21st week of 2009 patent applcation highlights part 39 |
Patent application number | Title | Published |
20090129858 | Attachment coupler - An attachment coupler is attached to an end of an arm of a working machine. An attachment having two attachment pins in parallel can be detachably attached to the attachment coupler. The attachment coupler includes a first U-shaped portion that engages with and supports one of the attachment pins sideways, and a second U-shaped portion that receives the other attachment pin downwardly. The second U-shaped portion includes a rotary hook that opens and closes the opening of the second U-shaped portion. The rotary hook includes an engagement securing member that engages with and secures the rotary hook when the rotary hook closes the opening of the second U-shaped portion and when the rotary hook opens the opening of the second U-shaped portion, and a bolt securing member that secures the rotary hook with a bolt when the rotary hook closes the opening of the second U-shaped portion. | 2009-05-21 |
20090129859 | Assembly between a side member and a rear panel of a piece of furniture - An assembly ( | 2009-05-21 |
20090129860 | CRASH CUSHION - A vehicle crash cushion for decelerating a vehicle includes first, second and third bays. The first bay is positioned forwardly of the second bay and the second bay is positioned forwardly of the third bay. The first, second and third bays each have energy absorbing structures with first, second and third impact strengths respectively. The first impact strength is greater than the third impact strength, which is greater than the second impact strength. | 2009-05-21 |
20090129861 | INTERLOCKING RUBBER MAT RESEMBLING A PAVING STONE SURFACE - A tile for an interlocking rubber mat includes a tile body having an upper surface, a lower surface, and a rectangular peripheral edge. The upper surface is imprinted with a repeating paving stone pattern of a square adjacent an octagon. Each square has four sides of equal length, and each octagon has every second side equal to the sides of the square. A series of projections extend beyond at least one side of the peripheral edge, the space between the projections being adapted to receive the projections of an adjacent tile. Each projection includes a projecting square and a projecting octagon, wherein the projecting square of each projection is adjacent a peripheral octagon of the at least one side of the peripheral edge and the projecting octagon is adjacent a remote side of the projecting square opposite the peripheral octagon. Each peripheral octagon on the at least one side having an associated projection. | 2009-05-21 |
20090129862 | CONCRETE PAVEMENT SYSTEM AND METHOD - A method of optimizing a concrete pavement design including estimating conditions of the pavement, determining properties of the pavement and developing a concrete pavement system. The method may further include selecting a thickness for the system, predicting performance of the system, determining costs of the system, and optimizing the pavement design based on one or more considerations. The method may include iterating one or more considerations. An optimized pavement system having predetermined design parameters. | 2009-05-21 |
20090129863 | HAMMER MOUNTING - An impact hammer ( | 2009-05-21 |
20090129864 | CEMENTITIOUS PAVER - A cementitious paver comprising a first layer, a second layer, and a third layer. The first layer comprises a surface A, and a surface B opposite said surface A. The first layer comprises a first layer cementitious material that is substantially porous to water. The second layer comprises a surface C and a surface D opposite said surface C. Surface C is engaged with surface B. The second layer comprises a second layer cementitious material that is substantially non-porous to water. The second layer comprises a hole in fluid communication with surface C and in fluid communication with said surface D. The third layer comprises a surface E and a surface F opposite said surface E. Surface E is engaged with surface D. The third layer comprises a third layer cementitious material that is substantially porous to water. | 2009-05-21 |
20090129865 | Rolling Apparatus With Three Undercarriages Having Smoothing Rollers - Rolling apparatus for rolling of turf or grass surfaces is provided which includes a mobile main frame ( | 2009-05-21 |
20090129866 | Geotextile tube - A geotextile tube is provided. The geotextile tube includes a first sheet and second sheet that both have first portions with a first weave pattern and second portions with a second weave pattern. The first portion of the first sheet covers a larger surface area than the second portion of the first sheet. Likewise, the first portion of the second sheet covers a larger surface area than the second portion of the second sheet. A seam contacts and attaches the second portion of the first sheet to the second portion of the second sheet. | 2009-05-21 |
20090129867 | Self-Standing Riser and Buoyancy Device Deployment and Positioning System - A water-borne vessel for deploying a self-standing riser system is provided, wherein the vessel hull is configured to receive, transfer and deploy components of a self-standing riser system. The vessel hull includes at least a landing platform, a component transfer means, and a deployment platform suitable for deploying the riser components into associated surrounding waters. Various means of assisting the process whereby self-standing riser components are loaded onto the vessel and stored; transferred from receiving to deployment platforms; and deployed from the vessel into surrounding waters are also considered. | 2009-05-21 |
20090129868 | Offshore Coiled Tubing Deployment Vessel - An offshore coiled tubing deployment system is provided, wherein the system includes a sea vessel hull configured to include a mounted coiled tubing spool; and a mast configured to guide lengths of coiled tubing received from said mounted coiled tubing spool. Methods, means and locations for the mounted coiled tubing spool are also provided, as well as lubricated coiled tubing riser assemblies which interface with self-standing riser systems. Tractors, swivel plates, buoyancy devices and positioning systems therefor; and a self-standing riser system joined with one or more of a blowout preventer, wellhead, production tree or injection tree are also disclosed. | 2009-05-21 |
20090129869 | Method and machine for reinforcing an embedded cylindrical pipe - A method of reinforcing an embedded cylinder pipe by applying a composite structural reinforcement within the pipe through in situ stratification of at least one band of reinforcement fibers and a resin or a resin including matrix comprising the steps of
| 2009-05-21 |
20090129870 | Method and Apparatus For Driving a Pile Into Underwater Substrates - Apparatus ( | 2009-05-21 |
20090129871 | Method and device for environmentally friendly ramming under water - The present invention relates to a method and a device for environmentally friendly ramming under water. To reduce the noise input under water, the machine and the material that is to be rammed are surrounded by a fixed flooded sleeve. The sleeve advantageously has a sandwich-like structure. | 2009-05-21 |
