Abstract: A computing device cooling system comprising a heat transport element for transferring heat from a heat generating component of a computing device to a heat dissipation element of the computing device, the heat transport element having at least one flexible section to facilitate bending of the heat transport element.

Abstract: The invention provides related apparatus and methods of making an integrated electrospray tip by depositing ionic and/or electronic conductor materials onto a planar substrate. The invention also features methods of forming an electrospray apparatus comprising coupling a first planar substrate to the surface of a second planar substrate, wherein a surface on at least one of the substrates includes one or more microfluidic channels and/or reservoirs which are at least partially or totally enclosed therebetween. The conductive regions of the apparatus do not intersect the microfluidic channels within other portions of the apparatus provided preferably. The invention further provides related apparatus and methods for manufacturing and using microfluidic devices with integrated electrodes for electrospray ionization.

Abstract: A position measuring system, especially for hydraulic valve, having a pressure tube to accommodate an armature is provided, whereby the pressure tube is manufactured by deep-drawing. As a result, a cost-effective manufacturing process can be employed for the pressure tube. The pressure tube can be firmly attached to a valve housing by means of a holding element and, optionally, an attachment flange.

Abstract: The invention proposes a device for active and/or passive supply of fluids comprising a microfluidic component with an inlet and optionally an outlet, a strip conductor which is electrically conductingly connected to the microfluidic component, and a carrier on which the microfluidic component is fixed. In order to provide a simple and inexpensive fluidic connection of the microfluidic component, in accordance with the invention, the carrier is formed by a board comprising the strip conductor, which has one passage channel which is flush with the inlet and optionally one which is flush with the outlet of the microfluidic component, and wherein a feed line for the inlet or an outlet line for the outlet is formed by a channel opening into the passage channel, wherein the channel is formed on the side of the board facing away from the microfluidic component by one groove-like recess each. The microfluidic component can e.g.

Abstract: The present invention pertains to a miniature flexible thrombectomy catheter having one or more flexible miniature noncollapsing tubular portions including pushable and torqueable structure for introduction into the smaller vessels in neurovascular regions. A jet body having an arcuate fluid jet emanator is incorporated in order to minimize size at the distal portion of a minimally sized catheter tube.

Abstract: A microfluidic device for guiding the flow of a fluid sample is disclosed. The microfluidic device comprises a base plate (1) that extends in two lateral directions and has at least one through-going recess (1.1) in the vertical direction; a flow-through unit (2) that has at least a first and a second flow-through site (3.1, 3.2); and a plate structure (4). The flow-through unit (2) is arranged relatively to the recess (1.1) of the base plate (1) so that a vertical fluid flow from one side of this arrangement to the opposite side through each of the first and the second flow-through sites (3.1, 3.2) is enabled. Further, the plate structure (4) and the flow-through unit (2) are arranged relatively to each other so that a linking channel cavity (41) is formed for enabling a lateral fluid flow from the first to the second flow-through site (3.1, 3.2).

Abstract: A method of assembling a port assembly in a cavitation chamber, typically a spherical chamber, is provided. The method is comprised of the steps of boring a port in a cavitation chamber wall, positioning a cone-shaped member within a corresponding cone-shaped surface of a mounting ring, positioning the mounting ring within the port, and locking the mounting ring within the port with a retaining ring. The largest diameter of the cone-shaped member corresponds to the cavitation chamber internal surface. The member can be a window, gas feed-thru, liquid feed-thru, mechanical feed-thru, sensor, sensor coupler, transducer coupler or plug. The member can be secured within the mounting ring with an adhesive. The retaining ring can be coupled to the cavitation chamber external surface with one or more bolts. The port in the cavitation chamber is preferably cone-shaped with the largest diameter of the port corresponding to the cavitation chamber external surface.

Abstract: The present invention relates to microfluidic devices, and in particular, flow management in such devices. In particular, the present invention provides an electrostatic valve for flow manipulation in a microfluidic device. The valve of the present invention sits on a valve seat in a microchannel and deflects away from the valve seat by electrostatic actuation to assume an opened configuration to allow fluid flow.

