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17th week of 2013 patent applcation highlights part 37
Patent application numberTitlePublished
20130101359ANCHORING ELEMENT FOR A HYDRAULIC ENGINEERING INSTALLATION - The invention relates to an anchoring element for a hydraulic engineering installation having at least one ballast weight for weighting purposes and is characterized in that the anchoring element comprises a plurality of shear-protection elements which are arranged movably on lateral guides in the anchoring element such that, when the anchoring element is deposited on the bottom of a body of water, the shear-protection elements bear down on the bottom of the body of water under their own weight when in contact with said bottom and move individually along the respective lateral guide until the anchoring element assumes a position of equilibrium.2013-04-25
20130101360HELICAL SCREW PILE - A helical screw pile includes a longitudinal shaft having a top end and a bottom end with a plurality of helical plates arranged on the shaft in increasing diameter from the top to the bottom. The first helical plate is located toward the bottom of the shaft and has the largest diameter. The second helical plate is located above the first helical plate and has a diameter smaller than that of the first plate. The third helical plate is located above the second helical plate and has a diameter smaller than that of the second plate. The helical plate with the smallest diameter is located toward the top of the shaft. The distance between the first helical plate and the second helical plate is larger than the distance between the second helical plate and the third helical plate.2013-04-25
20130101361SYSTEM AND METHOD FOR PASSING MATTER IN A FLOW PASSAGE - A system is provided for passing matter in a flow passage of an oil and/or gas drilling or production installation, in particular for passing trash or drill cuttings in a drilling fluid return line. The system includes at least two valves arranged in series in said passage; and a control device configured to selectively or sequentially actuate said at least two valves, such that the material is allowed to pass said at least two valves in the passage. A method is also provided for passing trash or drill cuttings in a drilling fluid return line.2013-04-25
20130101362Method of Joining Two Components to Ensure Axial and Angular Alignment Therebetween - A method for bonding together components, such as a tip and a shaft which include mutually facing carbide end surfaces. The tip includes circumferentially spaced flutes formed in its cylindrical outer periphery. The shaft has a cylindrical outer periphery and a plurality of coolant holes extending through the shaft. Bonding of the tip to the shaft is performed by inserting gauge wires into the coolant holes and associated flutes, and positioning brazing material between the first and second end surfaces. A water-soluble bond-blocking material is applied to the gauge wires for preventing brazing of the gauge wires to the brazing material. The brazing material is heated to braze the first and second end surfaces together while the flutes and their associated coolant holes are maintained in alignment by the gauge wires. Then, the gauge wires are removed, and residual bond-blocking material is dissolved in water.2013-04-25
20130101363CUTTING INSERT AND INDEXABLE MILLING TOOL - A cutting insert is suitable for pocket machining. The cutting insert (2013-04-25
20130101364CUTTING INSERTS HAVING DISCONTIGUOUS CLEARANCE FACES - Cutting inserts are described having at least two discontiguous clearance faces. Cutting tool systems including the cutting inserts are also described. An indexable cutting insert includes a top face, a bottom face, and at least two clearance faces connecting the top face and the bottom face at a periphery of the cutting insert. The at least two clearance faces include a primary clearance face contiguous with the top face and forming a cutting edge at an intersection of the primary clearance face and the top face, and a secondary clearance face discontiguous with the primary clearance face and separated from the primary clearance face by a bridge surface, and wherein a primary clearance angle formed by the primary clearance face is larger than a secondary clearance angle formed by the secondary clearance face.2013-04-25
20130101365SURFACE-COATED CUTTING TOOL - The surface-coated cutting tool of the present invention is characterized in that a region of 10 μm in a surface of the base material from point a′ to point b′ has two to seven cracks with a width of not more than 200 nm, or two to ten pores are present per length of 10 μm in the surface of the base material from point a′ to point b′, where points a′ and b′ are points defined respectively by lines drawn perpendicularly from points a and b to the surface of the base material where point a is a position located away from an edge ridgeline toward a rake face by distance La and point b is a position located away from the edge ridgeline toward a flank face by distance Lb.2013-04-25
20130101366DRILL BIT FOR REMOVING BOLTS AND OTHER FASTENERS - The present invention relates to an article device and method for removing a broken or bound fastener from an opposing hole in an object such as a piece of machinery or an automotive or mechanical piece of equipment. The present invention provides an elongated and hollow bit having an inner diameter to match and closely straddle the diameter of the elongated portion (e.g., threaded portion) of the fastener. The article of the present invention may be coupled to a drill via an optional adaptor and/or shank. The method of the present invention may further include predrilling the hole removing the head of the fastener and/or rethreading the hole once the fastener is removed.2013-04-25
20130101367GEAR CUTTING MACHINE, END MILL AND METHOD OF FORM MILLING - The present disclosure relates to a gear cutting machine for gear cutting a workpiece, in particular a toothed wheel, by form milling having at least one cutter head for mounting at least one end mill, wherein the cutter head or the end mill and/or the workpiece mount are adjustable and the end mill axis can be aligned approximately parallel to the machined tooth flank of the clamped workpiece, and wherein the cutter axis can be applied to the flank contour and the end mill has an outer contour corresponding to the flank contour.2013-04-25
20130101368WINCH FOR CARGO-RETAINING STRAP - A winch for a cargo restraining strap includes a frame having a base and first and second parallel spaced sidewalls. The first and second sidewalls define respective first and second apertures. A protective wall extends from the base and is spaced from the first sidewall. The first sidewall and the protective wall cooperate to define a clevis structure including a channel. A pawl is movably secured to the frame, with an inner end thereof located in the clevis channel. A spool extends between the first and second sidewalls and is rotatably supported in the first and second apertures of the first and second sidewalls. A ratchet wheel is connected to the spool and is located adjacent the first sidewall. The ratchet wheel is selectively engaged by the pawl. The frame, spool and ratchet wheel can be defined from aluminum alloy. The frame can be extruded as a one-piece construction. The spool and ratchet wheel can be extruded as a one-piece construction.2013-04-25
20130101369TRIPPED UNLOCKING DEVICE, CONNECTING TWO DETACHABLE SUBASSEMBLIES - A device for rapidly separating two subassemblies under the action of a pyrotechnic gas generator. The device comprises a segmented nut (2013-04-25