20090129872 | High-reach insulation application system and method - This invention relates generally to the application of a sprayed insulation mixture, and more particularly to an apparatus and method for applying the sprayed mixture in high reach areas of extended elevation and removing any excess mixture therefrom. In one embodiment of a system for spraying an insulation mixture into a cavity and removing any excess mixture therefrom, the system preferably comprises a lift defining upper end lower ends, with the upper end of the lift being adjustably movable between lowered and raised positions. An insulation applicator is located on the lift proximal to the upper end for spraying the insulation mixture into the cavity. The applicator may be rotatably connected to the lift and driven to move in a reciprocating, sweeping motion. A scrubber is also located on the lift, preferably above the applicator, for removing or scrubbing any excess insulation from the cavity. A vacuum inlet is preferably located on the lift below the applicator for receiving any stray or “fly-off” insulation from the applicator and the excess insulation removed from the cavity by the scrubber. A gauge may also be located on the lift for maintaining a predetermined spray distance between the applicator and the cavity. A driven elevation mechanism is operably associated with the lift for adjustably moving the upper end of the lift between the lowered and raised positions. A control is operably associated with the insulation applicator, scrubber, vacuum inlet and driven elevation mechanism to control the function of each component. | 2009-05-21 |
20090129873 | METAL SANDING DEVICES - A metallic disk ( | 2009-05-21 |
20090129874 | CUTTING INSERT WITH SERRATIONS - A cutting insert has four quadrants defined by vertical and horizontal axes that pass through a centerline axis of the insert. The cutting insert further includes a top surface; a bottom surface; a plurality of clearance side surfaces extending between the top and bottom surfaces. A cutting edge is formed at an intersection between the top surface and the clearance side surfaces. A serration is formed in each clearance side surface such that two of the four quadrants that are diagonally opposite each other do not have serrations, and the other two of the four quadrants that are diagonally opposite each other include a pair of serrations. The cutting insert can be mounted to a milling cutter in a variety of patterns by rotating one cutting insert relative to another cutting insert in the same flute or in a different flute. | 2009-05-21 |
20090129875 | Clamping Assembly for Woodworking Knife - A clamping assembly to hold a woodworking knife in place in a woodworking machine. The clamping assembly comprises a clamping component comprising a body and an actuator. The body has three discrete contact positions distributed thereon: 1) a fulcrum located generally at one end, 2) a knife abutting portion located generally at the other end, and 3) a bearing surface located elsewhere. The actuator is for applying a clamping force to the body along a clamping axis located intermediate of the knife abutting portion and the fulcrum. The fulcrum is a surface having a normal that is at an angle to the clamping axis. The bearing surface is a surface wherein a line normal to the bearing surface intersects the line normal to the fulcrum at a position outside of the clamping component at a location farther askew of the clamping axis than the fulcrum. | 2009-05-21 |
20090129876 | Multi-speed drill and transmission with low gear only clutch - A multi-speed drill includes a housing with a motor including an output member. A constant mesh parallel axis transmission can be disposed in the housing and can include a high speed and low speed gears. A clutch member can be associated with the low speed gear. A conical spring can bias the low speed gear and the clutch member together for torque transfer up to a predetermined torque level. Above the predetermined level, cam surfaces between the low speed gear and the clutch member move them apart, thereby limiting torque transfer to the output spindle. In the high speed mode the torque transfer between the input pinion and the output spindle bypasses the clutch member. The maximum torque level capable of being generated at the output spindle in the high speed mode can be less than the predetermined torque level. | 2009-05-21 |
20090129877 | SYSTEMS AND METHODS FOR MATERIAL INTERFACE DETECTION DURING DRILLING OPERATIONS - Systems and methods for detecting a material interface between two dissimilar materials in intimate contact with one another include a detection circuit to detect the interface via changes in electrical conditions in the circuit during a drilling operation. | 2009-05-21 |
20090129878 | WATER FEED APPARATUS FOR CORE DRILL - A water feed apparatus ( | 2009-05-21 |
20090129879 | TOOL HEAD, MACHINE TOOL AND BORING METHOD OF BORE OF CYLINDER BLOCK USING THE MACHINE TOOL - The spindle drive unit of a combined machine tool drives the spindle. The tip end of the spindle is provided with a boring tool and a tool head having a rough grinding stone and a finishing grinding stone. The spindle drive unit has a first support unit and a second support unit capable of receiving the spindle therethrough and supporting it rotatably, a linear motor and a column slide mechanism for moving the first and second support unit in the axis direction of the spindle, and a spindle motor for rotating the spindle. | 2009-05-21 |
20090129880 | ROTARY CUTTING MACHINE - A rotary cutting machine | 2009-05-21 |
20090129881 | RING WITH CUTTING EDGE (RING-SHAPED CHAMFER TOOL) - A ring with a cutting edge detachably fixed to a drilling tool, and machines the peripheral edge of a hole bored by the drilling tool can be simply attached to the drilling tool. A ring with a cutting edge is constituted by a ring portion, in which an insertion hole allowing a drilling tool to be inserted in the direction of an axis O thereof and having a circular shape in plane view, is formed, the ring portion has a portion on the inner peripheral surface provided with a recess formed radially outward, a circular-arc arm portion, which extends in the peripheral direction from one peripheral end of the inner peripheral surface toward the other peripheral end thereof, in the opening edge of the recess facing the inner peripheral surface and is elastically deformable in the radial direction, is formed integrally in the ring portion, and the circular-arc arm portion is pressed axially inward by a fastening screw threadedly attached to a threaded attachment hole which goes through the ring portion in the radial direction, and is opened to a bottom surface of the recess. | 2009-05-21 |
20090129882 | Methods, Systems, and Devices for Monitoring Tools in a Dental Milling Machine - Methods, systems, and devices for monitoring tool breakage and wear in a dental milling machine are provided. In one embodiment, a dental milling system includes a milling tool for milling a dental prosthetic and a spindle operable to receive, fixedly engage, and rotate the milling tool. A first accelerometer is positioned adjacent to the spindle and is operable to detect vibrations associated with rotation of the milling tool. A processor is in communication with the first accelerometer to receive data sets representative of the vibrations detected by the first accelerometer. The processor processes the data sets to identify changes in one or more harmonics of the detected vibrations indicative of a break of the milling tool. | 2009-05-21 |
20090129883 | CLAMPING ELEMENT FOR TOOL HOLDERS - The invention concerns a clamping element of a coupling device for releasably but axially and rotationally fixing tool components for dry machining (MMS technology) and for wet machining. The element provides a friction-type connection between the components to be coupled. A cooling tube is arranged at the center of the coupling device. The spindle is provided with an elongated hole run through which cooling tube passes. A variable contour between the base body and the clamping segment enables an increase in distribution of forces for the support of the clamping segments. The novel geometry of the clamping segments results in novel contours in the base body with smoother transitions, hence a better force distribution, thereby reducing material breakage and a more reliable and robust clamping. By virtue of their novel geometry, the clamping segments have an increased surface enabling larger clamping screws to be used. | 2009-05-21 |
