38th week of 2014 patent applcation highlights part 120 |
Patent application number | Title | Published |
20140271168 | Radial Diffuser Exhaust System - The present application provides a radial diffuser exhaust system for use with a gas turbine engine. The radial diffuser exhaust system may include a radial diffuser positioned within an asymmetric exhaust collector. The asymmetric exhaust collector may include a closed end chamber and an exhaust end chamber. The closed end chamber may have a first size, the exhaust end chamber may have a second size, and the first size may be smaller than the second size. | 2014-09-18 |
20140271169 | NACELLE FOR A HIGH BYPASS RATIO ENGINE WITH MULTIPLE FLOW PATHS - Nacelle air management systems for a high bypass ratio engine are provided. The nacelles air management systems may include an outer cowl and an inner cowl that are configured to provide dual bypass flow channels around an engine core. These systems may be employed to accommodate larger engine fans. The nacelle air management system may also include one or more blocker doors are configured to at least partial obstruct and/or direct air from the dual bypass flow channels to create reverse thrust. | 2014-09-18 |
20140271170 | CENTRIFUGAL COMPRESSORS AND METHODS OF DESIGNING DIFFUSER VANES FOR THE SAME - Centrifugal compressors, methods of forming centrifugal compressors, and methods of designing diffuser vanes in centrifugal compressors are provided herein. In an embodiment, a method of designing diffuser vanes includes providing an initial two-dimensional diffuser vane layout including initial diffuser vane peripheries radially spaced about an axis. The initial diffuser vane peripheries are rotated using a computer processor to produce rotated diffuser vane peripheries having offset trailing ends relative to the initial diffuser vane peripheries. The rotated diffuser vane peripheries are circumferentially shifted about the axis to produce shifted diffuser vane peripheries. Leading ends of the shifted diffuser vane peripheries are offset from the leading ends of the initial diffuser vane peripheries. Diffuser vane surfaces are generated that connect the shifted diffuser vane peripheries to the corresponding initial diffuser vane peripheries to form diffuser vanes in a twisted configuration. | 2014-09-18 |
20140271171 | COMPRESSOR AIRFOIL - Aspects of the present invention relate to systems and methods of a vane design utilizing welding techniques. The present invention concerns a method for preventing cracking within a vane assembly utilizing full penetration welding. Additional embodiments concern a vane design that, when assembled with another vane, comprises an axial slot that prevents cracking within a vane assembly. | 2014-09-18 |
20140271172 | FREE-TIPPED AXIAL FAN ASSEMBLY - A free-tipped axial fan assembly includes a fan having a blade tip geometry which minimizes the adverse effect of a tip gap. The maximum blade thickness exhibits a significant increase adjacent the blade tip. In some constructions, the maximum thickness at the blade tip is at least 100 percent greater than the maximum thickness 0.10R away from the blade tip. In some constructions, the trailing-edge thickness at the blade tip is approximately the same as the trailing-edge thickness 0.10R away from the blade tip. In some constructions, the increase in blade thickness follows the square of the distance from the position where the increase begins. | 2014-09-18 |
20140271173 | CENTRIFUGAL COMPRESSOR WITH AXIAL IMPELLER EXIT - A gas turbine engine includes a centrifugal compressor having an improved impeller structure. The impeller structure includes a near axial discharge configuration thus reducing the overall size of the envelop surrounding the compressor assembly. The impeller structure may have axial exit vanes. | 2014-09-18 |
20140271174 | Turbine Cap for Turbo-Molecular Pump - A turbine assembly mounted to a pump rotor via mounting bolts. The turbine includes fins extending therefrom for pumping gasses and suspended particles from a semiconductor processing chamber. The tops of the bolts are recessed from the top surface of the turbine in a bolt cavity having an open end. A cap member is mounted over and seals the open end of the bolt cavity via a center bolt. The cap member has a shaped upper surface (conical, parabolic, squared, rounded) for deflecting particles away from the center of the turbine and toward the turbine's fins. The cap member's upper surface can include particle deflecting features such as fins, channels or asymmetric shapes to enhance particle deflection as the cap member rotates. The cap member can include a compressible o-ring for a friction fit mounting to the turbine. | 2014-09-18 |
20140271175 | Alternating Paddle Mechanism for Pool Cleaner - Embodiments of the invention provide a paddle wheel mechanism for a pool cleaner. The paddle wheel mechanism includes a housing with an internal flow area, a paddle wheel shaft supported by the housing, and a paddle wheel supported by the paddle wheel shaft. The paddle wheel includes a base extending along a base width and a plurality of paddle wheel blades extending from the base within the internal flow area. The plurality of paddle wheel blades include a first-type blade with a first blade portion having a first blade width extending along the paddle wheel base from a first side of the paddle wheel base, and a second-type blade with a second blade portion having a second blade width extending along the paddle wheel base from a second side of the paddle wheel base. The first blade width and the second blade width are each less than the base width, and the first-type and second-type blades are arranged on the base in an alternating manner. | 2014-09-18 |
20140271176 | BEARING HOUSING - A bearing housing for use with a centrifugal pump can include a bracket and a cradle separated from the bracket by a gap. A plurality of ribs can connect the bracket to the cradle across the gap. The ribs can be sized and configured to improve cooling to help minimize operational temperatures of the cradle. | 2014-09-18 |
20140271177 | SEAL FOR A CENTRIFUGAL PUMP - A seal for use in a centrifugal pump, the pump having a stationary pump casing, a stationary plate and an axially adjustable side liner, is disclosed. The seal includes a base having an inner surface and an outer surface. A band portion extends from the base and a retainer member extends from the band portion. The retainer member is spaced apart from the base and oriented for positioning against a groove formed in the axially adjustable side plate liner of the centrifugal pump. | 2014-09-18 |
20140271178 | Fan Blades for Gas Turbine Engines with Reduced Stress Concentration at Leading Edge - A light weight fan blade for a gas turbine engine is disclosed. The disclosed fan blade has an increased chord length at a transition section between the inner edge or single tooth attachment portion of the fan blade that connects to the rotor disk and the airfoil. Increasing the chord length at the transition section substantially reduces the stress concentration when the fan blade is operated under normal operating conditions. Reducing the stress concentration enables engineers to design lighter fan blades and larger fan blades for larger gas turbine engines. By increasing the size of gas turbine engines, additional thrust can be provided without adding additional engines to the aircraft. | 2014-09-18 |
20140271179 | Blade Safety Mechanism for Open Rotor Engine System - A method and apparatus for safely handling an undesired blade event in an open rotor engine system. In one illustrative embodiment, an occurrence of an undesired blade event in an open rotor engine system is detected. Electrical energy is allowed to flow into a conductor embedded in the blade in response to the undesired blade event. The conductor is vaporized when the electrical energy flowing through the conductor heats the conductor to a temperature above a selected threshold. | 2014-09-18 |
20140271180 | Gimbaled Tail Rotor Hub with Spherical Elastomeric Centrifugal Force Bearing for Blade Retention and Pitch Change Articulation - A rotor hub comprises a gimbal assembly and an elastomeric centrifugal force bearing. The gimbal assembly is configured to transfer rotational movement of a mast to the rotor hub and to enable the rotor hub to flap relative to the mast. The elastomeric centrifugal force bearing is configured to withstand centrifugal force of a rotor blade when the mast is rotated and is configured to accommodate pitch changes of the rotor blade. A method comprises designing a gimbal assembly that enables a tail rotor hub to flap relative to a tail rotor mast. A centrifugal force bearing is selected that enables tail rotor blades to withstand centrifugal force and that allows for tail rotor blade pitch change articulation. Then, instructions are provided to use the gimbal assembly and the centrifugal force bearing in an in-plane tail rotor assembly. | 2014-09-18 |
