35th week of 2009 patent applcation highlights part 34 |
Patent application number | Title | Published |
20090214292 | Encapsulated manhole cover - Embodiments of the present invention relate to a cover for a manhole or similar structure that encapsulates a traditional cover so as to extend the height of the cover. Generally, a conventional manhole cover is partially or entirely encapsulated in polyurethane to change its outside dimensions to match the environment of an intended location. | 2009-08-27 |
20090214293 | Road Surface Overlay System - A road surface overlay system including a road surface, an adhesive material that is applied to a portion or all of the road surface, a woven member including fiber bundles, wherein each of the fiber bundles are substantially embedded in the adhesive material and a layer of aggregate applied onto the woven member and the adhesive material. A method of forming a road surface overlay system is also provided. | 2009-08-27 |
20090214294 | CONCRETE FINISHING APPARATUS - A concrete finishing apparatus and method for smoothing and flattening partially set-up concrete to a close-tolerance surface includes a movable unit that is movable and supported at a partially set-up concrete surface and at least one rotatable ring finishing member mounted to the movable unit. The rotatable ring finishing member is positioned at the concrete surface and rotatable to engage and finish the surface of the partially set-up concrete to a higher quality, closer-tolerance flat and level concrete floor surface. The apparatus may include a pair of rotatable ring finishing members that may be rotatable in opposite directions to enhance the floating and finishing processes and to transport any cement paste, sand, small aggregate, or concrete mix residue forward with the rotatable ring finishing members working surfaces to cut high areas and fill in any low areas as the concrete finishing apparatus moves over the partially set-up concrete. | 2009-08-27 |
20090214295 | Tamper device with replaceable tool head assembly - A hand or mechanically powered tamper tool which has a removeable, replaceable, tool head assembly. The tool head assembly is a separable component from the upper section of the tamper tool which consists of the mounting plate and its attached tamper handle. The tool head assembly has a rubber or similarly resilient material pad bonded to the underside of a backing plate. Connection elements, such as bolts, are permanently secured between the pad and the backing plate. The bolts extend through and are upstanding from the backing plate. The bolts are configured to then extend through openings in the tamper mounting plate, where nuts are used to secure the tool head assembly to the mounting plate. The tool head assembly is thus removeable from the mounting plate and its handle or supporting element and allows for the simple and ready replacement of a used and worn tool head assembly with a new tool head assembly. | 2009-08-27 |
20090214296 | Aquifer Replenishment System - A concrete structure for replenishing an aquifer and a method for constructing the same is provided. The structure is comprised of a pavement layer with surface drains that extend through the pavement layer and into an aggregate leach field. The leach field includes leach lines spanning the leach field. An aggregate drain extends from the leach field into a sand lens. Precipitation which falls upon the structure thus flows through the surface drain, absorbed into the aggregate leach field, and transported to the aggregate drains by way of aggregate leach lines. The water is then absorbed into the sand lens, ultimately replenishing the aquifer. Existing conventional pavement structures are retrofitted by the removal of a section of the pavement, and filling the same with porous concrete. | 2009-08-27 |
20090214297 | REINFORCEMENT RIB AND OVERHEAD STRUCTURE INCORPORATING THE SAME - A reinforcement rib for an overhead structure comprises a pair of sidewalls and a top wall that bridges one end of each sidewall. A lower flange extends outwardly from an opposite end of each sidewall. Each lower flange is adapted to be secured to the overhead structure. | 2009-08-27 |
20090214298 | STABILISING OF SUBMARINE ELONGATE STRUCTURES - A stabilisation system ( | 2009-08-27 |
20090214299 | METHOD AND SYSTEM FOR INSTALLING GEOTHERMAL HEAT EXCHANGERS, MICROPILES, AND ANCHORS USING A SONIC DRILL AND A REMOVABLE OR RETRIEVABLE DRILL BIT - There is provided a method for drilling a cased hole and installing a micropile. A sonic drilling apparatus is positioned at a desired location. The sonic drilling apparatus includes a rotating and vibrating apparatus for rotating and vibrating a drill string into the ground. A retrievable drill bit is operatively connected to the drill string. The cased hole is drilled to a desired depth by rotating and vibrating the drill string into the ground. The retrievable drill bit is retrieved from the cased hole following the drilling of the cased hole to the desired depth. A micropile is lowered into the cased hole following the retrieval of the retrievable drill bit. Grouting material may be discharged into the cased hole before or after the drill string is removed from the ground. In another embodiment, a removable drill bit may be used in place of the retrievable drill bit. | 2009-08-27 |
20090214300 | DEVICES, SYSTEMS, AND METHODS FOR MEASURING AND CONTROLLING COMPACTIVE EFFORT DELIVERED TO A SOIL BY A COMPACTION UNIT - According to various embodiments, devices, systems, and methods are provided for controlling a compactive effort delivered to a soil by a compaction unit. A device, according to one embodiment, includes a compaction unit ( | 2009-08-27 |
20090214301 | Combination wall with tube pile connectors - A combination wall ( | 2009-08-27 |
20090214302 | Control of slurry flow - One aspect of the invention concerns a method of controlling a flow of slurry pumped through a non-vertical pipeline ( | 2009-08-27 |
20090214303 | POSITIONING DEVICE FOR CUTTING TOOLS IN TOOL CASES - A positioning device for chip removing tools, in particular turning tools of chip removing machines like turning and milling machines or similar, in tool holders, in particular collet holders, clamping holders and shrink holders, having a receiver for the tool holder, which comprises first positioning means, in particular an engagement- or index groove, wherein in the tool holder receiver second positioning means are provided, which predetermine the first angular position α of the tool holder with reference to the tool holder receiver through engagement with the first positioning means, wherein the tool holder is aligned in the tool holder receiver with its longitudinal axis along a first axis, wherein a tool receiver is provided, which fixates the tool in a second annular position β with respect to the tool receiver, wherein the tool is aligned with its longitudinal tool axis along a second axis and the tool receiver is moveable with respect to the tool holder receiver, so that the tool is insertable into the tool holder, wherein the tool holder receiver and the tool receiver are disposed relative to each other, when inserting the tool into the tool holder, so that the first axis and the second axis are identical and the second annular position is defined with reference to the first angular position. | 2009-08-27 |