20090129884 | RAILROAD CAR COIL RESTRAINT SYSTEM - A transverse railroad coil car coil restraint apparatus or system which includes a plurality of coil restraints attachable to each trough in a transverse railroad coil car to reduce the sideways shifting of coils positioned in the troughs. In certain embodiments, the coil restraints are attached in each trough and extend across the transverse coil car. In other embodiments, the coil restraints are attached in each trough along the length of the trough. In certain embodiments, when a coil is positioned in the trough, the coil compresses certain of the coil restraints and does not compress other of the coil restraints which prevents the sideways shifting of the coil during movement of the transverse coil car. In other embodiments, when a coil is positioned in the trough, the coil compresses certain of the compression members and does not compress other of the compression members which prevents the sideways shifting of the coil during movement of the transverse coil car. | 2009-05-21 |
20090129885 | FLOATING NUT PLATE - Methods relating to and apparatus such as floating nut plates may include complementary surfaces limiting movement of a retainer toward or away from side walls of a receiver, such as wherein a nut element is positioned between the retainer and the receiver. One of the complementary surfaces may be a groove formed in the retainer. In one configuration, the receiver and/or retainer are non-metal. | 2009-05-21 |
20090129886 | Surface cover with snap having a drill guide - The invention relates to method(s) and device(s) for accurately positioning and fastening a surface cover to the surface. A surface cover can be provided with a cover snap member that has a drill guide through which a hole can be drilled into the surface. The hole can be used to fasten a surface snap member, which snaps together with the cover snap member. The surface snap member can be attached to the surface through a separate screw. Alternatively, the surface snap member can comprise an integral screw that provides for self-attachment. The surface snap member can have a bore which aligns with the drill guide when the surface snap member and the cover snap member are snapped together. The user can snap the cover snap member and surface snap member and drill a hole into the surface through the channel formed by the aligned drill guide and bore. | 2009-05-21 |
20090129887 | SCREW KIT - The present invention discloses a screw kit, which comprises: a screw element, a driving element, and an alignment element. The screw element has a screw end and a first coupling portion. The driving element has a driving end and a second coupling portion. The alignment element has a first sleeving section and a second sleeving section, which are respectively engageable with the first coupling portion and the second coupling portion. When the screw element and the driving element are simultaneously engaged with the alignment element, the deviation between the screw element and the driving element is eliminated, and the screw element and the driving element can be easily aligned to an identical axis. Thereby, the assembling and disassembling speeds of the screw element and the driving element are increased without influencing the theft-protection function thereof. | 2009-05-21 |
20090129888 | Slotted set screw - A slotted set screw includes a slot in an upper end surface, and a cut metal waste storing recess respectively formed at two ends of the slot. The cut metal waste storing recess is defined by a vertical wall and a flat bottom wall to have a large opening, separated from the slot for a little distance. The opening of the cut metal waste storing recess communicates with the outside of the threads of the set screw. Thus, cut metal waste may be stored in the cut metal waste storing recesses during cutting threads of the set screw, without falling into and remaining in the slot to result in extra cleaning work for the waste in the slot. | 2009-05-21 |
20090129889 | INTEGRATED NUTPLATE AND CLIP FOR A FLOATING FASTENER AND METHOD OF MANUFACTURE AND ASSEMBLY - An inexpensive and reliable floating fastener is provided by manufacturing an integrated nutplate into the backside of the interior structural member. A retention clip engages the nutplate to capture the nut while allowing the nut to float. The integrated nutplate roughly aligns the floating nut to the axial through-hole in the structural member and provides the torque resistance required to drive the screw into the nut. The retention clip holds the nut in place and provides the axial resistance required for the lead chamfer of the screw to engage the nut and resist the axial loading on the screw during installation. The nutplate is designed to facilitate cost-effective manufacturing. The per hole cost of the integrated floating-fastener is approximately 30% of the cost of the industry standard riveted floating fastener. | 2009-05-21 |
20090129890 | CONNECTED FASTENER ASSEMBLY - In a connected fastener assembly, the shaft sections of multiple fasteners are connected using a connecting band made of a synthetic resin. Retaining sections for allowing the shaft sections of the fasteners to be inserted therein and connecting sections for connecting the adjacent retaining sections are formed continuously. The connecting sections are offset from the center line “a” connecting the centers of the adjacent fasteners (retaining sections). | 2009-05-21 |
20090129891 | Support Pin Fixed by Staking, and Back Plate for Flat Display Having the Support Pin Installed thereon - A support pin mainly composed of a fitting part fitted into a hole in a workpiece, a flange part (head part) formed at one end of the fitting part, and a projected shaft formed at the other end of the fitting part. The fitting part is larger in diameter than the projected shaft, and an annular recess is formed in the fitting part. A portion of the fitting part is formed as a staking part, and the portion is located on the outside of the annular recess. The annular recess has a bottom part and a tilted inner peripheral surface. When the support pin is held and pressed by both the die and the punch of a press device, the flange part digs into the front surface of the workpiece and the staking part digs into the rear surface of the workpiece. | 2009-05-21 |
20090129892 | Book-binding system - A book-binding system includes an image forming apparatus, a binder, a detector, and an operation unit. The image forming apparatus forms images on a plurality of sheets. The binder is connectable to the image forming apparatus and binds with a binding member the plurality of sheets on which the images are formed by the image forming apparatus. The detector acquires information on the plurality of sheets fed from the image forming apparatus to the binder and information on consumables used to bind the plurality of sheets. The operation unit displays the information on the consumables in a selectable manner for input. The input from the operation unit allows selection of consumables depending on the number and type of sheets bound in the binder. | 2009-05-21 |
20090129893 | BOOKBINDING PROCESSING APPARATUS AND CONTROL METHOD THEREOF AND PROGRAM - A bookbinding processing apparatus capable of setting values for each item of post-processing functions on printed sheets and a control method thereof display, on a display unit, an operation screen for inputting setting values for each item of post-processing functions, and an setting value for each item is input using the operation screen. When inputting a setting value for a first item, giving the instruction to display an recommended setting value for the first item and items thereafter causes a display unit to display a list of recommended setting values for the first item input on the operation screen and for the other items, recommended setting values selected on the list are displayed, and setting values for items previously input on that setting screen can be validated and printing is started. | 2009-05-21 |