20140271181 | SYSTEM AND METHOD FOR REDUCING LOADS ACTING ON A WIND TURBINE IN RESPONSE TO TRANSIENT WIND CONDITIONS - A method for reducing loads acting on a wind turbine in response to transient wind conditions is disclosed. The method may generally include determining an actual value for a blade parameter of a rotor blade of the wind turbine using a first sensor associated with the rotor blade, monitoring a secondary operating parameter of the wind turbine using a second sensor, determining a predicted value for the blade parameter based on the secondary operating parameter, comparing the actual value to the predicted value and performing a corrective action to reduce the loads acting on the wind turbine if the actual value differs from the predicted value by at least a differential threshold. | 2014-09-18 |
20140271182 | SOFT IN-PLANE AND STIFF OUT-OF-PLANE ROTOR SYSTEM - A rotor assembly includes a yoke operably associated with a rotor blade. The yoke includes a first device and a second device that attach the rotor blade to the yoke. The first device is configured to allow transverse movement of the rotor blade about a chord axis and rotational movement about a pitch-change axis. The second device is configured to allow rotational movement of the rotor blade solely about the pitch-change axis. The method includes rotating rotor assembly about a first plane of rotation, while retaining a relatively stiff out-of-plane rotation and a relatively soft in-plane rotation during flight. | 2014-09-18 |
20140271183 | Wind Turbine with Variable Pitch Blades - A wind turbine including a blade pitch control ring mounted coaxially with and rotatable with the wind turbine, and an angle control arm connected between the blade pitch control ring and each of the turbine blades for simultaneously changing the pitch of all of the turbine blades. | 2014-09-18 |
20140271184 | ACTUATION OF DISTRIBUTED LOAD MANAGEMENT DEVICES ON AERODYNAMIC BLADES - Systems, apparatuses, and methods are provided for actuating less than all of a plurality of load management devices on a wind turbine and/or a wind turbine blade. In some embodiments, the actuation sequences may be a root-to-tip, tip-to root, maximum-distributed-load, random, and/or a cycle-count actuation sequence. Further, a combination of two or more actuation sequences may be utilized to achieve a desired result. The system may choose an appropriate blade-based and/or rotor-based actuation sequence according to operating conditions, may alternate actuation sequences, and/or may employ different actuation sequences among the plurality of blades of a wind turbine. The load management devices may be actuated to different maximum heights and/or may be configured to be actuated to variable heights. The load management devices may be included as part of a distributed management system providing a corresponding controller and/or sensor at each load management device. | 2014-09-18 |
20140271185 | DETERMINING LOADS USING VARIOUS SENSOR LOCATIONS - A system and method for pressure based load measurement are provided. The system and method measure at least one pressure differential on an airfoil and determine at least one aerodynamic load associated with the at least one pressure differential. The determined at least one load is used to modify characteristics of the airfoil to increase efficiency and/or avoid damage. The determined at least one aerodynamic load may be further utilized to balance and/or optimize loads at the airfoil, estimate a load distribution along the airfoil used to derive other metrics about the airfoil, and/or used in a distributed control system to increase efficiency and/or reduce damage to, e.g., one or more wind turbines. | 2014-09-18 |
20140271186 | Blade Balancing - A system and method for pressure based load measurement are provided. The system and method measure at least one pressure differential on an airfoil and determine at least one aerodynamic load associated with the at least one pressure differential. The determined at least one load is used to modify characteristics of the airfoil to increase efficiency and/or avoid damage. The determined at least one aerodynamic load may be further utilized to balance and/or optimize loads at the airfoil, estimate a load distribution along the airfoil used to derive other metrics about the airfoil, and/or used in a distributed control system to increase efficiency and/or reduce damage to, e.g., one or more wind turbines. | 2014-09-18 |
20140271187 | Distributed Control System - A system and method for pressure based load measurement are provided. The system and method measure at least one pressure differential on an airfoil and determine at least one aerodynamic load associated with the at least one pressure differential. The determined at least one load is used to modify characteristics of the airfoil to increase efficiency and/or avoid damage. The determined at least one aerodynamic load may be further utilized to balance and/or optimize loads at the airfoil, estimate a load distribution along the airfoil used to derive other metrics about the airfoil, and/or used in a distributed control system to increase efficiency and/or reduce damage to, e.g., one or more wind turbines. | 2014-09-18 |
20140271188 | Measurement of Rotor Blade Flapping - According to one embodiment, a flapping measurement system may include a position sensor and a controller. The position sensor may be disposed on the flapping plane of a rotor blade and operable to provide position measurements identifying locations of the position sensor during operation of the rotor blade. The controller may be operable to identify flapping of the rotor blade based on the position measurements. | 2014-09-18 |
20140271189 | Marine Drive System and Method - An improved marine drive system for a marine vessel includes a longitudinally extending drive shaft assembly, a hydraulic cylinder and piston assembly pivotally attached between the drive shaft assembly and the vessel. The cylinder has a first fluid filled cylinder chamber that retains a coiled spring that urges a translatable cylinder piston through a second fluid cylinder chamber to extend the piston rod from said hydraulic cylinder lowering the drive shaft assembly. Fluid lines in communication with switch controlled valves allow for selective evacuation of fluid from the first fluid filled chamber to reduce fluid pressure to move the piston in response to fluid pressure in the second cylinder chamber to collapse the spring to retract the rod to raise the drive shaft assembly. An additional fluid line and switch controlled valve allows for selective removal of fluid from the second fluid filed chamber to reduce fluid pressure to move the piston in response to the spring to extend the rod to lower the subsequently raised drive shaft assembly. | 2014-09-18 |
20140271190 | Wind Turbine Blade having a Conductive Root Bushing - A wind turbine blade is described having a lightning protection system wherein a lightning down conductor is conductively coupled to at least one blade root bushing provided at the root end of the blade. The use of the blade root bushing as part of the conductive path of the lightning protection system allows for a structurally sound and reliable connection of an internal down conductor to an external lightning protection system and/or to a suitable ground connection at the blade root end. | 2014-09-18 |
20140271191 | MOUNTING ARRANGEMENT FOR LOAD COMPENSATING DEVICE - A mounting arrangement for a load compensating device is provided. The mounting arrangement includes a cover sheet connected to a housing via a plurality of protrusions. The cover sheet may form a portion of a surface of an airfoil rotor blade. The housing may include a plurality of clamps extending outward from the housing and configured to contact an inner surface of the airfoil rotor blade. By tightening the clamps onto the interior surface, the device is mounted to the blade and the cover sheet may deform to correspond to the airfoil geometry of the airfoil rotor blade. The mounting arrangement may further include a mounting plate configured to permit the housing to float within the aperture formed in the airfoil rotor blade, and a tab arranged on one end of the mounting plate to distribute centrifugal force to the surface of the airfoil rotor blade. | 2014-09-18 |
