Abstract: This invention refers to the oil and gas production industry and can be employed to enhance the productivity of wells by preventing the closure of fractures through application of proppant granular material during the formation fracturing operation.

Abstract: A well fishing method and system is described. In at least one example of the invention, a method of retrieval of material (e.g., a tubing string) having broken control or monitoring lines from a cased well is provided. The method comprises: isolating, from the well casing, broken lines above the material to be retrieved, thereby creating a substantially axial work passage; grasping the material to be removed through the substantially axial work passage; and pulling the material to be retrieved and the restrained lines from the well. Example shrouds, probes and other members are also described.

Abstract: A method of producing from a subterranean formation can include injecting steam into the formation, and then automatically opening at least one valve in response to the steam condensing. A well system can include a tubular string disposed in a wellbore, the tubular string including at least one valve, steam which flows from the wellbore into a formation surrounding the wellbore, and alternately flows from the formation into the wellbore as liquid water, and the valve opening automatically in response to presence of the liquid water in the wellbore.

Abstract: A method for enhancing the storage of carbon dioxide underground. The method comprises locating a geological formation comprising a first storage reservoir having a first surface and a second surface, a first seal layer adjacent the first surface of the first storage reservoir, a second seal layer adjacent the second surface of the first storage reservoir, and a second storage reservoir adjacent the first seal layer opposite the first storage reservoir; directing carbon dioxide into the first storage reservoir, the carbon dioxide being at a first pressure within the first storage reservoir; directing a fluid into the second storage reservoir, the fluid being at a second pressure within the second storage reservoir; and maintaining the second pressure at generally the same or larger pressure than the first pressure of the carbon dioxide to reduce leakage of CO2.

Abstract: A method of preventing phase separation of a viscoelastic surfactant fluid or diverting agent due to ferric ions during matrix acidizing of an oil well which involves the injection of both citric acid and acetic acid which prevents the separation of the viscoelastic diverting agent/acid with ferric ions which avoids damage to well productivity and/or injectivity.

Abstract: The disclosure provides a goat head, as a mixing block, for multiple fluids in oilfield applications, the goat head having a reversing directional flow, mixing portion, wear reduction surfaces, and restricted outlet bore. The goat head provides an underneath approach for piping, reducing the overall height, and mixes the fluids dynamically within the goat head from angled flow paths. The goat head then reverses at least a component of the fluid flow direction that enters the wellbore below the goat head and exits the goat head into the well therebelow. The goat head to contains hardened wear surfaces, including surfaces in specific zones, to resist erosion caused by the reversing directional flow. A restricted outlet bore has a cross-sectional area that is less than the sum of cross-sectional areas of the inlets to assist in creating higher velocity and streamlined flow as the fluid exits the goat head.

Abstract: A method and device for recovering drilling fluid used in connection with the provision of a subsea well, in which the drilling fluid is circulated from a vessel on a sea surface via a drill string and out through a drill bit into an annulus which is defined by a borehole and the drill string. The device includes a filtering device which is connected, in respect of fluid, to an annulus and which is arranged to contain drill cuttings and drilling fluid. A fluid line extends from a portion of the filtering device to the vessel, the fluid line being arranged to carry drilling fluid which has been separated from the drill cuttings back to the vessel.

Abstract: A technique is provided for engaging and disengaging an upper completion with a lower completion positioned in a wellbore. The upper completion comprises an upper communication line, and the lower completion comprises a lower communication line. The upper completion is mechanically latched with the lower completion and the communication lines are coupled in a manner that enables selective engagement and disengagement. A communication line union is used to connect the upper communication line and the lower communication line in a plurality of rotational orientations of the upper completion relative to the lower completion.

Abstract: A method of recovering petroleum from dormant oil wells or increasing the production of oil wells. An alkali or alkali earth carbonate is introduced into a water layer associated with a subterranean petroleum reservoir and/or an explosive composition is introduced into an oil layer associated with a subterranean petroleum reservoir. CO2 gas is produced by reacting the alkali or alkali earth carbonate with an acid and/or by detonating the explosive composition. An explosive composition can be introduced and detonated to achieve sufficient CO2 gas production to increase pressure within the subterranean petroleum reservoir. Petroleum recovery can be further enhanced through the use of techniques to reduce petroleum viscosity including sonication.