20090214304 | HELICAL MILLING CUTTER - A cutting tool having an outer surface with a plurality of inserts connected to a distinct pocket extending generally radially on the outer surface. The cutting inserts are arranged in a helical array on the outer surface in a manner that at least one cutting edge of each cutting insert is spaced in an angular circumferential direction from the pocket of the next adjacent cutting insert. The spacing of the inserts is such that a distinct point on the each one of the one or more cutting edges define part of a layout line having a non-uniform slope. | 2009-08-27 |
20090214305 | COOLANT NOZZLES FOR MILLING CUTTERS - A milling cutter | 2009-08-27 |
20090214306 | Coated Cutting Tool Insert - The present invention discloses a coated cutting tool insert particularly useful for dry and wet machining, preferably milling, in low and medium alloyed steels, stainless steels, with or without raw surface zones. The insert is characterized by a WC-TaC-NbC-Co cemented carbide with a W alloyed Co-binder phase and a coating including an innermost layer of TiC | 2009-08-27 |
20090214307 | HIGH SPEED HAND DRILL WITH SWIVELING PRESSURE FOOT AND INTEGRATED VACUUM PICKUP AND COOLANT DELIVERY DUCT - A high speed handheld power drill includes a housing with a motor, a chuck rotationally driven by the motor, and a drill bit clamped in the chuck. A pressure foot is mounted on the housing for coaxial rotation about the drill bit and lockable in a selectable angular position relative to the housing. A drill guide is slidably disposed within the pressure foot at an outer end thereof and biased for coaxial sliding movement between the drill bit and pressure foot. A vacuum cuttings pickup and coolant fluid delivery tool is coupled to the drill guide and arranged to deliver coolant fluid to the drill bit and to remove drill cuttings and coolant fluid and vapor therefrom during drilling. A coolant fluid reservoir is coupled to the drill motor housing and adapted to deliver selectably metered amounts of coolant fluid to the cuttings pickup and coolant delivery tool during drilling. | 2009-08-27 |
20090214308 | SYSTEMS AND METHODS FOR DRILLING HOLES IN PRINTED CIRCUIT BOARDS - An entry sheet comprising polymer material for drilling printed circuit boards is provided. The entry sheet is suitable for use with a broad range of diameters, including commonly available drill diameters. The entry sheet comprises an adhesive epoxy configured to, among others, resist drill deflection, resist mechanical damage, and reduce to dust such that the entry sheet may increase drilling accuracy, protect printed circuit board from damage, minimize entry burrs, and may addresses other issues such as fliers, bird nesting, and the like. | 2009-08-27 |
20090214309 | High performance cutting tools - An improved cutting tool for drilling complex holes in a workpiece such as an automotive aluminum wheel, in which the tool has a shank and an integrally formed support section. A cutter insert secured in the support section. The cutter insert is formed with opposed flutes along the longitudinal axis of the tool. The tool is improved by reducing cutting forces and optimizing chip disposal, thereby cutting costs by reducing the load requirements for drilling holes, and this is accomplished by creating a positive rake angle at the flutes. | 2009-08-27 |
20090214310 | HOLE SAW - A hole saw includes an arbor, a saw blade assembly having a saw blade and an adapter connected with the saw blade and provided with a protrusion received in an indentation of the arbor, a lid movably mounted on a body portion of the arbor and movable relative to the arbor between a first position where second coupling portions of the adapter are blocked by a block portion of the lid and coupled to first coupling portions of the arbor such that the saw blade assembly can't be rotatable relative to the arbor, and a second position where the second coupling portions of the adapter are staggered with the block portion and uncoupled from the first coupling portions of the arbor through the rotation of the saw blade assembly. Thus, the hole saw has the advantages of reducing vibration in use and convenience in assembly and disassembly works. | 2009-08-27 |
20090214311 | Spiral tap - As shown in FIG. | 2009-08-27 |
20090214312 | METHOD FOR OPTIMIZED MILLING CLOSE TO THE FINAL CONTOUR - A method for optimized milling of workpieces close to the final contour, in particular chamfers on turbine blades, is disclosed. The method is characterized in that a numeric optimization method is provided for the automatic control of the kinematic sequences of motion, wherein an additional rotation around an axis parallel to the tool axis is optimized in terms of kinematic and/or kinetic and/or workpiece-specific manufacturing criteria. With the method, it is possible to achieve optimum results in the milling of chamfers close to the final contour or in the deburring of workpiece edges. In this case, the method makes it possible in particular to make available a path optimization that is required in order to achieve an optimum processing result, wherein this optimization is preferably automated and can take place within a short time. In addition, the inventive method achieves a high level of series stability in manufacturing. | 2009-08-27 |
20090214313 | MACHINING UNIT AND MACHINE TOOL - A machining unit that is supported on a machine tool and machines a workpiece by a revolving tool with a main spindle section being driven and rotated includes an eccentric rotational section, a tool holder, a tool revolution-radius changing mechanism, and a cutting-edge-orientation correcting mechanism. The eccentric rotational section is disposed on the main spindle section, and is rotatable about an eccentric axis that is located eccentrically at any distance in a radial direction of the main spindle section from a rotation center of the main spindle section. The tool holder is disposed on the eccentric rotational section, and supports the tool. The tool revolution-radius changing mechanism moves the tool in the radial direction, and changes the radius of the revolution of the tool by rotating the eccentric rotational section about the eccentric axis. The cutting-edge-orientation correcting mechanism corrects the orientation of a cutting edge of the tool by making the tool holder spin about an axis of the tool holder, the axis being parallel to the rotation center of the main spindle section. | 2009-08-27 |
20090214314 | Wheel Chair Docking System - A docking system for securing a wheelchair into a vehicle in which docking fixtures are firmly attached to the frame of the wheelchair and the floor of the vehicle, either directly or by attachment to a support which is attached to either the frame of the wheelchair or the floor of the vehicle. A male docking fixture is mounted on a support to the underside of the wheelchair, which is positioned in the vehicle so that the male docking fixture and the female docking fixture are aligned and the male docking fixture can be slideably and releasably locked with the female docking fixture. Preferably, the female docking fixture includes an electrically operated, spring loaded, release mechanism, and may also include a slide mechanism to allow limited forward and rearward movement of the wheelchair while under restraint. | 2009-08-27 |