20140271192 | ACTUATION MECHANISMS FOR LOAD MANAGEMENT DEVICES ON AERODYNAMIC BLADES - Systems, apparatuses, and methods are provided for actuating one or more load management devices on a wind turbine and/or a wind turbine blade. Each actuator may exhibit one or more beneficial qualities including appropriate actuation speed/force characteristics, size and/or weight characteristics, and/or increased reliability and consistent operation in a variety of operating conditions. According to some aspects, the actuator may be a direct pneumatic actuator, a ramp slide pneumatic actuator, a scissor actuator, a linear induction actuator, a belt actuator, a closed cam follower actuator, a screw drive actuator, a solenoid actuator, a rack and pinion actuator, a cylindrical cam follower actuator, a Y-belt actuator, an offset rotary drive actuator, a tape style actuator, a rigid tape actuator, a deformable membrane actuator, a memory alloy actuator, and/or a crank slide actuator. | 2014-09-18 |
20140271193 | Load Distribution Estimation - A system and method for pressure based load measurement are provided. The system and method measure at least one pressure differential on an airfoil and determine at least one aerodynamic load associated with the at least one pressure differential. The determined at least one load is used to modify characteristics of the airfoil to increase efficiency and/or avoid damage. The determined at least one aerodynamic load may be further utilized to balance and/or optimize loads at the airfoil, estimate a load distribution along the airfoil used to derive other metrics about the airfoil, and/or used in a distributed control system to increase efficiency and/or reduce damage to, e.g., one or more wind turbines. | 2014-09-18 |
20140271194 | VEHICLE PROPULSION - A vehicle propulsion system having a mount; a rotation shaft oriented substantially normal to a plane of travel of a vehicle; a fixture coupled to the rotation shaft, the fixture being rotatable about a rotation shaft axis of the rotation shaft; and an oar assembly coupled to the fixture; wherein the coupling is coupled to the fixture, wherein the rotation shaft axis is substantially normal to the rotational axis; wherein the coupling is coupled to the fixture to permit rotation of the oar assembly about the rotation axis when the lock is locked. | 2014-09-18 |
20140271195 | Boat rowign device - A boat rowing device is disclosed. The device comprises a driving gear secured to a plate. A driven gear is secured with the plate such that to receive rotational movement from the driving gear. A handle is secured with the driving gear to rotate the driving gear. An oar is secured with the driven gear such that to facilitate rowing of the boat. | 2014-09-18 |
20140271196 | APPARATUS FOR PROPELLING FLUID, ESPECIALLY FOR PROPULSION OF A FLOATING VEHICLE - A propeller has a number of blade surfaces or winglets extending helically around its rotational axis in the most streamlined manner. The winglets gradually project at an increasing distance outward with an arcuate shape, each defining a rearwardly concave channel that increases in volume and degree of encirclement rearward on the propeller. In the front of the propeller, the winglets are shaped so that they have edges angled obliquely and diagonally that conformingly and without cavitation cut into the water and cause it to flow smoothly in the channels. In the middle of the propeller, the winglet edges extend rearward so that water entrained in the channel is directed rearward without centrifugal loss. In the rear portion of the propeller, the channels narrow and reduce in volume so as to expel the water from the concavity. | 2014-09-18 |
20140271197 | FREQUENCY ADAPTER AND RETURN MEANS SUITABLE FOR BEING ARRANGED IN SUCH A FREQUENCY ADAPTER - A frequency adapter for a rotorcraft rotor is provided. The frequency adapter has at least first and second cylinders having respective elongate first and second side walls, respectively. The second cylinder is surrounded at least in part by the first cylinder. Resilient return rings are in contact with the first and second side walls. The return rings comprise resilient first and second extreme layers each in contact with the first and second side walls. The adapter is provided with a fluid arranged in a single chamber between the first and second extreme layers. | 2014-09-18 |
20140271198 | WIND TURBINE BLADES WITH LAYERED, MULTI-COMPONENT SPARS, AND ASSOCIATED SYSTEMS AND METHODS - Wind turbine blades with layered, multi-component spars, and associated systems and methods are disclosed. A wind turbine blade system in accordance with a particular embodiment includes a first blade segment having a first spar element that includes first planks having a first thickness and a first plank composition, and a second blade segment having a second spar element that includes second planks having a second thickness and a second plank composition different than the first plank composition. The second blade segment is joined to the first blade segment at a joint, and, in particular embodiments, an overall product of thickness and elastic modulus of the first planks is approximately equal to an overall product of thickness and elastic modulus for the second planks. | 2014-09-18 |
20140271199 | High Flapping Yoke Hub Assembly Using a Cylindrical Elastomeric Attachment to Avoid Holes - An apparatus comprising a rotor yoke comprising two longitudinal side portions interconnected by two outboard portions, wherein a center portion of each longitudinal side portion comprises a build-up of material that is configured to accommodate a yoke hub clamp. Included is an apparatus comprising a rotor yoke comprising two longitudinal side portions interconnected by two outboard portions, wherein no apertures pass through the two longitudinal side portions and the two outboard portions. Also included is a method of coupling aircraft blades comprising providing a rotor yoke comprising two longitudinal side portions interconnected by two outboard portions, wherein no apertures pass through the two longitudinal side portions and the two outboard portions. | 2014-09-18 |
20140271200 | Flexing Clevis Arrangement Bolted Joint Attachment For Flexible Rotor Hub With High Offset And High Flapping - A flexible joint assembly for providing flexure to a rotor blade comprising an upper hub plate and a lower hub plate configured to secure a rotor blade yoke via a bolted joint located radially outward of a mast; and an upper flexure assembly connected to the upper hub plate and a lower flexure assembly connected to the lower hub plate, wherein the upper flexure assembly and lower flexure assembly are configured to promote flapping of the rotor blade yoke about a flapping hinge located radially outward of the bolted joint. | 2014-09-18 |
20140271201 | Jam-Tolerant Linear Control Motor for Hydraulic Actuator Valve - According to one embodiment, a linear control motor includes a first permanent magnet, a coil, a first magnetic material, a shaft, and a first non-magnetic material. The first non-magnetic material is disposed between at least one of the movable components and at least one of the static components and operable to prevent physical contact between at least one of the movable components and at least one of the static components. | 2014-09-18 |
20140271202 | Assembly for Pitch Control System - In accordance with example embodiments, an assembly may include a first interfacing member, a second interfacing member, a first bearing between the first interfacing member and the second interfacing member, and a set of rollers between the second interfacing member and a shaft of the first interfacing member. In example embodiments the first interfacing member may include a first mounting portion and the second interfacing member may include a second mounting portion. In example embodiments, the first mounting portion may be configured to attach to a first structure, for example a wind turbine blade, and the second mounting portion may be configured to attach to a second structure, for example, a hub of a wind turbine. | 2014-09-18 |
20140271203 | Swashplateless Active Blade Pitch Control with a Mechanical Delta-3 Restraint Having an Instantaneous Blade Pitch-flap Coupling Response - An apparatus comprising a hub configured to couple to a mast, a grip configured to couple to the hub and a rotor blade, a pitch actuator coupled to the grip and configured to change a pitch of the rotor blade relative to the mast, and a delta-3 restraint coupled to the pitch actuator, wherein the delta-3 restraint is fixed relative to the mast. An apparatus comprising a hub configured to couple to a mast, a grip configured to couple to the hub and a rotor blade, a pitch actuator coupled to the grip and configured to change a pitch of the rotor blade relative to the mast, and a delta-3 restraint coupled to the pitch actuator, wherein the delta-3 restraint is configured to control the pitch of the blade relative to the mast when the pitch actuator fails, and wherein the delta-3 restraint provides an instantaneous blade pitch-flap coupling response. | 2014-09-18 |
