Abstract: According to an embodiment, a power generation system is provided comprising a wind power plant comprising a plurality of wind turbine generators and a power plant controller configured to signal, to at least a portion of the plurality of wind turbine generators, a voltage reference for the output voltage of the wind turbine generator wherein each wind turbine generator comprises a controller configured to control the wind turbine generator based on the voltage reference.

Abstract: A locking arrangement includes at least a rotatable part, a stationary part with respect to the first part, and a locking member having locking protrusions. At least one working plane passing through the locking protrusions is defined in a locking position where compression forces are concentrated which are reaction forces to external forces tending to rotate the parts relative to each other. The parts have locking protrusions defining gaps for receiving the locking protrusions in the locking position for preventing the parts from being rotated to each other.

Abstract: A solar energy driven power generation system includes a solar energy receiver configured to collect solar energy. A vapor generator is operably connected to the solar energy receiver. A vapor turbine is operably connected to the vapor generator and is configured to be driven by a flow of vapor from the vapor generator. An electrical power generator is operably connected to the vapor turbine and driven thereby. A thermal conditioning system is operably connected to the vapor turbine and is driven by a flow of output vapor or hot liquid from the vapor turbine. A method of power generation includes collecting solar thermal energy and generating vapor utilizing the solar thermal energy. A vapor turbine is driven by the vapor and electrical power is produced via the rotation of the vapor turbine. Output vapor from the vapor turbine is utilized to drive a thermal conditioning system.

Abstract: An impact drive type actuator (10) is comprised of a wire-shaped shape memory alloy (11) which contracts upon being electrified and heated, a disk-shaped insulating heat conductor (12) which contacts this wire-shaped shape memory alloy (11) and releases the heat which is generated at the wire-shaped shape memory alloy, and a drive circuit (16, 17) which instantaneously electrifies the wire-shaped shape memory alloy and instantaneously makes the wire-shaped shape memory alloy contract. According to this impact drive type actuator, it realizes a heat conduction structure which gives rise to a high heat dispersion action by the heat characteristics of the shape memory alloy, so it becomes possible to utilize the deformation by extension and contraction of a shape memory alloy which has a wire-shaped form, improve the speed and response of the deformation operation characteristics, and improve practicality.

Abstract: A pump comprises at least one piston slidable within an opening along a movement direction in order to vary the volume of a chamber. The pump further comprises a casing within which a driving device is housed for moving the piston, and a head within which the chamber is at least partially obtained, the chamber being partially delimited by the piston. A high pressure sealing element is located in a proximal position with respect to the chamber and a low pressure sealing element is located in a distal position with respect to the chamber to stop any quantities of liquid that the high pressure sealing element has let through. The high pressure sealing element is housed inside the head and the low pressure sealing element is housed inside the casing.

Abstract: An air operated pump 10 uses a magnet 14 mounted in the valve cup 16 of the air motor 18 and two reed sensors 20 mounted in the valve cover 22 to monitor the speed and position of the valve 16. A solenoid 24 is mounted on the valve cover 22 and can be commanded to extend a plunger 26 into the valve cup 16 to stop valve movement and therefore the pump from running away A magnetoresistive sensor 34 is located in the center of the air motor 18 to precisely monitor the piston 36 position and with air valve sensors 20 provides the input necessary for precise control and diagnostics of the pump 10 and makes it suitable for metering and plural component application.

Abstract: An air operated pump 10 uses a magnet 14 mounted in the valve cup 16 of the air motor 18 and two reed sensors 20 mounted in the valve cover 22 to monitor the speed and position of the valve 16. A solenoid 24 is mounted on the valve cover 22 and can be commanded to extend a plunger 26 into the valve cup 16 to stop valve movement and therefore the pump from running away A magnetoresistive sensor 34 is located in the center of the air motor 18 to precisely monitor the piston 36 position and with air valve sensors 20 provides the input necessary for precise control and diagnostics of the pump 10 and makes it suitable for metering and plural component application.