20090214315 | Drop-in anchor for concrete structures - A radially expansible sleeve to provide part of a drop-in anchor for receipt in a bore formed in a concrete structure. The sleeve has arcuate protrusions with knife-like distal edges extending therearound. Upon radial expansion of the sleeve, the knife-like edges cut into the interior surface of the bore to anchor the sleeve in place. | 2009-08-27 |
20090214316 | Stud Fastener and Stabilising Device - The invention relates to a stabilising device ( | 2009-08-27 |
20090214317 | WELD STUD - A welding stud including a head and a shank extending from the head. The shank has an end region opposite the head and the end region includes at least two angled surfaces which incline towards an axis of the shank in a direction moving away from the head. | 2009-08-27 |
20090214318 | INSERT WALL ANCHOR FOR A GRAB BAR - A grab bar is attached to a wall with at least one anchor assembly. The anchor assembly can be removed and repeatedly used as needed. The anchor assembly includes a vertical support beam, a flange arm assembly having a base portion and an arm portion, and a spring. The spring is attached to the vertical support beam and cooperates with the arm portion to hold the flange arm assembly in place during installation. The base portion of the flange arm assembly has a flange that fits against a wall surface of the wall structure, and the arm portion is received within a slot formed within the vertical support beam. The flange prevents the flange arm assembly from falling behind the wall structure. | 2009-08-27 |
20090214319 | Fastening device and an unlocking and placement tool for such a fastening device - The invention relates to a fastening device comprising an outer tubular body, an axially slidable tubular body inserted into the core, a spring mounted inside the tubular body which, on the one hand engages with the core and on the other hand engages with the tubular body, at least one opening in the wall of the tubular body and an axially slidable locking member which extends through the opening and is positioned in abutment against the core. Said core is provided on its upper end with an abutment surface which can engage with a tool for axial movement of the core between a locking position in which a locking part of the core is positioned in abutment against the locking member and a release position in which a relatively narrow release part of the core is disposed opposite the locking member in a radial direction. The invention is characterized in that the core is pressed in an upward direction by the spring member into the locking/securing position, whereby the core can be brought into the release position by pressing the spring in a downward direction. | 2009-08-27 |
20090214320 | Development in Beam Type Fasteners - The invention provides a fastener ( | 2009-08-27 |
20090214321 | SELF-DRILLING SCREW AND METHOD OF MAKING THE SAME - A self-drilling screw includes a head portion, a shank portion having an externally threaded section, and a drilling portion opposite to the head portion. The drilling portion has a main section and a tip section, two flutes extending helically through the main and tip sections, and two lands extending helically between the flutes. Each of the lands has a tapered face extending in the tip section and between the flutes, and a drilling edge formed on one end of the tapered face. | 2009-08-27 |
20090214322 | Method and Device for Opening Cans - An indented portion under the opening ring in a can with a ring pull up and open mechanism to ease the opening process of cans. Option of advertising, lotteries and other marketing methods using the indentation to house such marketing literature. | 2009-08-27 |
20090214323 | SUBSTRATE CARRIER SYSTEM - A substrate carrier system is provided for physical management of substrate(s) during a variety of assembly techniques performed on the both sides of the substrate(s) without dismounting or changing carrier systems. | 2009-08-27 |
20090214324 | Adaptable container handling system - An adaptable handling system featuring a boundary subsystem and one or more robots. Each robot typically includes a chassis, a container lift mechanism moveable with respect to the robot chassis for transporting at least one container, a drive subsystem for maneuvering the chassis, a boundary sensing subsystem, a container detection subsystem, and a controller. The controller is responsive to the boundary sensing subsystem and the container detection subsystem and is configured to control the drive subsystem to follow a boundary once intercepted until a container is detected and turn until another container is detected. The controller then controls the container lift mechanism to place a transported container proximate the second detected container. | 2009-08-27 |
20090214325 | INTERCHANGEABLE TRUCK RAIL-RAMPS WITH ENHANCED SURFACE TRACTION - The present invention is directed to a set of interchangeable truck rails for providing an enclosure on the back of a flat bed truck including a first rail, a second, a set of attaching devices, and a set of traction devices to allow a person to enclose the back of a flat bed truck, as well as providing a set of ramps for moving large items onto the back of the flat bed truck. The ramps have enhanced tractions. | 2009-08-27 |
20090214326 | SYSTEM AND METHOD FOR INSPECTING CHIPS IN A TRAY AND TRAY HANDLING APPARATUS THEREOF - A tray handling apparatus comprises a plurality of guides, a chuck device, a linear movement device, and a rack and pinion device. A space defined by the erected guides is used to hold a tray stack. The chuck of the chuck device is located at the center position of the bottom area of the space. The linear movement device is used to move the chuck relative to the guides. The rack and pinion device is used to cause the guides to move symmetrically. When an operator moves any one of the guides, the other guides move symmetrically and the center of the bottom area of the space surrounded by the guides remains at the same location during the movement of the guides. The operator does not need to adjust the position of the chuck if the positions of the guides are changed. | 2009-08-27 |
20090214327 | Fan track liner assembly - A fan track liner within a rotor blade assembly | 2009-08-27 |
20090214328 | BLADES FOR GAS TURBINE ENGINES - A blade for a gas turbine engine comprises an aerofoil having a root portion, a tip portion located radially outwardly of the root portion, and leading and trailing edges extending between the root portion and the tip portion. A shroud extends transversely from the tip portion of the aerofoil and the aerofoil defines interior cooling passages which extend between the root portion and the tip portion. The aerofoil includes a wall member adjacent the trailing edge and a support structure extending from the wall member to the shroud to support the shroud. The support structure permits a flow of cooling air from a cooling passage to the trailing edge at a region proximate the tip portion of the aerofoil. Optionally, the aerofoil also includes a flow disrupting arrangement. | 2009-08-27 |
20090214329 | FILTER SYSTEM FOR BLADE OUTER AIR SEAL - A gas turbine engine component having a filter mounted adjacent an impingement cavity to filter particles out of a secondary cooling airflow outboard of a cooling channel in communication with the secondary cooling airflow. | 2009-08-27 |