20140271204 | Tiltrotor Control System With Two Rise/Fall Actuators - A rotor system for rotor aircraft comprises a rotor hub comprising a plurality of rotor blades, a rotatable rotor mast coupled to the rotor hub, a swashplate assembly comprising a non-rotating ring engaged with a rotatable ring, a plurality of pitch links mechanically coupling the rotatable ring to the plurality of rotor blades, and a swashplate actuator system. The rotatable ring is configured to rotate with the rotor mast, and the non-rotating ring is configured to engage and guide the rotatable ring. The pitch links are configured to control the pitch angle of each rotor blade. The swashplate actuator system consists of: a first actuator and a second actuator, where the first actuator and the second actuator are mechanically coupled to a stationary surface and the non-rotating ring. | 2014-09-18 |
20140271205 | TURBINE BLADE PIN SEAL - A gas turbine engine turbine disk assembly includes a turbine disk, turbine blades, and pin seals. Each turbine blade includes a platform with a pressure side seal slot extending into a pressure side of the platform and a suction side seal slot extending into a suction side of the platform. The pressure side seal slot and the suction side seal slot are each angled between three and ten degrees in the radial direction relative to the axis of the turbine disk. The pin seal includes a cylindrical shape and is located within a seal slot formed from the pressure side seal slot and the suction side seal slot of adjacent turbine blades. | 2014-09-18 |
20140271206 | TURBINE BLADE WITH A PIN SEAL SLOT - A gas turbine engine turbine disk assembly includes a turbine disk, turbine blades, and pin seals. Each turbine blade includes a platform with a pressure side seal slot extending into a pressure side of the platform and a suction side seal slot extending into a suction side of the platform. The pressure side seal slot and the suction side seal slot are each angled between three and ten degrees in the radial direction relative to the axis of the turbine disk. The pin seal includes a cylindrical shape and is located within a seal slot formed from the pressure side seal slot and the suction side seal slot of adjacent turbine blades. | 2014-09-18 |
20140271207 | FAN BLADE - A rotor blade assembly for a gas turbine engine includes two aerofoil members joined together at their roots by a blade assembly attachment web. The rotor blade assembly is made from a composite material, for example an organic fibre composite material. The blade assembly attachment web is used to attach a plurality of rotor blade assemblies to the rest of the gas turbine engine in order to form a rotor stage. The rotor stage may, for example, be the fan stage of a turbofan gas turbine engine. | 2014-09-18 |
20140271208 | SYSTEMS AND METHOD FOR A COMPOSITE BLADE WITH FILLET TRANSITION - A system includes a turbomachine blade segment including an airfoil with an exterior surface, and a platform coupled to the airfoil having a first side and a second side. The system also includes a concave fillet transition extending between the airfoil and the platform. The concave fillet transition includes one or more interface ply segments extending across the exterior surface of the airfoil and the first or the second side of the platform to form a continuous surface between the airfoil and the platform. | 2014-09-18 |
20140271209 | Fiber Orientation to Allow for Automated Ply Placement With Composite Rotor Yokes - An apparatus comprising a soft in plane rotor yoke comprising two longitudinal side portions connected together via two outboard portions, wherein the outboard portions comprise a plurality of first layers formed of a first composite fabric material having a plurality of first fibers oriented in a first direction, and a plurality of second layers formed of a second composite fabric material having a plurality of second fibers oriented in a second direction. Included is an apparatus comprising a soft in plane rotor comprising two longitudinal side portions connected together via two outboard portions, wherein the outboard portions comprise a plurality of first layers formed of a first composite fabric material, and a plurality of second layers formed of a second composite fabric material, wherein the soft in plane rotor yoke does not comprise any narrow steered slit tape or filament windings. | 2014-09-18 |
20140271210 | CONNECTION SYSTEM FOR CONNECTING COMPONENT SECTIONS OF WIND TURBINE BLADES - The present invention relates to a connection system for connecting component sections of wind turbine blades, according to which one or more intermediate parts ( | 2014-09-18 |
20140271211 | DROPPED CEILING FAN - Disclosed is a dropped ceiling fan that includes an elongated body with a fan inside the elongated body that move air downward in the elongated body with a plate positioned below the fan with a hole in the airflow of the fan, a peripheral intake that surrounds the plate and several inclined elements that direct air that is adjacent to the elongated body into the peripheral intake. The elongated body includes a hole in the top that, in combination with the peripheral intake, defines the intake for the fan, to take inlet air from either the room below or both the room below and the space above the dropped ceiling. Also disclosed is a mounting bracket to permit HVAC ducting to be coupled to the hole on top of the body to permit the fan to be used as a powered register with an HVAC system. | 2014-09-18 |
20140271212 | FAILSAFE SYSTEM FOR LOAD COMPENSATING DEVICE - An apparatus and system for automatically deploying an air deflector of a load compensating device when there is a loss of communication or power is provided. In some examples, the apparatus and system may include a spring configured to rotate a gear, thereby deploying the air deflector. In some arrangements, the spring may be a torsion spring and may be biased to rotate the gear when released from a hold position maintained by a latch. The latch may be controlled by a release mechanism, such as a solenoid, that may be configured to activate upon occurrence of a communication loss event. The release mechanism may release the latch, thereby releasing the spring and deploying the air deflector. | 2014-09-18 |
20140271213 | AIRFOIL MODIFIERS FOR WIND TURBINE ROTOR BLADES - In one aspect, a rotor blade for a wind turbine is disclosed. The rotor blade may include a body extending between a blade root and a blade tip. The body may define a pressure side and a suction side extending between a leading edge and a trailing edge. In addition, the body may define a chord line extending between the leading and trailing edges. The rotor blade may also include an airfoil modifier coupled to at least one of the pressure side or the suction side of the body. The airfoil modifier may define an end surface disposed adjacent to the trailing edge. At least a portion of the end surface may extend at a non-perpendicular angle relative to the chord. | 2014-09-18 |
20140271214 | AMORPHOUS METAL ROTOR BLADE ABRASION STRIP - A rotor blade abrasion strip and method to manufacturing the same. The abrasion strip being composed of a molded amorphous metal contoured to match a leading edge outer surface of the rotor blade. The abrasion strip being configured to removably attach to a leading edge of the rotor blade and configured to prevent damage to the leading edge during flight. The method includes molding the abrasion strip with the amorphous metal. | 2014-09-18 |
20140271215 | Systems and Methods of Constructing Composite Assemblies - A method of constructing a cured composite assembly includes positioning a composite assembly within a bonding tool, wherein the composite assembly comprises an uncured composite spar and a skin and performing a curing cycle on the composite assembly to simultaneously cure the uncured composite spar and bond the skin to the cured composite spar. | 2014-09-18 |