20130101370ATTACHMENT DEVICE FOR FIXING ON A PLATE HAVING A HOLE AND ASSEMBLY COMPRISING SUCH AN ATTACHMENT DEVICE - An attachment device having a nut member, flange member, and tabs connecting the flange member to the nut member. The nut member extends along an axis and has an axial thread-engaging bore. The flange member extends transversely to the axis and has an opening, with the flange member being spaced axially from nut member. The tabs connect the flange member to the nut member, with each tab having a first end connected to the nut member and a second end connected to the flange. The nut member includes blocks having abutment faces defining a polygonal outline with side faces, with each tab extending alongside an abutment face on a side face.2013-04-25
20130101371SYSTEM OF FASTENING ELEMENTS DEFINED BY A NUT AND A DRAW BAR; DRAWBAR AND NUT - The system (2013-04-25
20130101372METHOD AND APPARATUS FOR PROCESSING WAFER-SHAPED ARTICLES - A device for processing wafer-shaped articles comprises a closed process chamber. The closed process chamber has a side wall, a holder located within the closed process chamber adapted to receive a wafer shaped article, and a door for loading and unloading a wafer shaped article into and from the closed process chamber. The door in a first position blocks an opening in the side wall of the chamber and seals against an interior surface of the side wall of the chamber. The door is connected to an exterior of the chamber via a linkage that guides the door in a nonlinear translational movement between the first position and a second position in which the door is positioned interiorly of the chamber so as to permit loading and unloading of a wafer shaped article through the opening.2013-04-25
20130101373EFFICIENT MOVES VIA SPARE CHAMBER - A magazine-based data storage library is described that includes plurality of chambers each adapted to hold a magazine, that in turn, is adapted to hold a plurality of tape cartridges. The storage library further includes a tape drive adapted to read and write data to and from tape cartridges. The storage library further includes a vacant chamber that shifts from a first chamber when a recently used magazine is disposed therein to a second chamber when a new magazine is withdrawn there from. The recently used magazine most recently being withdrawn from a different chamber than the first chamber where it is later disposed.2013-04-25
20130101374STORAGE BIN FOR TRANSPORTING AND STORING BULK LANDSCAPING MATERIAL, AND METHOD - A storage bin for bulk landscaping material includes a bin body having a bottom wall, a pair of parallel spaced side walls, and a rear end wall closing the rear end of the bin body, thereby to define a chamber that is open at its front end. A rectangular ramp wall is hingedly connected with the bottom wall at the front end of the bin body for displacement between a vertical position partially closing the chamber front end, and a downwardly inclined ramp position in engagement with the ground, whereby an unloading vehicle may be driven up the ramp to engage the bulk material. At least one first horizontal connecting bar is mounted at the forward end of the storage bin, whereby the bin may be transported to a site by a tilt flat bed transporting vehicle, and deposited in a controlled manner rear-end-first from the flat bed.2013-04-25
20130101375TRUCK LOADING DEVICE - An apparatus for loading the bed of a pickup truck comprises a brace for supporting a load from the ground, the brace preventing the load from applying weight to the tail end of the bed with damaging consequences while being drawn into position by a winch and cable system. A pallet is used to stage the load on the ground and to provide a structure with a low angle of attack to the brace, the low angle of attack facilitating the transition of the load to the bed by reducing the tipping moment over the brace.2013-04-25
20130101376VEHICLE TOWING APPARATUS - A vehicle towing apparatus 2013-04-25
20130101377PACKAGING SYSTEM FOR PHARMACEUTICAL DISPENSER AND ASSOCIATED METHOD - A packaging system and associated method for use with a pharmaceutical dispenser provides a turnkey solution for packaging pharmaceutical products such as solid medications and nutritional supplements to be taken orally in health care settings, including but not limited to long term care (LTC) and assisted living settings. An overall pharmacy system and methodology begins with bulk medications and supplements introduced into the work flow, individually packaged and assembled into medpass orders per patient and delivered to the LTC facility or other institution for patient consumption. The process begins by converting bulk medications and supplements to packaged unit doses and ultimately individually packaged medpass bags for each patient on a 24-hour schedule. The design of the overall system and its individual components allows for physical control of each unit dose package from start to finish without any unit dose package “free fall” in the system.2013-04-25
20130101378Device Used for Capturing Micro-Particles and a Micro-Particles Transporting Equipment Provided with the Device Thereof - A device used for capturing micro-particles, which comprises a pressure regulator, a micro-jet nozzle, and a hydraulic device for providing injection liquid for the micro-jet nozzle; wherein the micro-jet nozzle is provided with an annular jet hole, the annular jet hole having a bottom end, a top end, an inner diameter, an entrance port located at the top end, and an injection port located at the bottom end, the output of the pressure regulator is connected to the entrance port of the micro-jet nozzle. Compared with the prior art, in the present invention, the liquid is taken as the medium, a kind of upward support on the micro-particles and a flow-around lift force perpendicular to the jet direction are generated by the micro-jet nozzle with the annular jet hole, which jointly act on the micro-particles, so as to achieve the micro-particle capture.2013-04-25
20130101379METHOD OF VERIFYING AND IMPROVING THE POSITIONING OF ROD-LIKE ARTICLES IN TRAYS OR INTERMEDIATE STORES AND A DEVICE ENABLING THE VERIFICATION OF CORRECT POSITIONING OF ROD-LIKE ARTICLES AND ALIGNING OF THEIR FRONT FACE IN TRAYS OR INTERMEDIATE STORES - A method, where a verification of positioning of articles (2013-04-25
20130101380Rod Clamping Devices for Hanging or Pulling Rod Strings in a Wellbore - Clamping devices for hanging or pulling wellbore rod strings each feature housing with an axial bore in which a number of clamping pieces are placed to wedge in place between the housing and rod string to perform a self-tightening action against the rod string under the weight thereof due to cooperation of beveled surfaces at the bore wall and exterior of the clamping pieces. Threaded fasteners fed through the housing wall aid in placement of the slips against the rod string. For use in pulling operations, the housing is sized for receipt in the latching mechanism of a tubing elevator for support by the same, whereby the tubing elevator can be used to pull out a stuck rod string. Some embodiments feature a circumferential gap in the housing to enable the housing to be slipped laterally onto the rod string.2013-04-25
20130101381WEIGHT RELIEF TRANSPORTATION APPARATUS FOR CONSTRUCTION EQUIPMENT - A transportation system for transporting construction equipment that rides on a driven element during ordinary operation. The transportation system relieves a portion or all of the operational weight of the construction equipment from the driven element during transportation of the construction equipment. The transportation system includes a frame, upwardly extending supports that support a chassis of the construction equipment, and a lifting device interface for loading and unloading the transportation system with respect to a vehicle or trailer for transporting the construction equipment.2013-04-25