Abstract: A compressor system is disclosed with a base structure configured to support a compressor. A removable oil reservoir is connectable with the base structure. An oil drain tube is configured to be in fluid communication with portions of the compressor system and the oil reservoir. The oil reservoir is configured to slidingly move relative to the base structure and engage with the oil drain tube in a fluid sealing arrangement.

Abstract: A double-headed piston type swash plate compressor includes first and second cylinder blocks, a rotation shaft, a double-headed piston, a crank chamber, a drive force transmission member, a swash plate, a movable body, a control pressure chamber, and a support. The control pressure chamber is defined by the movable body in the housing. The control pressure chamber moves the movable body in the axial direction of the rotation shaft. The support is located on the swash plate and supported by the rotation shaft. The drive force transmission member and the movable body are located at a first side of the swash plate in the axial direction of the rotation shaft, and the support is located at a second side of the swash plate. The drive force transmission member, the movable body, and the support set the inclination angle of the swash plate relative to the rotation shaft.

Abstract: A linear compressor is provided. The linear compressor may include a shell having a refrigerant inlet, a cylinder provided inside the shell, a piston that reciprocates inside the cylinder to compress a refrigerant, a motor assembly that provides a drive force to the piston, and a magnet assembly that delivers the drive force to the piston. The magnet assembly may include a magnet frame having a cylindrical shape. A permanent magnet may be installed in or on the magnet frame. A coupling plate may be coupled to a side of the magnet frame and may include a flange coupled to an end portion of the permanent magnet.

Abstract: A cassette integrated system. The cassette integrated system includes a mixing cassette, a balancing cassette, a middle cassette fluidly connected to the mixing cassette and the balancing cassette and at least one pod. The mixing cassette is fluidly connected to the middle cassette by at least one fluid line and the middle cassette is fluidly connected to the balancing cassette by at least one fluid line. The at least one pod is connected to at least two of the cassettes wherein the pod is located in an area between the cassettes.

Abstract: A peristaltic pump, and related system method are provided. The peristaltic pump includes a cam shaft, first and second pinch-valve cams, first and second pinch-valve cam followers, a plunger cam, a plunger-cam follower, a tube receiver, and a spring-biased plunger. The first and second pinch-valve cams are coupled to the cam shaft. The first and second pinch-valve cam followers each engage the first and second pinch-valve cams, respectively. The plunger cam is coupled to the cam shaft. The plunger-cam follower engages the plunger cam. The tube receiver is configured to receive a tube. The spring-biased plunger is coupled to the plunger-cam follower such that the expansion of the plunger cam along a radial angle intersecting the plunger-cam follower as the cam shaft rotates pushes the plunger cam follower towards the plunger and thereby disengages the spring-biased plunger from the tube. A spring coupled to the spring-biased plunger biases the spring-biased plunger to apply the crushing force to the tube.

Abstract: Systems and methods of the invention relate to diagnosing a compressor. A method may include operating a compressor to compress air from a first stage compressor into an intermediate stage reservoir, to deliver air from the intermediate stage reservoir to a second stage compressor, and to further compress the air in the second stage compressor into a primary reservoir, monitoring an intermediate stage pressure of the intermediate stage reservoir, and identifying a condition of the compressor through recognition of a change in the monitored intermediate stage pressure during a time period in which the compressor is operated. A vehicle system is also provided including an engine, a compressor operatively connected to the engine, and a controller that is operable to identify a condition of the compressor.

Abstract: A sleeping system is provided, including an air bladder and a diaphragm pump. The diaphragm pump communicates with the air bladder. The diaphragm pump includes a base, a first inlet, a first outlet, a first noise-eliminating foam, a pump body and a cover. The first inlet is formed on the base. The first outlet is formed on the base. The first noise-eliminating foam is disposed in the base. The cover is connected to the base and covers the pump body, wherein air flow passes through the first inlet into the base and travels through the pump body and the first noise-eliminating foam, and leaves the diaphragm pump through the first outlet to be infused into the air bladder.

