27th week of 2009 patent applcation highlights part 42 |
Patent application number | Title | Published |
20090169289 | Folder Binding Device - The present invention provides a folder binding device including a binding device main body part in which insertion holes are formed into which binding legs are inserted, operating parts which are attached to the binding device main body part in such a manner as to rotate on rotating projections at end portions thereof as fulcrums, and sliding parts adapted to slide on the binding device main body part, wherein the sliding parts are connected to the operating parts via hinge parts in such a manner as to be activated by rotary operations of the operating parts to slide on the binding device main body part, whereby both fastening and unfastening operations of binding legs are made simple and a stable fastening of the binding legs is enabled. | 2009-07-02 |
20090169290 | Vacuum Food Processor Canister Closure Valve - A vacuum food processor canister vacuum coupling assembly includes a canister closure defining a recess in a top portion of the closure. A valve stud within the recess defines an upper rim and a vacuum port extending through the closure. A vacuum valve plunger includes a valve stem extending through the vacuum port and defines a pliable upper peripheral flange to engage the rim of the valve stud to form a releasable seal. A vacuum coupler fitting is constructed to be manually press-fitted onto the valve stud to provide a press-fit seal therebetween to enable evacuation of air from a canister through the vacuum port. The press-fit seal can be maintained without manual support. The valve plunger can be displaced to release the vacuum. The valve plunger is positioned within the recess and the vacuum coupler fitting has sufficient clearance to avoid displacing the valve plunger during fitting removal. | 2009-07-02 |
20090169291 | QUICK ACTION TURNBUCKLE - An adjuster for use with a sailboat which permits rapid movement of a movable end with respect to an opposite fixed end. A threaded shaft extends through the adjuster and a rotating barrel in fixed to a nut engaging the shaft. A lock is positioned about a lower body of the adjuster and releasably engages the barrel. Engagement of the lock and the barrel permits barrel to be turned to change the length between the fixed and movable ends. Releasing engagement of the lock and the barrel permits the barrel to rotate freely about the shaft and permit rapid movement of the movable end with respect to the fixed end. | 2009-07-02 |
20090169292 | Articulating Handle Assemblies for Cleaning Tools and Methods of Use - And adapter for a mop includes first and second linear elements with a hinge element between them. The first linear element includes a pair of connection elements for a mop head adapter allowing the mop head adapter to take a first configuration and allowing the mop head adapter to take another second configuration. The configurations can position the mop head adapter at positions perpendicular to each other. The hinge element may include a locking element. The hinge element can be locked at a number of positions. | 2009-07-02 |
20090169293 | MOUNTING DEVICE FOR ATTACHING AN ELEMENT TO A TUBULAR MEMBER - A mounting device is provided for attaching an element with a spherical connection portion to a tubular member forming part of a tool carrying structure. The mounting device includes a support member with a part-cylindrical inner surface for contact with a tubular member and has two parallel radially extending wall portions which form between them a radially extending opening and guide way for a clamping block. The guide way is of a rectangular shape and has the same width as the diameter of the tubular member for sidewise entry of the support member onto the tubular member. The clamping block is formed at its one end with a part-cylindrical surface for contact with the tubular member and at its opposite end with a part-spherical surface for engagement with the spherical connection portion of an element to be attached to the tubular member, and a clamping ring is pressed by screws against the spherical connection portion to frictionally lock the attached element relative to the mounting device and the entire structure. | 2009-07-02 |
20090169294 | Reinforcing Bar Connector - A reinforcing bar connector is capable of connecting reinforcing bars easily and in a short time without using a screw-tightening tool. The reinforcing bar connector has a reinforcing bar holding section having a female screw thread part screwed on a male screw part on the outer periphery of the reinforcing bar; a flat, plate-shaped engaging section extending in the direction of a center axis C from the reinforcing bar holding section; a locking projection provided on the engaging section; and a locking hole provided in the engaging section and allowing for engagement of the locking projection of another reinforcing bar connector to the locking hole. A stopper for preventing the locking projection from falling out of the locking hole is provided at a distal end of the locking projection. An attaching hole having an inner diameter through which the stopper can pass is formed next to the engaging hole. A communicating part through which the locking projection can pass is formed between the attaching hole and the locking hole. | 2009-07-02 |
20090169295 | Pushbutton mechanism and image forming apparatus - A pushbutton mechanism includes a case member having an operation surface with a button hole and a pushbutton having an upper surface to be pushed inside the case member in a pushing direction. The upper surface includes a first portion at a front side of the operation surface and a second portion at a rear side of the operation surface. The first portion is formed in a first shape, and the second portion is formed in a second shape different from the first shape along the pushing direction. | 2009-07-02 |
20090169296 | Apparatus for Securing Fall Arrest Equipment - An apparatus and method that allows a user to secure a fall arrest system to equipment in locations not originally intended to be used for fall safety equipment. By utilizing non-conventional anchor points to secure the fall arrest system, a user can provide adequate and compliant fall arrest protection on equipment without violating the environmental or structural integrity of the equipment. | 2009-07-02 |
20090169297 | Truncated safety dome device and method - The present invention teaches that a warning dome system may have domes which are truncated and have no portion which is vertical nor near vertical, in fact, a very low angle of incline may be used. It further teaches that the material MMA (methyl methacrylate) may be used to provide an extremely hard and durable device. The present invention yet further teaches that admixtures of glass beads and the like into the mix at manufacture may allow the device to “wear down” while still providing excellent traction. | 2009-07-02 |
20090169298 | Road plate securing assembly - A road plate securing assembly for a roadway surface includes an assembly frame comprising a plurality of assembly frame members adapted for attachment to the roadway surface and each comprising a first surface, a second surface disposed at an acute angle with respect to the first surface, a uni-planar inner surface extending from the first surface to the second surface and a plate opening defined by the assembly frame members. A road plate can be fitted in the plate opening to cover a repair or construction area on the roadway. A road plate securing method is also disclosed. | 2009-07-02 |