Abstract: A butterfly valve of a swirl system for an internal combustion engine; the butterfly valve displays: a shaft which is rotationally mounted within an intake channel to rotate about a rotation axis; and a butterfly valve plate which is rigidly connected to the shaft and is provided with a seat, which is coaxially arranged with respect to the shaft and accommodates the shaft within itself.

Abstract: A substrate mounting table includes a plate shaped member provided with a mounting surface for mounting a substrate thereon, a plurality of gas injection openings opened on the mounting surface to supply a gas toward the mounting surface, and a gas supply channel for supplying the gas through the gas injection openings; and a thermally sprayed ceramic layer covering the mounting surface. At least inner wall portions of the gas supply channel are formed in curved surface shapes, the inner wall portions facing the gas injection openings.

Abstract: The invention relates to hydroelectric generating plants which may be prefabricated and subsequently exchanged for preexisting radial water control gates. The hydroelectric generating plant disclosed herein may be particularly advantageous for hydroelectric development of projects with preexisting submergible radial gates. Various configurations are disclosed which maximize generating capacity, hydraulic efficiency, and flood flow capacity, while minimizing weight and cost.

Abstract: Provided are a braille display device using an electrorheological fluid and a method for manufacturing the same. The braille display device includes: a base body in which a plurality of insulating reception grooves are formed; a first electrode arranged below the base body; an electrorheological fluid received in the reception groove; a microcapsule having an electrophoresis particle which is dispersed in the electrorheological fluid; a second electrode arranged above the microcapsule; a braille pin installed above the second electrode; and a braille pin protection film arranged above the braille pin.

Abstract: An airbag inflator (1) for motor vehicles, more specifically an airbag inflator which is adapted to reduce high sound levels generated by the streaming of a gas flow out of the outlet into ambient air, which airbag inflator comprises at least one gas outlet (9) which is adapted to reduce high sound level generated by the streaming of a gas flow out of the outlet into ambient air. The gas outlet (9) of the airbag inflator (1) has an orifice (10;18) that is non-circular. When in use, the non-circular orifice (10; 18) of the gas outlet (9) enhances the mixing of the gas flow with the ambient air and thus provides for a reduction of the sound level caused by the gas flow.

Abstract: The microfluidic device includes a rotatable platform, a plurality of connection ports disposed at a portion of the platform proximate to a shaft connection hole, the plurality of connection ports capable of being connected to an external connector for selectively injecting and discharging fluid and being closed by the connector, a trap chamber disposed at a portion of the platform further away from the shaft connection hole than the plurality of connection ports, the trap chamber including an inlet connected with at least one connection port of the plurality of connection ports, an outlet connected with another connection port of the plurality of connection ports and structures which enlarge a contact area with the fluid and a temporary storage including an inlet connected with the outlet of the trap chamber and an outlet connected with another connection port of the plurality of connection ports.

Abstract: A method for manufacturing a differential pH probe body by forming a plurality of tube shaped segments where each of the plurality of tube shaped segments comprises a first section formed from a pH sensitive material and a second section formed from a non-pH sensitive material. Coupling the plurality of tube shaped segments together end-to-end to form the differential pH probe body where the pH sensitive sections alternate with the non-pH sensitive sections and then closing one end of the differential pH probe body.

Abstract: Test strips designed to prevent or reduce false results when measuring the condition of a sample are provided. The test strips can be used for analysis of samples by methods including electrical and optical measurements. The reagent test strips and methods are particularly suited for use in the detection of blood coagulation.

Abstract: Methods are provided for making a reservoir-based sensor device. The method may include fabricating a first substrate portion which comprises an upper surface, an opposed lower surface, a plurality of through holes defining reservoirs between said upper surface and said lower surface, and a plurality of reservoir caps closing off one end of said through holes at said upper surface; fabricating a plurality of sensors on an upper surface of a second substrate portion; aligning the first and second substrate portions such that each of said plurality of sensors is in alignment with each of said plurality of reservoirs; and bonding together the lower surface of said first substrate portion and the upper surface of said second substrate portion to seal each of said sensors inside the reservoir with which it is aligned.

