30th week of 2021 patent applcation highlights part 34 |
Patent application number | Title | Published |
20210231053 | AIR FILTRATION ASSEMBLIES FOR GAS TURBINE SYSTEMS AND METHODS FOR FILTERING INTAKE AIR IN GAS TURBINE SYSTEMS - Air filtration assemblies configured to provide instant detection of particles and/or improve particle filtration are disclosed. The assemblies may include an air inlet duct in fluid communication with a compressor of a gas turbine system. The air inlet duct may include an inlet for receiving intake air including intake air particles, and an outlet positioned opposite the inlet. The assembly may also include a plurality of vane filters at the inlet, an array of fabric filters positioned in the air inlet duct, downstream of the vane filters, and a silencer assembly positioned in the air inlet duct, downstream of the fabric filters. Additionally, the assembly may include an electrostatic component positioned in the air inlet duct, downstream of the fabric filters. The electrostatic component may be configured to charge the intake air particles that pass through the vane filters and the fabric filters. | 2021-07-29 |
20210231054 | INLET COWL FOR A TURBINE ENGINE - The disclosure is towards an inlet cowl for a turbine engine including a surface defining an inlet with a flow path and a method towards controlling the airflow in the flow path. The inlet cowl further includes an inlet lip and inner and outer barrels. The inlet lip confronts the inner barrel at a junction defining a gap. | 2021-07-29 |
20210231055 | LUBRICANT FILLER ASSEMBLY - A lubricant filler for a lubricant tank of an aircraft engine comprises a filler tube having an upper portion to be disposed outside the volume of the tank and a lower portion to be disposed inside the volume. First and second openings are respectively provided in the upper and lower portions. An oil volume sensor is received in the filler tube through the first opening. A valve is connected to the filler tube and movable between an open position in which the valve provides a fluid connection into the lower portion via the second opening, and a closed position in which the valve blocks the fluid connection into the lower portion via the second opening. A third opening, smaller than both the first and second openings, defined one of: a) through a sidewall of the lower portion of the filler tube to provide a fluid connection between the volume and the lower portion when the lubricant filler assembly is attached to the lubricant tank, and b) through the valve to provide the fluid connection when the lubricant filler assembly is attached to the lubricant tank. | 2021-07-29 |
20210231056 | FUEL INJECTOR SYSTEMS AND SUPPORT STRUCTURES - A turbomachine fuel injector system includes an air distributor configured to be mounted to and contained within a casing and to provide air to mix with a fuel from one or more fuel distribution systems. The system includes a fuel manifold configured to be mounted indirectly to the casing such that the fuel manifold system is contained within the casing but is independent such that fuel manifold does not touch or directly mount to either an interior of the casing or touch the air distributor within the casing to prevent or reduce thermal transfer from the air distributor to the fuel manifold. | 2021-07-29 |
20210231057 | AIRCRAFT TURBOMACHINE EQUIPPED WITH A THERMOACOUSTIC SYSTEM - A turbomachine for an aircraft, comprising a thermoacoustic system associated with a fluid circuit that serves to supply the motor of the turbomachine with fluid. The thermoacoustic system comprises an exchanger which is connected to the fluid circuit and in which there flows a fluid that is to be cooled, an acoustic attenuation structure which is distinct from the exchanger and which forms all or part of a wall of the fan duct, and at least one heat-duct tube comprising a portion that is entirely received in the acoustic structure and a portion with an end that is received in the exchanger, and a single curved elbow with a non-zero angle between the two portions. | 2021-07-29 |
20210231058 | VARIABLE THERMODYNAMIC CYCLE ENGINE - A gas turbine engine having: an engine core having, in serial flow communication, a low-pressure compressor, a high-pressure compressor, a high-pressure turbine drivingly connected to the high-pressure compressor, and a low-pressure turbine drivingly connected to an output shaft; and a clutch having a disengaged configuration in which the low-pressure turbine is drivingly disconnected from the low-pressure compressor such that, in the disengaged configuration, the clutch disengages the low-pressure turbine from the low-pressure compressor, and an engaged configuration in which the low-pressure turbine is drivingly connected to the low-pressure compressor, the low-pressure turbine drivingly connected to the output shaft in both of the engaged and disengaged configurations of the clutch. | 2021-07-29 |
20210231059 | GEARED GAS TURBINE ENGINE WITH OIL DEAERATOR - A gas turbine engine comprises a fan drive turbine for driving a gear reduction. The gear reduction drives a fan rotor. A lubrication system supplies oil to the gear reduction. The lubrication system includes a lubricant pump supplying a mixed air and oil to a deaerator inlet. The deaerator includes a separator that for separating oil, and delivering separated air to an air outlet, and for delivering separated oil back into an oil tank. The separator includes a member having lubricant flow paths on both of two opposed sides. A method of designing a gas turbine engine is also disclosed. | 2021-07-29 |
20210231060 | GEARED GAS TURBINE ENGINE - The present disclosure relates to a geared gas turbine engine for an aircraft. Example embodiments include a gas turbine engine for an aircraft including: an engine core having a turbine, a compressor, and a core shaft connecting the turbine to the compressor; a fan located upstream of the engine core, the fan having a plurality of fan blades; and a gearbox that receives an input from the core shaft to drive the fan at a lower rotational speed than the core shaft, the gearbox having a gear ratio of around 3.4 or higher, wherein the gas turbine engine is configured such that a jet velocity ratio between a first jet velocity exiting from a bypass duct of the engine and a second jet velocity exiting from an exhaust nozzle of the engine core is within a range from around 0.75 to around 0.82. | 2021-07-29 |
20210231061 | Electronic Fuel Injection Throttle Body Assembly - Present embodiments provide a throttle body which may be used with a variety of engines of different manufacturers. The throttle body may be used to replace mechanical or hydraulically controlled carburetors with electronic fuel injection. The throttle body may provide improved fuel pathways and fuel injector placement. | 2021-07-29 |