20130101382PROCESSING MACHINE SYSTEM AND METHOD OF POSITIONING PROCESSING MACHINES - At least three processing machines are positioned on a supporting structure including a plurality of beams spaced apart from each other. The at least three processing machines include a first processing machine, a second processing machine supported by at least one of beams which support the first processing machine, and a third processing machine supported by beams different from all the beams which support the first processing machine. A distance between the first processing machine and the second processing machine, at which an amount of vibration transferred from the first processing machine to the second processing machine becomes smaller than a predetermined amount, is determined, thereby positioning the first processing machine and the second processing machine with a distance not less than the determined distance.2013-04-25
20130101383PORTABLE NON-MOTORIZED AUTOMATIC LIFT AND TRANSPORT APPARATUS FOR SMALL VEHICLES - A portable, non-motorized automatic lift and transport apparatus allows users to lift and transport a small, powered vehicle with minimal physical exertion and without the need for secondary power source. The apparatus is comprised of a base and platform connected to a gear housing. The gear housing telescopically engages and moves vertically within a vehicle mount via a gear system. The drive wheels of the small, powered vehicle to be transported power the gear system attached to the gear housing to rotate the gear system and subsequently lift the to-be-transported vehicle using its own power source. A storage position is provided that can be used without disengaging a transmission. An alternate embodiment incorporates a worm gear and chain drive.2013-04-25
20130101384Side Mounted Air Seeder Product Container - An air seeder cart apparatus has a primary container assembly with a plurality of primary product containers, with primary fill hatches at tops thereof. An air distribution network comprises product conduits and primary metering devices that dispense agricultural products from each primary product container into one of the product conduits. A secondary product container is mounted on a side of the primary container assembly and has a secondary fill hatch much lower than the primary fill hatches, and a secondary metering mechanism dispenses product from the secondary product container into one of the product conduits. The secondary product container is convenient for receiving bagged agricultural products from a low truck bed. Unopened product bags may be stored on a grate inside the secondary product container so they will be available if required. Weighing of product in the container can be provided.2013-04-25
20130101385VARIABLE VANE ASSEMBLY FOR A GAS TURBINE ENGINE HAVING AN INCREMENTALLY ROTATABLE BUSHING - A variable vane assembly for a gas turbine engine having a casing, including: a variable vane including a platform and a vane stem extending outwardly from the platform; a bushing surrounding the vane stem; a lever for moving the vane between a closed position and an open position; and, a mechanism for incrementally rotating the bushing to a new circumferential position with respect to the vane stem as the vane is cycled each time between the closed and open positions.2013-04-25
20130101386DUAL-FLOW STEAM TURBINE WITH STEAM COOLING - A dual flow steam turbine includes coolant passageways which extract coolant steam from the main steam flow paths at locations downstream from the inlet. The coolant passageways conduct the coolant steam through portions of the dual flow steam turbine which are subjected to a high temperature flow. In some cases, the passageways conduct the coolant steam through first stage nozzle boxes and an inlet assembly of the dual flow steam turbine. In some cases, the inlet assembly of the steam turbine includes an annular diaphragm, and a coolant passageway passes through the annular diaphragm to help cool the annular diaphragm.2013-04-25
20130101387SYSTEM AND METHOD FOR INTEGRATING SECTIONS OF A TURBINE - A system and method for integrating sections of a turbine are provided. In one system, a turbine includes a last stage bucket section with a first annular outer wall that is angled with respect to a centerline of the turbine at a first angle average. The turbine also includes a diffuser section having a second annular outer wall that is angled with respect to the centerline of the turbine at a second angle average for improving radial swirl. The first angle average is greater than the second angle average.2013-04-25
20130101388COMPRESSION DEVICE AND METHOD FOR COOLING A COMPRESSION MEDIUM - The invention concerns a compression device fitted with a drive unit; 2013-04-25
20130101389HEAT-DISSIPATING SYSTEM AND CONTROL METHOD THEREOF - The invention provides a heat-dissipating system and a control method thereof. The heat-dissipating system has a plurality of fans and is configured for adjusting rotation-speeds of the fans. The control method includes following steps: obtaining a plurality of rotation-speed values of the fans; computing out a rotation-speed reference value according to the rotation-speed values; when the rotation-speed reference value is greater than a first threshold value, decreasing the rotation-speeds of the fans through a corresponding fan control signal; when the rotation-speed reference value is less than a second threshold value, increasing the rotation-speeds of the fans through the corresponding fan control signal.2013-04-25
20130101390METHOD FOR CONTROLLING A COMPRESSOR ELEMENT OF A SCREW COMPRESSOR - Method for controlling a compressor element of a screw compressor, where the compressor element has a housing with two meshing helical rotors supported in the housing in the axial direction using at least one axial bearing. The method has a process A and/or a process B, where process A has a first step of switching on a first magnet during start-up of the compressor element, such that the magnet exerts a force on the rotor that is directed from an outlet side to an inlet side, and of switching off this first magnet during nominal operation of the compressor element; and where process B has a first step of keeping a second magnet switched off during start-up of the compressor element, and switching on this second magnet during nominal operation of the compressor element, such that this second magnet exerts a force that is directed from the inlet side to the outlet side.2013-04-25
20130101391Self-Adjusting Device for Controlling the Clearance Between Rotating and Stationary Components of a Thermally Loaded Turbo Machine - A self-adjusting device (2013-04-25
20130101392PROPULSIVE SYSTEM - This invention relates to an aircraft comprising: a first propulsive unit having a first fan with an axis of rotation; and a second propulsive unit local to the first propulsive unit, the second propulsive unit having a second fan with an axis of rotation, wherein the rotational axis of the first fan is proximate to the surface of the aircraft relative to the rotational axis of the second fan such that the first fan ingests boundary layer air when in use.2013-04-25
20130101393REACTION TURBINE AND HYBRID IMPULSE REACTION TURBINE - A reaction turbine has channels formed in the top surface of a disc to create nozzles. The channels can be covered by a membrane sealed to the disc or by the housing extended from a combustor. Each channel may have a first section extending radially outwardly from an inlet of the reaction turbine and a second curved section extending from the first section to a periphery of the disc. A reaction turbine may also receive input from an impulse turbine. Fluid flows through the impulse turbine and fluid from the impulse turbine enters an inlet of the reaction turbine. The reaction turbine may have cooling channels and cooling fins to lower the temperature of the disc during operation. In addition, magnets may provide bearing support and electricity generation. In addition, the reaction turbine may have a dual shaft construction, with each shaft connected to a reaction turbine. One reaction turbine powers a compressor, while the second reaction turbine powers a load through the second shaft.2013-04-25