20090129894 | Bucket bale spear - A bucket bale spear bolts together upon a frame, that slips upon the cutting edge of a bucket, and then one bolt secures the frame to the bucket. The frame receives a spear and two balance spikes upon a bracket. A centered tube accepts the spear and secures it with a transverse bolt. The tube provides additional bending resistance for the spear at less weight than a proportional length of spear. The balance spikes also bolt to the frame. The frame, spear, and balance spikes can be shipped and merchandised compactly. At the farm or the ranch, the bucket bale spear assembles readily with hand tools. | 2009-05-21 |
20090129895 | Skid steer bale spear - A skid steer bale spear has a single member, or cross tube, to which joins at least one spear and balance spikes. The member then has plates proximate each end welded to the member for connection to a tractor or skid steer loader following the spacing and orientation for the Universal Skid Steer Quick Attach. Additionally, this skid steer bale spear includes a rollback angle to the spear, foot grips, backstops, and detachable spears and spikes. This skid steer bale spear uses less resources, capital, labor, and materials for manufacturing. The member, spear, and balance spikes can be shipped and merchandised in a compact form. At the farm or the ranch, the skid steer bale spear assembles in minutes with hand tools and readily connects to a tractor or loader. | 2009-05-21 |
20090129896 | Charging Device and Distribution Chute for a Shaft Furnace - A charging device for a shaft furnace comprises a distribution chute for bulk material and a drive mechanism for the distribution chute. The distribution chute has a trough-shaped main part with an open impact section and an outlet section. The main part provides a sliding channel between the impact section and the outlet section. The drive mechanism for the distribution chute is capable of rotating the distribution chute about an essentially vertical axis and pivoting the distribution chute about an essentially horizontal axis so as to allow distribution of bulk material on a charging surface of the shaft furnace. According to the present invention, the distribution chute comprises a circumferentially closed funnel portion which tapers in the direction of flow and is arranged downstream of the impact section and with its outlet at the downstream end of said trough-shaped main part. | 2009-05-21 |
20090129897 | SIDE OPENING UNIFIED POD - A substrate processing system including a processing section arranged to hold a processing atmosphere therein, a carrier having a shell forming an internal volume for holding at least one substrate for transport to the processing section, the shell being configured to allow the internal volume to be pumped down to a predetermined vacuum pressure that is different than an exterior atmosphere outside the substrate processing system, and a load port communicably connected to the processing section to isolate the processing atmosphere from the exterior atmosphere, the load port being configured to couple with the carrier to pump down the internal volume of the carrier and to communicably connect the carrier to the processing section, for loading the substrate into the processing section through the load port. | 2009-05-21 |
20090129898 | WORKPIECE PRESENTMENT TO A PROCESSING DEVICE - A workpiece presentment system and associated method for workpiece presentment with a pick and place device is provided. The system includes a pair of parallel stationary rails, and first and second shuttle rails respectively disposed adjacent first and second ends ofthe stationary rails. Each shuttle rail is independently moveable laterally to a longitudinal alignment with a selected one of the pair of stationary rails. A control circuit is configured to circulate only two pallets simultaneously in the same rectangular path of travel to load trays to the pallets on one of the stationary rails while presenting the trays to the pick and place device on the other stationary rail. | 2009-05-21 |
20090129899 | HANDLING SYSTEM FOR INSPECTING AND SORTING ELECTRONIC COMPONENTS - A semiconductor package handling system is provided comprising a package holder for receiving and holding singulated semiconductor packages, and a first inspection device which is arranged and configured to inspect a first surface of the packages while they are being held by the package holder. An offloading device receives the packages from the package holder and conveys them packages to an offloader, and a second inspection device is arranged and configured to inspect a second surface of the packages which is opposite from the first surface while they are being held by the offloading device. | 2009-05-21 |
20090129900 | TRANSFERRING APPARATUS AND LARGE TRANSFERRING APPARATUS - A transferring apparatus is composed of a first arm swingably provided around a first axis of a pedestal, a second arm whose length is different to the first arm is swingably provided around a second axis, a hand attached to the front end of the second arm, and a first motor to reciprocatingly swings the first arm provided in the pedestal. A first pinion is fixed to the pedestal concentrically to the first shaft, and a second pinion is fixed to the base end of the second arm concentrically with the second axis. Further, racks are provided in the both of left and right side of the first pinion and the second pinion. A large transferring apparatus is composed so that two transferring apparatus are arranged in one pair, the hand are mutually coupled by a transfer beam. | 2009-05-21 |
20090129901 | Machine for fitting and removing wheel tires for vehicles - The machine for fitting and removing wheel tires for vehicles comprises a bearing structure that supports a clamping and rotating device of the wheel rim for vehicles around a substantially vertical rotation axis, at least one tool supported by the bearing structure and suitable for the fitting/removal of a tire onto/from the rim, and a lifting arrangement adapted to position and remove the wheel onto/from the clamping and rotating device, in which the lifting arrangement are fitted with at least a first framework that defines a substantially horizontal support surface for the wheel and which is associated with the bearing structure and mobile between a lowered position, in which it surrounds the clamping and rotating device at least partially, and a raised position, in which it is substantially higher than the clamping and rotating device. | 2009-05-21 |
20090129902 | Rack Warehouse and Order-Picking Method - It is disclosed a order-picking method and a rack warehouse ( | 2009-05-21 |
20090129903 | PORTABLE MORTAR HOPPER - A mobile hopper assembly is towable by a vehicle and includes a frame, a hopper that is fixedly attached to the frame, a leg that is attached to the frame, and a wheel that is coupled to the frame. The leg includes a movable portion that is movable with respect to the frame between a retracted position and an extended position, and the wheel at least partially supports the mobile hopper assembly when the leg is in the retracted position. | 2009-05-21 |
20090129904 | Straddle carrier with automatic steering - A straddle carrier for transporting and stacking freight containers, with automatic steering, is made up of two chassis beams having steerable wheels, for traveling over the container stack. At least one laser scanner measures the distance to a container wall from different angles, and passes the measurement signals to an electronic control, which calculates a steering angle reference value for the electronically regulated vehicle steering from the measurement signals. | 2009-05-21 |
20090129905 | PORTABLE END-TO-END INSTALLATION AND REMOVAL SERVICE LIFT TOOL FOR RACK MOUNTED IT EQUIPMENT - A method and associated assembly is provided for installation and removal of electronic components on a computer rack. The assembly comprises a transport dolly with a platform and at least one caster and the Dolly is selectively sized to fit under or the computer rack. A Lift Tool is also provided and disposed over said Dolly. The Tool includes a lift platform capable for holding electronic components and a lift mechanism capable of moving from a first position to a second position such as to be capable of removing or disposing these components away or onto the rack. A plurality of Lift Rails are also provided that are storable between the Lift Tool and the Dolly. The Lift Rails can be used alone or assembled later into longer unitary units that attach to the rack and the Lift Tool in order to allow the Tool to transport the components from a first position to a second position along the rack. | 2009-05-21 |
