23rd week of 2015 patent applcation highlights part 27 |
Patent application number | Title | Published |
20150152792 | Determination of a Value fora Valve Lift of a Valve of an Individual Cylinder of an Internal Combustion Engine with a Plurality of Cylinders - A method and device for determining a value for a valve lift of a valve of an individual cylinder of a multi-cylinder internal combustion engine are provided. The method includes determining a first exhaust-gas lambda value for fuel combustion in the individual cylinder in a first operating state of the engine by a cylinder-individual and time-resolved detection of lambda values without an artificial variation in an air/fuel ratio. The method also includes determining an air mass sucked in by all cylinders of the engine in the first operating state. The method also includes determining the value for the valve lift of the valve of the individual cylinder based on the first exhaust-gas lambda value, the determined air mass, and a correction value, wherein the correction value is based on a relationship between the valve lift and an associated air mass sucked in by all cylinders of the engine. | 2015-06-04 |
20150152793 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - An engine includes variable valve mechanisms and a variable compression ratio mechanism. An ECU executes temperature balance control when a fuel-cut operation is executed. In the temperature balance control, valve opening characteristics of an exhaust valve are controlled based on a magnitude relation between an actual catalyst temperature and a target catalyst temperature and a magnitude relation between a water temperature and a required cylinder wall temperature. When executing a fuel-cut operation, it is thereby possible to control both the actual catalyst temperature and the water temperature in a well-balanced manner so that the actual catalyst temperature falls within a temperature range suitable for operation of the catalysts, and the water temperature becomes close to the required cylinder wall temperature. | 2015-06-04 |
20150152794 | SWITCHOVER VALVE UNIT AND INTERNAL COMBUSTION ENGINE HAVING A SWITCHOVER VALVE UNIT OF SAID TYPE - A switchover valve unit ( | 2015-06-04 |
20150152795 | Dynamic Cylinder Deactivation with Residual Heat Recovery - Cylinder deactivation is a proven solution to improve engine fuel efficiency. The present invention is related to Dynamic Cylinder Deactivation (DCD) control solution to conventional multiple cylinder internal combustion engine. DCD deactivates all the cylinders within the engine alternatively, dynamically and in a way of keeping thermal balance and mechanical balance between cylinders while keeping best engine overall torque balance. DCD has many advantages over traditional sealed-valves cylinder deactivation. Variable engine displacement, thermodynamic efficiency gain and residual heat recovery are the most attractive features of DCD. | 2015-06-04 |
20150152796 | Method For Shutting Off And Activating A Cylinder Of An Internal Combustion Engine - A control device and a method for shutting off and/or activating a cylinder of an internal combustion engine that has a plurality of cylinders is implemented in a substantially torque-neutral manner and substantially without increase in fuel consumption. The technique may be performed without requiring ignition retardation. | 2015-06-04 |
20150152797 | Control Device For A Flow Of Intake Gas And/Or Recirculated Exhaust Gases In A Cylinder Of An Internal Combustion Engine And Corresponding Intake Module - The invention relates to a control device for a flow of intake gas and/or recirculated exhaust gases in a cylinder of an internal combustion engine, and for an intake module comprising at least one pipe which is arranged so as to supply the cylinder. The control device comprises a sealing means, and a means for deactivating at least one pipe which is able to be controlled between a first position in which the pipe supplies the cylinder with the intake gases (F) and a second position in which the pipe supplies the cylinder with the recirculated exhaust gases. The sealing means is configured so as to be displaced as a result of the difference in pressure between the intake and the exhaust on both sides of the sealing means between a locked position of the deactivation means in the first position, and a position of release of the deactivation means. | 2015-06-04 |
20150152798 | ENGINE-MOUNTED CONTROLLER, AND VEHICLE - Provided are: an engine-mounted controller capable of being suitably used in a vehicle that carries out an idle-stop operation while the vehicle is moving; and a vehicle. An engine-mounted controller of a vehicle determines whether or not an engine is in a completely stopped state when an idle-stop operation is canceled. If the controller determines that the engine is in a completely stopped state, a first control operation for suppressing the transmission of engine vibrations associated with engine idling is executed on the assumption that the engine is in a completely stopped state, and if the controller determines that the engine is not in a completely stopped state, the first control operation is prohibited when the engine restarts. | 2015-06-04 |
20150152799 | DEVICE FOR METERING FUEL - A device is described for metering fuel in internal combustion engines is provided, which includes a fuel distributor provided with a flow channel and at least one discharge orifice connected thereto, a valve which is connected to the fuel distributor for metering the fuel and has a pipe connection that is able to be attached to the discharge orifice, and connection means, which connects the fuel distributor and the valve to each other in the attachment region of the pipe connection and the discharge orifice in a pressure-tight manner. | 2015-06-04 |
20150152800 | FUEL PRESSURE REGULATION SYSTEM - A fuel pressure regulation system for a compression ignition diesel engine comprises a fuel supply line connected to an inlet of a transfer pump and a transfer pressure fuel line connected between the transfer pump outlet and the high pressure fuel pump inlet. A fuel filter is positioned in the transfer pressure fuel line and a fuel spill line fluidly connects a fuel pressure regulator to the transfer pressure fuel line at a point between the transfer pump outlet and the fuel filter. A fuel return line is connected between the fuel pressure regulator and the fuel supply line, and a control fuel line is connected between the fuel pressure regulator and the transfer pressure fuel line. | 2015-06-04 |
20150152801 | METHOD FOR INFERRING BAROMETRIC PRESSURE AT LOW THROTTLE ANGLES - Methods and systems are provided for estimating barometric pressure based on a reference barometric pressure and manifold pressures at two different altitudes. In one example, a method may include adjusting an operating condition of the engine based on barometric pressure during engine operation at throttle angles less than a threshold, the barometric pressure based on a current manifold pressure relative to a reference manifold pressure at a current throttle angle and reference barometric pressure. Further, the method may include adjusting a manifold pressure sensor output based on an offset of the manifold pressure sensor. | 2015-06-04 |
20150152802 | METHOD FOR DETERMINING AN OFFSET OF A MANIFOLD PRESSURE SENSOR - Methods and systems are provided for determining an offset of a manifold pressure sensor. In one example, an engine method may include indicating degradation of the manifold pressure sensor based on a sensor offset, the sensor offset based on a manifold pressure measured at a first throttle angle, a barometric pressure at a second throttle angle, a reference manifold pressure at the first throttle angle and reference barometric pressure, and the reference barometric pressure. Further, the method may include adjusting an output of the manifold pressure sensor by the determined sensor offset. | 2015-06-04 |
20150152803 | METHOD WHEN DRIVING A VEHICLE AND A COMPUTER PROGRAM FOR THIS, A SYSTEM FOR IMPLEMENTING THE METHOD AND A VEHICLE COMPRISING THE SYSTEM - A method operable when driving a vehicle, wherein the vehicle has an internal combustion engine with at least one combustion chamber as well as an air supply to said combustion chamber that can be controlled, wherein, when driving said vehicle, an air/fuel ratio in said combustion chamber is controlled such that said air/fuel ratio does not fall below a first limit value (λ | 2015-06-04 |