20140271216 | HORIZONTAL AXIS WIND OR WATER TURBINE WITH FORKED OR MULTI-BLADE UPPER SEGMENTS - Efficiency of a horizontal axis wind/water turbine (HAWT) is increased by the addition of a secondary blade associated with each main blade. The secondary blade is preferably a blade segment paralleling the main blade only in the outer reach of the main blade. The secondary blade travels rotationally ahead of the main blade and axially behind it, in an area in which air has not been disturbed by the main blades and in which disturbance of air by the secondary blade is not seen by the main blades. In one embodiment the secondary blade is carried by its associated main blade. In another embodiment, the secondary blades are carried by a ring or wheel which rotates with the main blades and the axle to which they are attached. | 2014-09-18 |
20140271217 | EFFICIENT WIND TURBINE BLADE DESIGN AND ASSOCIATED MANUFACTURING METHODS USING RECTANGULAR SPARS AND SEGMENTED SHEAR WEB - A wind turbine blade internal structure system is disclosed herein. A representative system includes span wise spar elements, thru thickness web elements, and an aerodynamic shell. In particular embodiments, the spars may be constructed of pre-cured planks and either adhesively bonded together or assembled using layers of laminates between planks. The laminate layers may be used for structural purposes either to increase the stiffness of the spar, increase the effective bond area of the spar to the shell, or to form a transition region at the plank termination. The spars can be incorporated into the shell assembly layup. The shear web may contain segmentation along the span wise axis of the blade, splitting the shear web into pressure and suction halves that are joined by a connector element that allows for alignment between the web halves in the span wise, chord wise, and thickens directions. The spar and web design elements discussed herein can be applied to either a segments or monolithic blade assembly. | 2014-09-18 |
20140271218 | LOW CONDUCTIVITY THERMAL BARRIER COATING - A ceramic composition of matter includes a solvent material and a solute material. The solvent material comprises zirconia or hafnia, or a mixture thereof, which is stabilized with a stabilizing oxide. The solute material comprises a metal oxide of the formula, X | 2014-09-18 |
20140271219 | MOLTEN METAL ROTOR WITH HARDENED TOP - Embodiments of the invention are directed to a rotor for a molten metal pump and a molten metal pump including the rotor. The rotor has a main body and a top comprised of a material that is at least twice as hard as the main body. The top, among other things, may form a first portion of each rotor blade wherein the first portion directs molten metal into a pump chamber or other structure in which the rotor is mounted. | 2014-09-18 |
20140271220 | EROSION RESISTANT COATING - A platinum plus chromium coating applied to the roots and firtrees of turbine blades where the inclusion of chromium creates a single phase outer zone which minimises diffusion paths for sulphur which can preferentially diffuse down phase boundaries and enables a chromium rich outer oxide scale to form on top of the coating. | 2014-09-18 |
20140271221 | USAGE OF A WITNESS MARK TO DISTINGUISH SUPPORT STRUCTURE FROM PART - A component includes a support structure made with an additive manufacturing process with a first end and a second end, and an object made with an additive manufacturing process with a first end and a second end, where the first end of the object is attached to the second end of the support structure. A cross-sectional area of the first end of the object is larger than a cross-sectional area of the second end of the support structure. A method of making an object, the method includes manufacturing a support structure with an additive manufacturing process. An object is manufactured on top of and connected to the support structure with an additive manufacturing process, wherein there is a witness mark created between the support structure and the object. The witness mark is identified. The object is separated from the support structure along the witness mark. | 2014-09-18 |
20140271222 | Composite Rotor System Using Two Race Track Style Cantilevered Yokes - A hub system comprises at least one yoke, at least one shear bearing, and at least one mast adapter. The at least one mast adapter is configured to support the at least one yoke and the at least one shear bearing, and the at least one yoke has a flapping hinge that is non-coincident with a flapping hinge of the at least one shear bearing. Another hub system comprises a stacked yoke and a mast adapter. The mast adapter is configured to transfer rotation from a rotor mast to the hub system to rotate the hub system about a central axis of rotation. The mast adapter is further configured to support the stacked yoke such that each yoke in the stacked yoke is configured to accommodate at least some amount of rotation about an axis that is perpendicular to or about perpendicular to the central axis of rotation. | 2014-09-18 |
20140271223 | Spinner Fairing Assembly - An apparatus comprising a spinner fairing assembly comprising a spinner configured to be fixed relative to a gimbaled yoke coupled to a mast system, and a spinner base configured to be fixed relative to the mast system. A spinner fairing assembly comprising a spinner aligned along a first axis, and a spinner base aligned along a second axis and configured to interface with the spinner, wherein the spinner is configured to transition between a neutral position and a canted position with respect to the spinner base, wherein the first axis and the second axis are coincident in the neutral position, and wherein the first axis and the second axis are not coincident and meet at an origin within the spinner in the canted position. | 2014-09-18 |
20140271224 | PADDLE - A paddle device. First and second paddle assemblies each have a paddle blade extending from a paddle end of a paddle arm so that the paddle structures each have a paddle blade end and a paddle arm end. A hand crankable crank shaft arrangement have a center and first and second ends and having handle segments. The paddle arm end of the first paddle structure is coupled to the first end of the crank shaft arrangement and the paddle arm end of the second paddle structure is coupled to the second end of the crank shaft arrangement. First and second handle grips are rotatably coupled to the crank shaft arrangement so as to permit the crank shaft arrangement to rotate with respect to the first and second handle grips when the crankshaft arrangement is cranked. This abstract is not to be considered limiting. | 2014-09-18 |
20140271225 | INTERIOR COOLING CIRCUITS IN TURBINE BLADES - A rotor blade comprising an airfoil portion and a root portion, and an internal cooling circuit having flow passages in the root portion and the airfoil portion, wherein the internal cooling circuit includes: a first flow passage; and a non-integral plug. The plug may include a plug channel configured to correspond to a desired level of coolant flow through the first cooling passage. The plug may be connected to the rotor blade in a fixed blocking position relative to the first flow passage. | 2014-09-18 |
20140271226 | Turbine Blade Tip With Tip Shelf Diffuser Holes - A turbine blade having a tip including a tip shelf through which pass one or more diffuser cooling holes, the diffuser cooling holes directing the flow of cooling gas along the tip shelf, spreading the flow of cooling gas more evenly along the tip shelf and enhancing the formation of a curtain of cooling air along the tip shelf, leading to lower blade tip temperatures, reduced diversion of cooling air, and greater turbine blade life. | 2014-09-18 |
20140271227 | MANUFACTURE OF HOLLOW AEROFOIL - A method of manufacturing a hollow aerofoil component for a gas turbine engine includes using a capping panel to cover a pocket in a pocketed aerofoil body. During manufacture, the outer surface of the capping panel is located relative to the pocketed aerofoil body. This ensures that the outer surface of the capping panel is located as accurately as possible. This means that the capping panel can be made to be as thin as possible, which in turn reduces weight and material wastage. Once the capping panel has been located in position, it may be welded to the aerofoil body in order to produce the hollow aerofoil component. | 2014-09-18 |
20140271228 | TURBINE BLADE - A turbine blade has hollowness, and is provided with a back-side wall of which a portion of the inner wall surface is exposed at the rear edge portion, with cooling air flown along the inner wall surface at the exposed region; and a recess provided in the inner wall surface at the exposed region. The contour of the recess ( | 2014-09-18 |
20140271229 | TURBINE BLADE - The present invention is a turbine blade ( | 2014-09-18 |
