Publication date: January 29, 2015Applicant: WINTEK CORPORATIONInventors: Chun-Ming Huang, Yi-Chun Lin, Yi-Chen Tsai, Ming-Kung Wu
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Publication number: 20150027754Abstract: A resin composition containing (A) a polyimide having acidic functional groups and (B) a compound having functional groups that react with the acidic functional groups, where (a) a solution rate in 3 mass % aqueous sodium hydroxide at 45° C. is 0.95 or more after a heat history of 90° C. for 10 minutes with the solution rate before the heat history assumed to be 1, (b) the solution rate in 3 mass % aqueous sodium hydroxide at 45° C. ranges from 0.001 ?m/sec to 0.02 ?m/sec after the heat history of 180° C. for 60 minutes, (c) a bleed-out amount is 50 mg/m2 or less in storing at 40° C. for 2 weeks after the heat history of 180° C. for 60 minutes, and (d) a thermogravimetric decrease at 260° C. is 2.0% or less in measuring on a temperature rising condition of 10° C./min from 40° C. by thermogravimetric analysis (TG).Type: ApplicationFiled: January 18, 2013Publication date: January 29, 2015Applicant: ASAHI KASEI E-MATERIALS CORPORATIONInventors: Koichiro Shimoda, Yasuhito Iizuka, Masaki Yamamoto, Yoro Sasaki, Hiroaki Adachi, Shuji Kashiwagi
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Publication number: 20150027755Abstract: Provided is a transparent conductive film wherein an electrically conductive region is converted to an electrically insulating region more readily and rapidly than traditional conductive films and the level difference between the electrically conductive region and the electrically insulating region is smaller. The transparent conductive film has an electrically conductive region 4 and an electrically insulating region 5. The electrically conductive region 4 contains a resin component 10, a metal nanowire 2 and an insulation-promoting component 3. The insulation-promoting component 3 has a light absorption higher than that of the metal nanowire 2. The electrically insulating region 5 is defined by a region which contains a resin component 10 but not the metal nanowire 2 or a region which contains a resin component 10 and additionally a metal nanowire 2 having an aspect ratio of smaller than that of the metal nanowire 2.Type: ApplicationFiled: December 11, 2012Publication date: January 29, 2015Applicant: Panasonic CorporationInventors: Akira Tsujimoto, Akihiko Tadamasa, Taisuke Matsui, Eri Yasuhara
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Publication number: 20150027756Abstract: A circuit board structure for high frequency signals includes a substrate and an electrical conductive circuit layer formed on the substrate. The conductive circuit layer includes circuit patterns and connection pads. The circuit pattern includes a base part with a shape of a rectangular block and a circular top part with a hemispherical shape provided on the base part. The circular top part can be modified by a circular bottom part embedded in the dielectric plastic film. Alternatively, a double layer structure with the circular top and bottom parts is formed such that the surface of the circuit pattern is provided with hemispheres to strengthen the reflection, thereby overcoming the problem of signal concentration due to the rectangular structure or the issue of signal attenuation due to surface roughness.Type: ApplicationFiled: July 23, 2013Publication date: January 29, 2015Applicant: KINSUS INTERCONNECT TECHNOLOGY CORP.Inventors: Jun-Chung Hsu, Yu-Hui Wu
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Publication number: 20150027757Abstract: Disclosed herein is a printed circuit board (PCB) including a glass core for maintaining sufficient rigidity while maintaining a thin thickness to minimize warpage. The PCB includes a glass core having upper and lower surfaces in which pattern formation grooves and through via holes are formed, a plating layer filled in the pattern formation groves and the through via holes, insulating layers stacked on the upper and lower surfaces of the glass core, and solder resist layers formed on the insulating layers via coating.Type: ApplicationFiled: November 7, 2013Publication date: January 29, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yee Na SHIN, Seung Eun Lee