20150152804 | INTERNAL COMBUSTION ENGINE CONTROL DEVICE - This invention has an object to enable update of learning values of a large number of grid points in one session of a learning operation and also to easily adjust learning speed and efficiency in a wide learning region. | 2015-06-04 |
20150152805 | CONTROLLER INTEGRATED FUEL PUMP MODULE - A controller integrated fuel pump module may include a receiving part formed on an outer surface of a flange assembled in a fuel tank, a PCB assembly configured by mounting elements of a controller to a PCB, wherein the PCB assembly is molded by a molding part while being received in the receiving part, and a convexo-concave portion having a shape in which recesses and bosses, the convexo-concave portion being repeatedly formed on an inner surface of the receiving part, such that a bonding force between the receiving part and the molding part is increased by the convexo-concave portion. | 2015-06-04 |
20150152806 | CYLINDER LINER - A cylinder liner for an internal combustion engine may include an outer circumferential surface defined by the cylinder liner composed of a gray cast iron for integrally casting onto a cast material of an engine block. A bonding component may be included for strengthening a bond of the outer circumferential surface to the cast material of the engine block. The bonding component may include at least one of a wire mesh and a wire grid that does not melt during a casting operation of the engine block. The bonding component may be arranged at least in a predefined region on the outer circumferential surface. The bonding component may be welded at least partially to the outer circumferential surface. | 2015-06-04 |
20150152807 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - A piston for an internal combustion engine, has a lower piston part and an upper piston part disposed on the lower piston part. The upper piston part has a top land that runs around its circumference, and a ring belt that runs around its circumference. At least the upper piston part consists of a sintered material. | 2015-06-04 |
20150152808 | SOLAR AIR CONDITIONING HEAT PUMP WITH MINIMIZED DEAD VOLUME - A method and apparatus that reduces the dead volume in a heat engine or heat pump, such as a duplex Stirling or Vuilleumier cycle device, by nesting the components of the displacer and regenerator such that nearly all working fluid is purged from the interstices of the regenerator elements and all other working fluid spaces that are not involved in doing useful work at each portion of the cycle. Particularly, a more scalable and efficient method and apparatus for providing solar air conditioning or refrigeration by means of a heated cylinder that alternately pressurizes and depressurizes a separate cooling cylinder by directly transferring thermally induced pressure changes to that cooling cylinder at optimized times in the cycle, under the control of a numerically controlled actuation system that can cycle at a much lower rate than mechanically coupled or harmonically phased systems. | 2015-06-04 |
20150152809 | Annular Venturi Burner for Stirling Engine - An annular venturi burner assembly and Stirling engine. The annular venturi burner injects fuel into combustion air flowing axial through an port with an annular cross section. The fuel enters the annular cross-section from the outside diameter. The flow of air through the annular section creates suction that draws the fuel through the ports. An venturi bushing directs the flow of fuel to provides improved and more uniform mixing of fuel and air. | 2015-06-04 |
20150152810 | SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR ENERGY ALLOCATION - According to one aspect of the present disclosure, a method, system and technique for energy allocation is disclosed. The system includes: a filtration system configured to filter waste vegetable oil generated by a facility; an engine fueled with the filtered vegetable oil; and a generator driven by the engine to provide an alternating current (AC) power supply; and wherein exhaust heat generated by the engine is processed and allocated to the facility as an energy source. | 2015-06-04 |
20150152811 | FLAP DRIVING DEVICE IN PARTICULAR FOR AN ADAPTIVE NOZZLE - A device is provided to drive flaps for an adaptive nozzle of a nacelle, and the adaptive nozzle includes at least one flap moveable in rotation and adapted to pivot toward a position causing a variation of a nozzle section. In particular, the device includes a control ring and a connecting rod driving the flaps. The control ring rotates along a circumference of the nacelle during a driving rod drives the control ring, and the connecting rod is connected to the control ring and one of the flaps so that the driving rod causes a displacement in translation of the connecting rod. The driving rod is connected to an assembly forming a lever, and the assembly is secured to the control ring. | 2015-06-04 |
20150152812 | VAPOR JETTING DEVICE AND SPACECRAFT - Provided is a vapor jetting device including: a box-shaped casing; a propellant holding unit that is placed in the casing and forms a space for holding a propellant; a gas storing unit that is placed in the casing, forms a space that is divided from the propellant holding unit by a partition wall including a communication hole, and stores gas; a machine housing unit that is placed in the casing, forms a space that is divided from the propellant holding unit and the gas storing unit by partition walls, and houses machines; a nozzle that is connected to the casing and ejects the gas to an outside; a gas flow path that is formed in the casing and supplies the gas stored in the gas storing unit to the nozzle; and a heater that is placed in the casing and heats at least the gas storing unit. | 2015-06-04 |
20150152813 | FUEL BOWL AND METHOD OF FEEDING FUEL - A fuel bowl for a carburetor has no valves and is configured for continuous flow of fuel through the bowl. The fuel bowl can be constructed to constrain the constantly flowing fuel within a compartment of the bowl to maintain fuel level in the bowl sufficient to meet the carburetor demand under circumstances of high fuel demand and/or high g-forces. A method of continuously circulating fuel through the fuel bowl facilitates fuel level maintenance over a range of performance requirements. | 2015-06-04 |
20150152814 | RELIEF VALVE FOR ENGINE WITH TURBOCHARGER - When a cover | 2015-06-04 |
20150152815 | EGR SYSTEM USING DEDICATED EGR CYLINDERS - A ninety-degree V-engine having eight or more cylinders can include a first pipe that connects an exhaust port of a first dedicated EGR cylinder bank to an intake manifold and a second pipe that connects an exhaust port of a second dedicated EGR cylinder of a different cylinder bank to the intake manifold, the first and second dedicated EGR cylinders each being one of two consecutive cylinders in a corresponding cylinder bank specified by a specific cylinder firing order. | 2015-06-04 |
20150152816 | VEHICLE FUEL VAPOR RECOVERY SYSTEM - A vehicle fuel vapor recovery system includes a compartment wall structure, a fuel filler tube and an air vent chamber structure. The compartment wall structure has a tube receiving opening and a vent opening. The fuel filler tube has a fuel receiving end located within the fuel filler compartment and a fuel tank attachment end located outside of the fuel filler compartment. The air vent chamber structure has a first wall located outside of the fuel filler compartment and a second wall extending from the first wall to an outer surface of the fuel filler tube. The first wall, the second wall, the fuel filler compartment wall structure, and the fuel filler tube cooperate to define an air vent chamber. | 2015-06-04 |
20150152817 | ADAPTIVE INDIVIDUAL-CYLINDER THERMAL STATE CONTROL USING INTAKE AIR HEATING FOR A GDCI ENGINE - A system for a multi-cylinder compression ignition engine includes a plurality of heaters, at least one heater per cylinder, with each heater configured to heat air introduced into a cylinder. Independent control of the heaters is provided on a cylinder-by-cylinder basis. A combustion parameter is determined for combustion in each cylinder of the engine, and control of the heater for that cylinder is based on the value of the combustion parameter for combustion in that cylinder. A method for influencing combustion in a multi-cylinder compression ignition engine, including determining a combustion parameter for combustion taking place in a cylinder of the engine and controlling a heater configured to heat air introduced into that cylinder, is also provided. | 2015-06-04 |