20140271230 | BACK PRESSURE RELIEF MOTOR CONTROL FOR A NON-BLEEDER TURBINE STYLE HVLP SPRAY GUN - A high volume low pressure (HVLP) turbine assembly includes a housing having a turbine which includes a turbine fan rotatable within a turbine casing. A microcontroller is disposed within the housing, where the microcontroller controls a speed of an electric motor powering the turbine fan. A pressure sensor and an airflow sensing means is in airflow communication with a turbine air outlet. The HVLP turbine assembly does not have a bleeder port in airflow communication with the turbine air outlet. Rather, the microcontroller is configured to reduce the speed of the electric motor to an idle speed after a predetermined time has elapsed, wherein the predetermined time is started when the airflow sensing means indicates a period of inactivity. | 2014-09-18 |
20140271231 | Apparatus and Method for Processing Coating Compositions - A method and apparatus for processing coating compositions. The apparatus comprises:
| 2014-09-18 |
20140271232 | SYSTEM AND METHOD FOR CONTROLLING COMPRESSOR MOTOR VOLTAGE - A variable speed drive (VSD) can be used to vary the voltage-to-frequency ratio (V/f) supplied to a compressor motor of a heating, ventilation, air conditioning or refrigeration (HVAC&R) system to compensate for varying conditions in the HVAC&R system. | 2014-09-18 |
20140271233 | MODULAR PUMP PLATFORM - A modular pump platform includes a pump head module, a pump motor module, an electronics module and a separable tray. The pump motor module includes a pump motor having a rotary output removably coupled to a crank shaft of the pump head, the pump motor being one of multiple types of pump motors, and the pump motor module being detachably connected to the pump head module. The electronics module includes an electronic control circuit configured control operation of the pump motor, the electronic control circuit being one of multiple types of electronic control circuits corresponding to the types of pump motors. Each of the pump head module, the pump motor module and the electronics module is detachably connected to the separable tray. At least the pump motor module is interchangeable with another pump motor module comprising a pump motor of another type. | 2014-09-18 |
20140271234 | TURBOCHARGER WITH MAGNETIC BRAKE - Turbochargers are disclosed that have a braking system to brake the rotation of an electrically conductive compressor wheel within the turbocharger. The brake system includes the electrically conductive compressor wheel, which is connected to a turbine by a common shaft, one or more electromagnets positioned proximate to the compressor wheel, and a control circuit electrically coupled to the one or more electromagnets to turn the one or more electromagnets on or off to provide braking action to the compressor wheel. Systems including such a turbocharger and methods utilizing such turbochargers are also included herein. | 2014-09-18 |
20140271235 | DYNAMIC SPEED CONTROL FOR PUMP MOTOR - Systems and methods of controlling the speed of a pump configured to move liquid through a pump system are described. The actual motor speed of the pump motor is controlled by adjusting a current applied to the motor based on the difference between the actual motor speed and the target motor speed according to a gain setting. A first gain value is applied as the gain setting when the difference between the actual motor speed and the target motor speed does not exceed a first threshold. However, a second, higher gain value is applied when the difference between the actual motor speed and the target motor speed exceeds the first threshold. | 2014-09-18 |
20140271236 | FAN DRIVING CIRCUIT - A fan driving circuit drives a first fan and a second fan which are connected in parallel and connected to an anode of a direct current power. The fan driving circuit includes a pulse width modulation signal generation module, a phase lock and delay module, a first pulse output comparator and a first capacitor. The width modulation signal generation module is connected between an external power and the first fan. The phase lock and delayed module is electrically connected to the pulse width modulation signal generation module. The first capacitor is connected between the DC and the ground. The first fan is supplied as normal by a PWM power supply, the second fan is powered by “shadow” and out-of-phase pulses taken from an inductor in the first fan and stored in the capacitor, to achieve a “two-for-one” power supply aspect, which saves power and reduces operational noise. | 2014-09-18 |
20140271237 | VACUUM PUMP - An estimating section detects a signal including counter electromotive voltage information of the motor, and estimating a magnetic pole electric angle and a rotational speed of the motor. A driving current controller repeats generation and cut-off of the driving current supplied from a power supply to the motor via the inverter circuit or regenerated from the motor to the power supply in a low-speed period between a stopped state and a predetermined rotational speed in an accelerating operation at a motor starting time or a decelerating operation at a motor stopping time. The estimating section detects the signal at the cut-off time so as to estimate the magnetic pole electric angle and the rotational speed in the low-speed period. | 2014-09-18 |
20140271238 | GRAPHENE-TROUGH PUMP SYSTEMS - The present invention relates to pump systems having graphene or other atomically thin electrically conductive materials supported by trough-shaped cavities. | 2014-09-18 |
20140271239 | SPARK SUPPRESSION BALLAST CLOSELY COUPLED TO EMITTER ELECTRODE OF ION GENERATOR - By directly connecting, ballast to an emitter electrode of an ion generator (e.g., a corona-discharge device), a rapid and self-corrective reduction in emitter-to-collector voltage may be provided responsive to an increase in current characteristic of incipient sparking discharge. Voltage levels in the emitter-to-collector gap can be rapidly reduced based on voltage drop across the ballast that, while negligible under nominal ion current conditions, transiently increases in the event of a sparking discharge. As a result, the portion of supply voltage (typically multi-KV supply voltage) across the emitter-to-collector gap is transiently reduced to levels below a current breakdown voltage and, indeed, field intensity proximate to the emitter is transiently reduced below levels otherwise necessary to sustain ion generation. | 2014-09-18 |
20140271240 | Multipurpose Gravity Air Compressor - A multipurpose gravity air compressor employs a piston ( | 2014-09-18 |
20140271241 | SINGLE-CYLINDER TREADLE PUMP - A human-powered positive-displacement single dual-action cylinder treadle pump for use in pumping and distributing water from wells and other water sources, as well as methods of manufacturing and operating such a pump. The pump offers rural farmers a portable device for pumping water for use in irrigating fields and crops that is powerful, low-cost, modular and portable. The modularity of the pump allows for easy access to any of the components of the pump should they require maintenance, repair or replacement. | 2014-09-18 |
20140271242 | VIBRATION/NOISE MANAGEMENT IN A SCROLL COMPRESSOR - A scroll pump isolates vibrations of a pump head/motor assembly of the pump from the exterior of the pump and thus, suppresses the production of airborne noise. The pump includes a sound-muffling enclosure surrounding the pump head/motor assembly, feet supporting the enclosure, and elastic vibration isolators. The pump head/motor assembly is fixed to the tops of the vibration isolators, and the sound-muffling enclosure is fixed to the vibration isolators at the bottoms of the isolators. The scroll pump also has a locking system by which motion of the pump head/motor assembly relative to the sound-muffling enclosure can be limited or prevented, and by which the sound-muffling enclosure can be hard-mounted to a support surface independently of the feet. | 2014-09-18 |
20140271243 | PUMP STAND WITH IMPROVED PUMP CONTROL - Integrated, stand-alone, multiple-purpose pump stands are provided for controlled pumping of different liquids from a stand-mounted tank to a downstream use location, e.g., a seed treating device. The pump stands are equipped with an operating assembly including a liquid tank, a powered pump, a liquid flow line equipped with a flow meter from the tank and pump to the use location, and a programmable digital control device. During operation, the control device serves to approach and maintain the flow rate from the pump stand at or about a desired setpoint flow rate. | 2014-09-18 |