20090214330 | VARIABLE-NOZZLE ASSEMBLY FOR A TURBOCHARGER - A variable-nozzle assembly comprises a nozzle ring and an array of vanes circumferentially spaced about the nozzle ring and rotatably mounted to the nozzle ring such that the vanes are variable in setting angle, and an insert having a tubular portion and an annular nozzle portion extending generally radially out from one end of the tubular portion. A plurality of axially extending holes extend through a thickness of the nozzle portion. A plurality of spacers have first ends joined to the nozzle ring, opposite second ends of the spacers being engaged in the holes and secured to the nozzle portion by welds formed at the second surface. An annular groove is defined in the second surface of the nozzle portion radially inward of and proximate to the holes. Alternatively or additionally, discrete recesses are formed in the second surface adjacent the holes. The groove and/or recesses facilitate weld penetration. | 2009-08-27 |
20090214331 | Curved tooth coupling for a miniature gas turbine engine - A rotor assembly for a miniature gas turbine propulsion system comprises a centrifugal compressor wheel, a turbine wheel, a shaft and a tie bolt. The centrifugal compressor wheel includes a first curved tooth coupling, and the turbine wheel includes a second curved tooth coupling interconnected with the first curved tooth coupling. The shaft extends from the centrifugal compressor wheel, and the tie bolt extends between the shaft and the turbine wheel to bring the first curved tooth coupling into compression with the second curved tooth coupling. As such, the compressor wheel and the turbine wheel are assembled and remain, over the operational envelope of the propulsion system, in a reliably robust aligned configuration. | 2009-08-27 |
20090214332 | MULTISTAGE PUMP ASSEMBLY HAVING REMOVABLE CARTRIDGE - A multistage pump assembly includes a manifold having an inlet port configured to be coupled to a supply pipe and an outlet port configured to be coupled to a discharge pipe. The inlet and outlet ports define an end suction, radial outlet port configuration. The pump assembly also includes a cartridge having a sleeve and plurality of pumping stages that define a pump stack received within the sleeve. An outer chamber is defined between the pump stack and the sleeve. Each of the pumping stages includes an impeller mounted along a pump shaft that rotates about a rotation axis. The cartridge is aligned horizontally such that the rotation axis is substantially horizontal. An end plate is positioned between the manifold and the cartridge and includes at least one cartridge engagement surface supporting the cartridge. The end plate is removably coupled to the manifold. | 2009-08-27 |
20090214333 | DIFFUSER-NOZZLE ASSEMBLY FOR A TURBOMACHINE - A diffuser-nozzle assembly mounted at the outlet from a centrifugal compressor comprising a plurality of vanes carried by a radially inner wall forming a surface of revolution and surrounded by an outer casing, elastically deformable means being interposed between the radially outer ends of the vanes of the nozzle and the outer casing, these means preventing air from passing between the outer casing and the radially outer ends of the vanes. | 2009-08-27 |
20090214334 | CENTRIFUGAL COMPRESSOR - A centrifugal compressor can be provided with which frequency of noise produced by rotation of the impeller having a plurality of blades does not resonate with natural frequency of vibration of gas in a plurality of axial slots which serve to increase gas flow rate in an operation range of increased gas flow rate and broaden stable operation range in an operation range of decreased gas flow rate resulting in reduction of noise caused by rotation of the impeller. The axial slots are formed between the peripheral part of the inlet passage of the compressor housing by the peripheral surface of the inlet passage and an annular ring part of the housing supported by a plurality of struts extending from the peripheral surface, four or more struts are provided to support the annular ring part, and all but one of them are located at positions which will be determined when all the struts are located at circumferentially equal spacing and one of the struts is shifted circumferentially from one of said positions by a certain central angle. | 2009-08-27 |
20090214335 | METHOD OF REPAIR FOR CANTILEVERED STATORS - A method for repairing a cantilevered stator vane includes removing a damaged portion leaving a remaining vane portion. A supplemental airfoil portion is then selected and is attached to the remaining vane portion to provide a repaired cantilevered stator vane. | 2009-08-27 |
20090214336 | AXIAL FLOW FAN UNIT - A frame for a serially connected axial flow fan unit includes a first housing and a second housing coupled together. The first housing includes a first axial locking mechanism and a first unlocking mechanism, and the second housing includes a second axial locking mechanism and a second unlocking mechanism. The first and the second axial locking mechanism are locked against each other through their movement along their axis. The first and the second unlocking mechanism unlock the first and the second housing with a twisting force equal to or greater than a predetermined value when the first and the second housing are twisted relative to each other. When the first and the second end portion are brought into contact, the first and the second axial locking mechanism are locked against each other and the first and the second unlocking mechanism engage with each other. | 2009-08-27 |
20090214337 | AXIAL FLOW FAN UNIT - A fan frame includes a first housing having a first end portion in which a first protrusion is arranged, a second housing having a second end portion in which a second protrusion opposing the first protrusion along a specified axis is arranged, the second end portion being in an axially opposing relationship with the first end portion, and a fixing member attached to the first protrusion and the second protrusion to fix the first housing and the second housing together. Further, a first locking portion is arranged in the first end portion and a second locking portion engaging with the first locking portion is arranged in the second end portion. | 2009-08-27 |
20090214338 | Propeller Propulsion Systems Using Mixer Ejectors - A Mixer-Ejector Prop System (MEPS) is presented as a new, unique and improved concept for injecting power and producing force in flowing fluids such as air or water. MEPS incorporates advanced flow mixing technology, single and multi-stage ejector technology, aircraft and propulsion aerodynamics and noise abatement technologies in a unique manner to fluid-dynamically improve the operational effectiveness and efficiency for subsonic flow velocities. | 2009-08-27 |
20090214339 | METHOD AND DEVICE FOR A STREAM VORTEX TRANSFORMATION - The invention relates to wind-power engineering and makes it possible to form a swirling vortex stream, to reduce a blade aerodynamic drag, to increase a stream kinetic energy and to reduce a converter power losses. The inventive method for a stream vortex transformation consists in guiding an input three-dimensional stream towards the internal concave blade surfaces ( | 2009-08-27 |
20090214340 | HELICOPTER PROVIDED WITH A PLURALITY OF LIFT ELEMENTS FOR CONTROLLING THE ANGLES OF INCIDENCE OF ITS BLADES - A helicopter is fitted with a main rotor ( | 2009-08-27 |