20090169299 | DEVICE FOR LOCKING AND UNLOCKING A PLUG ON A FRAME USING A WRENCH - The invention relates to a secured device for locking and unlocking a plug on a frame with a wrench. The device has an obstructing component that is mobile with respect to a plug and can be brought from an obstructing position to an unobstructing position in which the wrench can engage a rotor of a bolt when an identification code of the wrench, read by a reader, is in agreement with the code stored in an electronic module that is associated with the plug. | 2009-07-02 |
20090169300 | Hydraulic riding trowel with automatic load sensing system - A high performance, multiple rotor, hydraulically driven riding trowel for finishing concrete includes a rigid trowel frame with two or more downwardly-projecting, bladed rotor assemblies that frictionally engage the concrete surface. The rotor assemblies are tilted with double acting hydraulic cylinders to effectuate steering and control. Double acting hydraulic cylinders also control blade pitch. Hydraulic pressure to the rotors is monitored and controlled by an unloader valve system that monitors drive pump pressure with a shuttle valve to derive an unloader pilot signal. A sequence valve responds to the unloader pilot signal to control a pressure valve that bypasses the normal foot control valve in an overpressure situation. The pressure control head signal normally applied to the hydraulic drive motor control heads is modified with a feedback signal to automatically control the associated pump swash plates. | 2009-07-02 |
20090169301 | EROSION-CONTROL STRUCTURES MADE WITH ATTACHED SANDBAGS - An erosion-control element for making erosion-control structures comprises a plurality of sandbags attached together by closed-loop attachment members which extend through holes positioned near the bag edges and not connected to the fill-holding chamber in the bag. The erosion-control elements can be used to form structures for protecting underwater shorelines or other ground subject to water erosion. | 2009-07-02 |
20090169302 | Hydrostatically operated variable height bulkhead - A self-adjusting barrier incorporates a series of float units restrained between a primary wall, such as a bulkhead, and a secondary wall, such as sheetpile. The secondary wall may be braced to the primary wall. The float units slidably interconnect along adjacent edges to self-adjust along a perimeter, such as a marina or waterfront lot, based on the height of water within the chamber (stilling basin) provided between the two walls. Mechanisms for deterring vandalism and providing increased environmental integrity are also provided for select embodiments. Methods of employing the barrier are also disclosed. | 2009-07-02 |
20090169303 | SUBSURFACE DRAINAGE SYSTEM AND DRAIN STRUCTURE THEREFOR - A subsurface drainage assembly for directing fluid drainage from a surface is disclosed. The subsurface drainage assembly includes a plurality of drain structure panels linked together in a manner that permits movement of one drain structure panel relative to the adjacent drain structure panel. The drain structure panels have a laterally extensive backing grid and a plurality of spaced apart tubular support members projecting therefrom. The tubular support members are tapered so that the tubular support members are nestable with the tubular support members of an identical drain structure panel when the drain structure panels are stacked. | 2009-07-02 |
20090169304 | INFLATABLE ROPE - An inflatable rope comprises three layers, a bladder, a sheath, and a perforated bag to keep the inflatable rope in a compressed form. The compressed form can be hurled through the air at great distance to a person overboard. The inflatable rope can be inflated to a size that eases the ability of the person, who has lost dexterity in frigid water, to hold on to it for rescuing. | 2009-07-02 |
20090169305 | Method and apparatus for varying water flow for stationary sheet flow water rides - The invention relates to a water ride with adjustable nozzles for adjusting the speed and depth of the flow of water emanating from the nozzles and onto the ride surface. The nozzles have a bladder that can be used to adjust the height of the opening and therefore the depth of the water flow. More than one adjustable nozzle can be used to vary the flow effects across the width of the ride surface. Additional adjustment bladders can be provided underneath the inclined portion of the ride surface, wherein by adjusting each bladder independently, the tilt of the ride surface transverse to the direction of flow can be adjusted. | 2009-07-02 |
20090169306 | Retaining Wall - Retaining wall device, comprising at least one first retaining wall member ( | 2009-07-02 |
20090169307 | METHOD OF PREPARING A FOUNDATION STRUCTURE - This invention provides a method of preparing a foundation structure including the steps of forming foundation trenches in the ground; and heating the ground defining the trenches sufficiently to irreversibly change the properties of the ground defining the trenches. In the case where the ground consists primarily of clay, it is heated to a temperature above a level where the ground is baked into a brick-like consistency, wherein the structural water of crystallisation is removed and any carbonaceous material and Fe is oxidised. If the ground consists primarily of sand, it is heated to a temperature above its vitrification point wherein mullite (AI | 2009-07-02 |
20090169308 | HANDHELD MULTIPURPOSE DEVICE AND METHODS USED FOR COMMUNICATION, STABILIZATION, POSITION CONTROL, SELF-DEFENSE AND ENVIRONMENTAL PROTECTION WHILE IN, OR UNDER, WATER - A handheld multi-purpose device and methods used for communication, stabilization, position control, self-defense and environmental protection while in, or under, water. Said multi-purpose device is comprised of a rod approximately 24″ in length, a handle shaped into one end of the rod, created by bending the rod into two loops one-on-top of the other, leaving approximately 12″ of the rod straight from the handle, and two end caps, one glued on each end of the rod. | 2009-07-02 |
20090169309 | Method for replacing concrete utility pole without interrupting power supply by adopting pole clamp and pole crusher - A method of replacing a concrete utility pole for the overhead distribution line without interrupting service is developed by adopting a pole clamp and pole crusher, whereby work stability is excellent and utility pole replacement work can be carried out quickly and effectively. The method is comprised of a process for connecting a pole clamp to the end portion of the boom of an auger crane, mounting the pole clamp onto the outer circumference of the old concrete utility pole to be replaced; mounting a pole crusher to the old utility pole below the pole clamp using a hot-line bucket truck, crushing the concrete of the old utility pole, cutting the reinforcing bars of the old utility pole, removing the lower portion of the old utility pole, erecting and installing a new utility pole, and relocating the arms and wires to the new utility pole. | 2009-07-02 |
20090169310 | METHOD OF SPLICING PILE CAGES, SET OF COMPONENTS THEREFOR, AND ASSEMBLED PILE CAGES - This invention relates to a method of splicing pile cages, to a set of components therefor, and to assembled pile cages, and in particular to a method of splicing together two pile cages of a reinforced concrete pile. The method employs two pile cages which are each assembled from a number of cage bars and at least one frame, one of the pile cages having a suspension band adjacent to one of its ends, the other pile cage having at least one support plate adjacent to one of its ends, the support plate having a hole therethrough. One of the pile cages is lifted into a pile hole with its end projecting therefrom, and the second pile cage is lifted over the first pile cage and lowered until a part of the cage bars of the second pile cage overlap a part of the cage bars of the first pile cage, and the hole in the support plate lies below the suspension band. A suspension bolt is inserted through the hole in the support plate so that a part of the suspension bolt lies underneath a part of the suspension band, whereby the first and second pile cages can be lifted together with the suspension bolt engaging the suspension band. | 2009-07-02 |