20140271244 | Radial hydraulic motor for a hydraulic hybrid vehicle - A radial hydraulic pump/motor for use in place of a mechanical transmission for a hydraulic hybrid vehicle is described. Means for disengaging and reengaging individual working pistons are provided, allowing partial or zero effective displacement. Methods for using the radial pump/motor to supplement power from other pump/motors for the vehicle are also described. | 2014-09-18 |
20140271245 | Biflex film valves - Disclosed is a one-way valve wherein an affixed flexible film device, a downstream edge control means, a channel surface and the motive force of a controlled directional pressurized fluid flow automatically permit forward fluid flow yet check reverse fluid backflow. | 2014-09-18 |
20140271246 | COOPERATION OF PLATEN AND PUMP CASSETTE FOR PUMP DEVICE - A pumping mechanism includes a housing containing the pumping mechanism, the housing defining a seat configured to receive a pump cassette having a fluid lumen that can be acted upon by the pumping mechanism so as to pump fluid through the fluid lumen of the pump cassette. A platen pad is movably attached to the housing mechanism, wherein the platen pad can movably adjust in position relative to the pump cassette as the pump cassette is secured in the seat of the housing. | 2014-09-18 |
20140271247 | INFUSION PUMP CONFIGURED TO ENGAGE A SENSOR WITH TUBING - A pump device includes a pumping mechanism and a housing containing the pumping mechanism. A structure on a door of the housing is configured to urge the tube of a pump set toward engagement with a sensor as the door is closed with the pump set is mounted housing. | 2014-09-18 |
20140271248 | Compressor Device and Method - A compressor includes a first piston, a second piston, and a crank. A first case chamber is defined by a lower surface of a first piston head, a portion of a first cylinder surface disposed below the lower surface of the first piston head, and a first case surface. A second case chamber is defined by a lower surface of a second piston head, a portion of a second cylinder surface disposed below the lower surface of the second piston head, and a second case surface. The first case chamber and the second case chamber are fluidly isolated from one another. The crank is to reciprocate the first piston head and the second piston head up and down. | 2014-09-18 |
20140271249 | ACOUSTIC PUMPS AND SYSTEMS - A microfluidics acoustic pump system includes a flow passage configured to carry a fluid from one location to another, a selectively vibrating flow generator having a sharp edge, and a driving device configured to vibrate one of the flow generator and the flow passage to create a streaming fluid flow in a direction away from the sharp edge through the flow passage. | 2014-09-18 |
20140271250 | Compression System and Method Having Co-Axial Flow Device - A system, including a compressor including a cylinder with a chamber, a first axial end portion, and a second axial end portion, and a piston in the chamber of the cylinder, the piston is configured to reciprocate along a cylinder axis between the first and second axial end portions, and a co-axial flow device coupled to compressor, the co-axial flow device includes a first wall disposed about a first passage along an axis, a second passage disposed about the first wall along the axis, and a second wall disposed about the second passage along the axis, the first passage includes a first axial opening in fluid communication with the chamber while the piston moves in a first axial direction, and the second passage includes a second axial opening in fluid communication with the chamber while the piston moves in a second axial direction opposite from the first axial direction. | 2014-09-18 |
20140271251 | SYSTEMS AND METHODS FOR OCULAR SURGERY - Ocular surgery may be performed by a variety of systems, processes, and techniques. In certain implementations, a system and a process for ocular surgery may include the ability to draw ocular fluid into a channel of a hand-held pump system and separate the fluid into multiple compressible channels to create multiple flows. The system and the process may also include the ability to peristaltically pump the fluid through the compressible channels. | 2014-09-18 |
20140271252 | PUMP HAVING AN AUTOMATED GAS REMOVAL AND FLUID RECOVERY SYSTEM AND METHOD - A precision pump system having a motor driver for accurately and repeatedly delivering process fluid, (e.g., photo chemicals) using a pumping fluid with minimal process fluid loss to a fabrication process and whereby the motor driver can be easily and quickly replaced without interrupting the fluid flow path. This is accomplished with the use of a process fluid reservoir and a pumping fluid reservoir that are associated with the pump, either integrated with the pump or closely adjacent. In addition, this precision pump system can be remotely monitored, viewed and controlled over the Internet. In addition, trapped process fluid within a downstream filtering block can be recirculated to the process fluid reservoir when trapped gas in the filter is removed. Furthermore, a nitrogen gas source is connected to the process fluid reservoir via a valve in case a need to insert a gas is required. | 2014-09-18 |
20140271253 | Fire Pump Controller Configured to Control Pressure Maintenance in Sprinkler Systems - Example devices, systems, and methods disclosed herein relate to a controller configured to control pressure maintenance in a fire protection system. A controller may be configured to control a fire pump to provide a first level of water pressure and to control operation of a jockey pump that is coupled in parallel with the fire pump to provide a second level of water pressure that is less than the first level. The controller is further configured to receive, from a pressure sensor coupled to the fire protection system, an output representative of the water pressure. The controller is configured to provide instructions to initiate the jockey pump based on a pressure value associated with the output being below a first value, and to provide instructions to initiate the fire pump based on the pressure value being below a second value that is less than the first value. | 2014-09-18 |
20140271254 | LABOR SAVING DEVICE FOR USE WITH "T" HANDLED AIR PUMPS - A leverage device includes elongated body connected to a pivoting base, and a means for attaching the elongated body to the “T” handle of a pump used in filling air tanks. In use one securely connects the pivoting base to a stationary vertical surface, connects the attachment assembly to a pump, and repeatedly moves the elongated body in an up-and-down motion. This action moves the attached pump's “T” handle, thereby causing the pump's piston to move with decreased effort and increased speed over the conventional motion of pumping. In this manner a compressed air tank can be filled to approximately 3,000 psi using human power only. | 2014-09-18 |
20140271255 | PRESSURE ADJUSTMENT APPARATUS AND METHOD - A pressure adjustment apparatus including a pump, a selector valve coupled to the pump, and a chamber in selective fluid communication with the pump through the selector valve is disclosed. The pump includes a pump body that defines a variable volume therein, the pump body further defining a first aperture and a second aperture therethrough. The selector valve includes a first check valve disposed in a first fluid channel of a plurality of fluid channels, the first check valve being oriented to permit flow through the first fluid channel only in a first flow direction, the first flow direction being a flow direction out of the variable volume, and a second check valve disposed in a second fluid channel of the plurality of fluid channels, the second check valve being oriented to permit flow through the second fluid channel only in a second flow direction. | 2014-09-18 |
20140271256 | ROVING SUBMERSIBLE PUMP - A roving submersible pump arrangement for movement in a body of fluid is presented. The pump arrangement includes a submersible pump having an inlet and a discharge outlet and a buoyant transport device connected to the submersible pump. The buoyant transport device is operable to position the inlet of the submersible pump at a selected distance from a surface containing the body of fluid. | 2014-09-18 |
20140271257 | NATURAL GAS COMPRESSING AND REFUELING SYSTEM AND METHOD - A refueling system for natural gas users (e.g., natural gas vehicles) includes a two-stage compression system that compresses low-pressure gas in a natural gas supply line to compressed natural gas (CNG) pressure for use by a user. A single motor drives both a first stage rotary compressor and a rotary hydraulic pump that powers a second-stage liquid piston compressor. The motor, first stage compressor, and pump may be co-axially aligned. Booster vessels store compressed gas to augment the system's compressed gas delivery flow rate when desired. The booster vessels may be recharged with compressed gas when the system is not delivering gas to a user. Hydraulic liquid may be pumped into and out of the booster vessels during booster vessel discharge and recharge, respectively, to maintain a desired pressure within the vessels. | 2014-09-18 |