20090214341 | ROTATABLE AXIAL FAN - The present disclosure provides a novel apparatus for the movement of air. Specifically, the apparatus is an axial fan assembly which is rotatable about a horizontal axis to orient the axial fan in a vertical position, a horizontal position, or positions in between. The axial fan can be adjusted and selectively fixed in a particular orientation. The height of the axial fan is also adjustable. The vertical support member comprises a telescoping mechanism whereby the length of the vertical support member is adjustable and can be selectively fixed at a particular length. | 2009-08-27 |
20090214342 | HELICOPTER PROVIDED WITH A PLURALITY OF LIFT ELEMENTS EACH PROVIDED WITH A RESPECTIVE TAB FOR CONTROLLING THE ANGLES OF INCIDENCE OF ITS BLADES - The present invention relates to a helicopter provided with a main rotor ( | 2009-08-27 |
20090214343 | Turbine for a Hydroelectric Power Station - There is provided a turbine for a hydroelectric power installation. The turbine has a rotor with a plurality of blades, with the rotor being arranged in front of a guide apparatus (in the flow direction). The pitch angle of the blades of the rotor is adapted to be variable. As the rotor is arranged in front of the guide apparatus (in the flow direction) the flow meets the rotor first and only thereafter meets the guide apparatus, thus affording optimum flow conditions for the rotor. | 2009-08-27 |
20090214344 | RIGID HYDRAULIC CONTROL SHAFT AND A CONTROL SYSTEM FOR VARYING THE PITCH OF A PROPELLER - A rigid hydraulic control shaft for conveying a fluid from a hydraulic valve to a hydraulic chamber of a propeller comprises a main segment. The main segment has a hollow rigid outer tube and a solid rigid inner bar. The inner bar has an outer periphery and at least one longitudinal groove disposed along the outer periphery. The outer periphery is configured to move in rotation and translation with an inner periphery of the outer tube. The main segment is configured to move in rotation and in translation with a piston disposed adjacent to the hydraulic chamber. | 2009-08-27 |
20090214345 | LOW PRESSURE SECTION STEAM TURBINE BUCKET - A bucket for use in the low-pressure section of a steam turbine engine is provided. The bucket has a vane length of at least about 45 inches. The bucket is comprised of a dovetail section disposed near an inner radial position of the bucket, a tip shroud disposed near an outer radial position of the bucket and a part span shroud disposed at an intermediate radial position. The intermediate radial position is located between the inner and outer radial positions. The bucket is comprised of a titanium-based alloy having between about 2% and about 6.25% by weight aluminum, up to about 3.5% vanadium, up to about 2.25% tin, up to about 2.25% zirconium, between about 1.75% and about 5.0% molybdenum, up to about 2.25% chromium, up to about 0.7% silicon and up to about 2.3% iron, with the balance being titanium. | 2009-08-27 |
20090214346 | SYSTEM AND METHOD FOR PULVERIZING AND EXTRACTING MOISTURE - A venturi receives incoming material through an inlet tube and subjects the material to pulverization. The material, as it undergoes pulverization, is further subject to moisture extraction and drying. An airflow generator, coupled to the venturi, generates a high speed airflow to pull the material through the venturi and into an inlet aperture in the airflow generator. The airflow generator directs the received pulverized material to an outlet where the material may be subsequently separated from the air. | 2009-08-27 |
20090214347 | SPLIT RING FOR A ROTARY PART OF A TURBOMACHINE - A split ring for mounting with elastic prestress in an annular groove of a rotary part of a turbomachine and having, in the free state, a diameter that is greater than the diameter of the groove, is remarkable in that, in the free state and without stress, the end portions of the ring are circular arcs having a radius of curvature that is substantially equal to the radius of curvature of the annular groove. | 2009-08-27 |
20090214348 | METHOD FOR MANUFACTURING THE ROTOR ASSEMBLY OF A ROTATING VACUUM PUMP - A rotor assembly for rotary vacuum pumps has improved mechanical characteristics and low manufacturing cost due to a one-step thermal coupling of a rotor having a male axial projection and its supporting shaft having an end portion comprising a female cavity with a shape and size for receiving the male projection with interference at an ambient temperature. The rotor and the shaft are made of different materials. Heating of the end portion of the shaft provides expansion of the female cavity and allows for inserting the mail projection of the rotor into the female cavity of the shaft. By cooling the end portion to the ambient temperature the contraction of the cavity is obtained forming fixed interference coupling between the shaft and the rotor, where the end portion of the shaft contracts and compresses about the male axis projection of the rotor. | 2009-08-27 |
20090214349 | Airfoil Structure Shim - An airfoil structure, shim and retention member combination is provided. The combination comprises an airfoil structure, a retention member and a shim. The airfoil structure may comprise a first recess. The retention member may comprising a second recess. The first and second recesses may define a cavity. The shim may comprise a main body and a plurality of first fins extending outwardly from a first side of the main body. The first fins may further extend transverse to a longitudinal axis of the main body. The shim may be positioned in the cavity such that the first fins extend in a direction substantially transverse to a longitudinal axis of the cavity. | 2009-08-27 |
20090214350 | ROTOR OF A TURBOMACHINE AND METHOD FOR REPLACING ROTOR BLADES OF THE ROTOR - A rotor of a turbomachine is provided. The rotor includes at least first and second rotor portions and at least first and second blades. The first and second rotor portions are configured to rotate about an axis. The first and second rotor portions have first and second rim portions, respectively, which are spaced a predetermined distance apart from one another and have a perimetrical slot therebetween. The first and second rim portions have first and second dovetail slots, respectively, extending therethrough communicating with the perimetrical slot. The first and second blades have first and second dovetail portions, respectively. The first dovetail portion is disposed in one of the first and second dovetail slots, and the second dovetail portion is disposed in the other of the first and second dovetail slots. The perimetrical slot has a sufficient size to pass the first and second blades therethrough when the first and second blades are removed from the rotor. | 2009-08-27 |
20090214351 | METHOD OF GENERATING A CURVED BLADE RETENTION SLOT IN A TURBINE DISK - A method of forming a curved slot in a turbine disk includes the steps of forming a pre-slot in the turbine disk and finishing the pre-slot to form a slot that receives a portion of a turbine blade. The turbine disk including a first face, an opposing second face, and an outer perimeter surface extending between the first face and the opposing second face. The pre-slot includes a first curved wall and a second curved wall that each extend between the first face and the opposing second face. An intersection between the outer perimeter surface and each of the first curved wall and the second curved wall is defined by a curved line. | 2009-08-27 |