Abstract: A method of assembling multiple port assemblies in a cavitation chamber is provided. The method is comprised of boring at least two ports of different sizes in a cavitation chamber wall of the cavitation chamber. The external port diameter of the smaller port is smaller than that port's internal port diameter. A member selected from the group consisting of windows, plugs, feed-throughs, sensors, transducers and couplers is inserted into the chamber through the larger port and positioned within the smaller port. The member can be secured within the smaller port with an adhesive. A mounting ring/retaining ring, retaining coupler or port cover seals the second, larger port. A second member selected from the group consisting of windows, plugs, feed-throughs, sensors, transducers and couplers can be positioned within a cone-shaped port within the mounting ring or retaining coupler. A feed-thru, sensor, transducer or coupler can be integrated into the port cover.

Abstract: An inflation needle for inflating an object such as a sports ball includes a tubular body having an attachment end configured for engagement with a fluid supply. The body fairs into a tubular probe extending along a longitudinal axis from a proximal end to a distal end configured for being inserted into the ball. A concavo-convex base extends radially outward from the body and towards the distal end, terminating at a periphery spaced radially from the probe, the base being configured to engage the object upon insertion of the probe therein. The inflation needle is a unitary, molded polymeric component.

Abstract: In the fluid mixing method, a plurality of fluids are distributed through respective independent supply flow channels to come into confluence in a mixing field in microspace to mix with each other to form a mixed fluid, and the mixed fluid is discharged from the mixing field through a discharge flow channel. The fluid mixing method includes: a dividing step of dividing at least one of fluids to distribute; a flow contracting step of contracting the fluids after the dividing step immediately prior to confluence to the mixing field; a confluence step of bringing the contracted fluids into confluence so as to intersect at one point in the mixing field to mix the fluids; and a discharge step of discharging the mixed fluid from the mixing field.

Abstract: A method for making a liquid discharge head including liquid discharge openings, a liquid channel having pressure chambers communicating with the liquid discharge openings, and piezoelectric elements corresponding to the pressure chambers and arranged in the form of teeth of a comb includes the steps of filling gaps between the piezoelectric elements with a filler; forming a liquid channel pattern on a flat surface including the end faces of the piezoelectric elements and the filler filling the gaps between the piezoelectric elements; forming a coating layer on the liquid channel pattern; and removing the liquid channel pattern to form the pressure chambers.

Abstract: A unitary structure (10) is comprised of two or more planar substrates (30, 40) fused together by a glass or glass-ceramic sintered patterned frit material (20) disposed therebetween. The pattern of the sintered patterned frit material defines passages (70) therein, and the sintered patterned frit material (20) has a characteristic minimum feature size (60) in a direction parallel to the substrates. Particles of the frit material have a poly-dispersed size distribution up to a maximum frit particle size, in a maximum length dimension, and the minimum feature size (60) of the sintered patterned frit material is greater than 2 times the maximum frit particle size, desirably about 3 times or more, and less than 6.25 times the maximum frit particle size, desirably about 5 times or less, most desirably about 4 times or less. A method for making the structure (10) is also disclosed.

Abstract: A float operated fuel vapor vent valve has body structure with an annular mounting flange formed of material weldable to a fuel tank and the flange is spin welded to the tank. The float has surfaces thereon which slidably engage corresponding surfaces in the float chamber to prevent relative rotation of the float with respect to the valve body during spin welding. An optional pressure relief valve in the vent outlet also has surfaces slidably engaging the vent passage to prevent relative rotation during spin welding.

Abstract: A method for selecting a resin or rubber material to construct an ink flow passage of an ink-jet recording apparatus includes immersing the resin or rubber material in water at 60° C. for 2 weeks in a tightly closed vessel, and determining an amount of eluted fatty acid derivative. If the amount of fatty acid derivative is not more than 20 ppm with respect to a total amount of the resin or rubber material, it is judged that the resin or rubber material is appropriate as the material for the ink flow passage. It is possible to select, by the convenient method, the material which is most suitable for the actual condition of use, without examining components and compositions of respective materials.