20130101394FREE-SURFACE LIQUID TRANSFER DEVICE FOR ROTATING MACHINERY - A free-surface liquid transfer apparatus for rotating machinery includes a rotating member. The rotating member includes a main shaft defining a hollow inner cavity, an outer cylindrical wall defining a hollow annular cavity in fluid communication with the hollow inner cavity through a plurality of orifices formed on the main shaft, and a slinger formation in fluid communication with the hollow annular cavity through a plurality of radial slots formed through the slinger formation. A central axis of the main shaft, a central axis of the hollow annular cavity, and a central axis of the slinger formation are collinear, and the slinger formation is configured to transmit working fluid received through the plurality of radial slots outward as a continuous film having both tangential and radial velocity components.2013-04-25
20130101395TURBINE BLADE RAIL DAMPER - A device for damping of vibratory energy in the blades of rotor assemblies during operation where the blades have a shroud attached thereto with at least one sealing rail extending radially outward from the shroud to an outer diameter surface. A damper element is attached to the turbine blade sealing rail extending radially inward from the rail outer diameter surface along rail sides to maintain the damper element out of the flow of gas and positioned at a radial location on the blade for damping.2013-04-25
20130101396FAN ASSEMBLY - A fan assembly includes a fan and a casing receiving the fan. The casing is formed by one-step injection molding and includes a base portion, a cover portion, a connection portion, and a plurality of anti-vibration members. The connection portion is formed by thermal-pressing and rotatably connects the cover portion and the base portion. The anti-vibration members are attached to the cover portion and the base portion and located between the fan and the cover portion and the base portion when the cover portion and the base portion are locked together to absorb vibration and prevent the transmission of the vibration to the casing.2013-04-25
20130101397ELECTRICAL POWER SUPPLY FOR EQUIPMENT CARRIED BY A ROTARY SUPPORT - An apparatus including a fixed part, a rotary support configured to be driven in rotation relative to the fixed part, at least one item of electrical equipment carried by the rotary support, and a power supply device configured to supply electrical energy to the electrical equipment. The power supply device includes an asynchronous machine including a stator fixed to the fixed part and a rotor carried by the rotary support, and an excitation device. The stator includes an electrical circuit including at least one switch configured to switch between an open state in which the electrical circuit is open and a closed state in which the electrical circuit is closed. The rotor includes at least one winding connected to the electrical equipment. The excitation device is configured to provide a reactive current to the electrical circuit of the stator or to the winding of the rotor.2013-04-25
20130101398Impulse wind machine - An impulse wind machine comprises the following: 2013-04-25
20130101399RAM AIR FAN BEARING HOUSING - A ram air fan bearing housing for a ram air fan assembly includes a bearing section, a disk section, and radial support ribs. The disk section is at one end of the bearing section for connecting the bearing section to the ram air fan assembly. The disk section includes an outer ring with a circumferential support rib; and a disk wall connecting the outer ring to the bearing section. The disk wall includes arcuate cooling slots defined by edges, including an arcuate edge having an arc center at an axis of the bearing housing and positioned adjacent to and radially inward from the circumferential support rib. The radial support ribs extend axially along most of the length of the bearing section and extend radially along the disk wall to the circumferential support rib. The radial support ribs and the cooling slots alternate about the axis of the bearing housing.2013-04-25
20130101400RAM AIR FAN INNER HOUSING - A ram air fan inner housing for a ram air fan assembly comprises a center body housing, an end cup attached to the center body housing, and a perforated cone. The perforated cone is attached to the center body housing and the end cup such that the perforated cone extends away from the center body housing and radially inward toward an axis of the inner housing.2013-04-25
20130101401SEAL AIR SUPPLY SYSTEM AND EXHAUST GAS TURBINE TURBOCHARGER USING SEAL AIR SUPPLY SYSTEM - Provided is a seal air supply system including: a seal air compressor 2013-04-25
20130101402FAN HOUSING WITH COOLING SLOTS - A fan housing for a ram air fan includes an outer portion to connect the fan housing to ram air fan components; a tubular portion; a plurality of struts connecting the outer portion and the tubular portion; and a central disc portion inside of the tubular portion. The central disc portion comprises six cooling slots around an outer circumference.2013-04-25
20130101403AERODYNAMIC MODIFICATION OF A RING FOIL FOR A FLUID TURBINE - A ring fluid foil including a modified trailing portion for a shrouded fluid turbine and shrouded fluid turbine including such ring fluid foils are described herein. The modification of the trailing portion increases flow turning by the fluid foil without, or with reduced, boundary layer separation on a suction side of the fluid foil.2013-04-25
20130101404ENCLOSURE AND MANIFOLD FOR ADAPTING NONCONFORMING FANS FOR USE IN HARSH OR WET ENVIRONMENTS - A fan enclosure that has manifolds connected to the inlet and outlet of the fan that provides an airtight connection. The manifolds, once connected to the enclosure, provide a pass through of the enclosure for the fan, thereby not requiring the enclosure to be pressurized. A condensate bypass can be installed both on the discharge manifold and the fan impeller body. Both condensate bypasses can be piped to the inlet manifold, preventing moisture accumulation in the fan and the enclosure. The fan enclosure helps prevent contamination and explosive gas in the air stream from coming in contact with the fan motor's electrical components and bearings. The fan enclosure reduces the contamination of the impeller bearing, does not draw or push air through the electrical conduit connected to the enclosure, and the enclosure is not required to be airtight to preform properly.2013-04-25
20130101405FAN, MOLDING DIE, AND FLUID FEEDER - A cross-flow fan includes a plurality of fan blades. The fan blade has an inner edge portion arranged on an inner circumferential side and an outer edge portion arranged on an outer circumferential side. In the fan blade, a blade surface extending between the inner edge portion and the outer edge portion and constituted of a positive pressure surface and a negative pressure surface is formed. The fan blade has such a blade cross-sectional shape that a large-thickness portion at which a thickness between the positive pressure surface and the negative pressure surface is greatest is arranged closer to the inner edge portion. A recess recessed in the blade surface is formed at a position closer to the inner edge portion where the large-thickness portion is arranged, than to the outer edge portion.2013-04-25
20130101406HIGH PRESSURE MOLDING OF COMPOSITE PARTS - Composite pre-forms are molded at high pressure to form composite parts that can be used in place of metal-based high performance parts, such as the outlet guide vanes found in turbofan jet engines. The composite pre-forms include two different fiber orientations that are co-molded in a resin matrix at high pressures to provide composite outlet guide vanes and other high performance parts. Chambers within the composite part are optionally formed during molding of the pre-form at high pressures.2013-04-25
20130101407PELTON TURBINE HAVING A WATER DRAIN SYSTEM - The invention relates to a Pelton turbine 2013-04-25