20210231062 | INTERNAL COMBUSTION ENGINE ARRANGEMENT AND METHOD OF CONTROLLING OPERATION THEREOF - The invention relates to a method of controlling operation of an ICE arrangement ( | 2021-07-29 |
20210231063 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - An internal combustion engine comprises an engine body, a filter provided in an exhaust passage of the engine body and trapping particulate matter in the exhaust, and a temperature sensor detecting a temperature of gas flowing cut from the filter. A control device controlling this internal combustion engine comprises a fuel cut control pan configured to perform fuel cut control stopping a supply of fuel to a combustion chamber of the engine body and a forced ending part configured to forcibly make the fuel cut control end even if a condition for performance of fuel cut control had stood based on a trend in change of temperature of the gas temperature detected by the temperature sensor. | 2021-07-29 |
20210231064 | SELF-LEARNING TORQUE OVER BOOST COMBUSTION CONTROL - A spark ignited internal combustion engine is controlled in response to a self-learned TOB reference. The self-learned TOB reference is based on a difference between a learned TOB offset and a desired or target TOB, and a sensed TOB. The learned TOB offset at a given operating condition, such as charge pressure, can be found by interpolating between the learned charge pressure breakpoints in a TOB learning algorithm. The TOB learning algorithm can include using a filtered charge pressure value to indicate the engine load at which the TOB is learned. An index determination is made with a look up table with charge pressure as an input and an array index of learned charge pressure and learned TOB offset as outputs. | 2021-07-29 |
20210231065 | AN INTERNAL COMBUSTION ENGINE - The invention relates to an internal combustion engine comprising a crankshaft, one or mor cylinders including a cylinder head, a piston, a combustion chamber, one or more intake valves, one or more exhaust valves, an intake system configured for feeding intake air to the engine, an exhaust system configured for conveying exhaust gas away from the engine, a pressure charging system connected to the intake system and an exhaust gas recirculation (EGR) system arranged to feed branched off exhaust gas from the exhaust system to the intake system via an EGR conduit wherein:—the internal combustion engine includes a valve actuation device configured to allow for late or early closing of the intake valves in accordance with late or early Miller-type valve timing, and wherein—the EGR system includes a gas feeding device configured to feed exhaust gas through the EGR conduit in modes of operation wherein the pressure in the intake system exceeds the pressure in the exhaust system. Additionally, a method of improving efficiency of an internal combustion engine is described. | 2021-07-29 |
20210231066 | SYSTEMS AND METHODS FOR IMPROVING FUEL ECONOMY OF INTERNAL COMBUSTION ENGINES - The various embodiments disclosed herein relate to systems and methods of improving fuel economy of internal combustion engines. In particular, the systems and methods relate to improving fuel economy of internal combustion engines by increasing the laminar flame speed (LFS) of fuel and hydrogen gas mixture. By increasing the laminar flame speed of the mixture, amount of carbon-based fuel that undergoes combustion increases. This may provide the advantage of minimizing overall fuel consumption by the engine, resulting in fuel savings. This may also provide the advantage of minimizing greenhouse gas emissions by the engine, resulting in environmental benefits. | 2021-07-29 |
20210231067 | SYSTEM AND METHOD FOR INJECTING FLUID - Methods and systems for operating an engine with a pump that is driven via the engine are described. In one example, start of opening of an injector that supplies a fluid to an engine exhaust system is timed based on a period of the pump so that the output of the fluid injector may be repeatable in the presence of fluid pressure oscillations that are periodic with pump rotation. | 2021-07-29 |
20210231068 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE - Provided is a control device for an internal combustion engine. The internal combustion engine includes, in an exhaust passage, an electrically heated catalyst device in which a catalyst is supported on a conductive base material) that generates heat when energized. The control device includes an electronic control unit configured to control the internal combustion engine such that, in a case where condensate is generated in the exhaust passage on the upstream side of the catalyst device in an exhaust flow direction, an engine output in a region where an engine load is equal to or greater than a predetermined load becomes smaller than in a case where condensate is not generated. | 2021-07-29 |
20210231069 | DEVICE FOR SIMULATING THE EVOLUTION PROCESS OF AN INTERNAL COMBUSTION ENGINE EXHAUST PARTICLE FLOW FOR REDUCING AUTOMOTIVE EMISSIONS - The invention discloses a device for simulating an evolution process of an internal combustion engine exhaust particle flow for reducing automotive emissions, and the device comprises an exhaust source; an exhaust channel, comprising a plurality of sections of cylindrical tubes with specified length that are fixedly connected; a soluble organic compound generator, used to produce soluble organic compounds; a carbon particle generator, used to produce carbon particles. The device for simulating the evolution process of an internal combustion engine exhaust particle flow for reducing automotive emissions has the advantages of simple structure and low cost; controls the mixing concentration of soot particles and soluble organic compounds through various adjustment methods to obtain a suitable mixed aerosol, so as to better simulate the exhaust particle flow of an internal combustion engine. | 2021-07-29 |
20210231070 | CONTROLLER AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE - A controller includes a memory device and an execution device, which executes an operation of an operated unit of an internal combustion engine. The execution device executes a first calculation process that uses adapted data sets in order to calculate an operated amount on the basis of a detected value of a state variable, a second calculation process that calculates, as the operated amount, a value that is determined by a relationship defining data set and the state variable, a reinforcement learning process that updates the relationship defining data set, first and operation processes that operate the operated unit in accordance with a calculated value of the operated amount, and a switching process that switches a process that operates the operated unit between the first operation process and the second operation process in accordance with the state of the vehicle. | 2021-07-29 |