Abstract: A method of manufacturing a Coriolis flowmeter for the measurement of a process material requiring an ultra high level of purity. This is achieved by forming the entire flow path of the Coriolis flow meter from a PFA plastic material that does not transfer ions from the Coriolis flowmeter to the process material flowing through the flowmeter.

Abstract: A method of installing a piston position sensor proximate to a closed end of a hydraulic cylinder is provided. The sensor is attached to the face of a piston and that piston/sensor combination is inserted into the cylinder tube to position the sensor in the desired location. When properly located within the cylinder tube, the sensor is affixed to the cylinder tube by means of beveled holes in the sensor that receive bolts threadedly inserted through the cylinder tube to further properly align the sensor within the cylinder tube. When so affixed, the sensor is then detached from the piston so that the piston can thereafter move independently of the sensor. A fixture is also used that allows the assembler to accurately align the angular orientation of the sensor prior to being inserted into the cylinder tube.

Abstract: A method of constructing a port assembly for use with a single piece cavitation chamber, typically a spherical chamber, is provided. The port assembly includes a cone-shaped port, a cone-shaped mounting ring and a central member mounted within the mounting ring. The mounting ring is located within the chamber prior to the final assembly of the chamber itself, i.e., at a time in which the chamber is comprised of multiple pieces. After the final assembly of the chamber is complete, a central member such as a window, plug, gas feed-thru, liquid feed-thru, mechanical feed-thru or sensor assembly is placed within the chamber. The mounting ring is then pulled into place within the cone-shaped port, followed by the central member. To expedite assembly, specialized tools can be used to pull the mounting ring and the central member into place.

Abstract: A device and process for vertically extracting diffusers from a wastewater treatment tank where the diffusers are attached to a device having a lifting point and a pivot extraction point. The device and diffusers are lifted from the bottom of the tank until there is a clearance between the diffusers and the bottom of the tank, and then a pulling member attached to the pivot extraction point is pulled to pivot the device and the diffusers to align the diffusers with the hole. The diffusers and the device can then be extracted vertically through the hole.

Abstract: An ink jet recording head and a process for producing the same, and an ink jet recording apparatus are provided that improve the printing performance and also improve the production efficiency. A conjugated body 73 formed by conjugating silicon wafers 50 and 58 is cut, whereby nozzles 22 are opened, and cutting into head chip units is carried out. At this time, deep grooves 84 are formed on the surface of the silicon wafer 58 by anisotropic etching, and they are penetrated by etching on the opposite side. Grooves 90 are formed on the silicon wafer 50 by using the thus penetrated deep grooves 84 as a mask.

Abstract: A tree harvesting guide bar adapted for treating stumps with a treatment material as the tree is being harvested is provided, and more particularly a valve arrangement for enabling connection of the guide bar inlet to treatment material sources on a variety of different harvesting machines is disclosed, such that the inlet not connected to the treatment material source does not need to be independently and manually plugged to prevent undesirable outflow.

Abstract: In response to the recent various requests, the present invention provides a method for manufacturing filler neck to facilitate jointing a mouthpiece and a feeding pipe which were manufactured separately into an integrated filler neck having an excellent hermeticity. The method for manufacturing a filler neck 1 comprises the following steps: jointing an inner face of the circumferential wall portion 16 of a feeding pipe and an outer face of the circumferential wall portion 12 of the mouthpiece, and integrating with the mouthpiece 2 and the feeding pipe 3, wherein the outer of the mouthpiece and the inner face of the feeding pipe are in relation to be fitted in a press-fitted condition, a seam welding is executed to the welding area W provided in a range of the overlapped area S defined by the width of the circumferential wall portions.

Abstract: An adhesive tape constructed of a base material 11 and an adhesive layer 12 is used as a substrate 1. Droplets 2 formed of a liquid containing electrically conductive ultra-fine particles dispersed therein are disposed in a specified wiring pattern on the adhesive layer 12. The adhesive tape 1 is put into a hot-air oven 3 to dry the disperse medium from the droplets 2. Accordingly, a wiring layer 21 made of silver particles contained in the droplets 2 is formed on the adhesive layer 12 of the adhesive tape 1.