20130101408FAN, MOLDING DIE, AND FLUID FEEDER - A cross-flow fan includes a plurality of fan blades. The fan blade has an inner edge portion arranged on an inner circumferential side and an outer edge portion arranged on an outer circumferential side. In the fan blade, a blade surface extending between the inner edge portion and the outer edge portion is formed. As the fan rotates, an air flow which flows between the inner edge portion and the outer edge portion is generated over the blade surface. The fan blade has such a blade cross-sectional shape that a recess is formed in the blade surface. The recess is arranged at a position closer to the outer edge portion than to the inner edge portion and formed to extend from one end to the other end of the fan blade in a direction of a rotation axis of the fan.2013-04-25
20130101409TURBINE COMPONENT INCLUDING AIRFOIL WITH CONTOUR - A turbine engine airfoil structure including an airfoil adapted to extend across a gas passage, and a platform structure defining an endwall located at one end of the airfoil and positioned at a location forming a boundary of the gas passage. A saddle portion is associated with at least one airfoil surface of the airfoil, the saddle portion defining a contour having a first radially outer edge located on the at least one airfoil surface and a second radially inner edge located radially inwardly from the radially outer edge. The contour includes a curvature in a plane extending generally perpendicular to the at least one airfoil surface and passing through the saddle portion, the curvature being radially spaced from the endwall and defining an apex located between the radially outer and inner edges of the saddle portion.2013-04-25
20130101410FAN HOLDER - A fan holder for mounting a fan includes a casing for receiving the fan and a board. The casing includes a bottom wall, two sidewalls perpendicularly extending up from opposite sides of the bottom wall and an end wall perpendicularly connected between ends of the sidewalls. The sidewalls each define a number of one-to-one slots parallel to the end wall and corresponding to the plurality of one-to-one first slots of the other sidewall. The board is selectively engaged in two corresponding one-to-one slots of both of the sidewalls, to sandwich the fan together with the end wall.2013-04-25
20130101411FAN MODULE - A fan module includes a bracket, a mounting plate, and a fan fixed to the mounting plate. A first side of the mounting plate is pivotably attached to the bracket. A second side of the mounting plate can be fixed to different positions on the bracket.2013-04-25
20130101412VACUUM PUMP - It is intended to provide a vacuum pump so that without upsizing the vacuum pump, noise and vibration are reduced, heat dissipation property is secured, and the casing is downsized. Therefore, at least one turning part is provided in an exhausting path formed in a casing body. The casing body is formed of a material whose thermal conductivity is higher than that of a rotor and vanes, and a cylinder part where the vanes slide is press fitted in the casing body.2013-04-25
20130101413WIND TURBINE WITH AIR DENSITY CORRECTION OF PITCH ANGLE - A method of controlling the pitch angle of a wind turbine is provided. The wind turbine includes a rotor having at least one rotor blade. A pitch angle of the at least one rotor blade can be variably set. The method includes setting the pitch angle of the at least one rotor blade as a function of the determined air density.2013-04-25
20130101414ROTOR BLADE DE-ICING - A rotor blade (2013-04-25
20130101415WIND TURBINE BLADE, WIND TURBINE AND METHOD FOR MANUFACTURING A WIND TURBINE BLADE - A wind turbine blade includes one or more electric powered modules powered by light beams so as to provide a galvanic separation between the electric powered modules and a lightning protection system in a wind turbine blade. The modules have a power supply converting an energy source in the form of light beams to electrical power for the one or more modules. A wind turbine and a method for manufacturing a wind turbine blade are also disclosed.2013-04-25
20130101416Lighting and Heating Assembly for Ceiling Fan - A lighting assembly for a ceiling fan, the ceiling fan having an attachment interface having an electrical connection for powering an external assembly, the lighting assembly including a housing configured to be connected to and supported by the attachment interface of the ceiling fan, a plurality of lighting arms extending from the housing and provided with a socket to receive a light bulb, the socket being configured to be in electrical communication with the electrical connection of the ceiling fan, and an auxiliary connection provided at a side of the housing to provide power to an external device coupled to the housing.2013-04-25
20130101417WIND TURBINE ROTOR BLADES WITH ULTRAVIOLET LIGHT-REFLECTIVE SUBSTANCES - A wind turbine rotor blade is disclosed that includes a body extending between a blade root and a blade tip. The body may include a pressure side and a suction side extending between a leading edge and a trailing edge and may define an outer surface. In addition, an ultraviolet light-reflective tape may be disposed on the outer surface of the body.2013-04-25
20130101418ADJUSTABLE PADDLE - Embodiments are disclosed that relate to adjustable kayak paddles. One disclosed embodiment provides a paddle including a first shaft section having an outer surface with one or more indicia and a second shaft section angularly positionable relative to the first shaft section about a paddle axis, the second shaft section being configured to at least partially surround the outer surface of the first shaft section is provided. The second shaft section further includes a viewing opening configured to permit viewing of one or more of the indicia therethrough when the first and second shaft sections are coupled together. The paddle further includes a coupler operable to releasably couple the first shaft section with the second shaft section at a plurality of angular positions.2013-04-25
20130101419TURBOMACHINE BLADE INCIDENCE CONTROL SYSTEM AND TURBOMACHINE - Turbomachine blade incidence control system including a fluidic cylinder with a first and a second chamber and having a pressurized fluid network adapted to selectively supply pressurized fluid to the first and/or the second chamber, the fluid network having one fluid routing device having a first normal position and a second protection position. The fluidic cylinder includes a fluid inlet positioned to be in fluid communication with the first chamber when the fluidic cylinder is in the blocked position, the routing device being adapted to set up a fluid communication between the inlet and the second chamber when it is in the protection position and to inhibit the fluid supply to the inlet when it is in the normal position.2013-04-25
20130101420AXIAL FLOW FAN - An axial flow fan, with which effective work of blades is ensured and blade tip vortices are suppressed, thereby reducing noise. The axial flow fan includes blades, which are each formed such that a chord centerline connecting chord center points from inner to outer peripheral ends of the blade is curved so as to protrude toward a downstream side in a whole region.2013-04-25
20130101421WEAR-RESISTANT PART FOR THE SUPPORT OF A BLADE OF A TURBOJET FAN - An aircraft turbojet fan including multiple fan blades including a support that includes a rear portion including a first surface located on an intrados side and a second surface located on an extrados side. A fan disk includes, between recesses, attaching flanges radially protruding towards the outside such that the first surface and the second surface are located respectively opposite two attaching flanges. The fan further includes a wear-resistant part installed on the blade to form a protective shell on each of the first and second surfaces of the support, preventing contact between each surface and the attaching flange located opposite it.2013-04-25