20210231071 | METHOD FOR THE MODEL-BASED OPEN LOOP AND CLOSED LOOP CONTROL OF AN INTERNAL COMBUSTION ENGINE - A method for regulation of an internal combustion engine with an SCR catalytic converter in which the operating point of the engine is predefined by an engine control unit and the operating point of the catalytic converter is predefined by an SCR control unit. An overall system quality measure is calculated by an optimizer in accordance with fed back values of the engine control unit and fed back values of the SCR control unit, by changing the default values for the engine control unit and the SCR control unit, the optimizer minimizes the overall system quality measure for a prediction horizon regarding operating costs. On the basis of the minimized overall system quality measure the optimizer sets the default values for the engine control unit and the default values for the SCR control unit as decisive for setting the operating point of the engine and the catalytic converter. | 2021-07-29 |
20210231072 | ABNORMALITY DIAGNOSIS SYSTEM OF DOWNSTREAM SIDE AIR-FUEL RATIO DETECTION DEVICE - The abnormality diagnosis system | 2021-07-29 |
20210231073 | Improved Fuel Control - A method in a combustion engine | 2021-07-29 |
20210231074 | METHOD OF IDENTIFYING FAULTS IN THE OPERATION OF HYDRAULIC FUEL INJECTORS HAVING ACCELEROMETERS - A method of determining the nature of a fault in the operation of a hydraulic fuel injector includes sending an actuation pulse to an actuator of the injector, the actuation pulse being above the minimum drive pulse of the injector. The method also includes analyzing a signal from an accelerometer of the injector to determine if there is a high frequency vibration component subsequent to the end of the activation pulse. The method also includes determining the functionality of a needle control valve of the injector dependent on the outcome of analyzing the signal from the accelerometer. | 2021-07-29 |
20210231075 | INTERNAL COMBUSTION ENGINE CONTROL SYSTEM - An internal combustion engine is equipped with a downstream temperature sensor arranged in an intake passage, an upstream temperature sensor arranged in the intake passage upstream of the downstream temperature sensor, an EGR temperature sensor arranged in an EGR passage, and an airflow meter arranged in the intake passage. A control device corrects a temperature detected by each of the temperature sensors based on an amount of deviation of the temperature detected by that one of the temperature sensors upon activation of the control device after the lapse of a prescribed time or more since stoppage of the internal combustion engine from a reference temperature. Then, the control device calculates a flow rate of EGR gas based on the corrected temperature of that one of the temperature sensors and a flow rate of intake air, and detects the clogging of the EGR passage based on the flow rate. | 2021-07-29 |
20210231076 | CONTROL APPARATUS FOR COMPRESSION-IGNITION TYPE ENGINE - A control apparatus for a compression-ignition type engine is applied to an engine capable of carrying out partial compression ignition combustion. When the partial compression ignition combustion is carried out, an ignition control section of the control apparatus causes an ignition plug to carry out: main ignition in which a spark is generated to initiate the SI combustion; and preceding ignition in which the spark is generated at an earlier time point than the main ignition. An injection control section causes the ignition plug to inject fuel in an intake stroke. The ignition control section sets energy of the preceding ignition to be lower than energy of the main ignition and causes the ignition plug to carry out the preceding ignition after the fuel injection in the intake stroke or an early period or a middle period of a compression stroke. | 2021-07-29 |
20210231077 | CONTROL APPARATUS FOR COMPRESSION-IGNITION TYPE ENGINE - An engine apparatus includes an ignition control section and an injection control section. When the partial compression ignition combustion is carried out, the ignition control section causes an ignition plug to carry out: main ignition in which a spark is generated in a late period of a compression stroke or an initial period of an expansion stroke to initiate the SI combustion; and preceding ignition in which the spark is generated at earlier timing than the main ignition. Also, when the partial compression ignition combustion is carried out, the injection control section causes the injector to inject fuel at such timing that the fuel exists in a cylinder at an earlier time point than the preceding ignition. Energy of the preceding ignition is set to be lower when a swirl flow is gentle than when the swirl flow is intense. | 2021-07-29 |
20210231078 | CONTROL APPARATUS FOR COMPRESSION-IGNITION TYPE ENGINE - Provided is an ignition control section and an injection control section. When partial compression ignition combustion is carried out, the ignition control section causes an ignition plug to carry out: main ignition in which a spark is generated in a late period of a compression stroke or an initial period of an expansion stroke to initiate SI combustion; and preceding ignition in which the spark is generated at earlier timing than the main ignition. Also, when the partial compression ignition combustion is carried out, the injection control section causes an injector to inject fuel at such timing that the fuel exists in a cylinder at an earlier time point than the preceding ignition. Ignition timing of the preceding ignition is set to be more retarded when an in-cylinder pressure specified by an in-cylinder pressure specification section is high than when the in-cylinder pressure is low. | 2021-07-29 |
20210231079 | FUEL PRESSURE CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - The invention is related to a fuel pressure control device for an internal combustion engine, which controls a pressure of fuel supplied to a fuel injection valve and includes: a fuel pump, adopting the internal combustion engine as a driving source, and discharging pressurized fuel to a side of the fuel injection valve; a boost control part, setting a fuel discharge amount of the high-pressure fuel pump to a maximum value for boosting a pressure from a time when cranking starts until a predetermined timing halfway during a startup of the internal combustion engine; and a limit control part, performing limit control which follows the boost control and limits the fuel discharge amount to an upper limit. | 2021-07-29 |