Abstract: An inlet valve for a fluid pump includes a movably supported tappet for closing a fluid inlet opening and an actuator for moving the tappet, wherein the actuator and the tappet are formed separately from each other and can be coupled to one another by a coupling element for transmitting an actuator driving force to the tappet. An assembly method for such an inlet valve is also disclosed.

Abstract: A bearing includes a bridge land geometry having a finger cut that defines a width ISW, a center of the width ISW displaced from a shaft axis a radial distance ISR, a ratio of ISW/ISR between 0.074-0.293, to reduce cavitation and pressure ripple.

Abstract: A centrifugal pump impeller support system and apparatus is described. A centrifugal pump includes an impeller including an impeller eye skirt extending axially from an eye of the impeller, and in certain stages, a balance ring skirt, and an impeller support insert secured around an outer diameter of at least one of the impeller skirts, each of the at least one impeller support inserts including a sleeve extending tubularly around the impeller skirt, and a flange extending perpendicularly to a longitudinal axis of the centrifugal pump shaft. A diffuser stacked adjacent to the impeller includes a bushing secured around an inner diameter of the diffuser flow exit outward of the impeller eye skirt support insert or a bushing secured around an inner diameter of the flow entrance outward of the balance ring skirt support insert.

Abstract: A side channel machine arrangement comprises a side channel machine (1) and a fluid connection device (2). The side channel machine (1) has a housing (5), side channels arranged in the housing (5) and fluid inlet openings (11) provided in said housing, which have a flow connection to the side channels to introduce a fluid to be conveyed into the side channels, at least one fluid outlet, which is provided on the housing (5) and has a flow connection to the side channels to discharge the fluid from the side channels, and an impeller that is mounted so that it can be rotatably driven in the housing (5). The fluid connection device (2) is used to connect the side channel machine (1) to a fluid supply line. It comprises a first fluid connection mechanism (3), which is provided on the housing (5) and has a flow connection to the fluid inlet openings (11), and a second fluid connection mechanism (4), which has a fluid inlet piece (29) for connection to the fluid supply line.

Abstract: An electrical submersible pump assembly includes a centrifugal pump having stages. Each of the stages has an impeller in cooperative engagement with a downstream diffuser. The impeller is axially movable relative to the downstream diffuser between a downthrust and an upthrust position. The downstream diffuser has an annular downstream wall surface, relative to the impeller, defining a downstream cavity. The impeller has a downstream balance ring that locates alongside the downstream wall surface. An annular clearance between the downstream balance ring and the downstream wall surface increases in response to the impeller moving from the downthrust to the upthrust position.

Abstract: A blower includes an electric motor case, a housing having a housing inlet and a housing outlet between which is defined a flow path for gas, a first impeller adapted to accelerate gas tangentially and to direct it radially outward, and a stationary portion. The stationary portion includes an annular gas flow path of sufficient width to allow a flow of gas therethrough without introducing excessive pressure drop. The stationary portion includes a first stator vane structure defining a plurality of stator vane leading edges, the first stator vane structure located on the second side of the motor and arranged to smoothly direct gas flow along a curved path. The motor case provides a shielding function for the stator vane leading edges from an impeller blade pressure pulse.

Abstract: A magnetic propeller device for an unmanned aerial vehicle (UAV) includes a propeller and a shaft mount that engage with a motor shaft of a UAV. The propeller and shaft mount each have a magnetic element. When both magnetic elements are aligned, the propeller engages the shaft mount by way of a magnetic holding force between the magnetic elements. When a propeller contacts an object and the propeller is displaced, the magnetic elements passively disengage the propeller from the shaft mount due to misalignment of the magnetic elements. Passive disengagement allows the propeller to rotate independently of the motor shaft. Once the UAV moves clear of the object, the magnetic elements can realign, such that the propeller re-engages the shaft mount and resumes rotation with the motor shaft.