20130101422FASTENING ASSEMBLY FOR BLADES OF TURBOMACHINES HAVING AXIAL FLOW AND METHOD FOR PRODUCING SUCH AN ASSEMBLY - A fastening assembly for blades of turbomachines through which axial flow can take place, preferably compressors, includes a blade carrier having a lateral face, in which retaining groves are distributed along the circumference, with blades being inserted in the grooves, wherein a resilient tensioning element is provided between each groove base and the underside of the respective blade foot, the underside being located opposite of the groove base. The tensioning element is supported on the respective underside and on the respective groove base in a pretensioning manner, wherein a channel is provided both in the groove base and in the underside, with the tensioning element resting in the channels.2013-04-25
20130101423AIRFOIL DEVICES, LEADING EDGE COMPONENTS, AND METHODS OF MAKING - In a method of making a leading edge component for an airfoil device a first elongate sheet is provided and has a shape substantially conforming to a surface on one of a suction side or a pressure side of an airfoil. A second elongate sheet is provided and has a shape substantially conforming to a surface on the other of the suction side or the pressure side of the airfoil. The elongate sheet can be welded together at least along respective elongate edges thereof, in such a way as to form a leading edge base structure comprising a weld extending the length of the elongate sheets. Material deposits can be provided onto an outer surface of the leading edge base structure in such a way as to substantially cover the weld, whereby the leading edge component is formed.2013-04-25
20130101424OVERFLOW VORTEX TRANSFER SYSTEM - The present invention is directed to a molten metal pump comprising an elongated pumping chamber tube with a base end and an open top end. A shaft extends into the tube and rotates an impeller therein, the impeller rotates proximate the base end. The tube has a diameter at least 1.1 times the diameter of the impeller. The pumping chamber tube preferably has a length at least three times the height of the impeller. The base end includes an inlet and the top end includes a tangential outlet. Rotation of the impeller draws molten metal into the pumping chamber and creates a rotating equilibrium vortex that rises up the walls of the pumping chamber. The rotating vortex adjacent the top end exists the device cia the tangential outlet.2013-04-25
20130101425Turbine Blade, and Turbine Rotor and Steam Turbine Using the Turbine Blade - Disclosed is a turbine blade including a turbine blade substrate including an iron-base alloy; an erosion shield plate including a Co-base alloy; and a shim including a Ni—Fe alloy, in which the erosion shield plate is fixed to a leading edge of the turbine blade substrate with the shim therebetween by an electron beam welding. Thus, a turbine blade having a highly reliable, bonded portion of an erosion shield, and a turbine rotor and a steam turbine using the turbine blade are provided.2013-04-25
20130101426BLADE AND LAMINATED PROTECTIVE SHEET FOR THE BLADE - A scratch-resistant blade such as an FRP wind turbine blade and a blade protective sheet which can be easily repaired when scratched. A blade is provided with a laminated protective sheet bonded to at least part of a leading edge of an FRP blade body of said blade, wherein the laminated protective sheet comprises an adhesive layer, a intermediate fabric layer and a durable surface layer, in that order from the blade body.2013-04-25
20130101427BLADE STRUCTURE AND CEILING FAN HAVING THE SAME - A blade structure and ceiling fan having the same are disclosed. The blade structure includes a blade root, a blade tip, and a first vertex and a second vertex between the blade root and the blade tip. The blade bends from blade root to the first vertex, the blade tip and then bends from the blade tip to the second vertex and back to the blade root to form a hollow structure. The ceiling fan with the blade structure not only provides air modulating function but also has unique modeling.2013-04-25
20130101428ROTOR BLADE FOR A WIND TURBINE AND METHODS OF MANUFACTURING THE SAME - In one aspect, a method for manufacturing a rotor blade for a wind turbine is disclosed. The method may generally include assembling a blade blank comprising a shear member and a volume of core material and removing material from the blade blank to form a body having a pressure side and a suction side extending between a leading edge and a trailing edge. The shear member may have a first end disposed adjacent to the pressure side and a second end disposed adjacent to the suction side. In addition, the method may include positioning a skin around an outer perimeter of the body.2013-04-25
20130101429TURBOMACHINE BLADE OR VANE HAVING COMPLEMENTARY ASYMMETRICAL GEOMETRY - A turbomachine blade is made of composite material. The blade includes a first portion constituting at least an airfoil exhibiting two faces each connecting a leading edge to a trailing edge, the first portion forming a single part with at least one second portion present only on one of the faces of the airfoil. The second portion constitutes a portion of at least one of the following elements: a flowpath delimiting outer portion of an inner platform, an inner portion of an inner platform, a flowpath delimiting inner portion of an outer platform, and an outer portion of an outer platform. Portions of fiber reinforcements corresponding to the first and the second portions of the blade are at least partially mutually imbricated. Yarns of the first portion of the fiber reinforcement penetrate into the second portion of the fiber reinforcement.2013-04-25
20130101430TEXTILE COMPOSITE WIND TURBINE BLADE - A wind turbine blade includes at least one mandrel and a sock that covers the at least one mandrel. The sock includes a plurality of braided fibers within a matrix material. The fibers can be made of different materials. Also, stiffness of the sock can vary across the wind turbine blade. A method of manufacturing the wind turbine blade is also disclosed.2013-04-25
20130101431ROTOR, A STEAM TURBINE AND A METHOD FOR PRODUCING A ROTOR - A rotor having a first low temperature material section, a second low temperature material section attached to a first end of the first low temperature material section and a third low temperature material section joined to a first end of the second low temperature material section. The first, second and third temperature material sections are exposed to steam at a pressure less than about 180 bar. A steam turbine and a method for producing a rotor are also disclosed.2013-04-25
20130101432Erosion Resistant Helicopter Blade - A rotor blade including a main portion having a main portion leading edge shield; a main portion impact-resistant layer formed on a nose of the leading edge shield; a main portion erosion-resistant layer formed on a top and bottom of the main portion, rearward of the main portion impact-resistant layer; a main portion foil formed on the top and the bottom of the main portion rearward of the main portion erosion-resistant layer; a tip cap having a tip cap leading edge shield; a tip cap impact-resistant layer formed on a surface of the tip cap leading edge shield; and a tip cap foil formed on the top and the bottom of the tip cap rearward of the tip cap erosion-resistant layer.2013-04-25
20130101433TIE ROD - A tie rod for extending between a fan shroud and a shaft cap in a rotative assembly includes a first end with threads; a second end with threads; and an elongated portion between the first end and the second end. The tie rod has diameter to length ratio of about 1 to 40.810 to about 1 to 40.768.2013-04-25
20130101434SUPPORT RING FOR A ROTARY ASSEMBLY - A support ring for a rotary assembly such as a propeller assembly includes support cups for receiving blade roots of propeller blades. The support cups are interconnected by bridging structures. Each bridging structure includes bridging walls which extend radially from a bridging web. The bridging structures thus have a channel-shaped cross-section. The bridging walls have a scalloped configuration at their radially outer edges. As a result of this configuration, the neutral axes of the bridging structures are straight, so that the support ring behaves, in structural terms, as a polygon.2013-04-25