20210231080 | PISTON FOR INTERNAL COMBUSTION ENGINES, AND USE OF A PISTON FOR INTERNAL COMBUSTION ENGINES - The present invention relates to a diesel engine piston which is cast in one piece and which consists of almost fully pearlitic cast iron with spheroidal graphite as the piston material. Moreover, the present invention relates to the use of such a diesel engine piston for “light vehicle” diesel engines, “heavy duty” diesel engines and “large bore” diesel engines. | 2021-07-29 |
20210231081 | SYSTEMS AND METHODS FOR HYBRID ELECTRIC TURBINE ENGINES - A hybrid electric gas turbine engine includes a fan section having a fan, a turbine section having a turbine drivably connected to the fan through a main shaft that extends along a central longitudinal axis, a gas generating core extending along a first axis that is radially offset from the central longitudinal axis, a first electric motor drivably connected to the main shaft, wherein the electric motor is colinear with the main shaft, and an electric compressor extending along a second axis that is radially offset from the central longitudinal axis, the electric compressor in fluid communication with the second turbine section. | 2021-07-29 |
20210231082 | AIR-BREATHING ROCKET ENGINE - An air-breathing rocket engine in certain embodiments comprises an outer shell and an interior portion situated entirely within the front end of the outer shell. The interior portion includes a funnel-shaped intake and an annular primary combustion chamber between the inner front wall of the shell and the outer surface of the funnel-shaped intake. The intake has a central aperture that is in fluid communication with the throat and exhaust areas within the outer shell. A second circumferential gap is formed between the outer surface of the front inner wall and the inner surface of the front end of the outer shell and is in fluid communication with the throat and exhaust areas within the outer shell. One or more injector ports and one or more ignition ports are situated at the front end of the second circumferential gap. | 2021-07-29 |
20210231083 | ENGINE ARRANGEMENTS WITH EGR SYSTEMS - Systems, apparatus, and methods are disclosed that include a divided exhaust engine with at least one pair of primary EGR cylinders and a plurality of pairs of non-primary EGR cylinders. The pair of primary EGR cylinders can be connected to an intake with an EGR system that lacks an EGR cooler. In another embodiment, the cylinder pairs include exhaust flow paths that join in the cylinder head to form a common exhaust outlet for each cylinder pair in the cylinder head that is connected directly to the EGR system or to the exhaust system without an exhaust manifold. | 2021-07-29 |
20210231084 | AIR FILTRATION SYSTEM FOR COMBUSTION ENGINE AND COMBUSTION ENGINE INCLUDING SAME - An air filtration system comprises a filter housing that defines a collection chamber and includes an air inlet, an air outlet and a cleaning assembly opening in fluid communication with the collection chamber. The system also comprises a filter support mounted to the filter housing with each one of the air inlet and the air outlet being located on a respective side of the filter support; and a filter cleaning assembly mounted to the filter housing and including an actuation system; and a diaphragm assembly at least partially covering the filter cleaning opening. The diaphragm assembly vibrates upon actuation of the actuation system so as to displace air in the collection chamber to remove particulate matter from a filter engaged with the filter support. The present disclosure also concerns a combustion engine comprising an air filtration system and a method for cleaning an air filtration system. | 2021-07-29 |
20210231085 | AIR FILTER SYSTEM FOR A UTILITY VEHICLE - An air filter system for a utility vehicle includes a filter housing, a coarse filter located on an inlet side and accommodated in the filter housing, a fine filter arranged downstream in a filter operating direction of an airflow to be cleaned, and a cleaning arrangement accommodated in the filter housing for purging dirt particles separated at least in the fine filter counter to the filter operating direction. | 2021-07-29 |
20210231086 | SYSTEM AND METHOD FOR EVACUATING LIQUEFIED PETROLEUM (LP) GAS FROM A FUEL DISTRIBUTION SYSTEM - A vehicle includes an engine and a fuel system. The fuel system includes a fuel tank that stores liquefied petroleum (LP) fuel. The fuel tank includes a tank outlet port and a tank return port. The fuel distribution system supplies fuel from the fuel tank to the engine and returns unused fuel to the fuel tank. The fuel distribution system includes an engine supply line coupled to the tank outlet port, and a fuel rail disposed on the engine and coupled to the engine supply line. The fuel system includes a fuel discharge valve disposed on the fuel distribution system for removing fuel from the fuel distribution system. | 2021-07-29 |
20210231087 | CONNECTING PIECE FOR A FUEL INJECTOR OF AN INTERNAL COMBUSTION ENGINE - The invention relates to a connecting piece for a fuel injector of an internal combustion engine comprising at least one high-pressure input port and at least one high-pressure output port, wherein the high-pressure input port and the high-pressure output port open into an internal high-pressure accumulator of the connecting piece and/or the injector via separate high-pressure feed channels. | 2021-07-29 |
20210231088 | DAMPER DEVICE - A damper device arranged in a housing space formed between a device main body and a cover member includes a pair of damper bodies each having a plate and a diaphragm and having an enclosed space sealed with gas. A biasing device is provided between the pair of damper bodies arranged facing each other and configured to bias the damper bodies from one side of the device main body and the cover member to the other side of the device main body and the cover member, stay members each extending from an outer peripheral edge portion of each of the damper bodies and brought into contact with other side, and a frame member arranged on one side of the device main body and the cover member and having a stopper portion configured to restrict movement of the damper bodies in the direction of the other side. | 2021-07-29 |
20210231089 | PROGRAMMABLE NON-CONTACT SWITCH AND METHOD OF EMULATING HIGH-RELIABILITY SWITCH - A programmable or configurable non-contact solid state switch device and method are provided for emulating a high reliability switch. The switch device senses position information related to a switch and is calibrated using a learning operation to learn position information of mechanical features of the switch and to map the positions of these features. Electrical outputs or functions are assigned to the mapped positions and stored such that the switch device generates the outputs when their corresponding positions are sensed. A switch device is uniquely configured to the mechanical system in which it operates. | 2021-07-29 |