20150152818 | FRESH AIR SYSTEM COMPONENT - A fresh air system component of a fresh air system serving to supply fresh air to an internal combustion engine may include a housing that may have a first shell and a second shell. The housing may delimit at least one fresh air path that may run from at least one fresh air inlet of the housing to at least one fresh air outlet of the housing. The second shell may be secured along a second shell edge to a first shell edge of the first shell. The second shell edge may be more flexible than the first shell. The second shell may have at least one second support element that may be at a distance from the second shell edge. The second support element may interact with a first support element that is complementary thereto in order to transmit at least one of a tensile force and a compressive force. | 2015-06-04 |
20150152819 | SELF-ADJUSTING RESONATOR - A self-adjusting resonator for an engine includes a housing and a working chamber. The working chamber is defined by the housing for attenuating sound produced by the engine. The working chamber is automatically variable from a first volume to a second volume in response to a negative pressure generated by air flow requirements of the engine. The first volume is greater than the second volume. The resonator is operable to tune out multiple tuning frequencies produced by the engine at various engine RPM ranges. | 2015-06-04 |
20150152820 | ELECTRO-MAGNETIC VALVE DRIVER - An electromagnetic valve driver, in normal operation, supplies peak current from a capacitor to a coil of an injector by turning ON a transistor on a downstream side of the coil and a discharge transistor that discharges electricity from the capacitor to the coil. Thereafter, the driver supplies constant current to the coil by an ON-OFF control of a transistor disposed between a battery and an upstream side of the coil until an end of the electricity supply period. When an open failure of the discharge transistor is detected, the driver controls the current to prevent a voltage rise of the capacitor to reduce flyback energy collected from a downstream side of the coil by the capacitor based on a transistor OFF timing delay scheme, in which an OFF timing of a transistor is delayed by a preset delay time from a normal OFF timing thereof. | 2015-06-04 |
20150152821 | Electronically controlled fuel injector with fuel flow rate substantially independent of fuel inlet pressure - A fuel injector body has a fuel chamber and a valve seat around a fuel outlet. A valve body is positioned at the valve seat and a valve stem extends through the fuel outlet and fuel chamber. Engagement (disengagement) of valve body and valve seat closes (opens) the injector. The fuel chamber can comprise primary and secondary chambers connected by a valve passage and a metering member that restricts fuel flow between the chambers, thereby providing a flow-dependent closing force that reduces the dependence of fuel flow through the injector on fuel inlet pressure and that makes that flow dependent on an injector actuating force. The injector body or the valve body can comprise a spray-shaping surface arranged at least partly around the valve seat, which spray-shaping surface is arranged to direct a spray of fuel flowing through the fuel outlet. | 2015-06-04 |
20150152822 | Fuel injector - A fuel injector for injecting fuel into an internal combustion engine includes: a housing having at least one spray orifice; a magnet armature movable linearly in the housing; a magnetic coil acting magnetically on the magnet armature; and a valve element movable linearly with respect to the housing and with respect to the magnet armature, the valve element, together with the at least one spray orifice, forming a valve seat, a first stop on the valve element, and a tension spring pulling the magnet armature against the first stop. | 2015-06-04 |
20150152823 | FUEL INJECTION DEVICE - In a fuel injection device having a sensor for detecting a state in the combustion chamber in a free end thereof, the sensor signal transmitting member for transmitting the sensor signal is protected from vibrations and moisture. The fuel injection device comprises: a valve body ( | 2015-06-04 |
20150152824 | FUEL INJECTION DEVICE - In a fuel injection device having a sensor for detecting a state in the combustion chamber in a free end thereof, the noises that may be generated in the sensor signal transmitting member for transmitting the sensor signal are minimized. The fuel injection device comprises: a valve body ( | 2015-06-04 |
20150152825 | INJECTOR-IGNITER WITH THERMOCHEMICAL REGENERATION - A fuel injection system comprising an injector-igniter and a fuel tank in fluid communication with the injector-igniter. The injector igniter includes an injector housing and a valve assembly. The valve assembly includes a valve and a valve seat electrode located within the injector housing. The valve seat electrode forms an annular spark gap between the electrode and an electrode portion of the injector housing. An actuator, such as a piezoelectric actuator, is disposed in the housing and connected to the valve. In some embodiments, the system further comprises a thermochemical reactor operatively coupled to the injector-igniter to provide a supplemental supply of hydrogen for combustion enhancement. In other embodiments, a hydraulic stroke amplifier is disposed between the actuator and valve. | 2015-06-04 |
20150152826 | TAPPET | 2015-06-04 |
20150152827 | Pressure Control Valve - A pressure control valve for a high-pressure accumulator of an injection device of an internal combustion engine, includes a magnetic actuator. The magnetic actuator has a magnetic core with contacting pins and a magnetic armature with an armature plate. The contacting pins pass through feedthroughs formed in the armature plate. The armature plate is hydraulically connected by a pressure equalization channel to a valve chamber connected to low pressure. The pressure equalization channel has an opening on the magnetic core end face which opens into the armature space. At least one of the feedthroughs forms a passage for the fuel through the armature plate for the pressure equalization. A residual air gap disk is arranged between the magnetic core and the armature plate. The residual air gap disk forms an additional feedthrough with a radial extension that extends in the direction of the opening. | 2015-06-04 |
20150152828 | FUEL INJECTOR - In a fuel injector, a first surface | 2015-06-04 |
20150152829 | LOW-PRESSURE CIRCUIT FOR A FUEL INJECTION SYSTEM, FUEL INJECTION SYSTEM AND METHOD FOR OPERATING A FUEL INJECTION SYSTEM - The invention relates to a low-pressure circuit for a fuel injection system, in particular for a common-rail injection system, comprising a fuel tank ( | 2015-06-04 |
20150152830 | Determining the Movement Behavior Over Time of a Fuel Injector on the Basis of an Evaluation of the Chronological Progression of Various Electrical Measurement Variables - A method for determining the movement behavior of a fuel injector having a coil drive includes: (a) applying an electrical excitation to a coil of the coil drive, which prompts an opening movement of a valve needle; (b) recording the temporal progression of a first electrical measurement variable of the coil; (c) determining the time when the opening movement ends based on the recorded temporal progression of the first electrical measurement variable; (d) modifying the electrical excitation of the coil such that the valve needle performs a closing movement; (e) recording the temporal progression of a second electrical measurement variable of the coil; and (f) determining the time when the closing movement ends based on the recorded temporal progression of the second electrical measurement variable. One of the two measurement variables is the voltage present at the coil and the other is the intensity of current flowing through the coil. | 2015-06-04 |