20090129906 | Method of Stowing Wheelchair Lift - A wheelchair lift for use in conjunction with a vehicle having a floor. The lift includes a power-actuating system, a platform assembly having first and second platform sections, a linking assembly having first and second vertical arms connected to the platform assembly, and first and second fold-facilitating links connecting the first and second vertical arms, respectively, to the first and second platform sections. The linking assembly connects the power-actuating system to the platform assembly. During a folding process, the first and second fold-facilitating links cause the first platform section to pivot with respect to the second platform section and the first vertical arm to move with respect to the second vertical arm. | 2009-05-21 |
20090129907 | Weight Ballast for a Counterweight Device and Method of Making thereof - A weight ballast having a reduced cost of manufacture includes a housing filled with a filling. The housing includes a bottom side, two lateral sides, with the two lateral sides, two terminal sides and bottom side defining a compartment as well as an opening to allow the filling being poured into the housing. The housing further including two lugs extending longitudinally with respect to a longitudinal axis of the housing from the two terminal sides respectively, and with each of the two lugs including a cavity connected to and in communication with the compartment. The filling is a mixture of cement and scum with a predetermined specific weight. | 2009-05-21 |
20090129908 | Arm for Excavation Machine - An object of the present invention is to reduce manufacturing cost and manufacturing man-hour of an arm constituting a working machine in an excavation machine. In an arm | 2009-05-21 |
20090129909 | FOOTWEAR-MOVING DEVICE MOVABLE ALONG WITH A DOOR PANEL - A device is operable by a door panel for moving a footwear article between a use position that is near a door opening and a store position that is away from the door opening. The device includes a carrier having a footwear support, and a link member connecting the carrier to the door panel so that the carrier moves along with closing and opening movements of the door panel. A method for moving the footwear article is also disclosed. | 2009-05-21 |
20090129910 | METHOD AND A SYSTEM FOR TRANSFERRING OF ITEMS - Method and system for transferring items ( | 2009-05-21 |
20090129911 | DEVICE FOR TURNING FLAT ARTICLES INCLUDING FOLDED BOX BLANKS - A device for the turning of flat articles, particularly blanks of folded boxes, includes conveying elements which define at least two conveying sections that are permeable to air and on which the articles are conveyed lying substantially flat, the conveying elements being mounted in a frame, a suction device arranged below the conveying element and to extend through the conveying section to increase the friction between the conveying elements and the articles, and a separate drive for each of the conveying elements of the respective conveying sections. The frame is mounted such that it can swivel about a pivot in the exit region of the frame relative to a machine frame. | 2009-05-21 |
20090129912 | Device to dynamically lift and suspend loads - A mechanical device, powered by internal combustion engine or other source of power, inside an enclosure which is fixed on a platform with the purpose to lift and keep dynamically suspended loads by means of centrifugal force, such that once that force is equal or higher than the required to hold the load, there will be not measurable weight in the platform, except the device itself. The generator of centrifugal force is one or more arms with end-loaded weights rotating at variable speed to produce the lift and suspension required. First application is to increase the ordinance carrying capacity of military aircrafts, cargo planes and helicopters. Other applications are in the fields of civil aeronautics and space exploration. | 2009-05-21 |
20090129913 | Computer Room Environmental Conditioning Unit with Translatable Blowers - A conditioning unit can allow the blower to be easily translated from a first operable position in the conditioning unit to a second operable position external to the conditioning unit. The translation of the blower does not require the disconnection of the blower and, accordingly, does not require that the blower be disconnected and reconnected to the control system. Such capability can facilitate the installation of the conditioning unit into a variety of applications and allows the purchaser to customize the blower location based on the desired performance. The ability to customize the installation of the conditioning unit without requiring disconnection and reconnection of the blower can reduce the cost and expense associated with the installation into differing applications. | 2009-05-21 |
20090129914 | AUXILIARY FLUID SOURCE FOR AN EGR PURGE SYSTEM - The exhaust within an exhaust gas recirculation (EGR) system should be purged to allow for access to the components of the EGR system. A system and method for purging the EGR system is provided. The system and method may incorporate a purge gas supply that may include: at least one pressurized cylinder, a storage tank, a compressor, or a benign fluid source. The system and method may drive the exhaust out of the EGR system. | 2009-05-21 |
20090129915 | Turbine Airfoil Cooling System with Recessed Trailing Edge Cooling Slot - A cooling system for a turbine airfoil of a turbine engine having a trailing edge cooling slot positioned within the generally elongated, hollow airfoil and extending from the trailing edge chordwise into the generally elongated, hollow airfoil toward the leading edge such that a secondary trailing edge is offset upstream from the trailing edge. As such, the trailing edge cooling slot reduces stress formation at the trailing edge of the turbine airfoil. | 2009-05-21 |
20090129916 | TURBINE APPARATUS - A gas turbine engine comprising a rotor and a stator which define first, second and third cavities; the rotor and stator define a seal therebetween and which is located for sealing between the second and third cavities, the rotor comprises an aperture through which a gas flow passes from the first cavity to the second cavity characterized in that the seal comprises a deflector that extends axially over at least a portion of the aperture to deflect at least a part of the gas towards the rotor. | 2009-05-21 |
20090129917 | SEALING A ROTOR RING IN A TURBINE STAGE - A turbine stage in a turbomachine, the stage comprising a wheel mounted in a ring carried by a turbine casing, and a nozzle situated upstream from the wheel and including an annular fastener rim for fastening to the turbine casing, sealing being provided between the outer rim of the nozzle and the upstream end of the ring by a radial annular sheet bearing axially at its inner and outer peripheries against a downstream face of the outer rim of the nozzle, with its middle annular portion being axially spaced apart from the outer rim of the nozzle and bearing axially against the upstream end of the ring. | 2009-05-21 |