20210231090 | CONTROL DEVICE, VEHICLE, CONTROL SYSTEM, PROGRAM, AND CONTROL METHOD - A control device is configured to control a vehicle in which an engine is able to be started in response to a request signal transmitted from the outside of the vehicle. The control device includes a controller. The controller acquires the result of detection about the vehicle state of the vehicle from a first sensor group including one or more sensors able to detect the vehicle state of the vehicle before the engine of the vehicle is started in response to the request signal, starts the engine in a case where the vehicle state satisfies a first condition including a condition relating to a range of a transmission of the vehicle, and does not start the engine in a case where the vehicle state does not satisfy the first condition. | 2021-07-29 |
20210231091 | VEHICULAR CONTROL APPARATUS - In a vehicular control apparatus, a minimum operating voltage of a first characteristic device is set to be lower than a minimum operating voltage of a second characteristic device. A supply voltage controller is provided between a controller and the second characteristic device to prevent an occurrence of a situation where a supply voltage of a device power supplied to the second characteristic device becomes less than an input voltage of a signal line of a control signal transmitted from the controller to the second characteristic device. | 2021-07-29 |
20210231092 | IGNITION TIMING CONTROLLER, IGNITION TIMING CONTROL METHOD, AND IGNITION TIMING CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE - A CPU mounted on a vehicle obtains positional data by the GPS. Next, the CPU identifies an octane number, which is a parameter related to combustion of fuel, on the basis of the positional data corresponding to the position of the vehicle and the date and time at which the positional data was obtained. Then, the CPU calculates a correction amount on the basis of the identified parameter. The CPU assigns, to ignition timing, a value calculated on the basis of the correction amount. The CPU controls an ignition device so that the ignition device generates spark discharge at the calculated ignition timing. | 2021-07-29 |
20210231093 | INTERNAL COMBUSTION ENGINE CONTROL DEVICE - Generation of hydrocarbons in an internal combustion engine is suppressed, and a manufacturing cost of exhaust catalysts is reduced. Therefore, an internal combustion engine control device | 2021-07-29 |
20210231094 | HYDRAULIC TURBINE - A runner for a hydraulic turbine configured to reduce fish mortality. The runner includes a hub and a plurality of blades extending from the hub. Each blade includes a root connected to the hub and a tip opposite the root. Each blade further includes a leading edge opposite a trailing edge, and a ratio of a thickness of the leading edge to a diameter of the runner can range from about 0.06 to about 0.35. Further, each blade has a leading edge that is curved relative to a radial axis of the runner. | 2021-07-29 |
20210231095 | METHODS AND APPARATUS FOR GENERATING ELECTRICITY FROM MOVING FLUID - In one aspect, a system for generating electricity based on water flow is disclosed. The system comprises a first pipe fitting, a turbine, and a second pipe fitting. The first pipe fitting couples to a pipe that supplies a fluid to a building. The turbine is in fluid communication with the first pipe fitting and rotates in response to a kinetic energy of the fluid supplied by the pipe flowing through the turbine, generates electricity in response to rotation of the turbine, and reduces a pressure of the fluid from a first pressure to a second pressure. The second pipe fitting couples the turbine to an input pipe of the building. The turbine further comprises a conversion circuit that conditions the generated electricity for consumption by the building and conveys the generated electricity to the building via one or more conductors. | 2021-07-29 |
20210231096 | WIND TURBINE BLADE - A blade for a rotor of a wind turbine having a longitudinal direction with a tip end and a root end and a transverse direction, comprising: a profiled contour that when impacted by an incident airflow, generates a lift, wherein the profiled contour is divided into: a root region having a substantially circular or elliptical profile closest to the hub, an airfoil region having a lift-generating profile furthest away from the hub, and a transition region between the root region and the airfoil region, the transition region having a profile gradually changing in the radial direction to the lift-generating profile of the airfoil region, and further comprising a shoulder, wherein the shoulder is located in the airfoil region, thus yielding a slender and relative thick blade maximizing energy output, reducing bearing loads and facilitating transportation. | 2021-07-29 |
20210231097 | A SYSTEM AND METHOD FOR MANUFACTURING A WIND TURBINE BLADE - The present invention relates to a manufacturing system ( | 2021-07-29 |
20210231098 | A ROTOR FOR A WIND TURBINE WITH A PITCH BEARING UNIT | 2021-07-29 |
20210231099 | METHOD FOR MANUFACTURING A WIND POWER PLANT ROTOR BLADE - A method for manufacturing a wind power plant rotor blade is provided. A mold for manufacturing at least a part of the wind power plant rotor blade is prepared. The mold has a recess, which is used to manufacture at least a part of the wind power plant rotor blade. Liquid erosion protection material is introduced into the recess. Fiber layers are placed in the recess of the mold after the liquid erosion protection material has at least partially hardened. A vacuum infusion bag or a vacuum infusion film is placed, and a vacuum infusion is performed with a resin, so as to obtain a composite component at least as part of the wind power plant rotor blade. | 2021-07-29 |
20210231100 | SYSTEM AND METHOD FOR APPLYING A PITCH MOTOR BRAKING TORQUE TO A WIND TURBINE ROTOR BLADE - A system and method are provided for applying a pitch motor braking torque to a rotor blade. Accordingly, of the pitch control system from a 1 | 2021-07-29 |