20090169311 | Containment structure - A particulate material containment structure and a method of manufacturing such a structure are provided herein. The structure may comprise an open-cell matrix and an intermediary composite comprising particulate material retained in a support matrix, wherein the intermediary composite is retained within the open-cell matrix. In various embodiments, the structure may comprise at least one textile layer, such as a geotextile layer. The present invention has particular application in preventing the phenomenon known as pumping erosion. | 2009-07-02 |
20090169312 | MILLING CUTTER TOOL FOR CHIP REMOVING MACHINING, AS WELL AS A CUTTING BODY AND A BASIC BODY THEREFOR - A milling cutter tool including a basic body and a replaceable cutting body. The basic body includes an envelope surface and two opposite ends, between which a geometrical center axis (C | 2009-07-02 |
20090169313 | Cutting Insert and Cutting Tool Therefor - A cutting tool has at least one cutting insert seated therein. The cutting insert has a longitudinal axis, an upper surface, a lower surface and a peripheral surface that extends between the upper surface and the lower surface. At least a portion of an intersection between the upper surface and the peripheral surface constitutes a cutting edge. The lower surface has at least one set of base abutment surfaces, each set including at a least one major base abutment surface and at least one minor base abutment surface, the major and minor base abutment surfaces of a given set being spaced apart from one another along the longitudinal axis. When the lower surface has two such sets of base abutment surfaces, the major and minor base abutment surfaces of the first set are longitudinally displaced from the corresponding major and minor base abutment surfaces of the second set. Furthermore, the major and minor base abutment surfaces of the first set lie on a first base abutment plane while the major and minor base abutment surfaces of the second set lie on a second base abutment plane, the first and second base abutment planes forming a first non-zero angle therebetween. | 2009-07-02 |
20090169314 | CUTTING TOOL AND INSERT FOR CUTTING TOOL - A cutting tool includes a cutting insert and a toolholder including at least one insert supporting surface. A first clamp is adapted to apply a clamping force in a first direction to clamp the insert to the insert supporting surface, and a second clamp is adapted to limit rotation of the insert about an axis extending substantially in the first direction. The toolholder includes a second insert supporting surface. The second clamp applies a clamping force to the insert in a second direction to clamp the insert to the second insert supporting surface, and the second insert supporting surface is disposed on an opposite side of the insert from the second clamp. | 2009-07-02 |
20090169315 | CVD Coated Cutting Tool Insert for Milling - Coated cemented carbide milling tool inserts are disclosed comprising a cemented carbide body and a coating. The cemented carbide body has a composition of about 7-15 wt % Co, cubic carbonitride phase and WC with a surface zone with a thickness of at least about 5 μm which is binder phase enriched and essentially free of cubic carbonitride phase and a wear resistant coating comprising at least one layer of Al | 2009-07-02 |
20090169316 | Coring Tool Alignment System - A compact assembly for aligning a coring tool relative to a pipe sidewall. The coring tool includes a hollow, cylindrical hole saw mounted to an arbor that has an elongated pilot shaft centered in the hole saw. The assembly is made up of a base plate that is attachable to the pipe sidewall. A tubular sleeve is mounted to the base plate and has a bore diameter sized for receiving the pilot shaft as the hole saw is advanced toward and saws through the pipe wall, and the entire assembly is sized to fit inside the hole saw as the hole saw saws through the pipe sidewall. | 2009-07-02 |
20090169317 | Hole Saw Holder - A hole saw holder comprising an elongate body having a first end and a second end, wherein the first end has an external thread ( | 2009-07-02 |
20090169318 | CUTTING TOOL ASSEMBLY WITH AN ECCENTRIC DRIVE MEMBER - A cutting tool assembly having a tool holder and a cutting tool. The cutting tool has a shank that is matingly received within an axial bore in the lower end of the tool holder. The shank includes an eccentrically-shaped driver portion. The tool holder's axial bore includes an enlarged eccentrically-shaped drive opening which is complementary in shape to, but slightly larger than, the driver portion. When the shank is inserted into the axial bore, the driver portion and drive opening are aligned allowing the cutting tool to be partially rotated relative to the tool holder. This partial rotation abuts a portion of the eccentric driver portion against the drive opening wall to provide rigid support of the cutting tool against further rotation as the tool assembly cuts. A cammed fastener releasably interlocks the partially rotated cutting tool within the tool holder. | 2009-07-02 |
20090169319 | DOWNHOLE DEBURRING TOOL - A downhole deburring tool is equipped with retractable cutters which permit it to fit through restrictions in a wellbore—e.g., a subsurface safety valve—and subsequently expand to deburr or scrape a section of tubing having an internal diameter greater than that of the restriction. In one preferred embodiment, tapered surfaces on the tool act to effect retraction of the cutters during withdrawal of the tool from a wellbore. Deburring operations with the tool may increase the effectiveness of bridge plugs and/or ball sealer systems to permit chemical treatment of selected zones. Scraping operations with the tool to remove scale, corrosion and other material from the inner surface of a well tubular can increase the effective diameter of the tubing thereby allowing greater production | 2009-07-02 |
20090169320 | Tonneau or Cargo Cover Support System and Method - A cargo support and storage system for use in a vehicle and method is provided and includes a first stabilizing element having a primary end and a secondary end. The primary end of the first stabilizing element is extendible from a first sidewall to a second sidewall of the vehicle. A second stabilizing element can include a primary end and a secondary end, the primary end of the second stabilizing element being extendible from the first sidewall to the second sidewall of the vehicle. The first and second stabilizing elements are spaced away from and substantially parallel to each other, and can be formed as belts. When in use, the first and second stabilizing elements can be maintained in tension, but can be removed or retracted when not in use so that they do not take up space in the cargo area of the vehicle. A storage box can be provided and tailored to include extension that mate with the stabilizing elements such that the box can be hung in the cargo area. The cargo support and storage system according to the disclosed subject matter provides for a lower cost, lower weight and space efficient solution to cargo storage needs in a vehicle. | 2009-07-02 |