20150152831 | FUEL RAIL ASSEMBLY WITH BRACKET AND ISOLATOR FOR MOUNTING - A fuel rail assembly for supplying pressurized fuel to at least one fuel injector of an engine includes a hollow fuel rail extending along a fuel rail axis. The fuel rail includes an inlet for introducing the pressurized fuel into the fuel rail and at least one outlet for dispensing the pressurized fuel from the fuel rail. The fuel rail assembly also includes a bracket for attaching the fuel rail assembly to the engine. The bracket includes a fuel rail portion defining a first passage extending therethrough in the same direction as the fuel rail axis for receiving the fuel rail therewithin. The bracket also includes a mounting portion adjacent to the fuel rail portion and defining a second passage extending therethrough in the same direction as the fuel rail axis. The mounting portion is configured to receive a fastener for securing the fuel rail assembly to the engine. | 2015-06-04 |
20150152832 | DUAL COIL IGNITION SYSTEM - A method of responding to a detected blowout in a coil ignition system is provided in this disclosure. The method includes receiving a characteristic regarding operation of a coil ignition system; determining a blowout condition exists for the coil ignition system based on the characteristic; and providing a command to the coil ignition system based on the determination that the blowout condition exists, wherein the command is structured to reduce a residual charge amount in the coil ignition system. | 2015-06-04 |
20150152833 | RF POWER AMPLIFICATION AND DISTRIBUTION SYSTEMS, PLASMA IGNITION SYSTEMS, AND METHODS OF OPERATION THEREFOR - An embodiment of a plasma ignition system for an internal combustion engine having up to N cylinders includes a power splitter, N phase shifters, N amplifiers, a power combiner network, and up to N radiation devices. The power splitter divides an input RF signal into N divided RF signals. Each phase shifter applies one of multiple pre-determined phase shifts to one of the N divided RF signals to produce N phase shifted RF signals. The N amplifiers amplify the N phase shifted RF signals to produce N amplified, phase shifted RF signals. The power combiner network combines the N amplified, phase shifted RF signals to produce N output RF signals. Each of the radiation devices receives one of the N output RF signals, and produces a plasma discharge when a power level of the output RF signal is sufficiently high. | 2015-06-04 |
20150152834 | CONNECTION SYSTEMS - A connection system for connecting a first connection point with a second connection point, the second connection point being arranged for rotation and translation with respect to the first connection point, the connection system includes a first connection point, a first support surface moveable linearly with respect to the first connection point, a second support surface moveable linearly and rotationally with respect to the first connection point, and a second connection point moveable linearly and rotationally with respect to the first connection point, moveable rotationally with respect to the first support surface, and fixed with respect to the second support surface, and a reverse bend radius cable chain located on the first and second support surfaces, and having a first end connected with the first connection point via a first connector cable, and a second end connected with the second connection point via a second connector cable. | 2015-06-04 |
20150152835 | WAVE POWER GENERATION SYSTEM AND METHOD - A power generator comprises a casing ( | 2015-06-04 |
20150152836 | WAVE ENERGY CONVERTER - A wave energy converter, configured to float in water, comprising: a first body assembly, comprising a first body ( | 2015-06-04 |
20150152837 | ROOT AIRFOIL OF WIND TURBINE BLADE - A root airfoil of a wind turbine blade has a suction surface and a pressure surface formed at the upper portion and at the lower portion of a chord line which connects the leading edge and the trailing edge. The operating Reynolds number is 30,000 to 1,000,000, and the angle of attack of the airfoil is 0 to 21 degrees. The maximum lift coefficient is 0.8 to 1.1, and the minimum drag coefficient is 0.02 to 0.07. | 2015-06-04 |
20150152838 | SPAR CAPS-SHEAR WEB ASSEMBLY CONFIGURATION FOR WIND TURBINE BLADES, AND METHODS THEREOF - A wind turbine blade is presented. The blade includes an upper shell member having a spar cap disposed on an internal surface of the upper shell, and a lower shell member having a spar cap disposed on an internal surface of the lower shell. The spar cap of the upper shell member, the spar cap of the lower shell member or both the spar caps include at least one cavity structure along a longitudinal length of the blade. A shear web extends between the spar caps along the longitudinal length of the blade, with a transverse end of the shear web positioned in a cavity of the at least one cavity structure, wherein a ratio of a width of the shear web to a bond thickness of the shear web with a side wall of the cavity structure is between about 1:1 and about 15:1. | 2015-06-04 |
20150152839 | Spar Assembly for a Wind Turbine Rotor Blade - A spar assembly for a rotor blade of a wind turbine is disclosed. The spar assembly includes a first spar cap segment and a second spar cap segment. The first spar cap segment is configured on an interior surface of a first blade segment and the second spar cap segment is configured on an interior surface of a second blade segment. Each spar cap segment includes an end having a joint section that is joinable at a chord-wise joint. Each of the first and second joint sections includes a plurality of holes formed therein. Further, the spar assembly includes a plurality of pins inserted into the plurality of holes of the first and second joint sections to join the first and second blade segments so as to improve stiffness of the rotor blade. | 2015-06-04 |
20150152840 | Dual-Turbine Wind Power Station Placed on a Vertical Axis - The invention pertains to a dual-turbine wind power station arranged on a vertical axis, having a machine housing ( | 2015-06-04 |
20150152841 | MODULAR MULTI-AXIAL ROTOR - A modular, electricity generating apparatus comprises an elongate, central member comprising a first end and a second end; at least one foil disposed about the central member in fluid interacting relation thereto; the first end and the second end dimensioned and configured to be connected to a connecting node; and, the elongate central member at least partially comprised of an electrically conductive material and configured to conduct electrical electricity from at least one of the connecting nodes to the other of the connecting nodes. | 2015-06-04 |
20150152842 | WIND ENERGY SYSTEM WITH A PITCH ADJUSTMENT SYSTEM - The invention relates to a wind energy system with at least one pitch adjustment system for adjusting the pitch of at least one rotor blade of the wind energy system, wherein the pitch adjustment system comprises at least one electrohydraulic drive that comprises an unregulated electromotor rotating in one direction of rotation for generating pressure. | 2015-06-04 |
20150152843 | METHOD FOR THE OPERATION OF A PITCH SYSTEM OF A WIND TURBINE - A method for the operation of a pitch system of a wind turbine with at least one rotor blade, wherein the pitch system has at least one input rectifier and at least one pitch drive, each rotor blade can be rotated around its longitudinal axis by the one pitch drive or by at least one of several pitch drives, each input rectifier is supplied with alternating voltage by a supply network, and each pitch drive is supplied with electric power by the one input rectifier or by at least one of several input rectifiers, each pitch drive is connected to an emergency power storage device, whereby each pitch drive can be supplied with electric power by the emergency power storage device that is connected to it. | 2015-06-04 |