Abstract: Example embodiments provide a device for protecting an inner space of an object against fire, including a housing provided with at least one passage opening; an aerosol-forming extinguishing element arranged in the housing and which may include a container for holding extinguishing material which can be activated at a fixed activating temperature; at least one outlet opening which can be connected to the passage opening in the housing and along which the activated extinguishing material can be carried into the inner space of the object so as to extinguish the fire; an activating element for bringing at least part of the extinguishing material to the activation temperature; at least one detection unit arranged in or close to the housing for detecting at least one physical and/or chemical parameter representative of fire in the inner space; and a control unit arranged in the housing for causing thermal activation of the extinguishing element by the activating element when a preset activation value of the detect

Abstract: A draft sensing mechanism includes a draft frame adapted to be attached to a frame of a vehicle. The draft frame has left and right supports adapted to be coupled to corresponding left and right draft links. A draft strap has a left end fixed to a front side of the left support and a right end fixed to a front side of the right support. The draft strap is deflectable in response to draft forces applied to the left and right supports. A draft sensor is attached to the draft strap. The sensor generates a draft signal in response to deflection of the draft strap.

Abstract: A device for cultivating soil or brushing debris includes a frame supporting a transmission and a motor. The transmission defines a housing. A drive shaft, which is at least partially surrounded by the housing, is driven by the motor. The drive shaft is a worm having a first set of threads on an exterior surface thereof and a second set of threads on the exterior surface thereof. The first set of threads are spaced-apart from and angled with respect to the second set of threads. A first gear, a second gear, and a third gear are all supported at least partially within the housing. External teeth of the second gear are in constant engagement with external teeth of both the first and third gears. A shaft is fixedly attached to the second gear and an assembly is removable attached to the shaft.

Abstract: A lift arm assembly is provided for a hitch having a hitch frame adapted to be mounted to a vehicle. The lift arm assembly includes a first arm pivotally coupled to the frame and having a having a pivot bore therein. A second arm is adapted for coupling to an implement and has a pivot pin which is rotatably and slidably received by the pivot bore. The second arm is slidable with respect to the first arm from an inboard position to an outboard position. When the second arm is in its outboard position, the second arm is pivotal about the pivot pin from a lowered position to a raised position.

Abstract: A support stand for an implement such as farming equipment is provided. During use of the implement when the implement is connected to a tractor, the support stand is in a stowed position adjacent to a surface of the implement. When the implement is disconnected from the tractor, the support stand is rotatable outwards from the surface of the implement and downwards towards the ground and rests against the ground to maintain the implement in a generally upright position.

Abstract: A drop hammer for driving a pile comprising a ram member supported within a housing chamber for movement relative to the housing member between the lower position and the upper position and a lifting system for moving the ram member from the lower position to the upper position. When the lifting system raises the ram member above a preload position, ambient air substantially freely flows into and out of the housing chamber through a vent port. When the ram member falls below the preload position, fluid is prevented from flowing through the vent port such that ambient air within a preload chamber portion of the housing chamber compresses to create a preload force that is transmitted to the pile. When the ram member moves into the lower position, an impact force generated by the ram member is transmitted to the pile.

Abstract: The invention relates to a portable power tool having a motor housing (1) and a separate handle housing (3) fastened to the motor housing (1) by means of an elastic vibration damper (2) and secured thereon in a positive-locking manner. The vibration damper (2) is composed of a fastening sleeve (4) assigned to the motor housing (1), an elastic damping sleeve (5) coaxially enclosing the fastening sleeve (4) and a handle holder (6) likewise coaxially enclosing the fastening sleeve (4) and the damping sleeve (5) and assigned to the handle housing (3). The essentially rigid construction unit consisting of the handle holder (6) and the handle housing (3) is secured in a positive-locking manner, with play, directly to the essentially rigid construction unit consisting of the fastening sleeve (4) and the motor housing (1).

Abstract: In a power tool, a housing is composed of two divisional housings to be combined together; two receptacle blocks are provided on inner surfaces of the two divisional housings, respectively, and configured to protrude opposite to each other from the inner surfaces of the two divisional housings to surround an electric component and to hold the electric component in place when the two divisional housings are combined together into the housing; and a seal layer of an elastic material is formed integrally with one or each of the two receptacle blocks. The seal layer formed on a first receptacle block is pressed against a second receptacle block or another seal layer formed on the second receptacle block to provide sealing between opposed surfaces of the two receptacle blocks when the two divisional housings are combined together.