20090169321 | TIE DOWN ANCHOR DEVICE - A tie down anchor device useful, for example, in providing a securement surface for holding cargo within a sled or trailer via a strap or other tie down implement. The tie down anchor device includes an extension body, an attachment assembly, and a loop body. The extension body is flexible but substantially inelastic, formed from a fabric material. The attachment assembly is configured for removably mounting the anchor device to a surface, and is connected to a trailing section of the extension body. The loop body is movably maintained by a leading section of the extension body. With this configuration, upon mounting of the anchor device to a surface (e.g., floor of a sled), the loop body is readily available for connection to an end of a tie down implement (e.g., a hook provided with a rubber strap). | 2009-07-02 |
20090169322 | Load Device for Vehicles - The present invention relates to a load device ( | 2009-07-02 |
20090169323 | INTEGRATED SHIPPING FIXTURE AND ASSEMBLY METHOD FOR JOINTED WIND TURBINE BLADES - An integrated shipping and alignment fixture for shipping and aligning a jointed multi-section wind turbine blade is provided. The fixture includes a first shipping fixture supporting a first end of a section of the multi-section wind turbine blade; a second shipping fixture supporting a second end of a section of the multi-section wind turbine blade; supports on the the first shipping fixture and the second shipping fixture for retaining one end of the section of the wind turbine blade; an aligning device for aligning a detached section of the multi-section wind turbine blade with a retained section of the wind turbine blade; and a clamping device for clamping a detached section with a retained section. | 2009-07-02 |
20090169324 | Fastener with shear bushing - A fastener is disclosed including a threaded male fastener and a shear bushing for coupling thin walled structures together. The shear bushing having an internal through opening and a shear ring constructed to project across an interface of adjacent walls is operable for absorbing shear loads transmitted into the fastener from a fastened structure. The male fastener includes a threaded portion extending through the shear ring for engaging a threaded female receiver. | 2009-07-02 |
20090169325 | SYSTEM FOR INTEGRATING RIVET NUTS INTO PLASTIC COMPONENTS - The system is intended for fixing metal rivet nuts ( | 2009-07-02 |
20090169326 | FASTENING DEVICE - A fastening device to be fitted into a support part ( | 2009-07-02 |
20090169327 | Weldable nut assembly - A weldable nut assembly includes a plate body and a nut body. The plate body has top and bottom sides, and is formed with an installation hole, and a plurality of welding portions that protrude from the bottom side of the plate body. The nut body includes a nut portion that abuts against the top side of the plate body and that is in spatial communication with the installation hole, an upper annular flange that abuts against the top side of the plate body, and a lower annular flange that extends downwardly and coaxially from a bottom side of the nut portion, that extends into the installation hole, and that is machined so as to abut against the plate body. The lower annular flange has a plurality of teeth that abut against the plate body and that cooperate with the upper annular flange for clamping the plate body therebetween. | 2009-07-02 |
20090169328 | Fixing Implement - The object of the invention is to provide a fixing implement which fulfills an excellent looseness prevention function while firmly fastening a member using an irreversible looseness prevention device, which is excellent in durability, workability when fixing the member and corrosion resistance and which can firmly fastens the member without increasing the number of component parts. The fixing implement includes a bolt section | 2009-07-02 |
20090169329 | PUSH-ON BOLT STABILIZER - The invention provides for a retainer for stabilizing a threaded member. The retainer may include a base portion having an opening and an outer perimeter lying in a first plane, the opening having a plurality of elongated sections each extending toward the outer perimeter so as to define in the base portion one or more arms. Each of the aims may have a head section having at least one groove, the head sections being located in a second plane which is parallel to and spaced apart from the first plane. The elongated sections may be symmetrically arranged about an axis. The grooves may be arranged to define at least a portion of a helix. The outer perimeter of the retainer may be circular. | 2009-07-02 |
20090169330 | THREADED FASTENER SHAFT HAVING A DEFORMABLE THREADED PORTION - A fastening mechanism including a shaft, wherein the shaft is effectively threaded; the shaft includes a threaded non-deformable material interspersed with at least one portion of a threaded deformable material. | 2009-07-02 |
20090169331 | Wall anchor - A wall anchor attachable to a wall, the wall defining a wall aperture. The wall anchor includes a body; a retention element operatively coupled to the body so as to be reversibly movable between a retracted configuration and an expanded configuration, wherein, when the retention element is in the retracted configuration, the wall anchor is insertable into and removable from the wall aperture, and, when the retention element is in the expanded configuration and the body is operationally extending through the wall aperture, the retention element cooperates with the body to attach the wall anchor to the wall; and an actuator operatively coupled to the retention element for selectively moving the retention element between the expanded and retracted configurations. Inserting the wall anchor through the wall aperture with the retention element in the retracted configuration and subsequently using the actuator to move the retention element to the expanded configuration attaches the wall anchor to the wall. Using the actuator to move the retention element from the expanded configuration to the retracted configuration with the wall anchor attached to the wall allows for the removal of the wall anchor from the wall aperture to detach the wall anchor from the wall. | 2009-07-02 |
20090169332 | Anchor Integrated Liner and Machine Installation Method - It is an object to prevent the occurrence of noise from a hollow of an anchor integrated liner, to facilitate the installation of the anchor integrated liner, and to fix its liner part to its anchor shaft part. | 2009-07-02 |
20090169333 | Screw head - This new screw head consists of a recess resembling a double dove tail design. It is capable of receiving a conventional twist bit. Its primary purposes are to increase safety and expediency. | 2009-07-02 |
20090169334 | Bimate screw - The present invention pertains to a bimate screw providing with a first section alternating with a second threaded section; wherein, the second threaded section has a smaller outer diameter than the first threaded section, and further a plurality of concavities are disposed on each thread of the second threaded section for defining two flanks therein. In this manner, both the first and the second threaded sections facilitate to sever and shatter cuttings so as to reduce the screwing resistance and prevent the object from being damaged under the accumulation of cuttings; simultaneously, the bimate screw effectively attains to a good resistance of extraction from the object by the concavities receiving the remaining cuttings which are not guided out of the object. | 2009-07-02 |