20090129918 | Blower unit - A blower unit has a first axial fan and a second axial fan for generating a flow of cooling air passing through a heat exchanger disposed under an intake duct through which an intake air to be introduced to an engine flows. The first axial fan and the second axial fan are aligned in a substantially horizontal direction downstream of the heat exchanger with respect to the flow of air. A first rotation axis of the first axial fan and a second rotation axis of the second axial fan are perpendicular to the heat exchanger and located lower than a center of the heat exchanger. The first axial fan, which is disposed on a right side of the second axial fan, rotates in a clockwise direction and the second axial fan rotates in a counterclockwise direction when viewed from a downstream position with respect to the flow of air. | 2009-05-21 |
20090129919 | Multi-Blade Centrifugal Fan - A multi-blade centrifugal fan for preventing circular flows in the end portions of an impeller in the axial direction is provided in a simple structure. The multi-blade centrifugal fan is formed of a fan casing | 2009-05-21 |
20090129920 | Turbine housing for a turbocharger - A turbine housing ( | 2009-05-21 |
20090129921 | COOLING FAN HAVING PROTRUSION AT AIR OUTLET THEREOF - A cooling fan ( | 2009-05-21 |
20090129922 | ACCESS DOOR FOR GAS TURBINE ENGINE COMPONENTS - An access door is provided in a housing for a gas turbine engine, with the access door being movable to an access position independent of any required movement of any cowl door or a fan duct door. | 2009-05-21 |
20090129923 | Device for maintaining a hydraulic turbomachine - A device for holding a hydraulic turbomachine in position, the turbomachine comprising a drive shaft along which are distributed turbines designed to rotate the drive shaft when they are immersed in a moving liquid, each turbine comprising drive blades distributed around the drive shaft, the device comprising at least one post extending along at least more than half of the length of the drive shaft and formed of the stacking of at least two post portions, each Post portion being associated with a turbine or with an assembly of adjacent turbines; and a first linking mechanism attached to one of the post portions and to a bearing receiving the drive shaft and arranged between two adjacent turbines; and a second linking mechanism connecting at least one of the posts to the around by a rigid connection with respect to the ground along at least one axis parallel to the liquid motion direction. | 2009-05-21 |
20090129924 | METHOD AND SYSTEM FOR OPERATING A WIND TURBINE - The present invention relates to a method and a system for operating a Wind Turbine (WTG), which WTG comprises a rotor comprising at least two blades, which blades are pitch regulated, where the rotor is connected to a shaft, which shaft is supported by bearings, and which shaft drives at least one generator, where the WTG uses a load regulation system for regulating the individual pitch of at least two blades. The object of the invention is to compensate for asymmetric load on the rotor in a wind turbine, a second object is to reduce wearing at shaft bearings in the wind turbine, and a third object is to increase the power production of a wind turbine. This can be achieved if the load regulation system measures the actual rotor load by at least one displacement sensor, which displacement sensor is measuring the bending of the main shaft, where the load regulation system based on the shaft bending regulates the individual pitch of the blades for compensating asymmetric load at the rotor. | 2009-05-21 |
20090129925 | Wind Turbine Blade Load Sensor - A wind turbine rotor blade root load sensor is provided. The sensor is configured to be internally mounted within an insert of a root portion of a wind turbine rotor blade. The sensor comprises a carrier member which is configured to be fixedly connected to the insert so that loads can be transmitted therebetween and the sensor further comprises a sensing element, supported by the carrier member. | 2009-05-21 |
20090129926 | MASS POD TURBINE SYSTEM - A mass pod turbine device includes a rotating element configured to rotate about a shaft axis. A plurality of mass pods restrained about the periphery of the rotating element. The mass pods are restrained to the rotating element, but may be displaced relative to the center of rotation. During a rotational cycle of the rotating element, the mass center of each mass pod may be dynamically displaced relative to the center of rotation. The mass pods then generating a mass imbalance about the rotational axis and causing the device to rotate about the shaft axis. The system also provides a useful variable inertia member for the storing of the kinetic energy of a rotating assembly. | 2009-05-21 |
20090129927 | Wind Power Plant with Lightning Protection Arrangement - A wind power plant ( | 2009-05-21 |
20090129928 | High efficiency turbine and method of generating power - The present invention is directed to a turbine comprising a plurality of blades that rotate in a single direction when exposed to fluid flow, wherein the plurality of blades are joined to the central shaft by a plurality of radial spokes disposed substantially perpendicular to the central shaft such that the rotating plurality of blades causes the shaft to rotate. The plurality of blades has a uniform airfoil-shaped cross section, where the airfoil cross section presents a non-zero angle of attack to the current. The plurality of blades wind in a spiral trajectory, rotating around the central shaft and having a variable radius along the length of the central shaft such that a distance measured from the plurality of blades to the center shaft is greater near the center of the turbine than at either end. | 2009-05-21 |
20090129929 | Coaxial rotor system for helicopters - An improved coaxial rotor assembly for a helicopter includes an upper rotor system having a multiple of upper rotor blades each having outer tips and mounted on and extending outwards from a central rotor shaft and a lower rotor system having a multiple of lower rotor blades each having outer tips and mounted on and extending outwards from the central rotor shaft with the upper rotor system spaced an axial distance from the lower rotor system on the central rotor shaft. A rotor blade support ring extends circumferentially around each of the upper and lower rotor systems which movably engages and supports the outer tips of the upper and lower rotor blades in spaced apart relation such that the upper and lower rotor systems rotate in opposite directions and the rotor blade support ring means prevents contact between the upper and lower rotor systems during operation thereof. | 2009-05-21 |
20090129930 | Trolling motor propeller with elastomeric hub - A propeller for a trolling motor has an inner hub and an outer hub. The inner hub is made of a synthetic elastomer so that relative rotational movement between the outer hub and a propeller shaft is permitted. This relative movement dampens the reactive forces during an impact between blades of the propeller and submerged objects, such as weeds. The elastic deformability of the inner hub also reduces noise that can be caused by imbalances contained in the propeller. | 2009-05-21 |
20090129931 | Module of a nacelle of a wind turbine, nacelle of a wind turbine, wind turbineand method for the assembly of a nacelle of a wind turbine - The invention concerns a module of a nacelle of a wind turbine, which is separately designed, manageable and comprise a housing part. The module is connectable to at least one further module of the nacelle, which is also separately designed, manageable and has a housing part, wherein the housing part of the module builds in the assembled status of the nacelle, which comprises several modules, a part of the housing of the nacelle. The invention concerns also a nacelle comprising several such modules, a wind turbine comprising such a nacelle as well as a method for the stepwise assembly of such a nacelle aloft. | 2009-05-21 |
