Patent application number | Description | Published |
20100116616 | ROTATIONAL COUPLING DEVICE WITH WEAR COMPENSATION STRUCTURE - A rotational coupling device for use as a clutch and/or brake is provided having structure to compensate for wear on braking surfaces. The device includes an armature coupled to an output member and movable between positions of engagement with a rotor and a brake plate. The brake plate is coupled to a stationary field shell that houses a conductor on one side of the rotor opposite the armature and brake plate. The brake plate is axially spaced from the field shell and a removable shim or adjustable spacer is disposed between the brake plate and the field shell. Removal of the shim or adjustment of the spacer permit movement of the brake plate towards the field shell to compensate for wear in the clutch and/or brake engagement surfaces of the device. | 05-13-2010 |
20120175214 | ROTATIONAL COUPLING DEVICE WITH WEAR COMPENSATION STRUCTURE - A rotational coupling device for use as a clutch, a brake, or a combination clutch and brake is provided having structure to compensate for wear on braking surfaces. The device includes an armature coupled to an output member and movable between positions of engagement with a rotor and a brake plate. The brake plate is coupled to a stationary field shell that houses a conductor on one side of the rotor opposite the armature and brake plate. The brake plate is axially spaced from the field shell and a removable shim or adjustable spacer is disposed between the brake plate and the field shell. Removal of the shim or adjustment of the spacer permit movement of the brake plate towards the field shell to compensate for wear in any of the clutch or brake engagement surfaces of the device. | 07-12-2012 |
20130048463 | ROTATIONAL COUPLING DEVICE CONFIGURED FOR VERTICAL ORIENTATION - A rotational coupling device is configured for vertical orientation. The device includes a hub disposed about a rotational axis. A rotor is supported on, and configured for rotation about, the hub and defines a radially extending wall. An armature is supported on the hub for rotation therewith and axially spaced from the wall. Clutch plates are disposed between the rotor wall and armature and rotatably coupled to the rotor or armature. A field shell is disposed on an opposite side of the rotor wall from the armature and houses a conductor. The armature and clutch plates move in a first axial direction towards the rotor wall when the conductor is energized and in a second axial direction when the conductor is subsequently deenergized. At least one of the hub and rotor defines means for limiting movement of a corresponding one of the clutch plates in the second axial direction. | 02-28-2013 |
20130048464 | ROTATIONAL COUPLING DEVICE WITH INTEGRATED ROTOR AND BRAKE DISC - A rotational coupling device is provided with an integrated rotor and brake disc to simplify design of the device and remove liquids from the device when used in a wet environment. The rotor is configured for rotation about a rotating hub and includes a first member defining one pole of the rotor and a second member defining a second pole of the rotor and a braking surface. The second member is coupled to the first member, but axially movable relative to the first member. During clutch engagement, an electromagnetic circuit used to engage the clutch urges the second member into engagement with the first member for rotation. When the clutch is disengaged, the second member disengages from the first member to create a fluid flow path between the members and engages a brake plate to halt rotation of the rotor. | 02-28-2013 |
Patent application number | Description | Published |
20090101587 | METHOD OF INHIBITING SCALE FORMATION AND DEPOSITION IN DESALINATION SYSTEMS - This invention relates to an improved method of inhibiting corrosion and calcium sulfate and calcium carbonate scaling in thermal and membrane desalination processes. The method includes adding a composition having an acrylic acid 2-acrylamido-2-methylpropyl sulfonic acid copolymer, optionally combined with an oligomeric phosphinosuccinic acid to seawater or recirculation brine in a desalting process to produce water for drinking and industrial applications. The method also includes adding a composition including mono, bis, and oligomeric phosphinosuccinic acid adducts to the desalting process. | 04-23-2009 |