20150152844 | FOLDING BLADE WIND TURBINE - A wind turbine is provided. The turbine includes a support having an axis of rotation, a generator, a plurality of blades rotatably mounted on the support about the axis of rotation, the blades being moveable between a retracted position generally parallel with the axis of rotation and a fully deployed position generally perpendicular with the axis of rotation, the blades being connected to the generator such that rotation of the blades in a direction induced by wind causes the generator to produce electricity, and the provision of electricity to the generator rotates the blades, and a controller connected to the generator and configured to deliver a flow of current to the generator that is sufficient to move the blades from the retracted position toward the fully deployed position and insufficient to move the blades all the way to the fully deployed position. The flow of current induces rotation of the blades in the direction induced by wind, which creates a centrifugal force that moves the blades from the retracted position toward the fully deployed position. As the blades move from the retracted position, the blades have increasing exposure to ambient wind to receive additional rotational force from ambient wind, and the additional rotational force being sufficient to, either alone or in combination with the flow of current, move the blades into the fully deployed position. | 2015-06-04 |
20150152845 | METHOD OF CONTROLLING GENERATION OUTPUT QUANTITY OF A WIND POWER PLANT - A method of controlling a wind power plant having a plurality of wind power generators includes monitoring the generation state of the wind power plant, analyzing the generation quantity reduction factor of a wind power generator if that generator has a reduced generation output quantity, and individually controlling the generation output quantity of that wind power generator based on the analyzed generation quantity reduction factor so that the generation output quantity is increased. | 2015-06-04 |
20150152846 | METHODS OF OPERATING A WIND TURBINE, WIND TURBINES AND WIND PARKS - Methods of operating a variable speed wind turbine as a function of a wind speed, the wind turbine having a rotor with a plurality of blades, a generator having a rated output power, and one or more pitch mechanisms for rotating the blades around their longitudinal axis, and a system for varying a torque of the generator. The methods comprise a sub-nominal zone of operation for wind speeds below a nominal wind speed and a supra-nominal zone of operation for wind speeds at or above the nominal wind speed, wherein at wind speeds at or near the nominal wind speed, the generator is allowed to generate more than its rated output power for a limited period of time. Also disclosed are wind turbines and wind farms adapted to perform these methods. | 2015-06-04 |
20150152847 | METHODS OF OPERATING A WIND TURBINE, AND WIND TURBINES - Method of operating a variable speed wind turbine as a function of wind speed are disclosed, the wind turbine having a rotor with a plurality of blades, a generator, pitch mechanisms for rotating the blades around their longitudinal axes, and a system for varying a torque of the generator. The method comprises at a first moment in time estimating representative future wind speed values from the first moment in time up to a second moment in time, the second moment in time being equal to the first moment in time plus a predetermined finite period of time, and using a control strategy to optimize a cost function indicative of an energy output of the wind turbine based on the estimated representative future wind speed values by controlling the torque of the generator and the pitch angles of the blades. Wind turbines suitable for such methods are also disclosed. | 2015-06-04 |
20150152848 | Omnidirectional Hybrid Turbine Generator - An Omnidirectional Hybrid Turbine Generator is provided. The system includes three main components: An omnidirectional turbine blade assembly that can be powered by air currents, air turbulence, ocean currents, waves, tidal currents or river currents; a tower which contains one or more generators and a base that contains another generator along with all the necessary electronics and subsystems. | 2015-06-04 |
20150152849 | WIND-ENERGY CONVERSION SYSTEMS WITH AIR CLEANERS - A wind-energy conversion system includes a wind-delivery system configured to accelerate wind, an energy extractor configured to output energy in response to receiving the accelerated wind from the wind-delivery system, and an air cleaner configured to clean the wind, e.g., so that cleaned wind exits the wind-energy conversion system. | 2015-06-04 |
20150152850 | ARRANGEMENT OF A SWITCHGEAR IN A TOWER OF A WIND TURBINE - A wind turbine comprising a novel switchgear arrangement is described. The wind turbine includes a tower, a rotor supported at an upper end of the tower, a generator, a transformer for increasing the voltage output of the generator prior to supplying a collector grid, and switchgear arranged between the transformer and the collector grid. The switchgear includes a first switching device associated with the transformer, and a second switching device associated with one or more cables connecting the wind turbine to another wind turbine in the collector grid. The first switching device is connected to, but located remotely from, the second switching device. | 2015-06-04 |
20150152851 | STRUCTURAL SHAPE FOR WIND TOWER MEMBERS - One of the major structural components in a space frame tower is the tower leg. A novel and nonobvious tower leg structure is provided which provides significant advantages and benefits over previously available structures. | 2015-06-04 |
20150152852 | COILED AND NON-COILED TWISTED NANOFIBER YARN TORSIONAL AND TENSILE ACTUATORS - Actuators (artificial muscles) comprising twist-spun nanofiber yarn or twist-inserted polymer fibers generate torsional and/or tensile actuation when powered electrically, photonically, chemically, thermally, by absorption, or by other means. These artificial muscles utilize non-coiled or coiled yarns and can be either neat or comprising a guest. Devices comprising these artificial muscles are also described. | 2015-06-04 |
20150152853 | WINDING ACTUATOR MADE OF SHAPE MEMORY MATERIAL - An actuator includes a body ( | 2015-06-04 |
20150152854 | Variable Displacement Compressor - Variable displacement compressor comprising a housing; piston; and drive shaft rotatably supported by the housing; a rotor rotating in unison with the drive shaft; a swash plate that rotates in synchronism with the rotation of the connected rotor. Rotation of the swash plate is converted into a reciprocating motion of the piston; and a pressure control valve that is capable of controlling the internal pressure of a crank chamber. The swash plate is connected to the rotor in an inclined fashion such that, as viewed from a site on the swash plate corresponding to the top dead center position of the piston, a compression process region toward the positive direction of the rotation of the swash plate is farther away from the bearing surface of a thrust bearing, which is formed on the rotor, than a suction process region toward the negative direction of the rotation of the swash plate. | 2015-06-04 |
20150152855 | SENSOR SYSTEM FOR A POSITIVE DISPLACEMENT PUMP - A positive displacement pump is provided that includes a pump housing having a pump chamber; a plunger mounted in the pump housing for reciprocating motion in the pump chamber; a suction valve positioned to allow a fluid to enter the pump chamber upon movement of the plunger in a first direction; a discharge valve positioned to discharge the fluid from the pump chamber upon movement of the plunger in a second direction; and at least one sensor enclosed by the pump housing for measuring at least one pump condition parameter. | 2015-06-04 |
20150152856 | Cryopump and method of monitoring cryopump - A controller performs, while controlling a first stage cryopanel to have a target temperature: a first determination in which it is determined whether a second stage cryopanel has been heated to a temperature higher than or equal to an alert temperature set to be lower than a maximum temperature of the second stage cryopanel set in the vacuum apparatus; and a second determination in which it is determined whether the second stage cryopanel is continuously being heated, for a preset period of time or longer, to a temperature within a temperature range set on condition that the alert temperature is a maximum. The controller may perform, while controlling the first stage cryopanel to have a target temperature, a third determination in which it is determined whether a state where an error between the temperature of the second stage cryopump during a pumping operation and the minimum attained temperature thereof measured in the initial stage of an operation of the cryopump occurs, has been continued for a continued period of time or longer, the continued period of time being set to be longer than the preset period of time. | 2015-06-04 |