Abstract: A powered fan is provided having a fan housing, a plurality of fan blades, a motor, and an electrical generation system. The fan blades are mechanically coupled to the motor, both being contained within the fan housing. Rotatably affixed to an exterior portion of the fan housing, and mechanically coupled to the electrical generator, is a hand crank. Electrically coupled to the motor and affixed to some portion of the fan housing is a rechargeable battery. Manipulation of the hand crank generates electricity for powering the motor and/or charging the rechargeable battery. A control pad located on the fan housing allows a user to selectively control the functioning of the fan.

Abstract: A method of positioning an inlet guide vane assembly before start-up of a chiller system including a compressor, a condenser, and a cooler is provided including receiving a first input form sensors located in the cooler and the condenser. A saturation temperature is calculated based on the input from the sensors. A second input indicative of a minimum speed of a motor coupled to the compressor at start-up is received. Using the calculated saturation temperature and the second input, an allowable position of the inlet guide vane assembly is determined. The inlet guide vane assembly is then moved to the determined allowable position.

Abstract: A method for controlling rotation speed is suitable for an electronic device having a vibrating fan module. The vibrating fan module can generate vibration and output airflow simultaneously. The method for controlling rotation speed includes the following steps. Whether a vibration signal transmitted by the electronic device is received is determined. When the vibration signal is received, a rotation speed of the vibrating fan module is adjusted to a vibration rotation speed. A temperature of the electronic device is sensed. Whether the temperature of the electronic device is greater than or equal to a first preset temperature is determined. When the temperature of the electronic device is greater than or equal to the first preset temperature, the rotation speed of the vibrating fan module is adjusted to a first rotation speed according to the temperature of the electronic device. The first rotation speed is less than the vibration rotation speed.

Abstract: A turbocharger housing has a valve device. The valve device is formed with at least one first duct section and a second duct section. The two duct sections are arranged with their longitudinal axes parallel to one another and they are formed without any undercuts.

Abstract: A fluid machine in communication with a thrust bearing fluid source includes a housing having a bearing portion receiving fluid from the fluid source. A bearing chamber is formed in the bearing portion. An extension of a rotor is positioned within the bearing chamber so that a first pocket is disposed adjacent to a first side of the extension and a second pocket is disposed adjacent to a second side of the extension. An extension lateral side is adjacent to the bearing chamber lateral side. The extension comprises a first channel extending from a first half of the extension lateral side to the first pocket. The extension comprises a second channel extending from a second half of the extension lateral side opposite the first channel to the second pocket. The bearing chamber receives fluid from the bearing channel which is communicated to the first and second channels and the pockets.

Abstract: A fan containment system for fitment around an array of radially extending fan blades mounted on a hub in an axial gas turbine engine. The fan containment system comprises a fan case having an annular casing element for encircling an array of fan blades and a hook projecting in a generally radially inward direction from the annular casing element. The fan containment system further includes an annular fan track liner comprising a plurality of adjacent arcuate fan track liner panels. Each of the plurality of fan track liner panels is connected to the fan case at the hook via one or more fasteners configured to permit movement of the fan track liner panel relative to the hook such that the fan track liner panel can pivot towards the annular casing element when a released fan blade impacts the fan track liner panel.

Abstract: A filter fan, with a blower, for fitting in a mounting opening in a wall. The filter fan has a basic casing, a design cover. An aeration grid with lamellar elements is held on the opposed side walls of the design cover and a filter mat is placed between the basic casing and the fan grid. A grid element is placed on the air outlet side of the filter fan for the passage of air above an air outlet. The grid element has an ascending section and a planar section, whereby the ascending section changes into the planar section and a full surface section is provided on the planar section.