20090169335 | INTERNAL THREAD HOLE CLOSING PLUG - An internal thread hole closing plug for closing an internal thread hole in a weld nut and a hole in a body panel includes a flange, column and elastic latching pieces and that extend from the column toward the flange and away from the column. The tips of the elastic latching pieces engage the thread flanks of the internal thread hole in correspondence with the lead angle of the threads thereof to align the axis of the column with the axis of the internal thread hole. The pair of lower elastic latching pieces extend in one radial direction, centered on the column, and the pair of upper elastic latching pieces extend in a radial direction that crosses the lower elastic latching pieces. This causes the axis of the column to be aligned with the axis of the internal thread hole when the column is passed through the internal thread hole. | 2009-07-02 |
20090169336 | Locking Device With Quick Release Mechanism - A locking device includes an outer ring in which a clutch disc and a locking disc are respectively connected at two opposite sides thereof A first pad is located on clutch disc and a second pad is located on the first pad. A plurality of balls are located between adjacent first and second protrusions of the first and second pads. A plurality of springs are biased between the far first and second protrusions. A screw bolt connected with a grinding wheel is threadedly extended through the locking disc. When the outer ring is rotated in first direction, the balls do not fall into the recesses defined in the locking disc so as to push the clutch disc to lock the grinding wheel. When the outer ring is rotated in second direction, the balls fall into the recesses and the clutch disc is loosened from the grinding wheel. | 2009-07-02 |
20090169337 | Eccentric Fastening Device - An eccentric fastening device is provided. The eccentric fastening device includes a first threaded fastener, a base and a rotary lug providing a non-fastened pre-assembled position. The base includes a top, a bottom, a stem and a hole, where the stem axially extends from the bottom of the base, and the hole axially extends from the top through the stem of the base. The rotary lug is releasably retained in the hole of the base by the first threaded fastener. The rotary lug includes a cylindrical portion having a thread and a head, wherein the head is offset from the cylindrical portion. The cylindrical portion is substantially axially concentric with the hole of the base, allowing the head to be eccentrically rotated on or off of the stem, whereby a selective structure may be variably clamped and releasably retained between said head and said base. An aircraft having an eccentric fastening device is also provided. A method of installing the same is also provided. | 2009-07-02 |
20090169338 | Tape binding device - A tape binding device includes a loop forming mechanism for forming a loop for winding a material to be bound at an end of a tape. The loop forming mechanism includes a plurality of belt conveying mechanisms arranged in a polygonal shape in a conveyance direction for absorbing the tape by air suction and conveying the tape. Each of the belt conveying mechanisms includes a plurality of endless conveying belts extending parallel to the conveyance direction and arranged in a direction perpendicular to the conveyance direction with a space for air suction provided therebetween. | 2009-07-02 |
20090169339 | Placing Device Building System and Method of Constructing a Multi-Storey Building - A placing device ( | 2009-07-02 |
20090169340 | BALE FEEDER AND TRANSPORT DEVICE - A round bale sled that is a combination round bale feeder and transport device. In one embodiment, the bale sled includes a bale holding portion and a base. The bale holding portion is configured to hold a round bale. The base is coupled to the bale holding portion. The base is configured to allow the bale sled to be pulled in a select direction. Moreover, the base is further configured to allow for a pivot loading of the round bale in the bale holding portion. | 2009-07-02 |
20090169341 | Method and system for handling objects in chambers - Techniques for transferring workpieces from one chamber to another chamber are disclosed. According to one aspect of the techniques, a treatment system includes a load lock chamber, a transfer chamber and one or more process chambers. The load lock chamber is provided to receive workpieces for treatment or process in one or more process chambers. The transfer chamber is provided as a mechanism to move workpieces from one chamber to another chamber. The process chamber includes a set of electrodes used to treat the workpieces with other materials. To facilitate the transfer of the workpieces, the process chamber is designed to position each of the workpieces vertically between a pair of electrodes, where each of the workpieces is removably held up by a fixture. Depending on implementation, the workpieces may be mounted on one fixture or multiple fixtures respectively. The fixture(s) is then mounted to a moving mechanism that facilitates the fixture(s) to move from one chamber to another chamber. | 2009-07-02 |
20090169342 | Load port - A load port ( | 2009-07-02 |
20090169343 | Drive Apparatus of Substrate Carrying Robot Including Cooling Circulation Path - There is provided a robot for carrying a substrate in which a contact type vacuum seal is cooled, the vacuum seal is prevented from exceeding a heat resistance temperature, and a trouble of leaking the atmosphere into a carrying chamber maintained in airtight is prevented from being brought about. | 2009-07-02 |
20090169344 | Substrate processing apparatus and substrate processing method - A substrate processing apparatus | 2009-07-02 |
20090169345 | Tray Holding Device - A tray holding device includes a frame ( | 2009-07-02 |
20090169346 | SEMICONDUCTOR WAFER CARRIER BLADE - A carrier blade for transferring a semiconductor wafers into and out of a deposition chamber may include transition surfaces sloping downward from ledge surfaces. The transition surfaces slope from the corresponding ledges at angles that are greater than about 90 degrees so that the edges between the ledge surfaces and the transition surfaces are not sharp. The carrier blade may include bevels extending from the ledge surface(s) to upper lateral edges of the carrier blade. | 2009-07-02 |
20090169347 | WORKSTATION - A workstation including a workstation body, a horizontal omni-directional moving carrier, a sensor mechanism, a grabbing device, and a control unit is provided. The horizontal omni-directional moving carrier carries the workstation body. The sensor mechanism includes an oscillating bar and a plurality of electrodes. The oscillating bar pivoted on the workstation body leans against an autonomous mobile device when the device enters the workstation. The electrodes, disposed on the oscillating bar, electrically connect the autonomous mobile device when the oscillating bar leans against the autonomous mobile device. The grabbing device is disposed on the workstation body. The control unit is electrically connected to the electrodes and the grabbing device. When the oscillating bar leans against the autonomous mobile device, the control unit receives a signal from the electrodes and drives the grabbing device to grab the autonomous mobile device, such that the workstation body aligns with the autonomous mobile device. | 2009-07-02 |
20090169348 | SYSTEMS AND METHODS FOR IDENTIFYING AND COLLECTING BANNED WASTE - Systems and methods for authorizing a waste item to be removed from a site are disclosed. In one embodiment, a waste collection vehicle includes a reader configured to obtain identification information from an identification tag associated with the waste item. A transceiver associated with the vehicle is configured to: receive the identification information from the reader, wirelessly transmit the identification information to a remote computer for processing, and wirelessly receive an indication of whether the waste item should be collected and removed by the waste collection. The received indication is based on at least one hazardous characteristic associated with the identified waste item, a determination that the waste collection vehicle is authorized to collect the waste item having the at least one hazardous characteristic, and a determination that a driver of the waste collection vehicle is authorized to collect the waste item having the at least one hazardous characteristic. | 2009-07-02 |