20210231101 | METHOD FOR OPERATING A WIND TURBINE - A method for operating a wind turbine, in particular at a location characterized by a cold climate is provided. The method includes specifying an air density at a location of the wind turbine, setting a blade angle of an adjustable rotor blade based on an output power, torque and/or rotor speed. The method includes setting the blade angle as a function of a pitch characteristic curve which specifies the blade angle as a function of the output power, the torque and/or the rotor speed and as a function of the air density. According to the pitch characteristic curve, the blade angle has a minimum as a function of the air density in a region of a reference density of an atmosphere at the location which is characterized by a cold climate. | 2021-07-29 |
20210231102 | ROTOR CONTROL SYSTEM FOR REDUCING STRUCTURAL VIBRATIONS BASED ON M-BLADE TRANSFORMATION - The present invention relates to a rotor control system for actuating pitch of pitch adjustable rotor blades in order to reduce vibrations of a wind turbine element, e.g. tower vibrations. A pitch modification signal is determined which is based on an m-blade coordinate transformation, such as the Coleman transformation. The m-blade coordinate transformation taking as input a first signal and a second signal. The second signal is determined by filtering the first signal with a signal filter with a quadrature phase shift filter phase response. | 2021-07-29 |
20210231103 | CONTROLLING WIND TURBINES IN PRESENCE OF WAKE INTERACTIONS - It is described a method for controlling at least one considered wind turbine ( | 2021-07-29 |
20210231104 | COLLAPSIBLE VERTICAL-AXIS WIND TURBINE - A collapsible wind turbine includes a turbine with a vertical axis (A). The turbine is supported by a vertical pylon, pivotably mounted about a hinge, and by linking members connecting the rotation shaft of the turbine to the pylon while maintaining a separation therebetween. The wind turbine includes: —an electricity generator of which the axis of rotation is perpendicular to the longitudinal axis of the pylon, the generator being secured to the ground; and—at least one flexible link connecting and synchronising the rotation of the generator with the rotation shaft of the turbine by linear travel of the flexible link in a closed-circuit path, so as to drive the rotation shaft of the generator by the movement of the turbine. The present structure is, in particular related to land-based wind turbines in a cyclone-prone area. | 2021-07-29 |
20210231105 | Offshore Wind Turbines and Methods for Deploying and Installing Same - An offshore wind turbine includes a ballast adjustable hull. In addition, the offshore wind turbine includes a telescopic tower movably coupled to the hull. The tower has a central axis and comprises a plurality of nested concentrically arranged elongate tubulars. Further, the offshore wind turbine includes a ballast adjustable elevator disposed about the telescopic tower and movably coupled to the hull. The elevator is configured to lift one or more of the plurality of tubulars of the tower axially upward relative to the hull. Still further, the offshore wind turbine includes a nacelle coupled to an upper end of one of the plurality of tubulars of the tower. Moreover, the offshore wind turbine includes a rotor assembly coupled to the nacelle. | 2021-07-29 |
20210231106 | WIND POWER GENERATION APPARATUS, TOWER AND METHOD FOR SUPPRESSING TOWER SHADOW EFFECT OF TOWER - A wind power generation apparatus, a tower and a method for suppressing a tower shadow effect of the tower. The tower is provided with suction through holes extending through a circumferential wall thereof, and the suction through holes are distributed in a circumferential direction of the tower; the tower is further provided with a suction apparatus, and the suction apparatus can perform suction to the suction through holes from outside to inside. With the tower and the method, when the suction through holes at a windward side are suctioned, the adverse influence of the tower shadow effect can be weakened or eliminated, a service life of a pitch varying bearing can be prolonged, a noise can be reduced and a wind energy utilization coefficient can be improved. When the suction through holes at a position of a bypassing flow detachment are suctioned, vortex-induced vibrations can also be suppressed. | 2021-07-29 |
20210231107 | ELECTRICAL PROTECTION SYSTEM FOR WIND TURBINES - Provided is an electrical protection system allowing transferring to the ground static electricity accumulated onto the blades of a wind generator, and the lightning current when a lightning strikes onto at least one of the blades or at the rotor, including a first discharging unit configured for continuously discharging to the ground the static electricity accumulated onto the blades, and a second discharging unit configured for discharging to the ground the lightning current when a lightning strikes in at least one of the blades or at the rotor. | 2021-07-29 |
20210231108 | METHOD FOR REPAIRING A LEADING EDGE OF WIND TURBINE BLADE - A method for repairing a leading edge of wind turbine blade is provided. In the method an adhesive is applied to an eroded surface of the leading edge of the wind turbine blade for substantially re-establishing geometry of the leading edge of the wind turbine blade. Thereafter, a leading edge protective shell is applied on the leading edge such that the leading edge protective shell adheres to the eroded surface with only the adhesive between the eroded surface and the leading edge protective shell, wherein a shape of the leading edge protective shell corresponds to aerodynamic outer profile of the leading edge. A two component modified-silane polymer adhesive is used to mount a soft polymer leading edge protective shell. | 2021-07-29 |
20210231109 | METHOD FOR ON DEMAND POWER PRODUCTION UTILIZING GEOLOGIC THERMAL RECOVERY - Methods for providing on demand power to an end user in a variety of embodiments are disclosed. Closed loop thermal recovery arrangements are disposed within a geologic formation having a predetermined potential thermal output capacity. A power generation device is incorporated in the loop to recover energy. A working fluid is circulated within the loop at varying flow rates to oscillate thermal output about the predetermined potential thermal output capacity, to produce on demand power where the average thermal output may equal the predetermined potential thermal output capacity. Integrations with intermittent renewable energy sources are provided which optimize performance and distribution. | 2021-07-29 |
20210231110 | Ocean Thermal Energy Conversion Power Plant - An offshore power generation structure comprising a submerged portion having a first deck portion comprising an integral multi-stage evaporator system, a second deck portion comprising an integral multi-stage condensing system, a third deck portion housing power generation equipment, cold water pipe; and a cold water pipe connection. | 2021-07-29 |