Abstract: A method for storing and reusing hydraulic energy in a machine is disclosed. The method includes transferring the hydraulic energy from an actuator to an upstream side of a motor pump via a first valve, during a normal mode. The method includes directing excess hydraulic energy from a downstream side of the motor pump to an accumulator by opening an accumulator valve and closing a bypass valve, during an energy saving mode. The method includes retrieving stored hydraulic energy from the accumulator to the upstream side of the motor pump by opening the accumulator valve, during an energy discharging mode.

Abstract: A system for determining the location of a piston within an accumulator is provided in which a short circuit is created between elements in the accumulator and the piston which is movable within the accumulator. As the piston moves along the longitudinal axis of the accumulator, the circuit's electrical characteristics (e.g., voltage, resistance, current) vary in accordance with the length of the circuit. Measurement of these electrical characteristics allows for precise determination of the piston location relative to the accumulator. In a commercial embodiment, the invention can be utilized to determine fluid volumes in an accumulator by monitoring the location of the piston. This invention overcomes prior art systems because, inter alia, it does not require electrical sensory equipment, enables remote monitoring, maintains system integrity and functions irrespective of container wall thickness.

Abstract: A compact hydraulic transmission assembly using an axial piston pump disposed on a center section that also provides a cylindrical running surface for a radial piston motor. This design provides for a compact and low profile assembly, while the combination of an axial piston pump with a radial piston motor provides improved efficiency for higher torque output. The radial piston motor includes a lower mass piston block that improves performance.

Abstract: A valve (18), for a valve assembly (10) for regulating the pressure of a fluid guided in a hydraulic system for supplying pressure to at least one hydraulic consumer (12a, 12b), includes a pilot control stage (48) and a main control stage (38) for at least partially clearing or blocking a fluid path from a supply connection (P) to an outflow connection (T). A relief stage (54) for pressure relief of a fluid chamber is arranged between the pilot control stage (48) and the main control stage (38). The relief stage (54) compares the existing load pressure at load terminal (LS) dedicated to the hydraulic consumer (12a, 12b) with the outflow pressure at the outflow connection (T), clearing the pressure relief if both pressures are approximately the same. The relief stage (54) can be directly connected to the load connection (LS) and can be charged with load pressure.

Abstract: Particular embodiments of the inventive technology disclosed herein relate to the use of a dynamic valve to reduce motion caused by impulse force applied to a positioned component. Typically, the inventive technology finds application in an internally pressurized positioning system. At times, use of the inventive technology may lead to cost savings by, e.g., allowing for the use of smaller diameter positioner actuators and/or a reduced internal pressure.

Abstract: A hydraulic manifold may be used with a dredge. The hydraulic manifold may have a body with a mounting surface, a front surface located opposite the mounting surface, a top surface located between the mounting and front surfaces, a bottom surface located opposite the top surface, and end surfaces located opposite each other and connecting the mounting, front, top, and bottom surfaces. The manifold may also have at least one drain port and at least one supply port in at least one of the end surfaces, at least one valve port in the top surface, at least one consumer port in the top surface, and at least one transponder port in the bottom surface.

Abstract: A fluid flow control device includes a body having an inlet connection, an outlet connection, and a discharge port. A supply path extends between the inlet connection and the outlet connection and a booster module is disposed within the body. The booster module includes a control element and an actuator element and defines an exhaust path extending between the outlet connection and the discharge port. A supply port is disposed within the booster module along the supply path between the inlet connection and the outlet connection.

Abstract: An actuator according to the present invention includes a cylinder, a piston inserted into the cylinder to be free to slide, a rod that is inserted into the cylinder and connected to the piston, a rod side chamber and a piston side chamber defined by the piston within the cylinder, a tank, a first opening/closing valve provided in a first passage that connects the rod side chamber to the piston side chamber, a second opening/closing valve provided in a second passage that connects the piston side chamber to the tank, a pump that supplies a working fluid to the rod side chamber, a motor that drives the pump, an exhaust passage that connects the rod side chamber to the tank, and a passive valve that is provided in the exhaust passage and has a predetermined pressure/flow rate characteristic.