20090214352 | SURFACE TREATMENT METHOD AND REPAIR METHOD - A method for forming a dense coating on a limited region of a subject body is disclosed. The method is composed of the steps of: applying one selected from the group of a compressed body of a powder of a metal and a sintered compressed body of a powder of a metal to a working electrode; executing discharge deposition to deposit a first coating from the working electrode on the subject body by applying the subject body as a workpiece of the discharge deposition; executing discharge deposition to deposit a second coating from the working electrode on the first coating by applying the subject body as a workpiece of the discharge deposition; and heating the subject body in one selected from the group of a vacuum, an air and an oxidizing atmosphere so as to densify the second coating or oxidizing the second coating at least in part to generate a solid lubricant substance. | 2009-08-27 |
20090214353 | Hanging frame of the ceiling fan - An improved hanging frame of the ceiling fan includes a supporting base having a plurality of holding parts and extending downwards with a plurality of supporting parts. Each of the holding parts has a first supporting section that extends with a first holding section. Each of the supporting part supports the conversion base from the bottom of a through hole, thereby positioning the ceiling fan. | 2009-08-27 |
20090214354 | NOSE CONE ASSEMBLY - A nose cone assembly for a gas turbine engine comprises a spinner and a plurality of circumferentially spaced mounting members for mounting the spinner on a fan hub of the gas turbine engine. Each of the mounting members is rigid in a generally axial direction and flexible in a generally radial direction. | 2009-08-27 |
20090214355 | FIXING METHOD FOR A TIP WINGLET AND REDUCED TIP LEAKAGE BLADE - Reducing the tip leakage for an existing compressor or turbine blade ( | 2009-08-27 |
20090214356 | Pump control valve - A pump control valve for use between a motor driven pump and a fluid storage and supply tank. The pump control valve is operative to control the run time of the pump by controlling the fluid supplied to the tank between a maximum of fluid supplied to a minimum of fluid supplied during the time period in which the tank pressure is brought to the desired limit. | 2009-08-27 |
20090214357 | Variable speed drive for progressing cavity pumps - A variable speed drive for RPM control of a revolvable device, preferably a progressing cavity pump, is proposed. It comprises parallel driving and driven shafts, coupled respectively to a first and second substantially identical cone-shaped rotors, situated in inverse positions to each other; an elastic belt, stretchably placed around the rotors, forming a left branch, a right branch, and curved sections frictionally coupled with the rotors; and a speed control means, capable to displace the left branch upward or alternatively to displace the right branch downward, causing corresponding displacements of the belt, changing the transmission ratio, thereby controlling the RPM of the rotatable device, in some embodiments—automatically. Known materials, parts, and inexpensive technologies can be utilized in the drive, and can be manufactured, e.g., by establishments in the oil equipment and machinery industry, and thus can be efficient, cheap, reliable, and convenient for producers and users. | 2009-08-27 |
20090214358 | PIEZOELECTRIC FLUID PUMP - A compact, high capacity pump for pumping fluid. A first one-way valve is between an inlet port and the pump's fluid chamber. A second one-way valve is between the pump's fluid chamber and an outlet port. A diaphragm separates a piezoelectric stack from the fluid chamber. A power source provides power to the piezoelectric stack causing it to expand and contract. The expansion and contraction of the piezoelectric stack causes fluid to be pumped from the inlet port to the fluid chamber through the first one-way valve and causes fluid to be pumped from the fluid chamber to the outlet port through the second one-way valve. In one preferred embodiment, both one-way valves are disc valves. In another preferred embodiment both one-way valves are MEMS valves. | 2009-08-27 |
20090214359 | LIQUID PUMP FOR AN INTERNAL COMBUSTION ENGINE AND DEVICE FOR HEATING LIQUID - A liquid pump for an internal combustion engine having a housing in which a pump rotational shaft is accommodated, in particular a water pump of a heat exchanger circuit of a vehicle, and an eddy current arrangement is provided at least partially inside the housing of the liquid pump. The invention furthermore relates to a device for heating a liquid. | 2009-08-27 |
20090214360 | TILTING PLATE TYPE COMPRESSOR - A tilting plate type compressor includes a tilting plate capable of adjusting its tilted angle to a drive shaft, a compression mechanism to be driven by tilting rotation of the tilting plate, a sleeve capable of adjusting the tilted angle of the tilting plate by sliding along the drive shaft and a stopper for fixing the sleeve at a position for setting the tilted angle of the tilting plate to a minimum angle. Flanges are provided on the sleeve to be contacted with the stopper for fixing the sleeve at the position. The tilting plate type compressor can prevent growing large of its size by downsizing its sleeve and can secure a stable discharge amount. | 2009-08-27 |
20090214361 | OIL-LESS COMPRESSOR WITH SEAL-DUST PROTECTION - An oil-less compressor, having polymeric seals and a crank mechanism which is vulnerable to dust arising from such seals, is provided with a dust-exclusion barrier that protects the crank mechanism from being exposed to such dust. The first stage of the compressor preferably draws its intake from the crankcase, providing a pressure differential and gas flow that sweeps seal dust away from the crank mechanism. | 2009-08-27 |
20090214362 | PIEZOELECTRIC PUMP - A piezoelectric pump includes a diaphragm that defines a pump chamber between the diaphragm and a pump body, and a piezoelectric element bonded to a surface of the diaphragm. The piezoelectric element is a bimorph piezoelectric element in which a plurality of piezoelectric layers are stacked, including a neutral layer disposed in the approximate middle of the piezoelectric element in the thickness direction and that is not displaced. The piezoelectric element can be efficiently displaced because a neutral plane of the diaphragm and the piezoelectric element bonded therein is located in the neutral layer. | 2009-08-27 |
20090214363 | MOTOR AND COMPRESSOR INCLUDING THE SAME - A motor and a compressor including the same. The motor includes a rotor ( | 2009-08-27 |
20090214364 | Mechanical liquid pump - A mechanically operated liquid pump for medical and nutrient liquids, as well as for liquids used in biological and laboratory applications, has an integrated, self-contained pump construction comprising a housing having an expandable elastic member mounted wholly within the housing and shaped to store and dispense a liquid therefrom. Inlet and outlet members are also mounted within the housing, are operably connected with the elastic member inside the housing, and regulate the flow of liquid traveling into and out of the pump. A flow regulator is also mounted wholly within the housing, communicates with at least one of the inlet and outlet members, and maintains a substantially constant volumetric flow of liquid dispensed from the elastic member. | 2009-08-27 |