Abstract: There is disclosed a piezoelectric ceramic ink-jet print head and made by an inventive ultrasonic bonding process. Specifically, there are disclosed several improved features of ink jet print heads, including a more cost-effective bonding process using an ultrasonic bonding technique, an improved piezoelectric ceramic crystal pattern, and improved print head-piezoelectric electrical contacts. Further, there is disclosed an ultrasonic bonding process joining metallic objects with ultrasonic energy.

Abstract: In manufacturing a fuel inlet, bulge forming and bend processing are conducted to a stainless pipe which will serve as an inlet pipe. Next, one end of the stainless pipe is eccentrically expanded, and the hardened portion is removed. After the pipe expanding step is finished, boring processing is conducted so that a breather pipe can be inserted into the inlet pipe, a guide is spot-welded to the inside of the eccentrically expanded portion, and a screw structure is formed. The inlet pipe and the breather pipe are degreased and cleaned as a pretreatment for brazing, and brazing is conducted by using BAg-4 (Low-temperature brazing material) at a temperature of 750-850° C. Removing of the flux and cleaning are conducted as a post-treatment for brazing, and finally coating is conducted.

Abstract: A method for the production of an actuator device and an actuator device. The actuator device comprises a more particularly fluid power driven actuator able to move in a housing and a position detecting means, in the case of which by means of an exciting current from a current source an actuator in a magnetostrictive wave guide a concentric magnetic field may be produced, such wave guide being arranged along a working stroke of the actuator, such magnetic field being able to be so influenced by a position indicating magnet arranged on the actuator that an ultrasonic wave deforming the wave guide is obtained. A measurement means is present for the position of the position indicating magnet on the basis of measurement of the transit time of the ultrasonic wave. The wave guide and a return guide for the reflux of the exciting current to the current source are made available on an assembly stage in a predetermined amount suitable for measurement paths of different length, at which the actuator is assembled.

Abstract: An ink-jet recording head has a plate-shaped member including a first layer with a partition wall formed by a first etching process and defining a pressure chamber, an ink inlet passage and a common ink storage chamber, a second layer with a land formed by a second etching process so as to correspond to the pressure chamber, and an intermediate layer sandwiched between the first and the second layers. The recording head also has a pressure producing device disposed with its extremity in contact with the land, and a nozzle plate with a nozzle hole bonded to the front surface of the plate-shaped member. An ink particle is jetted through the nozzle hole when the pressure in the pressure chamber is changed by the pressure producing device.

Abstract: A method of manufacturing a fuel injector is disclosed. The method includes assembling a power group assembly with a valve group assembly to form the fuel injector. The power group assembly includes an overmold formed over a coil assembly. The valve group assembly includes a tube assembly formed by connecting an inlet tube to a valve body. The valve body includes a seat, a lower guide, and an armature/ball assembly disposed within the valve body. A retention member can be used to retain the power group assembly to the valve group assembly.

Abstract: A method for assembling a flap system for a gas turbine engine exhaust nozzle including a plurality of backbone assemblies facilitates extending a useful life of the exhaust nozzle. The method includes providing a flap basesheet having a width defined between a pair of side edges that are coupled together by a leading edge and a trailing edge, and including at least one stiffener that extends between the basesheet side edges and includes an intermediate portion that has a width that is smaller than that of the basesheet and is at least one of bonded to and formed integrally with the basesheet, and coupling the basesheet to the gas turbine engine with a backbone assembly.

Abstract: A method of forming a flowmeter having a case enclosing a single straight tube surrounded by a balance bar. The balance bar ends are coupled by means of a brace bar to the flow tube as well as by case connect links to the inner wall of the case. The flow tube projects beyond the case end and is sealably coupled to a cone connect element in the case end. A void is defined by the space between the flow tube outer surface and the inner surface of the cone connect element and the end flanges. The case connect links contain out of plane bends to accommodate a change in the effective diameter of the case and the balance bar with respect to each other due to changing thermal conditions.