Abstract: A family of Radar energy Absorbing Deformable Low Drag Vortex Generators (RAD-LDVG) is described herein. This family of devices are fabricated in such a way that it can conform to aircraft surface features while reducing radar returns from structural details. Vortex generators (VGs) are typically used to reattach or smooth gross flowfields over aircraft surfaces. By doing so, an airfoil or wing can maintain attached flow at higher angles of attack and/or higher lift coefficients than one without the VGs. These devices are also used to reattach and/or smooth flows that encounter crossflow-induced instabilities and/or adverse pressure gradients on the upper surfaces of wings or near aircraft boattails. Other uses include reduction of buffet, vibration, flutter, cavity resonance or general bluff-body pressure drag reduction. Although conventional rigid VGs do generate vortical aerodynamic structures, two major problems are often experienced: i.) the inability to conform to curved surfaces, ii.

Abstract: A closure device for connecting to parts with each other is provided. The closure device includes a first closure part which includes a first base body and a first form-fit portion stationarily arranged on the first base body, and a second closure part which includes a second base body and a second form-fit portion stationarily arranged on the second base body. For closing of the closure device the first closure part and the second closure part can be attached to each other, whereby the second form-fit portion of the second closure part can be brought in engagement with the first form-fit portion of the first closure part in a direction of engagement, so that in a closed position the form-fit portions positively are in engagement with each other. A recoil element is arranged on one of the closure parts and is elastically shiftable along the direction of engagement.

Abstract: A fluid-actuated fastening device comprises a housing including a housing body defining a fluid cavity and a fluid port. The fluid port places the fluid cavity in selective communication with an outside fluid source. A telescoping mast assembly includes a mast sleeve. A spindle has longitudinally spaced inner and outer spindle ends separated by a longitudinally oriented spindle body. The spindle body is at least partially located within the mast sleeve for telescoping longitudinal movement with respect thereto to transform the mast assembly between compressed and expanded mast states. At least one disc spring is located substantially within the fluid cavity. Introduction of pressurized fluid into the fluid cavity via the fluid port causes at least one of travel of the disc spring between flexed and relaxed spring states and translational movement of the mast between the compressed and expanded mast states.

Abstract: A holder for a seamless control cord of a curtain for quickly fixing the seamless control cord or a bead chain is composed of a base seat, an outer cover and elastic members and fixed on a wall face by fixing members. The base seat and the outer cover are respectively formed with two perforations. Each perforation has a cord passage formed on the same axis. When holding the control cord, the seamless control cord is directly passed through the cord passage of the outer cover into the perforation and then passed through the cord passage of the base seat into the perforation. Then, the elastic members push the outer cover to misalign the two perforations so as to hold the control cord and fully fix the control cord. Under such circumstance, the control cord is prevented from swinging or a child cannot play the control cord.

Abstract: A fixing screw structure for adjusting a fixing procedure used for fixing a panel to a casing, including a screw, an elastomer and a fixing frame. The screw includes a threaded portion and a tapered portion, and passes through the panel, and the threaded portion is screwed on the casing. The elastomer is annular and disposed around the screw, and has a taper hole corresponding to the tapered portion. The fixing frame is a hollow tube, and is fixed on the panel and positioned around the elastomer. When the screw is screwed, the tapered portion abuts the inner wall of the taper hole and the elastomer is expanded outwardly to fitly abut the inner wall of the fixing frame. The instant disclosure transforms the longitudinal screwing force into a transverse expanding force to fix the panel, thereby eliminating the cumulative tolerance of the casing and the panel.

Abstract: A beam clamp for securing a first beam to a second beam where the first and second beams are arranged in crossing fashion and define one or more quadrants, the beam clamp including a first clamping portion having a first clamping surface configured to engage a beam flange, a second clamping portion having a second clamping surface configured to engage a beam flange and being arranged in opposing relation to the first clamping surface defining a mouth, a base portion extending between the first and second clamping surfaces and having a wedge shape for engaging a corner defined by flanges of the crossing beams, and a securing mechanism configured for extending from one of the first and second clamping surfaces, into the mouth, to engage a surface a beam flange thereby pinching the flanges of the crossing beams together.