20090294372 | INHIBITION OF WATER FORMED SCALE IN ACID CONDITIONS - The current invention relates to the inhibition of scale deposits in an acidic slurry or solution. The current invention uses an aqueous synthetic mixture comprising a phosphate, phosphonate, anionic polymer, or combinations thereof in the slurry and/or solution to inhibit scale during the processing of ore. The production of scale in an acidic environment is difficult because of the acidic solution neutralizing most known inhibitors. The claimed invention has a significant decrease in the scale production allowing for reduced down time of systems for de-scaling procedures. | 12-03-2009 |
20090294373 | INHIBITION OF WATER FORMED SCALE IN ACID CONDITIONS - The current invention relates to the inhibition of scale deposits in a slurry or solution under acidic conditions. The current invention uses an aqueous synthetic mixture comprising a phosphate, phosphonate, anionic polymer, or combinations thereof in the slurry and/or solution to inhibit scale deposition from acidic process streams. The control of scale under acidic conditions is difficult because the acidic environment renders most known inhibitors ineffective. The claimed invention causes a significant decrease in the scale generated allowing for reduced down time of systems for de-scaling procedures and thus increasing production. | 12-03-2009 |
20090294374 | METHOD FOR INHIBITING THE FORMATION AND DEPOSITION OF SILICA SCALE IN AQUEOUS SYSTEMS - A method for inhibiting the formation and deposition of silica and silicate compounds in water systems comprising adding to the water in the water system an effective inhibiting amount of one or more water-soluble polymers of formula | 12-03-2009 |
20100123100 | COMPOSITION AND METHOD FOR CONTROLLING COPPER DISCHARGE AND EROSION OF COPPER ALLOYS IN INDUSTRIAL SYSTEMS - Compositions and methods of using such compositions for reducing copper ion discharge from aqueous systems is disclosed and claimed. The composition includes a synergistic combination of at least two different benzotriazoles or salts thereof that effectively provides an erosion-resistant barrier on copper-containing surfaces of industrial systems. | 05-20-2010 |
20100170855 | MODIFICATION OF PRECIPITATE MORPHOLOGY AND SETTLING CHARACTERISTICS IN ACID CONDITIONS - The current invention relates to the modification of precipitate formed from an acidic slurry or solution resulting in decreased settling times and final solids bed volumes. The current invention uses an aqueous synthetic mixture comprising a phosphate, phosphonate, anionic polymer, anionic/cationic polymer blend or combinations thereof in the slurry and/or solution to improve clarification of the process stream. The claimed invention has a significant effect on precipitate morphology consequently improving settling characteristics and allowing for superior solid-liquid separation and process throughput. | 07-08-2010 |
20110253628 | METHOD OF INHIBITING SCALE FORMATION AND DEPOSITION IN DESALINATION SYSTEMS - This invention relates to an improved method of inhibiting corrosion and calcium sulfate and calcium carbonate scaling in thermal and membrane desalination processes. The method includes adding a composition having an acrylic acid 2-acrylamido-2-methylpropyl sulfonic acid copolymer, combined with a synergistically effective amount of oligomeric phosphinosuccinic acid to seawater or recirculation brine in a desalting process to produce water for drinking and industrial applications. The method also includes adding a composition including mono, bis, and oligomeric phosphinosuccinic acid adducts to the desalting process. | 10-20-2011 |
20120161068 | METHOD FOR INHIBITING THE FORMATION AND DEPOSITION OF SILICA SCALE IN AQUEOUS SYSTEMS - This invention relates to an improved method for inhibiting the formation and deposition of silica and silicate compounds in a water system. In particular, the method includes adding to the water system a relatively low molecular weight organic, anionic polymer. The polymer preferrably has an acrylic acid or methacrylic acid functionality and is preferrably selected from one or more of homopolymers of acrylic acid, a methacrylic acid/polyethylene glycol allyl ether copolymer, a homopolymer of methacrylic acid, an acrylic acid/polyethylene glycol allyl ether copolymer, and an acrylic acid/1-allyloxy-2-hydroxypropane sulfonic acid copolymer, homopolymers of maleic anhydride, copolymers of maleic anhydride and polyethylene glycol allyl ether, and combinations thereof. | 06-28-2012 |
20140186210 | CORROSION AND FOULING MITIGATION USING NON-PHOSPHORUS BASED ADDITIVES - Water treatment compositions are provided that are effective for mitigating corrosion or fouling of surfaces in contact with aqueous systems. The water treatment compositions can include one or more azole compounds, one or more transition metals, and one or more dispersants, in addition to various other additives. The water treatment compositions can exclude phosphorus and still be effective. Methods for mitigating corrosion or fouling of a surface in an aqueous system are also provided. | 07-03-2014 |