20140271258 | TEMPERATURE CONTROL FOR COMPRESSOR - According to at least one aspect of the present disclosure, an apparatus for cooling a coolant for a gas compressor includes a compressor to generate a flow of compressed gas, a dryer in fluid communication with the compressor, and a coolant circuit. The coolant circuit includes a accumulator to accumulate the coolant, a pump in fluid communication with the accumulator and the compressor to circulate the coolant through the coolant circuit, a first intercooler in fluid communication with the accumulator and the pump and structured to transfer heat from the coolant circuit to the compressed gas flow via the dryer, and a valve disposed between the accumulator and the first intercooler and structured to route at least a portion of the coolant through the first intercooler depending on a temperature of the coolant relative to prescribed low and high temperature limits. | 2014-09-18 |
20140271259 | METHOD OF COORDINATING OPERATION OF COMPRESSORS - A method for coordinating operation between at least two groups of compressors in a cooling circuit is disclosed. A first group of compressors forms part of a low temperature (LT) part of the cooling circuit and a second group of compressors forms part of a high temperature (MT) part of the cooling circuit. Each of the compressor groups comprises one or more compressors, and each of the compressor groups comprises a controller, the controllers being capable of exchanging signals. In the case that the LT compressor group needs one or more of the LT compressors to start operation, it is investigated whether or not one or more of the MT compressors is/are operating. If this is the case, one or more of the LT compressors is/are allowed to start operation. If it is not the case, the suction pressure in the MT part of the cooling circuit is established, e.g. measured, and compared to a lower and an upper limit of a neutral pressure zone, said neutral pressure zone lying within an operating pressure zone of the MT part of the cooling circuit. Finally, the MT compressors and the LT compressors are operated based on the comparing step. The cooling system may be a cascade system or a booster system. | 2014-09-18 |
20140271260 | WINCHED ROD PUMP APPARATUS AND METHOD - An apparatus and method for pumping fluids with a winched rod pumping apparatus for imparting reciprocating substantially vertical motion to a rod of a sucker-rod pump. A winched rod pumping apparatus, includes a motor driven winch drum and cable mechanical actuator arrangement. The winch drum and cable mechanical actuator arrangement includes a substantially vertically moveable member attached to the rod of the sucker-rod pump. The vertical moveable member is coupled to one end of the cable and the other end of the cable is coupled to the winch drum. The winch drum is configured to rotate in one direction to index the rod in a vertical up direction and to index the rod in a vertical down direction, with the winch drum completing at least one full rotation and the rod completing one cycle. The rod cycle is in relation to a pumping cycle for the down hole pump. | 2014-09-18 |
20140271261 | Automatic Tire Inflator System - A tire inflation system is provided for maintaining a predetermined inflation pressure of a tire mounted on a wheel of a vehicle. The system includes a base having a mounting structure for engaging a complementary mounting structure of the wheel, such as lug nuts. A compressor assembly is mounted to the base and rotates about the axis of rotation of the wheel when the vehicle is moving. The compressor assembly includes a reciprocating member such as for instance a piston or a diaphragm that is connected to a crankshaft aligned with the axis of rotation of the wheel. A counterweight is fixedly mounted on one end of the crankshaft, which under the influence of gravity acting on the counterweight results in torque being transferred to the crankshaft to prevent rotation thereof. Resulting relative motion between the compressor and the crankshaft pumps air into the tire via an air conduit. | 2014-09-18 |
20140271262 | SEAL-LESS PISTON PUMP FOR LIQUEFIED GAS - A fuel supply system for a vehicle uses a seal-less piston LPG injunction pump which pumps fluid from a storage tank to an engine. The pump uses the vehicle's pneumatic air system, wherein the pressurized air of this system alternatingly drives an actuator magnetically coupled to a piston. | 2014-09-18 |
20140271263 | AIR PUMP - An air pump has a main frame, at least one pressure cylinder, a footboard, a torsion spring, a holding device, an outlet device, and an inflating tube. The main frame has a first connecting shaft, a pivot shaft, and a second connecting shaft. The at least one pressure cylinder is mounted in the main frame, and each one of the at least one pressure cylinder has a cylinder and a cylinder axis. The footboard is connected to the pivot shaft. The torsion spring is mounted around the pivot shaft and is pressed against the footboard and the first connecting shaft. The holding device is connected to the main frame and the at least one pressure cylinder, and has multiple first holding elements. The outlet device is mounted in the main frame and is connected to the at least one pressure cylinder. The inflating tube is connected to the outlet tube and is held with the holding device. | 2014-09-18 |
20140271264 | Piston pump drive train anti-backlash - An anti-backlash nut assembly for a positive displacement pump assembly includes a two part nut assembly and a backing plate. A spring is disposed between the backing plate and the nut assembly so that the two nut components are pushed together thus biasing the threads together and educing or eliminating backlash. | 2014-09-18 |
20140271265 | PUMP SYSTEM AND METHOD HAVING A QUICK CHANGE MOTOR DRIVE - A precision pump system having a motor driver for accurately and repeatedly delivering process fluid, (e.g., photo chemicals) using a pumping fluid with minimal process fluid loss to a fabrication process and whereby the motor driver can be easily and quickly replaced without interrupting the fluid flow path. This is accomplished with the use of a process fluid reservoir and a pumping fluid reservoir that are associated with the pump, either integrated with the pump or closely adjacent. In addition, this precision pump system can be remotely monitored, viewed and controlled over the Internet. In addition, trapped process fluid within a downstream filtering block can be recirculated to the process fluid reservoir when trapped gas in the filter is removed. Furthermore, a nitrogen gas source is connected to the process fluid reservoir via a valve in case a need to insert a gas is required. | 2014-09-18 |
20140271266 | FLUID END WITH PROTECTED FLOW PASSAGES AND KIT FOR SAME - This application describes systems for protecting steel fluid end body flow passages from direct impingement by high pressure fracking fluid. This fluid end body flow passages are protected by components in the form of cartridges and sleeves in one embodiment, a sleeve in another embodiment and a sleeve with dual cartridges in a further embodiment. This disclosure also describes kits which utilize these systems to provide enhanced erosion and corrosion resistance as well as improved fatigue properties and extended service life to these fluid ends. | 2014-09-18 |
20140271267 | CONTROLLABLE COOLANT PUMP HAVING A FLUIDIC ACTUATOR - A controllable coolant pump for a cooling circuit of an internal combustion engine having a pump housing with an inner bore, a shaft drivable via a pulley mounted rotatably via a first bearing and a second bearing, wherein the shaft is configured at least partially as a hollow shaft and has a longitudinal axis, wherein a rotor is fastened to one end of the shaft, which rotor has an idler pulley and vanes which project into a suction chamber to suck water via a suction connector of the pump housing into the suction chamber to an annular channel of the pump housing, wherein the idler pulley can be displaced axially via a push rod connected to an actuator. The fluidic actuator has a first pressure chamber and a second pressure chamber. The weight and the installation space requirement of the controllable coolant pump can be reduced. | 2014-09-18 |