20150152857 | Compressor Housing Having Sound Control Chambers - A compressor assembly having a housing with a number of sound control chambers. A method of controlling a sound level of a compressor assembly having a step of providing a plurality of sound control chambers. A method of controlling a sound level of a compressor assembly having a step of eliminating an operator's line-of-sight view to noise producing components of the compressor assembly. Sound level of a compressor can be controlled by separating the internal volume of a housing which encases at least a portion of a pump assembly to create sound control chambers and/or eliminating an operator's line-of-sight view to noise producing components of the compressor assembly. | 2015-06-04 |
20150152858 | HEAT DISSIPATION MODULE - A heat dissipation module includes an electro-magnetic member, an elastic member and a magnetic member. The electro-magnetic member is configured for generating a periodic magnetic field. The elastic member includes a fixed end, a free end and multiple blades for expanding or closing; and the blades are located between the fixed end and the free end. The magnetic member is disposed on the free end and configured for reciprocating due to being magnetically induced by the periodic magnetic field so as to drive the plurality of blades to produce an air current. | 2015-06-04 |
20150152859 | Heat Dissipation Device - A heat dissipation device includes an air current producing unit and an electromagnet unit separately disposed on a substrate. The air current producing unit includes a resilient fan body mounted to the substrate and having an unrestrained end, and a magnetic component disposed on the fan body. The electromagnet unit is configured to generate a varying magnetic field that acts on the magnetic component so as to cause the fan body to sway, thereby producing air current. | 2015-06-04 |
20150152860 | PUMP CONDITION MONITORING AND RECOVERY - A fluid pumping system includes a fluid pump, an actuator coupled to said fluid pump, and a controller operatively coupled to the actuator. The controller is configured to detect an irregular condition of at least one of the fluid pump, the actuator or the controller, and upon detecting the irregular condition, modify at least one operating parameter of the actuator to prevent the irregular condition from transitioning to a fault condition. | 2015-06-04 |
20150152861 | FAULT DETECTION AND MITIGATION IN HYBRID DRIVE SYSTEM - Fault detection and response systems and processes can be used for pumps, e.g., pump/motors used in hybrid vehicles. The fault detection systems determine when certain operating conditions, which may affect the proper operation of the system, occur. The response systems take appropriate action based on which fault conditions are triggered. Example fault detection systems and processes include detection systems for different types of leaks, sensor malfunctions, or operation errors. | 2015-06-04 |
20150152862 | HIGH PRESSURE PUMP WITH PRESSURIZING CHAMBER - A cylinder is configured into a bottomed tubular form and includes an inner peripheral wall, an inner bottom wall, an outer peripheral wall and an intake hole and a discharge hole. The inner peripheral wall slidably guides the plunger. The intake hole and the discharge hole communicate between the inner peripheral wall and the outer peripheral wall. A pump housing includes a cylinder receiving hole that includes an inner peripheral wall, into which the cylinder is inserted. A pressurizing chamber is formed by the inner peripheral wall and the inner bottom wall of the cylinder and a distal end outer wall of the plunger. | 2015-06-04 |
20150152863 | Scroll Type Fluid Machine - A scroll type fluid machine for improving compression efficiency while preventing contact between wrap sections of opposed scrolls, includes a first scroll member provided with a wrap section of a spiral shape on an end plate, a second scroll member disposed at a position opposed to the first scroll member and provided with a wrap section of a spiral shape on an end plate, cooling fins arranged on a back side surface of the end plate of at least one of the first scroll member and the second scroll member, and projected sections arranged on the wrap section of at least one of the first scroll member and the second scroll member, in which a difference of thicknesses in the radial direction of the wrap section at a distal end and a base end of the projected sections is changed depending on a position in a peripheral direction. | 2015-06-04 |
20150152864 | SCROLL COMPRESSOR - A scroll compressor includes a hermetic container in which a refrigeration machine oil is stored in a bottom area, a compression mechanism that compresses a refrigerant which is suctioned into the hermetic container, an electric motor which has a motor rotor and a motor stator and is configured to drive the compression mechanism which is connected thereto via a shaft, a sub-frame that is fixed to the hermetic container and supports the shaft in a rotatable manner from a lower side of the electric motor, a balance weight that is disposed on a lower end face of the motor rotor, and a fixed cup that is disposed on an upper end of the sub-frame and surrounds the balance weight. | 2015-06-04 |
20150152865 | COMPACT STRUCTURE OF GEAR PUMP DESIGNED TO MINIMIZE LOSS OF PUMPING TORQUE - A gear pump apparatus is equipped with a pump and a sealing mechanism which is made up of an outer member, an inner member, and a rubber member fit between the outer and inner members. The inner member has a pressure-exerted surface to which pressure, as produced by contact of the rubber member with the inner member arising from application of discharge pressure of the pump, is applied. The pressure-exerted surface has a flange which creates thrust to move the inner member away from the gear pump, thereby bringing the inner member against an inner wall of a pump casing to develop a hermetical seal between a high-pressure region and a low-pressure region within the pump casing. This eliminates the leakage of pressure and ensures torque required for a pumping operation of the pump. | 2015-06-04 |
20150152866 | Scroll Vacuum Pump Having External Axial Adjustment Mechanism - A vacuum type of scroll pump includes a frame, a stationary plate scroll, an orbiting plate scroll, a non-energized type of tip seal or seals, an eccentric drive mechanism assembled to and supported by the frame and to which the orbiting plate scroll is assembled so as to be drivable by the eccentric drive mechanism in an orbit about a longitudinal axis of the pump, and a mechanism for adjusting the seal(s) created by the tip seal(s) without having to disassemble any of the frame, plate scrolls or parts of the eccentric drive mechanism from one another, i.e., while a pump head assembly of the pump remains intact. | 2015-06-04 |
20150152867 | Rotor Assembly for Rotary Compressor - A compressor having a rotor assembly within which a rotor is rotated on an eccentric shaft in a sealed chamber. Two or more intake ports are provided that open into the sealed chamber and two or more exhaust ports are provided with one way valves, to permit compressed gas to exit the sealed chamber. The geometry of the rotor and sealed chamber and eccentric drive are such that apices of the rotor remain in contact with a peripheral wall of the sealed chamber as the rotor rotates and apex seals are provided on the apices of the rotor to prevent leakage of the gas around the apices of the rotor. In a preferred embodiment the rotor is a multi-lobed rotor orbiting within a trochoidal chamber. | 2015-06-04 |