20140263078 | FOULING MITIGATION IN EQUIPMENT USED DURING HYDROCARBON PRODUCTION - Methods for dispersing foulants are disclosed herein. Various effective dispersant compositions are also disclosed. The dispersant composition can include a silt dispersant and a hydrocarbon dispersant. Generally, the silt dispersant can be a homopolymer or a copolymer of one or more monomers, and the monomers can be one or more of acrylic acid, methacrylic acid, α-halo acrylic acid, maleic acid, itaconic acid, vinyl acetic acid, allyl acetic acid, fumaric acid, β-carboxylic acrylate, and their salts. The silt dispersant can also be a terpolymer of acrylic acid, acrylamide, and sulfonated acrylamide. The hydrocarbon dispersant can be a non-ionic surfactant or a nonylphenol or a nonylphenol ethoxylate, such as a high EO 9 Nonyl phenol resin. Also disclosed are methods for preventing or reducing fouling in equipment that contacts water used during a hydrocarbon production process. | 09-18-2014 |
20140272133 | CORROSION CONTROL COMPOSITIONS AND METHODS OF MITIGATING CORROSION - Corrosion inhibitor compositions are provided that can include a mixture of one or more transition metals, one or more organic phosphates, one or more inorganic phosphates, optionally a dispersant, and hydroxyphosphono acetic acid and/or salts thereof. Methods of mitigating or inhibiting corrosion of housing or conduits containing aqueous mediums are also disclosed. The methods can include the steps of pretreating the metal conduit with a mixture of one or more transition metals, one or more organic phosphates, one or more inorganic phosphates, and hydroxyphosphono acetic acid, introducing an aqueous medium into the metal conduit, and injecting a mixture of one or more transition metals, one or more organic phosphates, one or more inorganic phosphates, and hydroxyphosphono acetic acid and/or salts thereof into the aqueous medium. | 09-18-2014 |
20140298872 | POLYMERS USEFUL IN AGRICULTURAL APPLICATIONS - Methods of coating seeds with polymers and seeds coated with such polymers are disclosed herein. The polymers can be phosphonates, sulfonates, polymers of ethylenically unsaturated carboxylic acids, polyaminopolyethermethylene phosphonate, polysuccinic oligomers, acrylic acid/2-acrylamido-2-methylpropane sulfonic acid, blends of acrylic acid/2-acrylamido-2-methylpropane sulfonic acid with polyaminopolyethermethylene phosphonate, sulfomethylated acrylic acid/acrylamide, blends of sulfomethylated acrylic acid/acrylamide with polyaminopolyethermethylene phosphonate, polymaleic acid, acrylic acid/acrylamide copolymers, polyacrylic acid, trimethylglycine hydrochloride, blends of polyaminopolyethermethylene phosphonate with trimethylglycine hydrochloride, and any combination or salt of such polymers. Methods of monitoring, determining, and controlling the concentration of scale inhibitors in an agricultural irrigation system are also disclosed herein. | 10-09-2014 |
Patent application number | Description | Published |
20100099501 | PROTECTING WAGERING GAME MACHINES FROM ELECTROSTATIC DISCHARGE - Techniques for protecting wagering game machines from electrostatic discharge are described herein. In some embodiment, a wagering game machine includes a wagering game controller configured to present wagering games upon which monetary value can be wagered. The wagering game machine can also include a button panel that includes a first printed circuit board (PCB) connected to an electrical ground and a second PCB connected to the first PCB by a conductive connector. The button panel can also include a display device connected to the second PCB, an actuator connected to the second PCB, a cap in contact with the actuator, wherein the display device is visible through the cap, and a bezel to retain the cap, where the bezel is coupled to a panel. | 04-22-2010 |
20120208645 | DISPLAY MOUNTING ASSEMBLIES AND GAMING TERMINALS WITH MOUNTING ASSEMBLIES FOR DISPLAY DEVICES - Gaming terminals, gaming systems, display device support assemblies, and methods of mounting a display device to a gaming terminal are presented herein. A gaming terminal for playing a wagering game is disclosed. The gaming terminal includes a cabinet, an input device for receiving wagers to play the wagering game, and a display device for displaying information related to the wagering game. The gaming terminal also includes a mounting assembly which affixes the display device proximate the top of the cabinet. The mounting assembly pivotably supports the display device such that a lateral side of the display device can be selectively swung from a first position over the top of the cabinet to a second position over a front of the cabinet where the display device is removable from the cabinet. | 08-16-2012 |