Abstract: The invention relates to an anchor (1) that can be secured in a drilled hole (2), with an expansion sleeve (10) for anchoring onto a wall (3) of the drilled hole, and with an anchor bolt (20) that passes through the expansion sleeve and that has an expansion section (38) for widening the expansion sleeve, and it also has a stop (22) that limits axial movement of the expansion sleeve away from the expansion section. According to the invention, at least one rotary catch (24) is provided which non-rotatably couples the expansion sleeve to the anchor bolt, and the expansion sleeve has at least one cutting projection (14) for creating an undercut in the wall of the drilled hole.

Abstract: Dual directional latch devices or connectors are described wherein a first connector component and a second connector component have a first latched position and a second latched position when moving in a first direction and wherein movement in a second direction is also possible depending on a stop feature. As described, a combination key and key way, a movable sleeve, a stop flange, and a threaded sleeve may be provided to stop movement in the second direction. The dual direction latch devices may be used with articles of manufacture such as with implantable medical devices, door panels, airplane panels, and drilling devices, to name a few.

Abstract: A component mounter mounting head holding device for detachably holding a mounting head to a head holding section of a component mounter, including: a pin to be engaged provided on a connection section for a head holding section of the mounting head; an engaging member provided on the head holding section that moves between an engagement position for holding the mounting head in which the engaging member is engaged with the pin and a release position in which the engaging member is separated from the pin; and an air cylinder provided on the head holding section that is a power source for moving the engaging member between the engagement position and the release position. When attaching/detaching the mounting head to/from the head holding section, the head holding section is rotated to a position in which the engaging member can pass by the side of the pin.

Abstract: A fastening device and method thereof is described. According to an embodiment of the present invention there is a fastening device comprising an insertion component and a receptacle component. The insertion component and the receptacle component, each includes a barbed outer surface. The insertion component comprises two sections of its barbed outer surface, separated by a flange, such that one section of the insertion components is configured to be inserted inside the receptacle component. A method of fastening a first substrate to a second substrate using a fastening device according to an embodiment is provided comprising pushing the insertion component into a hole in the first substrate, pushing the receptacle component into a hole in the second substrate, and pushing the insertion component into the receptacle component.

Abstract: A female latch member comprising an aperture having a central axis and an inside surface, and first and second portions extending radially from said inside surface. The first and second portions cooperate to form a channel, wherein the channel is configured to receive a pin of a male latch member and cause the female latch member to rotate relative to the male latch member, while the female latch member and the male latch member alternate between latched and unlatched configurations as the female latch member reciprocates along the central axis relative to the male latch member. The female latch member and the male latch member temporarily engage one another when latched.

Abstract: The invention relates to a screw, comprising a drive, a drilling tip for producing a bore, said bore having a bore axis and a bore diameter, which drilling tip is spaced apart from the drive in a drive-in direction, and a shaft, which extends from the drive to the drilling tip, wherein the shaft has a stop section, which can be fed through the bore when the drive-in direction of the screw is tilted in relation to the bore axis and which has a stop surface for blocking the feeding of the stop section through the bore when the drive-in direction of the screw is oriented parallel to the bore axis.

Abstract: A fastening device may include a first member configured for forceful engagement with a second member. The first member may include a sensor configured to emit at least a first photo-luminescent signal to a detector when at least a predetermined first torque level is applied to the first member when the first and second members are engaged.

Abstract: A bolt tension gauging device is provided. The bolt tension gauging device includes a sensing bolt, a head and a displayer. The sensing bolt is for transmitting a stress signal. The head is for fitting with the sensing bolt. The displayer is connected to the head for displaying the stress signal.