20090169349 | Conveyor with set-back front wheel assembly - A conveyor for loading items into a trailer, the conveyor comprising a transport surface with a discharge end and a receiving end, a belt or rollers on a top side of the transport surface that transports items over the transport surface, and a wheel assembly coupled to a bottom side of the transport surface at a distance of approximately L from the discharge end of the conveyor, where the distance L is approximately 75-88% of the length of the trailer. Embodiments of the invention may be used to safely transport items to and from a drop-frame trailer with a trailer conveyor assembly that is mounted on the bottom interior surface of the drop-frame trailer. Some embodiments of the invention may further comprise an obstruction sensor mounted on at least one of the bottom side of the transport surface between the wheel assembly and the discharge end of the transport surface, or on the discharge end of the transport surface. | 2009-07-02 |
20090169350 | PAPER ROLL TRANSPORT CART - A three wheeled cart for transporting heavy rolls of paper to and from unwinders and reminders. The operator stands at the rear end where he can start and stop the cart, steer it, and control the carriage at the front end for lifting the paper roll from the floor and/or into a processing machine. The steerable rear wheel is driven electrically from a twist type throttle on a steering handle that can be moved from an active position to a stowed position. In the stowed position the cart is secured by the same motor-brake that drives the single rear wheel. | 2009-07-02 |
20090169351 | AUTOMATIC STACKING DEVICE - An automatic stacking device includes a plurality of successive conveyors to convey properly cut corrugated paper board. By setting the conveyors at different operation speeds and different levels, paper boards can be deposited in stacked forms by predetermined numbers. Thus, the paper boards are deposited to form alternately offset stacks in a vertical pile of paper board. Mechanisms are incorporated to laterally shifted stacks of paper boards during the deposition of the paper boards to allow the paper boards to be piled up in the form of multiple and alternately shifted stacks to facilitate subsequent packaging and shipping. | 2009-07-02 |
20090169352 | DYNAMIC ITEM-SPACE ALLOCATION AND RETRIEVAL - Embodiments of the present invention address deficiencies of the art in respect to staging manufactured items and provide a method, system and computer program product for staging items in a manufacturing environment. In an embodiment of the invention, a method for staging items in a manufacturing environment can be provided. The method can include defining attributes of staging locations in a distribution area of the manufacturing environment, defining a set of staging strategies for use in the distribution area of the manufacturing environment, receiving a manufactured item in the distribution area and obtaining characteristics of the manufactured item, comparing the obtained characteristics of the manufactured item to the set of staging strategies to select the staging strategy to apply to the manufactured item and applying the selected staging strategy to the manufactured item to assign the manufactured item to storage in one of the staging locations in the distribution area based on matching the obtained characteristics of the manufactured item to the defined attributes of the one of the staging locations. The method can further include the retrieval of the manufactured item from the staging location at the appropriate time to allow for subsequent processing or shipment, and may include multiple iterations of the staging-retrieval process as required by the particular implementation. | 2009-07-02 |
20090169353 | PALLET INSPECTION AND REPAIR SYSTEM AND ASSOCIATED METHODS - A pallet inspection and repair system includes a pallet in-feed for receiving pallets for inspection, and an automated pallet inspection system for inspecting the pallets. A processor cooperates with the automated pallet inspection system to generate a repair recipe for each pallet based on the inspecting, and compares the repair recipes to determine at least one performance repair parameter for the pallets. The at least one performance repair parameter corresponds to a type of repair to be made to the pallets. | 2009-07-02 |
20090169354 | Apparatus for Use of Flow Energy - The apparatus for use of flow energy has elongated circumferential elements ( | 2009-07-02 |
20090169355 | Utilization of renewable energy sources with a passively Savonius rotor (PVSR) - A Savonius Rotor may use the flow of wind or the flow of water from undersea current or tidal movement. The Savonius Rotor is passively vented and has a base support ring, and a space frame support structure supported on the base support ring. The space frame has building block cube elements which facilitate the ease of on-site assembly and erection. The space frame support structure supports sails and louvered panel assemblies for each of the cube elements. The louvered panel assemblies close passively when facing into the wind or ocean flow and open passively when moving into the wind or ocean flow. A distributed gearbox including planetary power takeoff assemblies located on the perimeter of the base support ring is provided for transfer of the extracted wind or ocean flow through the planetary power takeoff assemblies at points arrayed about the perimeter of the base ring. | 2009-07-02 |
20090169356 | Plasma Enhanced Compression System - A compression system is disclosed, the compression system comprising a rotor having a circumferential row of blades each blade having a blade tip, a static component located radially outwardly and apart from the blade tips, a detection system for detecting an instability in the rotor during the operation of the rotor, and a mitigation system that facilitates the improvement of the stability of the rotor when an instability is detected by the detection system. A gas turbine engine comprising a detection system for detecting an instability during the operation of the fan section and a mitigation system that facilitates the improvement of the stability of the fan section is disclosed. | 2009-07-02 |
20090169357 | Methods and apparatus for error reduction in rotor loading measurments - A method for correcting offsets in sensors includes mounting, on a rotating machine, a first set of sensors in locations selected to measure vector loads in a first set of coordinates. The method further includes mounting, on the rotating machine, a second set of sensors in locations selected to measure vector loads in a second set of coordinates, wherein the first set of coordinates and the second set of coordinates rotate with respect to one another when the rotating machine is operating. The method also includes utilizing measurements from either or both of the two sets of sensors to correct offset errors in vector loads measured by the other set of sensors. | 2009-07-02 |