20130035159 | GAMING MACHINE WITH ENHANCED RF-SHIELDING ENCLOSURE - A gaming terminal includes a housing defining an exterior of the gaming terminal. The gaming terminal includes one or more displays disposed along the housing. The one or more displays are adapted to display, in response to a wager, a wagering game. The gaming terminal also includes a substantially closed interior enclosure disposed within the housing. The interior enclosure includes walls formed from electrically conductive material. The interior enclosure can be substantially closed. The gaming terminal further includes one or more signal-emitting components disposed within the interior enclosure and emitting a level of electromagnetic signals. A transmission of electromagnetic signals from the substantially closed interior enclosure is less than the level of electromagnetic signals emitted from the one or more signal-emitting components. | 02-07-2013 |
Patent application number | Description | Published |
20110202038 | GUIDEWIRE POSITIONING DEVICE - A guidewire positioning device and method for guiding and positioning a guidewire into a branch vessel of a main body vessel are disclosed. The device comprises a guidewire positioning tube attached to a torquable wire shaft. The distal end of the positioning tube is curved at an angle to the axis of the wire shaft. To position a guidewire into a branch body vessel, the guidewire is inserted into a main body vessel and the guidewire positioning device is advanced over the guidewire to the location of the bifurcation. The distal end of the positioning tube is positioned to point toward the targeted branch vessel by advancing or torquing the positioning device. The guidewire is advanced through the guidewire positioning tube and the curved distal end of the guidewire tube is used to direct the guidewire to enter the targeted branch vessel. | 08-18-2011 |
20110301502 | IN-VESSEL POSITIONING DEVICE - A positioning device is disclosed. The device comprises a distal end, a proximal end, and an elongated body disposed in-between, wherein the elongated body is configured to accommodate at least a portion of the apparatus, and wherein a cross-sectional area of a portion the positioning device is smaller than a cross-sectional area of the apparatus and the cross-sectional area of a portion the positioning device is configured to be expandable. | 12-08-2011 |
20120016343 | GUIDING CATHETER STABILIZATION SYSTEM - Guiding catheter support devices, systems, and methods for stabilizing a guiding catheter while positioned in a vessel of a patient are disclosed. The device comprises a stabilizing wire with an elongate portion and a fortified end, wherein the fortified end is more rigid than the elongate portion. The stabilizing wire is inserted into a guiding catheter while it is positioned in a vessel of a patient and increases the rigidity of at least a portion of the guiding catheter thereby providing support and stabilizing the catheter. A standard guiding catheter may be used or a guiding catheter with a primary lumen and a stabilization lumen having a blind distal end may be used, wherein the stabilizing wire is inserted into the stabilization lumen. | 01-19-2012 |
20150133741 | INTUBATION METHODS AND SYSTEMS - A system and a method for facilitating the entry of a tracheal airway of a patient during intubation are disclosed. The system of the present invention comprises an endobronchial tube and a support probe that is configured to be insertable within the endobronchial tube, wherein the support probe is configured to support the endobronchial tube. The length of the support probe is more than a length of the endobronchial tube to facilitate the entry of the endobronchial tube into the tracheal airway. | 05-14-2015 |
20150141958 | DEVICES AND METHODS FOR VASCULAR ACCESS - A vascular access needle assembly is disclosed. The needle assembly contains a needle and a sheath. The needle has a first part, a second part, and a third part. The needle contains a pointed end configured to penetrate skin of a patient and a sheath slidably and rotatably coupled with the needle. The sheath having one or more irrigation slots configured to transmit a fluid from a fluid source to a vascular region. | 05-21-2015 |