20130101435SHAFT CAP - A shaft cap to connect between a shaft and a tie rod on a rotative assembly includes a circular portion with a central opening for connecting to the tie rod; a conical portion extending out from the circular portion at a slope; and a pilot around the outer edge of the conical portion. The pilot includes an outer lip to connect to an end of the shaft, an inner portion to connect to the inner circumference of the shaft and an undercut portion between the outer lip and the inner portion.2013-04-25
20130101436FAN ROTOR WITH COOLING HOLES - A disc for a fan rotor (with a pilot to connect to a rotating shaft, a hub and a plurality of blades) includes a flat circular portion connecting to the pilot at an inner edge and to the hub at an outer edge; a plurality of first circular cooling holes of a first diameter located around the inner edge of the disc; and a plurality of second circular cooling holes of a second diameter located around the outer edge of the disc, wherein the second diameter is larger than the first diameter.2013-04-25
20130101437ALTITUDE-DEPENDENT COMPRESSOR CONTROL - A method for controlling an electrically driven compressor, which can be switched on and off as a function of demand, of a pneumatic suspension system, wherein the temperature of the compressor is calculated according to a temperature model inside a control device, and the compressor is switched on or off as a function of the calculated temperature, wherein, for the calculation of the temperature of the compressor according to the temperature model, the control device takes into account the air pressure surrounding the vehicle as an input variable, and the parameters of the temperature model are adapted as a function of this air pressure.2013-04-25
20130101438CUSTOMIZABLE DISPENSE SYSTEM WITH SMART CONTROLLER - Embodiments disclosed provide a customizable dispense system implementing modular architecture, the customizable dispense system comprising a smart controller configured to operate various pneumatic pumps and motor pumps in various semiconductor manufacturing processes that are sensitive to defects in printed patterns. The smart controller is configured to, upon switching from communicating with a first pump to a second pump, automatically recognize the second pump and apply a control scheme to control the second pump, which may be a motor pump or a pneumatic pump. The switching may be due to physical disconnection of the first pump and physical connection of the second pump or it can be entirely done via software. The smart controller may be connected to track and a variety of devices, including smart filters.2013-04-25
20130101439Method for Controlling and/or Regulating a Metering Pump - The present invention concerns a method of controlling and/or regulating a metering pump comprising a drive motor having a shaft driven by the motor and a displacement member arranged in a metering head, in which the rotary movement of the shaft is converted into an oscillating movement of the displacement member, wherein the displacement member, interacting with an outlet and inlet valve in alternate sequence, leads to a pump stroke (pressure stroke) and an intake stroke and thus to delivery of a medium to be metered. To provide a method of controlling and/or regulating a metering pump, which in principle manages without a position sensor on the thrust rod and can establish the metering behaviour of the pump with a high degree of precision, according to the invention it is proposed that at least one motor operating parameter, preferably a motor voltage U or a motor current I, is measured, at least one regulating parameter is calculated from the measured motor operating parameters and optionally further known motor characteristics, the at least one regulating parameter is compared to a predetermined guide parameter, and a comparison signal dependent on the result of the comparison is outputted, and can be used as a status, actuating and/or regulating signal.2013-04-25
20130101440AIR COMPRESSOR POWERED BY DIFFERENTIAL GAS PRESSURE - A gas-driven air compressor system and a method for using it. No electricity, lubrication or cooling water is required. A high pressure gas used to drive the compressor may be recovered at a pressure high enough to be retain its economic value. In one preferred embodiment, the air compressor includes a gas-driven drive cylinder and an air-driven boost cylinder, interconnected by reciprocating drive and boost pistons. The drive piston supplies force to power the boost piston, which pulls in atmospheric air and discharges it at a higher pressure for use by pneumatically-operated controls and equipment. A four-way valve operating on differential gas pressure may be used to automatically actuate the reciprocating piston. Using the present invention, fugitive gas emissions, such as normally occur when using a separator to remove oil and water from a wellhead gas stream, may be avoided.2013-04-25
20130101441PERISTALTIC 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.2013-04-25
20130101442AIR SUCTION PUMP AND METHOD FOR VACUUM SEALING VINYL BAG USING SAME - Provided are an air suction pump and a method of vacuum sealing vinyl bag using same. The air suction pump includes a base member, a housing mounted on a top of the base member to be movable in a vertical direction, a piston member disposed inside the housing to be movable in the vertical direction, a first heating wire mounted to be exposed to the outside on one or more of the top of the base member, the bottom of the housing, and a bottom of the piston member, and a power supply part supplying power to the first heating wire. A top of the housing is opened and a bottom of the housing is opened. A top of the piston member is exposed to the outside through the top of the housing. The air suction pump discharges the internal air of a vinyl bag, applies vacuum into the vinyl bag, and immediately seals the vinyl bag, thus enabling food of the vinyl bag to be easily kept in a vacuum state for a long time.2013-04-25
20130101443Variable Capacity Compressor - Lubricating performance and durability of a variable capacity compressor are secured. A first communication hole 2013-04-25
20130101444CHEMICAL LIQUID SUPPLYING APPARATUS - In a chemical liquid supplying apparatus 2013-04-25
20130101445DOUBLE DIAPHRAGM PUMP - A diaphragm pump, in which a fluid moves at least a first piston of a first piston/cylinder system back and forth, the first piston being mechanically connected to at least one other hydraulic piston and the hydraulic piston driving at least one diaphragm by a hydraulic medium.2013-04-25
20130101446HIGH EFFICIENCY IMPELLER - An impeller vane includes at least one groove on a high pressure or working surface of the impeller vane to increase pump efficiency and reduce pump power requirements. The impeller vane includes a groove or a plurality of grooves formed on the high pressure surface of the vane. The grooves extend from a leading end of the vane to a trailing end of the vane. The grooves define ridges on either side of each groove that extend the length of the groove.2013-04-25
20130101447CENTERING COUPLING FOR SPLINED SHAFTS SUBMERSIBLE PUMPING SYSTEMS AND ELECTRICAL SUBMERSIBLE PUMPS - A submersible pumping system, electrical submersible pump, and method of providing enhanced alignment of motor and driven shafts of submersible pumping systems and electrical submersible pumps, are provided. An example of an electrical submersible pump system includes a pump, a pump motor, and a seal section. The motor drives the pump via motor and driven shafts rotatingly coupled with a coupling assembly. The coupling assembly maintains the shaft ends in coaxial alignment with an alignment device. The alignment device is profiled on opposite ends for mating engagement with the centering profiles extending into the shaft ends.2013-04-25