20090169358 | WATER LUBRICATED LINE SHAFT BEARING AND LUBRICATION SYSTEM FOR A GEOTHERMAL PUMP - The present invention provides a water lubricated line shaft bearing assembly, comprising an outer annular steel shell and an inner layer made of low friction material attached to the outer shell, the inner layer having a non-uniform thickness which is formed with wall portions of increased thickness defining a plurality of shaft engaging portions and with wall portions of reduced thickness defining a plurality of lubricant passages. The shaft engaging portions are capable of being journalled on a line shaft adapted to drive a downhole geothermal production pump and the steel shell is engageable with an inner wall of a lubrication tube vertically extending through a water column through which pumped geothermal fluid is delivered, lubrication water bled from the pumped geothermal fluid being used to supply lubrication water through the lubricant passages. The steel shell has sufficient compressive strength to withstand the stress imposed by the high rotational speed of the line shaft of the geothermal production pump. The low friction material of the inner liner allows solid debris present or entrained in the lubrication water to slide over the inner line. Solid debris is prevented from accumulating due to the presence of the passages through which the lubrication water flows. | 2009-07-02 |
20090169359 | HEAT EXCHANGER ARRANGEMENT FOR TURBINE ENGINE - A turbine engine cooling arrangement includes a core passage for receiving a core flow for combustion, a first airflow source including a first passage adjacent the core passage for conveying a first airflow, and a second airflow source including a second passage adjacent the first passage for conveying a second airflow. A heat exchanger is thermally connected with the first passage and the second passage for transferring heat between the first airflow and the second airflow. | 2009-07-02 |
20090169360 | Turbine Nozzle Segment - A turbine nozzle segment includes a band having a flowpath side and a non-flowpath side and an enclosure disposed on the non-flowpath side of the band. A plenum may be defined between the band and the enclosure and a discourager may extend from the enclosure. | 2009-07-02 |
20090169361 | COOLED TURBINE NOZZLE SEGMENT - A turbine nozzle segment may have a band having a flange extending radially from a non-flowpath side and an aft end. A plurality of airfoils may extend radially from a flowpath side of the band and may have trailing edges. A plurality of cooling holes may be disposed in the flange and directed at the aft end between the trailing edges. | 2009-07-02 |
20090169362 | Instability Mitigation System - An instability mitigation system is disclosed, comprising a detection system for detecting an onset of an instability in a rotor during the operation of the rotor, a mitigation system that facilitates the improvement of the stability of the rotor when the onset of instability is detected by the detection system, a control system for controlling the detection system and the mitigation system. | 2009-07-02 |
20090169363 | Plasma Enhanced Stator - A compression system is disclosed, the compression system comprising a stator stage having a row of a plurality of stator vanes arranged around a centerline axis, each stator vane having a vane airfoil and at least one plasma actuator located on the stator stage. Exemplary embodiments of a detection system for detecting an instability in a compression system rotor and a mitigation system that facilitates the improvement of the stability of the rotor are disclosed. | 2009-07-02 |
20090169364 | PROGRESSIVE CAVITY APPARATUS WITH TRANSDUCER AND METHODS OF FORMING AND USE - The present invention relates to a stator ( | 2009-07-02 |
20090169365 | PUMP - The invention relates to a pump for pumping contaminated liquid including solid matter, comprising a pump housing provided with a rotatable impeller ( | 2009-07-02 |
20090169366 | Variable Geometry Turbine For A Turbocharger And Method Of Controlling The Turbine - There is described a variable geometry turbine having a sliding element ( | 2009-07-02 |
20090169367 | Instability Mitigation System Using Stator Plasma Actuators - An instability mitigation system is disclosed, comprising a stator stage located axially proximate to a rotor, the stator stage having a row of a plurality of stator vanes arranged around a centerline axis, and a mitigation system comprising at least one plasma actuator mounted on the stator vane that facilitates the improvement of the stability of the rotor, and a control system for controlling the operation of the mitigation system. An instability mitigation system further comprising a detection system for detecting an onset of an instability in a rotor and a control system for controlling the detection system and the mitigation system are disclosed. | 2009-07-02 |
20090169368 | BLADE OUTER AIR SEAL - A turbine engine blade outer air seal segment has a body having a base portion. The base portion has a transversely concave ID face, a forward end, an aft end, and first and second circumferential edges. The body has at least one mounting hook. The body comprises a metallic member and a ceramic member. The ceramic member and metallic member are joined along the base portion with the ceramic member inboard of the metallic member. | 2009-07-02 |
20090169369 | TURBINE NOZZLE SEGMENT AND ASSEMBLY - A turbine nozzle segment includes a band having a plurality of circumferentially spaced apart tabs and a single airfoil extending from the band. | 2009-07-02 |
20090169370 | TURBINE NOZZLE SEGMENT - A turbine nozzle segment includes a band having a plurality of tabs, an airfoil extending from the band and a support structure attached to the tabs. The support structure has a plurality of biasing structures. | 2009-07-02 |
20090169371 | STATOR CASCADE OF TURBO TYPE FLUID MACHINE - In the invention, stator blades are arranged in such a manner that respective intervals between the adjacent stator blades (SV) become unequal at least partly. If the stator blades are arranged as mentioned above, there are formed wave fronts having different moving directions and phases, and these wave fronts are interfered with each other so as to be attenuated. Accordingly, an interference noise is reduced. Therefore, in accordance with the invention, it is possible to reduce an interference noise without enlarging a rotor stator blade interval as well as reducing a used amount of a sound absorption material. | 2009-07-02 |
20090169372 | METHOD OF PRODUCING A PROTECTIVE COATING, PROTECTIVE COATING, AND COMPONENT WITH A PROTECTIVE COATING - A method for producing a wear-resistant, temperature-resistant, and corrosion-resistant protective coating for a component, in particular for components of a gas turbine, using thermal spraying, wherein during the application onto the component of the protective coating, which consists of a hard material-metal combination, in order to produce an abrasive surface a structuring of that surface of the protective coating that faces away from the component takes place, the hard material or materials consisting of boron nitride particles, titanium carbide particles, tungsten carbide particles, chromium carbide particles, and zirconium oxide particles, or a mixture thereof, and the hard materials having a particle size of 0.1 μm-200 μm, and the protective coating having a thickness of 10 μm-6.0 mm. | 2009-07-02 |
20090169373 | CENTRIFUGAL BLOWER AND BOTTOM HOUSING THEREOF - A centrifugal blower ( | 2009-07-02 |
20090169374 | Impeller for a Pump Unit and Associated Pump Unit - An impeller is provided for a pump unit, in particular for a waste water pump unit, having two cover plates ( | 2009-07-02 |
20090169375 | DEVICE FOR STIFFENING THE STATOR OF A TURBOMACHINE AND APPLICATION TO AIRCRAFT ENGINES - The invention concerns a novel type of turbomachine. | 2009-07-02 |