20090129932 | DOVETAIL ATTACHMENT FOR USE WITH TURBINE ASSEMBLIES AND METHODS OF ASSEMBLING TURBINE ASSEMBLIES - A method of assembling a steam turbine including a rotor assembly is provided. The method includes providing at least one turbine bucket including a dovetail that includes a plurality of crush surfaces, a plurality of non-contact surfaces, and at least one neck defined between one of the crush surfaces and one of the non-contact surfaces. The method also includes providing a turbine wheel that includes at least one dovetail slot defined therein that is defined by a plurality of crush surfaces and a plurality of non-contact surfaces, and coupling the dovetail of the at least one turbine bucket within the turbine wheel slot such that a slant angle of the at least one neck facilitates a substantially uniform distribution of load between the dovetail and the at least one slot. | 2009-05-21 |
20090129933 | BLOWER WHEEL - The invention relates to a blower wheel, especially a plastic blower wheel for a cylindrical rotor radial fan for the heating and air-conditioning systems of a motor vehicle. Said blower wheel comprises a plurality of blades ( | 2009-05-21 |
20090129934 | Turbine Blade Tip Cooling System - A turbine blade for a turbine engine having a cooling system in the turbine blade including a camber-line rib extending radially outward from a tip of the blade and extending from a trailing edge of the blade toward a leading edge. The camber-line rib may form pressure and suction side cooling slots at the tip of the blade. The camber-line rib my include a cooling channel positioned in the camber-line rib and in fluid communication with the at least one cavity forming the cooling system in the blade for cooling aspects of the tip at the trailing edge. | 2009-05-21 |
20090129935 | PUMP SUCTION PRESSURE LIMITING SPEED CONTROL AND RELATED PUMP DRIVER AND SPRINKLER SYSTEM - A building sprinkler system includes a pump that feeds a plurality of sprinkler heads. A driver is operatively connected to the pump for driving the pump. A speed control is responsive to suction pressure at a suction side of the pump. The speed control is configured to reduce driver speed when the suction pressure falls below a set threshold pressure value to maintain the suction pressure above the set threshold pressure value. | 2009-05-21 |
20090129936 | ELECTRONIC DEVICE HAVING BLOWER - An electronic device having a first motor which rotates a rotating body (for example, blades) about a rotation axis and a second motor which vibrates a vibrator including the rotating body in the axial direction is provided. A control IC unit has a first circuit which subjects the rotation to control drive by a first waveform, and a second circuit which subjects the vibration to control drive by a second waveform. Rotation and vibration of a rotating and vibrating unit driven by the first and second motors generates an airflow and output sound by a synthesized output of a first output corresponding to the rotation and a second output corresponding to the vibration. The control IC unit generates a second waveform by using a reversed-phase waveform with respect to the first waveform or the like and suppresses the output sound by control of the first and second waveforms. | 2009-05-21 |
20090129937 | DOWNHOLE PUMP CONTROLLER - An apparatus for controlling a downhole pump. The pump has a stator, a rotor and a pump drive. The temperature monitoring apparatus includes at least one temperature sensor positioned downhole in thermal communication with the downhole pump for measuring the downhole temperature of the downhole pump, and a pump controller connected to the temperature sensor by a wireless communication link for receiving measurements from the temperature sensor. The pump controller has controls for controlling the speed of the pump. | 2009-05-21 |
20090129938 | Device mounting apparatus for a fluid control system - A pump control system is provided and includes a tank communicated with a flow pipe via a tank port, wherein the flow pipe communicates a fluid source with a fluid destination. A sensing device disposed in proximity to the tank port is also provided and is configured to measure a characteristic of a fluid within the flow pipe. Furthermore, a pumping device and a pump control device communicated with the sensing device via a pump control interface link is provided to receive a signal responsive to the characteristic, wherein the pump control device is configurable to control power flow between a power source and the pumping device responsive to the signal, wherein the pump control device is mounted to a support structure via a mounting device to be disposed remotely from the tank port. | 2009-05-21 |
20090129939 | Apparatus for thermal dissipation and retention of float - In an improved pump assembly having a fluid reservoir into which a stationary post extends, a sensor is supported by the post and a floating member is supported for travel between upper and lower portions of the post. A magnet is supported by the floating member, the sensor responding to the position of the magnet as the floating ring member moves along the post. A float retention member is detachably supported by the post to retain the floating member on the post, the floating member having a support ring with a plurality of inwardly extending spring members disposed to grip the end of the post. A heat exchanger is supported for absorbing a portion of the thermal energy created by the pump assembly. | 2009-05-21 |
20090129940 | Differential pressure switch - The invention relates to a field adjustable pressure switch that incorporates a manually adjustable differential to set the pressure level for the trip point for the pressure switch used in conjunction with a submersible sump pump system requiring trip levels corresponding to the desired water level in the sump well for operation of the pump motor. | 2009-05-21 |
20090129941 | METHOD FOR CONTROLLING A PUMP ARRANGEMENT, AND PUMP ARRANGEMENT - A method for controlling a pump arrangement comprising a fluid delivering pump having a pump drive, a bypass line having a bypass valve for routing fluid back from an outlet side of the pump to a reservoir is disclosed. During ramping up the pump drive to a predetermined target rotational speed, the bypass valve is controlled to reduce a volume flow through the pump so that the volume flow, at a respective delivery height, lies between a cavitational volume flow and the cavitational volume flow increased by a predetermined maximum volume flow deviation. | 2009-05-21 |
20090129942 | System and Method for Controlling a Progressing Cavity Well Pump - A system and method for controlling the speed of a progressing cavity liquid well pump to increase liquid production from a well while avoiding operation of the well in a pumped-off state. A controller controls a variable speed drive to drive a progressing cavity liquid well pump at a set pump speed while measuring well and system parameters indicative of pumping performance and/or liquid production from the well. The set speed of the pump is changed in steps either increasingly or decreasingly by the controller, acting through the variable speed drive, in response to the measured well and system parameters. The controller, responsive to the measured well and system parameters, challenges the set pump speed by varying the set pump speed so as to increase the production from the well while avoiding pump and well operation in a pumped-off state. | 2009-05-21 |
20090129943 | METHOD FOR DRIVING A BIDIRECTIONAL MOTOR TO ROTATE A FLUID CIRCULATION PUMP - A method for starting a motor ( | 2009-05-21 |
20090129944 | PERISTALTIC PUMP - A peristaltic pump is presented comprising a housing and a rotor assembly supported by the housing. An occlusion bed is slideably mounted in the housing. A door is pivotable about a shaft, which is supported by the housing. A pinion gear is coupled to the shaft and engages a rack on the occlusion bed. Rotation of the shaft causes the occlusion bed to slide toward or away from the rotor assembly. An open portion of a tube retaining system is associated with the housing and a clamping portion of the tube retaining system is associated with the door. The open portion and the clamping portion of the tube retaining system are configured to secure flexible tubing therebetween when the door is in a closed position. | 2009-05-21 |