20090214365 | METHOD AND SYSTEM FOR LOADING OF TUBING INTO A PUMPING DEVICE - A tube-positioning system for loading tubing into a peristaltic pump includes a holder and a first tube segment. The holder includes a shell configured to slidably fit onto an exterior of a pump and a pair of guides extending upward from opposite side walls of the shell. The first tube segment has a fixed length and extends between the pair of guides with each end of the first tube segment secured within one of the respective guides. | 2009-08-27 |
20090214366 | Peristaltic Pumping Apparatus and Method - The present disclosure relates to a rotor assembly for a peristaltic pump. The pump includes a first rotor having a plurality of rollers and a second rotor, coupled to the first rotor, having a plurality of rollers. The rollers of the first and second rotors are located at an angle of about 45° relative to each other. In an embodiment, the first rotor and the second rotor are circular. In another embodiment, the rollers of the first rotor are equally spaced or located at an angle, about 90°, relative to each other. In yet another embodiment, the rollers of the second rotor are equally spaced or located at an angle, about 90°, relative to each other. A peristaltic pump and a method of supplying fluid to a surgical area are also disclosed. | 2009-08-27 |
20090214367 | Refrigerant Compressor - A hermetically encapsulated refrigerant compressor having a hermetically sealed compressor housing, in whose interior a piston-cylinder unit operates, whose cylinder housing ( | 2009-08-27 |
20090214368 | Vacuum Pump - A dry pump comprises a stator housing a rotor assembly comprising intermeshing rotor components defining a running clearance with a surface of the stator, means for applying a transient magnetic force to at least one magnetic member of the rotor assembly to move the rotor components away from the stator surface and increase the size of the running clearance to reduce a frictional force applied to the rotor components by particulates accumulated within the running clearance, and means for moving the rotor components back towards the stator surface upon reduction of the magnetic force. | 2009-08-27 |
20090214369 | ECCENTRIC SCREW PUMP - The invention relates to an eccentric screw pump with a annular outer part ( | 2009-08-27 |
20090214370 | DAMPING APPARATUS FOR SCROLL COMPRESSORS FOR OXYGEN-GENERATING SYSTEMS - A radially compliant scroll compressor includes a fixed scroll, an orbiting scroll operatively connected to the fixed scroll, a synchronizer and at least one linkage member operatively connected to the orbiting scroll and the synchronizer. The at least one linkage member includes an orbiting crank handle operatively disposed on the linkage member, a crankpin operatively disposed through said synchronizer and extending into the crank handle and a damping member disposed on the crankpin between the synchronizer and the crank handle. | 2009-08-27 |
20090214371 | MULTIPLE ROTOR FLUID TRANSFER ENGINE - A fluid transfer engine employs a case with a cylindrical inner wall having an operating radius extending from a case axis. A main rotor is carried within the case and incorporates a lobe with a major radius equal to and concentric with the operating radius of the case, the main rotor having a minor radius defining a body. Two peripheral rotors are diametrically opposed with respect to the case axis and rotate within rotor chambers extending from the case. Each peripheral rotor has a radius equal to the minor radius and a center of rotation located at twice the minor radius from the case axis. Each of the peripheral rotors rotates in uniform circular motion with the main rotor in sealing contact with the body and incorporates a sculpted recess for receiving the lobe of the main rotor. | 2009-08-27 |
20090214372 | Remote Hot Melt Adhesive Metering Station - A new and improved remote, hot melt adhesive metering station ( | 2009-08-27 |
20090214373 | Medical Devices - Endoprostheses including composites, and methods of making the endoprosthesis, are disclosed. The composites include at least a first material and a second material having different chemical compositions from each other. | 2009-08-27 |
20090214374 | High purity target manufacturing methods - A method for producing a high purity tungsten sputtering target. The method includes heat treating of high purity tungsten powder in order to consolidate it into a blank with density providing closed porosity. The consolidation may be achieved by hot pressing, HIP or any other appropriate method. Next, this plate is rolled to produce target blanks of approximate size and further increased density of the material. The method may be applicable to a variety of blanks including round shape target blanks, for example, consisting of tungsten, molybdenum, tantalum, hafnium, etc. | 2009-08-27 |
20090214375 | METHOD FOR MANUFACTURING OF FUEL NOZZLE FLOATING COLLAR - A floating collar is metal injected moulded with an excess portion intended to be separated, such as by shearing, from the reminder of the moulded floating collar to leave a chamfer thereon and/or remove injection marks. | 2009-08-27 |
20090214376 | CREEP-RESISTANT STEEL - The disclosure relates to a creep-resistant steel which having a chemical composition (values in % by weight) of: about 0.10 to 0.15 C, 8 to 13 Cr, 0.1 to 0.5 Mn, 2 to 3 Ni; at least one or both elements from the group Mo, W in a range in each case of about 0.5 to 2.0 or, if both elements are present, a maximum total of about 3.0; about 0.02 to 0.2 Nb, 0.05 to 2 Ta, 0.1 to 0.4 V, 0.005 to 2 Pd, 0.02 to 0.08 N, 0.03 to 0.15 Si; and about 80 to 120 ppm B, maximum about 100 ppm Al, maximum about 150 ppm P, maximum about 250 ppm As, maximum about 120 ppm Sn, maximum about 30 ppm Sb, maximum 50 ppm S, a remainder of the composition being iron and impurities. | 2009-08-27 |
20090214377 | Method for Producing Hot Rolled Strip with a Multiphase Microstructure - For the production of hot strip referred to as TRIP steel (transformation induced plasticity), with a multiphase structure and with outstandingly good deformation properties along with high strengths, from the hot-rolled state, the invention proposes a method which is carried out with a predetermined chemical composition of the steel grade used within the limits 0.12-0.25% C; 0.05-1.8% Si; 1.0-2.0% Mn; the remainder Fe and customary accompanying elements and with a combined rolling and cooling strategy in such a way that a structure comprising 40-70% ferrite, 15-45% bainite and 5-20% residual austenite is obtained, wherein the finish rolling of the hot strip ( | 2009-08-27 |
20090214378 | METHOD FOR THE PRODUCTION OF VALVE METAL POWDERS - The present invention relates to a process for the deoxidation of valve metal primary powders by means of reducing metals and/or metal hydrides, and a process for the production of tantalum powders that are suitable as anode material for electrolytic capacitors. | 2009-08-27 |
20090214379 | NI-BASED SINGLE CRYSTAL ALLOY - Disclosed is a single crystal alloy consisting essentially of, by weight, 0.06-0.09% carbon, 0.016-0.035% B, 0.2-0.4% Hf, 0-0.02% Zr, 6.5-8.5% Cr, 0.4-1.0% Mo, 5.5-9.5% W, 1.2-3.1% Re, 8-10% Ta, 0.3-1.0% Nb, 0-0.4% Ti, 4.7-5.4% Al, 0.5-5.0% Co, 0.1-5% Fe, and the balance of Ni and unavoidable impurities. The alloy is free from solidification cracks during casting a large-sized blade of gas turbines, has grain boundary strength sufficient for assuring the reliability during operation, and further has excellent oxidation resistance to a high combustion gas temperature while having excellent high-temperature strength comparable to that of a conventional single crystal alloy. | 2009-08-27 |