Abstract: Various embodiments relate to bearing assemblies configured to enable removal and replacement of superhard bearing elements, and bearing apparatuses that may utilize such bearing assemblies. The disclosed bearing assemblies may be used in a number of applications, such as downhole motors in subterranean drilling systems, directional drilling systems, roller-cone drill bits, and many other applications. In an embodiment, a bearing assembly includes a support ring and a retention ring assembled with the support ring. The retention ring includes a plurality of through holes. The bearing assembly further includes a plurality of superhard bearing elements, with each superhard bearing element inserted partially through and projecting from a corresponding one of the through holes of the retention ring. The retention ring and each superhard bearing element are collectively configured to restrict displacement of each superhard bearing element beyond a selected position in a direction away from the support ring.

Abstract: Polycrystalline compacts include non-catalytic nanoparticles in interstitial spaces between interbonded grains of hard material in a polycrystalline hard material. Cutting elements and earth-boring tools include such polycrystalline compacts. Methods of forming polycrystalline compacts include sintering hard particles and non-catalytic nanoparticles to form a polycrystalline material. Methods of forming cutting elements include infiltrating interstitial spaces between interbonded grains of hard material in a polycrystalline material with a plurality of non-catalytic nanoparticles.

Abstract: A robotic two-wheeled vehicle comprising a connection body interposed between the two wheels are described. A drum can be coaxially located in a central region of the connection body and can support a hollow arm projecting radially from the drum. A tether can be inserted in the arm and connected to a second drum. Instruments and sensors can be accommodated in a case housed inside each wheel.

Abstract: A semi-autonomous vehicle includes a chassis having a repository on a plurality of wheels, a propulsion system, a steering system, a braking system, an extra-vehicle communications system, and an extra-vehicle sensory system. A control system of the semi-autonomous vehicle is operatively coupled to the propulsion system, the steering system, and the braking system and signally connected to the extra-vehicle sensory system and the extra-vehicle communications system. A non-load-bearing coupling mechanism of the semi-autonomous vehicle includes a connector, a flexible mechanical link element and a communications link.

Abstract: An electric vehicle and a range extender engine are shown including the controls to operate the same.

Abstract: This invention relates to a wheel driven mechanism for a vehicle such as a wheelchair, an electrical bicycle, or a motorcycle, especially to a vehicle which has a wheel driven by power but without using an independent electric motor. The wheel driven mechanism comprises a rotor, a plurality of permanent magnets, a stator, and a plurality of electromagnets. The rotor is divided into a first block and a second block, and the permanent magnets are disposed within the first block to reduce the weight and the cost of the wheel driven mechanism. Furthermore, the user can easily rotate the handwheel mechanism during power off.

Abstract: A protective housing (1) for a galvanic cell in a motor vehicle four side walls (2a, 2b, 3a) that form a lateral enclosure for a receptacle space for the galvanic cell. A base and a cover (4) extend across the lateral enclosure of the receptacle space. A cover cross member (8) is attached to the cover (4) and projects out beyond two opposed side walls (2a, 2b) for connection to a shell of the motor vehicle so that the protective housing (1) is suspended in a rotationally fixed fashion in the motor vehicle.

Abstract: A two-wheeled vehicle is disclosed. The two-wheeled vehicle may include a passenger hand grip which is stowable under a straddle seat of the vehicle. The two-wheeled vehicle may include saddlebags having an open bottom.

Abstract: A rear wheel suspension device of a motorcycle has rear end portions of an upper arm member and a lower arm rotatably joined to a knuckle member, which pivotally supports a rear wheel. The rear wheel suspension device can obtain a progressive cushion property while avoiding an increase in the number of parts. At the same time, the rear wheel suspension device can make the acquisition of extra rigidity of the vehicle body frame unnecessary. One end of a rear cushion unit is joined to one of an upper arm member and a lower arm member. A rear end portion of another of the upper arm member and the lower arm member is rotatably joined to a knuckle member in front of a rear wheel support portion of the knuckle member. Another end of the rear cushion unit is joined to one of another arm member and knuckle member.