20090129945 | Osmotic Pump - An osmotic pump comprises a first chamber ( | 2009-05-21 |
20090129946 | Pumping unit for delivery of liquid medium from a vessel - A pumping unit for delivering a liquid medium from a low pressure vessel such that the delivered medium has sufficiently high pressure, by providing the liquid medium in the form of separated pulses. | 2009-05-21 |
20090129947 | Axial Piston Compressor - Axial piston compressor, especially for motor vehicle air-conditioning systems, having a tilt plate ( | 2009-05-21 |
20090129948 | SUCTION STRUCTURE IN FIXED DISPLACEMENT PISTON TYPE COMPRESSOR - A suction structure is provided for allowing refrigerant into a suction pressure region in a fixed displacement piston type compressor. The compressor includes a rotary valve. The suction structure includes a shifting device which shifts between a connecting state and a disconnecting state. The shifting device includes a valve body, a return spring, a first and a second displacement chambers, and a throttle passage. The return spring urges the valve body from a connecting position toward a disconnecting position. The volume of the first displacement chamber is displacable in accordance with an amount of a fluid inside therein. The volume of the second displacement is displaced. The fluid is filled in the first and the second displacement chambers. The throttle passage connects the first displacement chamber to the second displacement chamber. The fluid flows through the throttle passage when the volume of the first displacement chamber is displaced. | 2009-05-21 |
20090129949 | AXIAL PISTON MACHINE WITH HYDROSTATIC SUPPORT OF THE HOLDING -DOWN DEVICE - An axial piston machine comprises a housing ( | 2009-05-21 |
20090129950 | Oil pump resonator - The invention provides an oil pump resonator in which various vibrations caused by pulsations that change in response to changes in oil pressure on a discharge port side can be attenuated by a resonator that comprises only one chamber, whereby the volume occupied by the resonator can be minimized. An oil pump in an engine, for feeding oil from a suction port to a discharge port through rotation of a rotor fitted in a pump housing, includes: a discharge flow channel communicating with the discharge port; a resonator comprising an introduction channel formed in the discharge flow channel and a chamber communicating with the introduction channel; and a piston having a leading end face section that makes up an inner wall face of the chamber, and reciprocating in response to pulsation changes. The piston slides so as to reduce the volume of the chamber as the frequency distribution of the pulsations becomes higher. | 2009-05-21 |
20090129951 | Electrically powered hydraulic actuating system - An electrically powered hydraulic actuating system is disclosed. The system includes a pump that has a plurality of electro-magnetically actuated pumping chambers. The plurality of electro-magnetically actuated pumping chambers have a common inlet situated to supply the plurality of electro-magnetically actuated pumping chambers with low-pressure fluid. The plurality of electro-magnetically actuated pumping chambers also have a common outlet situated to receive fluid pressurized by the plurality of electro-magnetically actuated pumping chambers. | 2009-05-21 |
20090129952 | Microfluidic Device - A microfluidic device is described. The microfluidic device comprises at least one transport channel and at least one working chamber, wherein the at least one transport channel and the at least one working chamber are separated from each other by a common deformable wall. The at least one transport channel is for containing a transport fluid and the at least one working chamber is for containing a working fluid. The microfluidic device comprises at least one pair of electrodes for changing the pressure on the working fluid such that when the pressure on the working fluid is changed, the deformable wall deforms, resulting in a change of the cross-section of the at least one transport channel. The working chamber comprises a flexible wall different from the common deformable wall and at least one electrode of the at least one pair of electrodes is provided on the flexible wall. | 2009-05-21 |
20090129953 | PUMP, POWER PLANT, A WINDMILL, AND A METHOD OF PRODUCING ELECTRICAL POWER FROM WIND ENERGY - Power plant ( | 2009-05-21 |
20090129954 | Electric Compressor - An electric compressor incorporating an electric motor for driving a compression mechanism and containing, in a compressor housing, a joint between an external terminal for supplying power to the electric motor and an end of a wire from a stator of the electric motor. The electric compressor has a vibration proof means mechanically preventing at least one of disconnection, electrical instantaneous interruption, and damage on an insulating member that are caused by vibration at the joint and/or the vicinity of the joint. The vibration proof means can adopt various structures. When such a mechanical vibration proof means is provided in the electric compressor, vibration proof performance can be enhanced at the joint of a motor terminal with good productivity achieved, and occurrence of disconnection and instantaneous interruption of the terminal joint can be prevented. | 2009-05-21 |
20090129955 | Linear Compressor and Drive Unit Therefor - A drive unit for a linear compressor having a frame and a body configured for reciprocating movement connected to the frame by at least one diaphragm spring and means for guiding the body to allow linear reciprocating movement with respect to the frame, the drive unit including a coil spring for action on the reciprocating body and the frame, the coil spring being configured for extension and compression in a direction of movement. | 2009-05-21 |
20090129956 | Compressor System and Method of Lubricating the Compressor System - A compressor system comprising a compressor (e.g., rotary screw compressor) a gearbox and a lubrication system for providing lubrication to the compressor and the gearbox is disclosed. The compressor and the gearbox are provided in operational association with one another within a compressor housing. The compressor system further comprises a gear pump for lubricating the gearbox and a compressor oil circuit for lubricating the compressor from a lubricant source within the lubrication system. The lubrication system further includes at least two lubricant feeds, with one feed connecting the gear pump and one feed connecting the compressor oil circuit. Upon activation of the gear pump and/or the compressor oil circuit, lubricant from the lubricant source is encouraged to flow through the associated lubricant feed for distribution to the associated portion of the compressor system. An additional connection line connecting the gear pump and the compressor oil circuit is provided to continuously provide lubrication to associated portions upon the gear pump or the lubricant feed connecting the compressor oil circuit becomes inoperative. | 2009-05-21 |
20090129957 | Drywall Mud Pump With Improved Connection Between The Piston And The Rod - Drywall mud pump for pumping drywall joint compound, for instance, from a bucket into a drywall tool. The pump includes a cylinder, a piston, a rod, and a means, or a connection structure between the piston and the rod, for allowing the end of the rod to move laterally relative to the piston. Some embodiments have an elongated hole in the piston that receives a flattened or reduced diameter end of the rod, for example. Different embodiments include a pump head through which the rod passes, a handle, a linkage, a means for allowing the rod to pivot, a shortened guide, a means for preventing the piston from rotating about the rod, or a combination thereof. Pistons may include, for example, passageways with straight and curved sides, a flapper, an elongated washer to block the elongated hole, and a means for controlling the rotational position of the washer. | 2009-05-21 |