20210231111 | COMPRESSED GAS ENGINE - A compressed gas engine is provided. The compressed gas engine may include a first crankshaft, a first set of piston assemblies, a second set of piston assemblies, and a first valve assembly. The first set of piston assemblies may be coupled to the first crankshaft and comprise a first piston assembly having a first diameter and a second piston assembly having a second diameter. The second set of piston assemblies may be operatively coupled to the first crankshaft and comprise a third piston assembly having the first diameter and a fourth piston assembly having the second diameter. The second set of piston assemblies may be positioned on the crankshaft opposite the first set of piston assemblies such that the piston assemblies of the first set of piston assemblies and the piston assemblies of the second set of piston assemblies having the same diameter are aligned. | 2021-07-29 |
20210231112 | SWASH-PLATE TYPE PISTON PUMP MOTOR - A swash-plate type piston pump motor includes: a rotary shaft; a cylinder block that rotates together with the rotary shaft; a plurality of pistons ( | 2021-07-29 |
20210231113 | PULSATION DAMPING SYSTEM - A pulsation damping system for reducing pressure oscillations in an inlet line and/or in an outlet line of a piston pump. The piston pump includes a pump chamber which is connected to the inlet line of the piston pump via a first fluid connection and to the outlet line of the piston pump via a second fluid connection to convey a conveyance fluid. The pulsating damping system includes a damping device. The pump chamber includes a damping fluid connection via which the pump chamber is fluidically connected to the damping device to damp the pressure oscillations. | 2021-07-29 |
20210231114 | Compressor Intake Muffler And Filter - A compressor assembly having a high velocity muffler system which produces a particle-free compressor pump feed while reducing noise output from the compressor assembly during compressing operations. The high velocity muffler system is maintenance-free and comprises an inertia filter. The compressor assembly uses a method for producing a compressor pump feed and reducing noise during compressing operations by processing a gas through the high velocity muffler system which has an inertia filter and a muffler chamber to produce a compressor pump feed which can be compressed by a pump assembly. | 2021-07-29 |
20210231115 | ELECTRIC COMPRESSOR - An electric compressor including a rotary shaft, a compression part, an electric motor, an inverter circuit, a filter element disposed on an input side of the inverter circuit, the filter element including a capacitor connected in parallel to a direct current power source, a holder holding the filter element, a resistor having a lead portion electrically connected to the capacitor, and a housing having an inverter accommodation chamber in which the inverter circuit, the holder, and the capacitor are accommodated. The holder includes a metal plate having an internally threaded screw hole. The resistor is held by the holder the metal plate interposed therebetween with a bolt screwed into the internal threaded screw hole. The holder is fixed to the housing. The holder is interposed between the lead portion and the housing. An insulating heat transfer member is interposed between the metal plate and the housing. | 2021-07-29 |
20210231116 | PUMPING FLUID DELIVERY SYSTEMS AND METHODS USING FORCE APPLICATION ASSEMBLY - A method of dispensing a therapeutic fluid from a line includes providing an inlet line connectable to an upstream fluid source. The inlet line is in downstream fluid communication with a pumping chamber. The pumping chamber has a pump outlet. The method also includes actuating a force application assembly so as to restrict retrograde flow of fluid through the inlet while pressurizing the pumping chamber to urge flow through the pump outlet. A corresponding system employs the method. | 2021-07-29 |
20210231117 | PUMP - A pump is disclosed. The pump including an outer casing having a cavity therein; a pump assembly positioned in the cavity of the outer casing, the pump assembly including: a discharge tube; a check valve operably connected to the discharge tube by a coupling; and a multi-float control assembly, the multi float control assembly including a bottom float check valve operably connected to the discharge tube by the coupling and an upper float check valve connected to a vent. | 2021-07-29 |
20210231118 | DETERMINING A FATIGUE CONDITION OF A HYDRAULIC SYSTEM - Apparatus and associated methods relate to monitoring health of a hydraulic system. A method includes monitoring pressure within the system and determining when a potential fatigue condition may occur based on counting the number of times pressure in the system has exceeded the at least one threshold. In some embodiments, strain cycle data is calculated based on a time sequence of signals generated by a hydraulic fitting, which is indicative of strain of the hydraulic fitting. An output signal indicative of the fatigue condition determined is generated. In some embodiments, the strain data includes a number of strain cycles that the time sequence of signals crosses from below a strain threshold to above the strain threshold. | 2021-07-29 |
20210231119 | DRIVE SYSTEM FOR HYDRAULIC FRACTURING PUMP - A hydraulic fracturing pump includes a pinion assembly extending along a pinion axis and mounted in a crankcase, and having a first pinion shaft and a second pinion shaft coupled together by a keyless coupler. Each pinion shaft includes an input pinion gear mounted on one end of the pinion shaft. A crankshaft disposed along a crankshaft axis is mounted in the crankcase, and is parallel with but spaced apart from the pinion axis. The crankshaft includes a bull gear mounted on each end of the crankshaft with each bull gear interconnected to an input pinion gear by an intermediate gear assembly. Each intermediate gear assembly extends along an intermediate axis parallel with, but spaced apart from, the crankcase and pinion axii. Each intermediate assembly has an intermediate shaft with a first intermediate gear meshed with a pinion gear and a second intermediate gear meshed with the bull gear. | 2021-07-29 |
20210231120 | HIGH PRESSURE PUMP AND A PUMPING METHOD USING THE SAME - A high-pressure pump includes a pump body provided with a piston cavity. A valve assembly and a piston are respectively provided at an end of the piston chamber. An outer end surface of the piston is connected to a push rod. An outer side wall of the piston is provided with a first recess. An outer end surface of the piston is provided with a mounting groove. The push rod is provided with a connecting rod, and an end of the connecting rod close to the piston is provided with an engaging portion, the outer diameter of the engaging portion is larger than the outer diameter of the connecting rod. A bottom of the mounting groove is provided with an engaging groove, and the engaging portion is fitted into the engaging groove. A pumping method using the high-pressure pump is also provided. | 2021-07-29 |