20150152868 | COMPRESSOR HAVING SOUND ISOLATION FEATURE - Scroll compressor designs are provided to minimize vibration, sound, and noise transmission. The scroll compressor has a bearing housing, and orbiting and non-orbiting scroll members. The non-orbiting scroll member has a radially extending flanged portion with at least one aperture substantially aligned with the axially extending bore. At least one fastener is disposed within the aperture and the bore. A sound isolation member contacts at least one of the non-orbiting scroll member, the fastener, or the bearing housing, to reduce or eliminate noise transmission. The sound isolation member may be formed of a polymeric composite having an acoustic impedance value greater than the surrounding materials. The sound isolation member may be an annular washer, an O-ring, or a biasing member, by way of non-limiting example. In other variations, fluid passages are provided within the fastener and/or bearing housing to facilitate entry of lubricant oil to further dampen sound and noise. | 2015-06-04 |
20150152869 | GRINDER PUMP - A grinder pump has a housing having a bottom wall formed with an intake port, a drive shaft rotatable in the housing about an axis and projecting axially through the bottom wall, and a pump in the housing having a rotor connected to the shaft and operable to draw liquids and comminuted solids in through the port. A cutter head outside the housing at the bottom wall carries a blade juxtaposed with the bottom wall. The cutter head is fixed on and rotatable with the shaft for comminuting solids drawn into the intake port. An annular shield wall projects axially from the bottom wall around the cutter head and is formed with at least one axially projecting bump forming a valley constituting an intake opening through which liquid and solids can be drawn to the intake port by the pump. | 2015-06-04 |
20150152870 | ELECTRIC COMPRSSOR AND METHOD FOR ASSEMBLING ELECTRIC COMPRESSOR - An electric compressor and a method for assembling the same include: an electric motor unit including a stator fixed to a housing by a press-fitting to an inner peripheral wall of the housing and a rotor rotatably arranged inside the stator; a compression unit configured to be driven by a rotational drive force of the electric motor unit and compress a coolant; and a guide member attached to an outer periphery of the stator and having a guiding curved surface portion configured to guide the press-fitting of the stator to the inner peripheral wall of the housing. | 2015-06-04 |
20150152871 | Method and Pump Arrangement for Evacuating a Chamber - A method for evacuating a chamber employs a pump arrangement composed of a booster pump and of a downstream forepump is connected to the chamber. The booster pump is accelerated, gas from the chamber is introduced into the booster pump, such that from the booster pump there is temporarily extracted an excess power which exceeds the power provided by the drive of the booster pump. The gas is discharged through a bypass valve while the outlet pressure of the booster pump lies above a predefined threshold value, and the gas is directed to the forepump when the outlet pressure of the booster pump has fallen below the threshold value. The gas supplied by the booster pump is compressed by means of the forepump. | 2015-06-04 |
20150152872 | Gas Blower - A gas blower including a housing, a motor and a resilient sealing member is provided for safety improvement. The housing has a receiving space and receives a fan wheel inside the receiving space, wherein the housing has an inlet and an outlet in communication with the receiving space. The motor has a base and a shaft, wherein the base couples with the housing, and the shaft rotatably couples with the base and firmly connects with the fan wheel. The resilient sealing member is arranged between the housing and the base and is in a ring shape, wherein the resilient has a central through hole for the shaft to extend through, a radial extending member extending in radial directions of the shaft, a first surface and a second surface opposite to the first surface, with the first and second surfaces abutting against the housing and the base respectively. | 2015-06-04 |
20150152873 | FAN STRUCTURE - A fan structure includes a base, a circuit board, a coil assembly, a fan blade and a bearing assembly. The circuit board is arranged on the base and includes an electronic component disposed thereon. The coil assembly is arranged on the base and electrically connected to the circuit board; the electronic component is arranged at an area outside of another area directly underneath the coil assembly. The internal of the fan blade includes a magnet; a bearing assembly is provided for the fan blade pivotally attached to the base therewith; the magnet is disposed at an external of the coil assembly. Therefore, the electronic component would not occupy the space in the axial direction of the motor in order to reduce the height of the fan blade without affecting air intake; the electronic component is visible from the outer appearance such that the repair of the circuit is facilitated. | 2015-06-04 |
20150152874 | VALVE COVER GEOMETRY - A closure device for monitoring leakage of a process fluid through a bore of a compressor casing is provided. The closure device may include a body configured to be detachably coupled with the compressor casing about the bore of the compressor. The body may define a fluid passage and a plurality of grooves. The plurality of grooves may be defined about an outer circumferential surface of the body and may be axially spaced from one another. The closure device may also include a plurality of seals at least partially disposed in respective grooves of the plurality of grooves. The plurality of seals may be configured to engage an inner surface of the compressor casing such that adjacent seals of the plurality of seals at least partially define an annular gap therebetween fluidly coupled with the fluid passage and configured to contain the leakage of the process fluid. | 2015-06-04 |
20150152875 | AIR BLOWER - An air blower is provided with a drive motor and an air blowing fan which has a hub mounted to the drive motor and blades which are provided to the hub. The air blower is characterized in that serrations comprising triangle-shaped protrusions are provided to the front edge of each of the blades so as to be arranged along the front edge and in that the pitch, the height, or the direction of the serrations is changed according to the flow of air at a radial position on the air blowing fan. | 2015-06-04 |
20150152876 | Anti-Air-Return System and Method of Fan - An anti-air-return fan system includes a motor, a driving control circuit, and a rotation judgment circuit. The driving control circuit is electrically connected to the motor. The driving control circuit has a driving signal for driving the motor to rotate according to the driving signal. The rotation judgment circuit outputs a judgment signal to the driving control circuit when detecting that the motor reversely rotate. The driving control circuit executes a braking according to the judgment signal. The driving control circuit drives the motor to operate when the rotation judgment circuit detects that the motor doesn't rotate reversely. | 2015-06-04 |
20150152877 | APPARATUS, SYSTEM AND METHOD FOR PUMPING GASEOUS FLUID - An apparatus, system and method for pumping gaseous fluid are described. The centrifugal pump of the invention homogenizes at least a portion of the gas and liquid contained in produced well fluid thereby improving the efficiency of the pump in electric submersible pump (ESP) applications and decreasing the downtime of the ESP system. The impeller of the invention comprises an increased inlet area. The centrifugal pump of the invention comprises a single shroud located on the bottom side of an impeller, an increased inlet area of the impeller and an increased clearance gap between the impeller and a diffuser. One or more truncated vanes extend substantially upstream from the single shroud, wherein each truncated vane sits at a mid-pitch location between untruncated vanes starting from the bottom side of the impeller. | 2015-06-04 |
20150152878 | EXPANDABLE IMPELLER PUMP - An impeller includes a hub, and a plurality of blades supported by the hub, the blades being arranged in at least two blade rows. The impeller has a deployed configuration in which the blades extend away from the hub, and a stored configuration in which at least one of the blades is radially compressed, for example by folding the blade towards the hub. The impeller may also have an operational configuration in which at least some of the blades are deformed from the deployed configuration upon rotation of the impeller when in the deployed configuration. The outer edge of one or more blades may have a winglet, and the base of the blades may have an associated indentation to facilitate folding of the blades. | 2015-06-04 |