20130101448ROTARY MACHINE AND PUMP DRIVING APPARATUS - A rotary machine includes a rotary shaft having two driving reactive force receiving parts that are displaced in an axial direction and are applied with diametrical reactive forces having different rotation phases from driving targets as normal loads; and bearings that rotatably support the rotary shaft wherein the rotary shaft is rotated at a state where the rotary shaft is supported by the bearings to drive the driving targets via the driving reactive force receiving parts, wherein the bearings are respectively provided at both axial sides of one of the two driving reactive force receiving parts, which receives a higher normal load, and wherein a leading end side of the rotary shaft more than the other of the two driving reactive force receiving part, which receive a lower normal load lower than the higher normal load, is configured as a free end.2013-04-25
20130101449Double Inlet Centrifugal Blower with Peripheral Motor - A centrifugal blower apparatus includes a scroll-shaped housing with first and second air inlets which open to a blower chamber that is in fluid communication with an air outlet. The blower includes a motor to drive an impeller, wherein the motor is secured to a frame that is coupled with the housing in a manner to substantially enhance aerodynamic performance of the blower.2013-04-25
20130101450MOTOR AND FAN - A first seal portion having a surface of a lubricating oil defined therein is defined between a sleeve portion and a bearing housing. A side communicating channel arranged to bring a first seal gap and a thrust gap into communication with each other is defined either between a sleeve portion and a bearing housing or in an outer circumferential portion of a sleeve portion. A second seal portion having another surface of a lubricating oil defined therein is defined in a gap constituted by a side minute gap between a thrust plate and a bearing housing and a lower minute gap between a thrust plate and a cap member.2013-04-25
20130101451Double Inlet Centrifugal Blower with a Solid Center Plate - A centrifugal blower apparatus includes a scroll-shaped housing with first and second air inlets which open to a blower chamber that is in fluid communication with an air outlet. The blower includes a motor to drive impellers, wherein the motor is secured to a frame coupled within the housing in a manner to substantially enhance aerodynamic performance of the blower.2013-04-25
20130101452PULSATILE ROTARY VENTRICULAR PUMP - A roller pump conduit defining a pump chamber is provided. The roller pump conduit includes a roller contact portion having a fill region and a delivery region. The fill region has a first taper configured to determine volume delivery per revolution of a roller head. The delivery region has a pressure region having a second taper and a discharge region having a third taper. The third taper has a lesser degree of taper than the second taper. The delivery region is configured to produce a pulsatile flow out of the conduit. Furthermore, a roller pump having a roller pump conduit is provided. The roller pump conduit of the roller pump has a fill region and a delivery region, the fill region having a first taper, and the delivery region having a second and third taper, wherein the third taper has lesser degree of taper than the second taper.2013-04-25
20130101453Compact Manual Pump Having Selectable Low Pressure and High Pressure Pumping Modes - A compact manual pump includes a body, a valve assembly connected with the body, and a first cylinder assembly rotatable with respect to the body. The body includes first and second collect inlets, and an exhaust outlet. The first cylinder assembly includes a seat, first and second inflating inlets. While the first cylinder assembly is rotated to switch to low pressure pumping mode, the first inflating inlet is connected with the first collect inlet and the second inflating inlet is connected with the second collect inlet and the exhaust outlet is blocked by the seat. While the first cylinder assembly is rotated to switch to high pressure pumping mode, the first inflating inlet is connected with the first collect inlet and the second inflating inlet is connected with the exhaust outlet and the second collect inlet is blocked by the seat.2013-04-25
20130101454ROTARY COMPRESSOR - In a rotary compressor of a vane rotary type, an outer peripheral surface of an eccentric portion of a shaft on a side adjacent to a center of the shaft is located radially inwardly of an outer peripheral surface of a main shaft inserted in a main bearing and that of an auxiliary shaft inserted in an auxiliary bearing. Also, a back clearance means used in mounting a piston on the shaft is provided in each of an inner peripheral surface of the piston and the eccentric portion of the shaft. Such configurations can reduce a diameter of the eccentric portion. A reduction in diameter of the eccentric portion can reduce a viscous force of oil acting between the eccentric portion of the shaft and the inner peripheral surface of the piston to thereby reduce a rotational moment about a center of the eccentric portion of the shaft, which rotational moment acts on the piston in a direction of rotation of the shaft, thus making it possible to reduce a sliding loss that is generated by a reciprocating motion of a vane in a vane groove.2013-04-25
20130101455METHOD OF FORMING A SINTERED NICKEL-TITANIUM-RARE EARTH (Ni-Ti-RE) ALLOY - A method of forming a sintered nickel-titanium-rare earth (Ni—Ti-RE) alloy includes adding one or more powders comprising Ni, Ti, and a rare earth constituent to a powder consolidation unit comprising an electrically conductive die and punch connectable to a power supply. The one or more powders are heated at a ramp rate of about 35° C./min or less to a sintering temperature, and pressure is applied to the powders at the sintering temperature, thereby forming a sintered Ni—Ti-RE alloy.2013-04-25
20130101456Method for Producing Shaped Bodies from Aluminium Alloys - The invention pertains to a method for producing molded articles based on aluminum alloys by metal injection molding, comprising the following steps: a) producing a feed-stock by mixing the metals contained in the desired alloy in the form of metal powders and/or one or more metal alloy powders with a binder; b) producing a green body by injection molding said feedstock; c) producing a brown body by at least partially removing the binder from the green body by catalytic and/or solvent and/or thermal debinding; d) sintering the at least partially debound brown body to obtain the desired molded article; characterized in that, in step c), the binder is completely removed, wherein thermal debinding is carried out to remove the (residual) binder, optionally after having carried out one or more previous debinding steps, said thermal debinding being carried out in an atmosphere containing at least 0.5% by volume of oxygen, whereafter the thus obtained, completely debound brown body is sintered.2013-04-25
20130101457STEEL FOR MACHINE STRUCTURE EXHIBITING EXCELLENT MACHINABILITY - This steel for a machine structure contains, in mass %: C: 0.40% to less than 0.75%; Si: 0.01% to 3.0%; Mn: 0.1% to 1.8%; S: 0.001% to 0.1%; Al: more than 0.1% and not more than 1.0%; N: 0.001% to 0.02%; and P: limited to not more than 0.05%, with a balance including Fe and inevitable impurities, in which the steel satisfies 139.38 ≦214×[C]+30.6×[Si]+42.8×[Mn]−14.7×[Al]≦177 and 0.72≦[C]+1/7×[Si]+1/5×[Mn]<1.539.2013-04-25
20130101458MAGNESIUM ALLOY AND METHOD FOR MAKING THE SAME - A magnesium alloy includes about 7.0 to about 8.0 wt % aluminum, about 0.45 wt % to about 0.90 wt % zinc, about 0.17 wt % to about 0.40 wt % manganese, about 0.50 wt % to about 1.5 wt % rare earth elements, about 0.00050 wt % to about 0.0015 wt % beryllium, and the rest being magnesium and unavoidable impurities. A method for making the magnesium alloy is also provided.2013-04-25