20090169376 | Turbine Nozzle Segment and Method for Repairing a Turbine Nozzle Segment - A turbine nozzle segment includes a first band, an airfoil extending from the first band and a support attached to the first band. The support may have a plurality of circumferentially spaced apart tabs. | 2009-07-02 |
20090169377 | Fan Frame Structure - A fan frame structure includes a plastic casing and a metal fixing frame. The plastic casing and the metal fixing frame are provided for an axial flow fan or a blower fan. The plastic casing includes a bottom having a plurality of first fixing portions. The metal fixing frame includes a base having a base with a shaft tube seat in a center thereof. The base includes a plurality of second portions each engaged with one of the first fixing portions. Since the plastic casing is made of inexpensive plastic material, the manufacturing costs are cut. The metal fixing frame provides sufficient structural strength and desired heat dissipating effect. | 2009-07-02 |
20090169378 | WIND TURBINE, WIND TURBINE CONTROLLER AND METHOD FOR CONTROLLING A WIND TURBINE - A wind turbine having at least one rotor blade attached to a rotor hub is provided, wherein the wind turbine further includes at least one sensor disposed at or near the rotor blade, the sensor being adapted to detect an aerodynamic condition of the rotor blade. | 2009-07-02 |
20090169379 | METHODS AND APPARATUS FOR ADVANCED WIND ENERGY CAPTURE SYSTEM - Methods and apparatus of improved wind energy capture system design and operation are discussed. Improved wind energy capture system blade/sail implementations are described. Retractable sails are used in a novel configuration in some but not all implementations. In one embodiment, a turbine blade assembly includes a plurality of uniformly spaced hollow blades. Each hollow blade includes a furling rod onto which a retractable sail can be rolled and stored. Each hollow blade also includes a sail tensioning cable guide for providing tension for a retractable sail included in an adjacent hollow blade. The turbine blades are secured at their root end to a hub assembly. In some but not all embodiments the turbine blades are supported at their tip end, e.g., by using a set of support cables which provide tension. Computer control and automated operations of sail deployment and/or blade adjustments are implemented. | 2009-07-02 |
20090169380 | MAGNETOSTRICTIVE MEASUREMENT OF TENSILE STRESS IN FOUNDATIONS - A foundation for supporting a structure is provided. The foundation includes a foundation body, at least one anchor bolt connecting a lower anchor plate and the structure, a magnetostrictive load measuring sensor for measuring loads on the at least one anchor bolt, the magnetostrictive load measuring sensor being positioned within the foundation body. | 2009-07-02 |
20090169381 | ROTOR BLADE FOR A ROTOR AIRPLANE - A rotor blade comprises an inner rotor blade root area, a rotor blade main area disposed adjacent to the inner rotor blade root area along a length of the rotor blade and having an aerodynamically effective rotor blade profile, the profile including a nose area and a rear edge area, and a rotor blade tip disposed adjacent to the rotor blade main area along the length of the rotor blade. The rotor blade tip is configured to be deformable relative to the rotor blade main area and is operatively connected to a first actuator device. The first actuator device is configured to initiate a vertical movement of the rotor blade tip upwards or downwards relative to the lift direction. The vertical movement starts from a neutral position relative to the rotor blade main area. | 2009-07-02 |
20090169382 | FLUID-DRIVEN POWER PLANT - A fluid-driven power plant for harnessing power from a fluid flowing in a preselected direction has a shaft mounted for rotation about a primary axis substantially perpendicular to the preselected direction and at least three blades attached to the shaft, each of the blades having a frame and at least one panel hingedly attached to the frame, with no more than two of the blades attached to the shaft at any particular axial position along the shaft. In specific embodiments, each of the at least three blades is attached to its frame at a location radially outwardly from the shaft for rotation about an axis substantially parallel to the primary axis. Two of the blades may be attached to the shaft at a first axial location along the shaft and two other blades may be attached to the shaft at a second axial location along the shaft. | 2009-07-02 |
20090169383 | ROTOR BALANCE DEVICE AND METHOD - A rotor balance fitting to balance an aircraft rotor includes a ring, bore, and cup. The ring includes an inner surface configured to mate with an outer surface of a blade for the aircraft rotor. The bore is disposed through the ring and configured to receive a blade pin that passes perpendicularly through an axis of the blade and secures the blade to the rotor. The cup is disposed in the ring and is configured to secure a weight. | 2009-07-02 |
20090169384 | METHODS AND SYSTEM FOR BALANCING TURBINE ROTOR ASSEMBLIES - A balancing system and method for reducing imbalance in a rotatable member of a machine is provided. The system includes a plurality of vibration sensors positioned about a stationary portion of the machine, a controller assembly communitively coupled to the plurality of vibration sensors, and a balancing assembly coupled to the rotatable member, said balancing assembly configured to wirelessly communicate with said controller assembly, said balancing assembly configured to modify the weight distribution of the rotatable member in response to a command wirelessly transmitted from the controller assembly. The controller assembly is configured to receive data from the plurality of vibration sensors and determine an imbalance in the rotatable member using the received data. | 2009-07-02 |
20090169385 | FAN-TURBINE ROTOR ASSEMBLY WITH INTEGRAL INDUCER SECTION FOR A TIP TURBINE ENGINE - A fan-turbine rotor assembly for a tip turbine engine includes a fan hub with an outer periphery scalloped by a multitude of elongated openings which extend into a fan hub web. Each elongated opening defines an inducer section and a blade receipt section to retain a hollow fan blade section. The blade receipt section retains each of the hollow fan blade sections adjacent each inducer section. The inducer sections are cast directly into the fan hub which minimizes leakage between each fan blade section and each of the respective inducer sections to minimize airflow leakage and increase engine efficiency. | 2009-07-02 |
20090169386 | ANNULAR TURBINE RING ROTOR - A fan-turbine rotor assembly ( | 2009-07-02 |
20090169387 | FAN ASSEMBLY - A fan assembly is provided. The fan assembly includes a fan, and a shroud having a motor mounting portion on which a fan motor of the fan is mounted. One or more coupling units are provided at a lower side of the shroud, and on a planar surface of an apparatus, and one or more vibration preventing members are interposed between the coupling units. Because the fan and the motor mounted thereto cause vibration and noise to the fan assembly in the apparatus, the vibration preventing members are interposed between the coupling units of the shroud and the apparatus to reduce the amount of vibration and noise transmitted from the fan and the motor to the apparatus. | 2009-07-02 |
20090169388 | Multiple Rotor Windmill and Method of Operation Thereof - The hub of the horizontal axis contains rotors rigidly attached in the radial direction by their own axes on the ground of logarithmic spiral-shaped load-bearing elements that rotate in response to the force of ram pressure and as it rotates in a wind flow around it generates lateral aerodynamic force arisen due to the Magnus effect; the total quantity thereof creates a rotary moment of the horizontal axis. | 2009-07-02 |