Abstract: A throttle sensor mounting structure for suppressing the influence on the arrangement of a lighting device located on the front side of a head pipe. A throttle sensor mounting structure in a saddle seat type vehicle includes a handle, a throttle grip rotatably mounted on the handle, a throttle sensor for detecting an operational amount of the throttle grip, a controller for controlling a power unit according to a detection value from the throttle sensor, a pair of right and left main frames extending to the rear from a head pipe, and a headlight provided on the front side of the head pipe. The throttle sensor is located on the rear side of the head pipe and between the right and left main frames so as to be superimposed on the main frames as viewed in a side elevation.

Abstract: An angular velocity estimate (?e) used in motor control of an electric power steering is obtained as follows. In a first state period during which the motor substantially stops its rotation, a resistance calculation unit calculates a motor resistance value (Rc) on the basis of a detected value (Vm) of motor voltage and a detected value (Im) of motor current. An average calculation unit obtains an average value (Rav) of the calculated resistance values (Rc) in a retained period. A current-resistance characteristic that associates motor current with motor resistance is held in a characteristic holding unit, and a characteristic updating unit updates the current-resistance characteristic on the basis of the average value (Rav). An estimate calculation unit calculates the angular velocity estimate (?e) on the basis of the detected value (Vm) of motor voltage, the detected value (Im) of motor current and a motor resistance value (Rm) obtained from the current-resistance characteristic.

Abstract: The invention relates to a composition of a speaker membrane, consisting at minimum of the following layering sequence: a first cover layer (3) made of a plastic, a first adhesive layer (2), and a first layer (4) manufactured from a non-woven material (fleece) made of fibers.

Abstract: A tuning tube that can be easily changed out without destroying the hydraulic hose assembly in which it is located where the tuning tube is retained on the sleeve section of a secondary fitting and the secondary fitting has a collar section that is held in a receiving bore formed in an inlet cavity. The connector is connected at an inlet end to a hydraulic system component such as a pump and is connected at an outlet end to a hydraulic hose. The tuning tube extends into the hydraulic hose from the secondary fitting and the connector.

Abstract: An acoustic composite containing at least a first acoustically coupled non-woven composite and a second acoustically coupled non-woven composite, each acoustically coupled non-woven composite containing a non-woven layer and a facing layer. The non-woven layer contains a plurality of binder fibers and a plurality of bulking fibers and has a binder zone and a bulking zone. The facing layer of the second acoustically coupled non-woven composite is adjacent the second surface of the non-woven layer of the first acoustically coupled non-woven composite.

Abstract: In accordance with certain embodiments, the present invention provides a modular approach to a lubrication package. Certain components such as the filter and cooler are directly connected to a block that has connections to accept them and internal porting to establish the proper flow paths for circulation, cooling and filtration of the circulating lubricant. The block can accept one or more coolers and one or more filters. The isolation valving for redundant equipment can also be integrated into the block. Many connections that had been used in past designs for the piping network are integrated into the block. The block can also be close mounted to the reservoir while a submersible pump further saves space and piping connections. Indeed, having the ability to maintain mechanical equipment (e.g.

Abstract: The invention relates to a vehicle elevator, comprising: at least one carrier with a length direction for carrying a load thereon, such as a vehicle, and a lift under the carrier, which lift comprises at least two rotating components in a single line of assembly, wherein the rotating shaft extends along the line of assembly. The invention also relates to a lift for assembly in a vehicle elevator.

Abstract: An elevator car layout information editing system 1000 includes a riding car display device 300 and a car layout information editing device 400. The riding car display device 300 stores at least one piece of car layout information showing planar layout of plural elevator cars at a transverse section of a building, displays the above car layout information, and as well carries out an editing process of the displayed car layout information according to an edition instructing signal to instruct the editing process of the above car layout information. The car layout information editing device 400 receives an editing operation for the above car layout information displayed by the riding car display device 300, generates the edition instructing signal to instruct the editing process corresponding to the received editing operation, and sends the generated edition instructing signal to the display device.

Abstract: A parking brake lever apparatus for a vehicle includes a first latchet member and a second latchet member arranged along the direction of an axis of a rotating shaft of a holder member which rotatably supports a parking brake lever. The first latchet member and the second latchet member are arranged so that respective teeth thereof come into contact with each other at end surfaces facing in the direction of the axis of the rotating shaft when the parking brake lever is in an unlocked position. The first latchet member is moved toward the second latchet member by springs so that the respective teeth of the first latchet member and the second latchet member are engaged with each other when the parking brake lever is in a locked position.