20150152879 | BLADE STRUCTURE OF AXIAL FAN - A blade structure of an axial fan is disclosed. The blade structure includes a hub and a plural of fan blades. The fan blades are disposed equidistantly on a periphery of the hub along a rotating direction of the hub. Each fan blade includes a first blade and a second blade. The first blade has a first leading edge and a first trailing edge, and the second blade having a second leading edge and a second trailing edge. A line connecting the first leading edge and the first trailing edge of each fan blade is a first chord line. The second leading edge is located at a line extended along the first chord line, and the separation between the first blade and the second blade is smaller than a distance of adjacent fan blades on the periphery of the hub. | 2015-06-04 |
20150152880 | AIRPLANE TURBOJET FAN BLADE OF CAMBERED PROFILE IN ITS ROOT SECTIONS - A fan blade for an airplane turbojet, the blade including an airfoil extending axially between a leading edge and a trailing edge and including a plurality of airfoil sections stacked radially between a root section and a tip section. All of the airfoil sections situated between the root section and an airfoil section situated at a radial height corresponding to 30% of a total radial height of the airfoil possess a skeleton curve having a point of inflection. | 2015-06-04 |
20150152881 | EXTENDIBLE AND REINFORCEABLE NACELLE AND METHOD FOR MAKING SAME - A nacelle for a wind turbine includes a cover defining an internal volume. The cover extends along a longitudinal direction, and the cover has a predefined length, a predefined width and a predefined height. The cover has multiple sections configured to be fastened together to form the cover. The multiple sections are configured to fasten to one or more longitudinal extension sections. The longitudinal extension sections are configured to fasten to the cover and extend a longitudinal length of the cover to a second length. The second length is greater than the predefined length. | 2015-06-04 |
20150152882 | INTEGRATED FRAME STRUCTURE OF SLIM FAN AND MANUFACTURING METHOD THEREOF - An integral structure of a slim fan frame includes a metal baseplate, a bearing, a central plastic tube and a plastic flow passage sidewall which are connected to each other by integral forming. The method of manufacturing the integral structure is to simultaneously integrate the central plastic tube, the plastic flow passage sidewall, the metal baseplate and the bearing while injection molding the central plastic tube and the plastic flow passage sidewall. | 2015-06-04 |
20150152883 | SHROUDED FAN IMPELLER WITH REDUCED COVER OVERLAP - The described embodiments relate to improving efficiency of a low-profile cooling fan. In one embodiment, an impeller of the cooling fan includes a shroud which covers a central portion of the impeller, thereby allowing a central inlet portion of the blades to have an increased fan blade height when compared to a cooling fan constrained by minimum part tolerances between the fan blades and a portion of the fan housing. In some embodiments, the impeller includes splitter blades that can improve performance of the low-profile cooling fan. | 2015-06-04 |
20150152884 | HIGH PRESSURE RATIO COMPRESSORS WITH MULTIPLE INTERCOOLING AND RELATED METHODS - Turbo-compressor/generator trains including high pressure ratio compressors with multiple intercooling and related methods are provided. A high pressure ratio compressor with multiple intercooling includes a casing with plural chambers, one or more shafts penetrating inside the chambers, and impellers mounted on the one or more shafts inside the chambers, respectively. Each chamber has a gas inlet and a gas outlet to allow gas flow to be input into and to be output from the respective chamber. A gas flow is successively compressed in each of the chambers, and is cooled outside the compressor when transferring from one chamber to a next chamber among the plural chambers. | 2015-06-04 |
20150152885 | EJECTOR - The present disclosure provides an ejector that comprises a housing portion and first and second fluid inlets. The ejector further comprises a fluid outlet and a fluid nozzle that is positioned in the housing and coupled to the first fluid inlet. The fluid nozzle is arranged such that a first fluid that is received by the first inlet at a first pressure PI has a second pressure P | 2015-06-04 |
20150152886 | METHOD AND DEVICE FOR TRANSFER OF ENERGY - A method and device for transfer of thermal energy is described which comprise providing a vessel with a compressible fluid medium, subjecting the compressible fluid medium to a pressure gradient and exposing the compressible fluid medium to sound waves capable to induce fluctuations of density accompanied by establishing of pressure gradient waves propagating through the compressible fluid medium and transferring the thermal energy. | 2015-06-04 |
20150152887 | FAIL-SAFE ACTUATION SYSTEM - A fail-safe actuation system comprising an actuator having first and second chambers, a working circuit with a motor/pump device configured to actuate the actuator in an operative state, and a safety circuit configured to move the actuator into the safety position in a failure state, the safety circuit having a tank that holds pressurized fluid and that, in the failure state, is automatically connected to the first chamber via a switching valve, and having a drain valve that, in the failure state, is moved into a through-flow position in order to drain fluid out of the second chamber, the safety circuit configured such that, in the operative state, an inflow into the actuator—in a manner that is decoupled from the tank—is established by the working circuit, and, in the failure state, an inflow from the tank into the first chamber—in a manner that is completely decoupled from the working circuit—is created by the safety circuit, whereby a short-circuit fluid connection is provided between the first and second chambers that, in the failure state, is through-connected in order to generate a short-circuit flow between the first and second chambers. | 2015-06-04 |
20150152888 | Energy Harvesting Passive And Active Suspension - A hydraulic actuator includes an energy recuperation device which harvests the energy generated from the stroking of a shock absorber. The energy recuperation device can function in a passive energy recovery mode for the shock absorber to store recovered energy as fluid pressure or it can be converted to another form of energy such as electrical energy. | 2015-06-04 |
20150152889 | SYSTEM FOR IMPROVING THE ENERGY EFFICIENCY IN HYDRAULIC SYSTEMS - The invention relates to a system for improving the energy efficiency in hydraulic systems, comprising at least one working cylinder ( | 2015-06-04 |
20150152890 | CONSTRUCTION MACHINE AND CONTROLLER - A construction machine having an actuator that is driven by a working fluid includes a state value detection unit that detects a state value indicating an operating condition of the actuator, a mode determination unit that determines an operating mode by comparing the state value with a determination condition value, and a condition value setting unit that modifies the determination condition value on the basis of a comparison result of the mode determination unit. The condition value setting unit sets the determination condition value such that the determination condition value is increased when the state value falls below the determination condition value and decreased when the state value rises above the determination condition value. | 2015-06-04 |
20150152891 | ROTARY CYLINDER - A rotary cylinder is provided. The rotary cylinder includes an electromagnetic valve, a movable end, a cylinder barrel placed below the movable end, a threaded pole, a piston rod placed below the threaded pole, a pressure arm placed over the movable end, and a first elastic element. The threaded pole is coupled with a lower end of the movable end and placed within the cylinder barrel. A portion of the piston rod is placed within the cylinder barrel, and a remaining portion of the piston rod is exposed to the cylinder barrel. The first elastic element is placed over the movable end between the pressure arm and the threaded pole. | 2015-06-04 |