Abstract: Disclosed is a manufacturing method of a liquid jet recording head which includes a forming step of forming a recess portion between a flexible film wiring board and a recording element board, a providing step of providing in the recess portion an electrical connecting portion for electrically connecting the flexible film wiring board and the recording element board, a membrane curing step of injecting first resin into the recess portion to cure the first resin in a membrane form, and a covering step of covering an upper portion of the electrical connecting portion and the first resin with second resin subsequent to the membrane curing step. The electrical connecting portion is protected against liquid droplets and the like, and its electrical reliability is improved.

Abstract: A hollow elastomer shell with an apex end and a base end with the apex end and the base end having support surfaces thereon to provide compressive support and a pressure equalizer to maintain substantial pressure equalization between the interior of the elastomer shell and the exterior of the elastomer shell to prevent a fluid pressure differential between the interior of the hollow elastomer shell and the exterior of the hollow elastomer shell from prematurely limiting an elastomeric response of the shock isolator.

Abstract: A method of construction of an inkjet printhead having a large array of inkjet nozzle arrangements by defining a single inkjet nozzle arrangement for the ejection of ink from a single nozzle and utilizing a series of translations and rotations of the single inkjet nozzle arrangement to define all the inkjet nozzles of the inkjet print head. The utilizing step can comprise: initially forming those nozzles in a pod; forming a group of pods corresponding to each color utilized in the print head; forming a firing group of pods; forming a segment of the printhead; forming each segment of the print head. The inkjet nozzle arrangements can include a series of layers deposited and etch utilizing a mask.

Abstract: A method for manufacturing a sliding part for a hermetic compressor is disclosed. Since the abrasion resistance and corrosion resistance of the sliding part is increased, the energy consumption efficiency is improved and the performance of the compressor can be enhanced. In addition, since the manufacturing process is shortened, the production cost can be reduced and the manufacturing time can be reduced. Moreover, since the thickness change of the sliding part is minimized, the defective rate of the part size can be reduced and its quality can be improved.

Abstract: A pipe joint is made by filling resin in at least an inside of a hole passed through the substrate and opened at the substrate's surface. A resin die is formed projected out of the surface of the substrate. A layer-form member is formed integrally at the surface of the substrate and side surface of the resin die. The resin forming the resin die is removed so as to integrally form the hollow projection communicating with the hole at the surface of the substrate.

Abstract: The present invention relates to an intraluminal medical device formed of a first base material and having a second material inlaid in the base material wherein at least one of said first material and said second material is more radiopaque than the other. The second material may be inlaid in the first either by swaging, rolling, or by coextruding the two materials. The second radiopaque material forms a substantially smooth surface with the first base material.

Abstract: A bifurcated stent for insertion into a bifurcated vessel such as a blood vessel. In one embodiment, a first sheet is formed into a first leg, a second sheet is formed into a second leg, a third sheet is formed into a stem, and the two legs are attached to the stem. In a second embodiment, a first sheet is formed into a member having a first leg and half of a stem, a second sheet is formed into a second member having a second leg and half of a stem, and the two stem halves are combined to form the bifurcated stent. In a third embodiment, the stent comprises two sections that are serially inserted and assembled within the vessel at the site of the bifurcation to be treated.

Abstract: An exhaust manifold flange for an internal combustion engine, for sealably connecting at least one stub pipe of an exhaust manifold to a wall of the engine, the flange has a basic part made of sheet steel provided with a bead which extends substantially around the entire outer contour of the basic part, at least one receiving hole with another bead therearound for securely receiving the at least one stub pipe in the manifold which has holes which are arranged for attaching the exhaust manifold flange to the wall of the internal combustion engine.

Abstract: A 96-well solid phase extraction (SPE) plate assembly comprises a common base plate having plural apertures (bores), and removable extraction cartridges (containers, tubes) extending through the bores. The plate assembly is mounted on a conventional 96-well plate vacuum manifold. The cartridges preferably snap into the base plate, but may also screw in. The apertures have annular counterapertures (counterbores) complementary to annular ridges protruding from the side walls of the cartridges. Each ridge snaps into a corresponding counteraperture. The modular design allows the end user to customize the extraction medium mix of the extraction plate assembly by inserting extraction containers having different sorbents into a common base plate. Gaskets are used to maintain a vacuum seal between the base plate and extraction cartridges, for maintaining a pressure gradient across the sorbents.