Abstract: A brake pad of a disc brake is provided, in particular for a commercial vehicle. A pad carrier plate supports a friction lining. A pad-retaining spring, which is movable relative to the pad carrier plate in the clamping direction, is nonreleasably connected by a hood fastened on the pad-retaining spring. An electric final wear indicator is attached with a sensor fitted on the edge of the pad carrier plate. The sensor is retained captively in the fitted position of the brake pad by the pad-retaining spring. The brake pad is designed such that the distance of the fitted pad-retaining spring from the pad carrier plate in the relaxed or substantially relaxed position of the pad-retaining spring in the region of the sensor is the same size as or larger than the associated dimension size of the sensor.

Abstract: A coil spring suspension designed for a handlebar-steered vehicle. The coil spring suspension generally includes a first tube, a coil spring, a shaft and a guide. A first end of the coil spring is disposed within the first tube and fixedly supported proximate a first end of the first tube. The coil spring extends beyond a second end of the first tube. The shaft fixedly supports a second end of the coil spring. The shaft and the first tube are slidably displaced relative to each other upon suspension loading to lengthwise compress the coil spring. The guide is disposed within the first tube and connected to the coil spring between the first and second ends of the coil spring. The guide is displaced with the coil spring under suspension loading and limiting lateral displacement of the coil spring.

Abstract: A dynamic energy management restraint anchor device interfaces with a child seat in a vehicle, engaging common child seat attachment clip features. A device restraint anchor is operable to dynamically extract and permit distortion of load bearing deformable member(s) in order to manage the displacement of, and load transferred through, an anchor connected to a child seat. The device may be further operable to limit or prevent restraint anchor displacement and the distortion of said deformable member(s) under quasi-static load conditions in order to meet motor vehicle static load/displacement anchorage performance requirements applicable to certain anchors. Anchor retraction capability and various interlocking configurations for securing the position of an anchor, before or after having extracted, may be incorporated relative to the energy management device interfacing with both a vehicle and a child seat. An indicator may further be provided to identify the functional state of the restraint device.

Abstract: In a front fork which is capable of adjusting a spring force of a suspension spring housed in a fork main body by driving a jack mechanism housed in the fork main body to raise and lower an upper end position of the suspension spring, the jack mechanism defines a pressure chamber by means of a cap member that closes an upper end opening of a vehicle body side tube and a piston member. By supplying and discharging a pressure oil to and from the pressure chamber, the piston member ascends and descends, thereby raising and lowering the upper end position of the suspension spring.

Abstract: A mount damper comprises electrode plates placed on a motor side and a support body side respectively, a control unit for adjusting voltage between the electrode plates, and an electrostrictive polymer member for changing a distance between the electrode plates by the voltage therebetween. The electrostrictive polymer member is also an elastic body sandwiched between the electrode plates and has a hardness changeable with a change in the interelectrode distance. A motor is mounted through this mount damper. The control unit adjusts voltage applied between the electrode plates to a value different from a value causing resonance of the motor and the electrostrictive polymer member, thereby absorbing vibration of the motor during rotation thereof, irrespective of a rotation speed. Thus, the mount damper and the image forming apparatus using it can reliably prevent resonance and absorb vibration constantly even if a device selectively uses plural levels of the rotation speed.

Abstract: A manual seat height adjuster mechanism for a seat of a vehicle includes a freewheel brake mechanism having a rotatable output pinion to engage and rotate an adjustment component of the seat to adjust a height of the seat and a locking mechanism selectively engagable and disengageable with the freewheel brake mechanism to allow the height of the seat to be adjusted and to prevent the height of the seat from moving once the height has been adjusted.

Abstract: When a bill-jam occurs in a bill dispenser, the jammed bill or the subsequent bill is easily removed. An arc-shaped conveyance passage (20) that is formed in an arc shape and that includes a cylindrical drive roller (21) rotating about a rotational shaft (21a) and plural pressure rollers (22) pressurizing an outer circumferential surface of the cylindrical drive roller, is provided in a conveyance passage connecting a discrimination part (3) to a reception part (1) in the bill dispenser. A switching blade (6) is disposed in a branch part (26) between the arc shape conveyance passage (20) and a branch conveyance passage (27) connected to a temporary holding part 4.