20090214380 | LOW-MIGRATION COPPER ALLOY - The present invention relates to a copper alloy, in particular for components which carry media or drinking water, in particular fittings, valves or compression joints and also an advantageous use of the copper alloy and components for lines carrying media or drinking water. It is an object of the present invention to provide a copper alloy which has good corrosion resistance, good castability and mechanical workability and also good mechanical properties and displays good migration values, particularly in respect of the migration of lead and nickel ions into drinking water. The copper alloy provided for this purpose by the present invention comprises from 2% by weight to 4.5% by weight of silicon, from 1 to 15% by weight of zinc and from 0.05% by weight to 2% by weight of manganese. Furthermore, from 0.05 to 0.4% by weight of aluminium and from 0.05 to 2% by weight of tin can optionally be present. As balance, the copper alloy contains copper and unavoidable impurities. | 2009-08-27 |
20090214381 | Aluminum alloy - An aluminium alloy, comprising magnesium 4.5 to 6.5% by weight, silicon 1.0 to 3.0% by weight, manganese 0.3 to 1.0% by weight, chromium 0.02 to 0.3% by weight, titanium 0.02 to 0.2 % by weight, zirconium 0.02 to 0.2% by weight, one or more rare earth metals 0.0050 to 1.6% by weight, iron max. 0.2% by weight, and the remainder aluminium. | 2009-08-27 |
20090214382 | Methods of sterilizing biological mixtures using alpha-keto acids - Methods are disclosed for sterilizing biological materials to reduce the level of one or more biological contaminants or pathogens therein, such as viruses, bacterial (including inter- and intracellular bacteria, such as mycoplasmas, ureaplasmas, nanobacteria, chlamydia, rickettsias), yeasts, molds, fungi, single or multicellular parasites, and/or prions or similar agents responsible. These methods involve the use of alpha-keto acids in methods of sterilizing biological materials with irradiation. | 2009-08-27 |
20090214383 | ASSAY TEST STRIPS WITH MULTIPLE LABELS AND READING SAME - In one aspect, an assay test strip includes a test label that specifically binds a target analyte and a control label that is free of any specific binding affinity for the target analyte and has a different optical characteristic than the test label. In another aspect, an assay test strip includes a test label that specifically binds a target analyte and at least one non-specific-binding label that is free of any specific binding affinity for the target analyte. Systems and methods of reading assay test strips also are described. | 2009-08-27 |
20090214384 | IDENTIFICATION OF A STRIP TYPE BY THE METER USING CONDUCTIVE PATTERNS ON THE STRIP - A test strip including a reagent end for receiving a body fluid sample and an insertion end which is received at a test strip receptacle slot of a measuring device, the insertion end including one or more on-strip indicators for indicating to a measuring device that the test strip has been inserted into the device so that the device will power-up in preparation to perform a test, and the one or more on-strip indicators having a distinct pattern indicating whether calibration is automatic or whether the user needs to input calibration information to the said device, and corresponding methods are disclosed. | 2009-08-27 |
20090214385 | AUTOMATIC ANALYZER - A diluted sample can be reused to remeasure a sample whose measurement has been completed, which is to be manually performed. The automatic analyzer according to the present invention can manage the elapsed time after a diluted sample pipetted to set hold and discard conditions. It is possible to check, before the measurement is performed, whether or not each requested measurement item can be measured, and the length of time it takes before measurement of all samples is completed. The automatic analyzer according to the present invention has functions of: setting diluted sample hold and discard conditions; allowing an operator to specify a kind of sample, for example, to select between a parent sample and a diluted sample; separately executing pipetting or measurement; and displaying each requested measurement item for which a sample or a reagent is insufficient, and displaying the length of time it takes until measurement of all samples is completed. | 2009-08-27 |
20090214386 | Coupling of conduits with melted and solidified plastic material - A method of coupling at least two conduits for bringing them in communication. Each of the conduits is adapted for conducting a medium and has an outlet and an outer surface adjacent to the outlet. The outer surfaces and a solid plastic material are at least partly inserted into an aperture of a coupling element. The plastic material is plastified and/or melted at least partly. The plastic material is solidified for sealing and fixing the conduits within the aperture of the coupling element. | 2009-08-27 |
20090214387 | Assembly for Accommodating a Probe - The invention relates to an assembly for accommodating a probe, especially a measuring probe or a sample-taking probe. The assembly includes a housing, which has a space for accommodating the probe and a first chamber for accommodating a first fluid, with the first chamber being in connection with the space for accommodating the probe or surrounding such. The housing further includes a connecting section, by means of which the housing is connectable with a container or is connected therewith. The container serves for accommodating a medium, a property of which is to be measured with the probe or from which a sample is to be taken. At least a second chamber is provided in the housing for accommodating a second fluid and is arranged between the first chamber and the connecting section of the housing. | 2009-08-27 |
20090214388 | METHOD FOR MANUFACTURING THE SCALE, SCALE, AND ENCODER-EQUIPPED APPARATUS - [Object] To provide a method for manufacturing a scale having an improved abrasion resistance, the scale, and an encoder having the same. | 2009-08-27 |
20090214389 | GAS SENSOR - A gas sensor including: a gas detection element; a metal shell extending in an axial direction; and a metal cylinder extending in an axial direction, wherein a leading end portion of the metal cylinder surrounds a base end portion of the metal shell and is fixed to the metal shell via a circumferential welded portion. The metal shell includes: Fe in an amount equal to or more than 50.0 mass %; C in an amount of 0.02 mass % to 0.15 mass %; Cr in an amount of 11.5 mass % to 18.0 mass %; and Nb in an amount equal to or more than twice amount of C in mass %. | 2009-08-27 |
20090214390 | Microfluidic connection - A microfluidic connection comprising a carrier element having a microfluidic channel fixed between a feeding element and a backplate. The feeding element comprises a channel adopted for feeding a fluid into the microfluidic channel of the carrier element. The backplate comprises a recess arranged opposing the feeding element and comprising an elastic thrust piece. | 2009-08-27 |
20090214391 | Microfluidic Device With Integrated Micropump, In Particular Biochemical Microreactor, And Manufacturing Method Thereof - A microfluidic device for nucleic acid analysis includes a monolithic semiconductor body ( | 2009-08-27 |