Abstract: A coin processing device includes a temporary coin-withholding mechanism for driving coin withholding levers using a single driving device. The temporary coin-withholding mechanism includes a single driving mechanism, a first coin withholding lever for withholding/releasing a coin guided by a first coin sorting route, a second coin withholding lever for withholding/releasing a coin guided by a second coin sorting route, and a link mechanism including detecting whether a coin is withheld in the first coin sorting route. When the retention is detected, the first lever is shifted from the withholding position to the release position to allow the driving mechanism to drive only the first coin lever without driving the second coin lever. When the retention is not detected, the second lever is shifted from the withholding position to the release position to allow the driving mechanism to drive the second coin withholding lever.

Abstract: A medium recovery device for medium processing device may provide a barrier that is internally provided to be inclined, and may increase a storage amount of uncollected media stacked in the media retraction device.

Abstract: A method and device for collecting bodies, which are delivered in an irregular sequence, on a collecting belt, with the following features: a) the bodies which are delivered are moved more rapidly than predetermined by the running speed of the collecting belt (7), b) a pimpled belt (8) having ridges (12) is located in the end region of the collecting belt (7) and can be raised over the upper edge of the collecting belt (7) by means of a lifting device (5), c) the pimpled belt (8) is raised and accelerated as a function of being completely covered with bodies, and also a control program for carrying out the method.

Abstract: A conveying apparatus (1) moves a transport unit (3) having at least one running section (4, 5). The running section (4, 5) can, in particular, be configured as a runner of a skid. The conveying apparatus (1) has a support (6, 8) which takes up the weight of the transport unit (3) on the running section (4, 5). The conveying apparatus (1) includes at least one drive roller (20) which interacts with the running section (4, 5) of the transport unit (3) for a rolling movement and subjects the transport unit (3) to a force (FK) for movement along the support (6, 8). The drive roller (20) is operatively connected to a force-generating device (44) for providing a press-on force (FP) pressing the drive roller (20) against the running section (4, 5) of the transport unit (3).

Abstract: Communications systems and methods for transmitting extendible conveyor control signals along an extendible conveyor. A conveyor communication system includes a first transceiver for use on a stationary boom of an extendible conveyor system, configured to communicate with a conveyor main control of the extendible conveyor system. The conveyor communication system includes a second transceiver for use at an end boom of the extendible conveyor system, configured to communicate with a control station on the end boom. The second transceiver is configured to receive wireless communications from the first transceiver over a wireless communications link.

Abstract: A modular roller-top conveyor belt and multi-piece rollers for the belt. The roller-top belt has axles unitarily molded with the belt modules. Each of the pieces of the multi-piece rollers can be installed radially onto an axle and joined together in a puzzle pattern to form a complete roller that can rotate on the axle. Parallel ridges extending across the width of the modules add stiffness to the belt.

Abstract: A kit for use by an airline traveler having an item of carry-on luggage in an airport having a security checkpoint where the traveler is required to remove the traveler's shoes for security inspection. The kit includes a pair of socks configured for wearing on the traveler's feet in order to keep unhygienic substances in proximity of the checkpoint away from the feet when the traveler walks through the checkpoint without the shoes. The kit includes a handheld travel pouch having an inner space and a pocket. The inner space is configured for storing the pair of socks. The pocket is configured for storing a card for providing proof of identity of the traveler. The pocket is configured for allowing of quick removal of the card for display at the checkpoint. The kit includes a means for securing the pouch to the item, the means coupled to the pouch.

Abstract: Methods and apparatus for grasping an object using a re-closable bag with integrated finger sleeves. The re-closable bag includes a flexible side panel, an opening on a top end of the bag, and at least two flexible finger sleeves connected to the side panel. The opening includes a closure adapted, when closed, to seal the bag. The at least two flexible finger sleeves, when in a first position, are disposed between a first portion and a second portion of the side panel. Each finger sleeve in the two or more finger sleeves is adapted to accept at least a portion of a human finger. In some aspects, an object grasped using the finger sleeves can be retracted into the re-closable bag with integrated finger sleeves and stored within the bag.