20210231121 | PISTON ROD ASSEMBLY FOR A FLUID PUMP - A piston includes a piston cap, a piston rod body, and a piston head, with the piston cap being removable from the piston rod body. The piston cap includes a cap body and a connecting portion extending from the cap body and away from the piston rod body. The connecting portion includes a neck and a cap head with the cap head connected to an end of the neck disposed opposite the piston rod body. The cap head is wider than the neck. A mounting portion of the piston rod body extends into a receiving portion of the cap body to connect the piston rod body to the piston cap. | 2021-07-29 |
20210231122 | COMPLEX SCREW ROTORS - A compressor desigi includes a male rotor ( | 2021-07-29 |
20210231123 | COMPRESSOR PUMP BODY, COMPRESSOR, AND AIR CONDITIONER - The disclosure discloses a compressor pump body, a compressor and an air conditioner. The compressor pump body includes a sliding vane, a first flange and a second flange. The sliding vane includes a main body. The main body is provided with a first surface and a second surface which are arranged opposite to each other. The first surface abuts against the first flange, and the second surface abuts against the second flange. The first surface and/or the second surface are/is provided with an enlargement portion. An exhaust port is formed in the first flange and/or the second flange. When the sliding vane rotates to sweep the exhaust port, the enlargement portion can prevent two sides of the sliding vane in the rotation direction from communicating by means of the exhaust port. | 2021-07-29 |
20210231124 | BRACKETLESS MAGNETIC PUMP - A fluid pump assembly is used in combination with a container having a wall. The pump assembly comprises a first casing disposed outside the container in contact with the wall, a first magnetic assembly mounted to the first casing and operatively associated with a drive motor, a second casing disposed inside the container in contact with the wall, and a second magnetic assembly mounted to the second casing and operatively associated with an propeller. The first magnetic assembly includes a rotatable magnetic drive member drivingly coupled to the drive motor. The magnetic drive member is magnetically coupled to the magnetic driven member through the wall for imparting a rotary driving force of the drive motor to the propeller. Furthermore, the second casing is detachably connected to the second side of the wall of the container solely by magnetic attraction force between the first and second magnetic assemblies. | 2021-07-29 |
20210231125 | FAN COMPRISING A COOLING BODY CONSISTING OF HEAT-CONDUCTIVE PLASTIC - The invention relates to a fan ( | 2021-07-29 |
20210231126 | Centrifugal Fan - A centrifugal fan is formed from an impeller installed within a casing. The impeller is formed from two plates that are interconnected by a plurality of blades. A duct extends through each blade. At each of its ends, the duct opens at one of the plates. Air enters the fan from through a central opening formed in one of the plates, moves to a medial zone between the plates, and exits the fan at the medial zone's unwalled periphery. Air also crosses the fan by way of the ducts formed within each blade. | 2021-07-29 |
20210231127 | FAN - A fan includes a motor base, a bearing, an impeller, a stator and a magnetic element. The motor base has a bearing stand in a center portion thereof. The impeller includes a metallic case, plural blades and a rotating shaft. A top surface of a top wall of the metallic case continuous with curved surface that defines part of a central opening, and a depth of the central opening is equal to a thickness of the top wall. The blades are disposed around an outer periphery of said metallic case. The rotating shaft is inserted into the central opening and penetrated through the bearing stand, wherein no raised ring structure is formed in the top wall, and the rotating shaft and the metallic case are jointed together by a laser welding process. The magnetic element is disposed on an inner wall of the metallic case and aligned with the stator. | 2021-07-29 |
20210231128 | FAN ROTOR FOR RAM AIR FAN - A fan rotor for a ram air fan includes a hub and blades extending radially outwards from the hub. The hub includes an inner hub portion, a disk portion connected to a radially outer surface of the inner hub portion, and an outer hub portion connected to a radially outer surface of the disk portion. The outer hub portion has an upstream arm with a compound contoured surface. The compound contoured surface is configured to direct air flow around the compound contoured surface and along roots of the blades. | 2021-07-29 |
20210231129 | CEILING FAN WITH MOUNTING PLATE - A ceiling fan assembly having a motor with a rotor and a stator, at least one blade operably coupled to the stator, a motor shaft extending from the stator and having an internal wire passage and a wire opening in a side of the motor shaft, with the wire opening providing access to the internal wire passage, a control mounting plate having a motor shaft opening through which the motor shaft extends and an electronic control unit carried by a side of the control mounting plate. | 2021-07-29 |
20210231130 | PUMP ASSEMBLY - Improved systems and methods for cleaning a filter are described, including apparatuses that include a built-in mechanism for cleaning a filter screen. The system can include a brush mounted in contact with a filter screen, adapted so that the brush can be moved to clean the filter screen. In some versions, the brush rotates with an axis of rotation perpendicular to a plane defined by a substantially planar filter screen. In other versions, the brush is adapted to be moved by a gravitational force along a surface of a filter screen upon removal of a pump housing from a pump well. In still other versions, a substantially cylindrical brush is mounted nested with a substantially semi-cylindrical filter screen, and the brush can be rotated while in contact with the filter screen and with an axis of rotation aligned with a longitudinal axis of the filter screen. | 2021-07-29 |
20210231131 | INERTIA-BASED ENERGY STORAGE METHOD - An inertia-based energy storage device with a fluid pressure regulating function and an energy storage method. The device comprises a vacuum vessel ( | 2021-07-29 |
20210231132 | SUBSEA HYDRAULIC PRESSURE BOOSTING AND REGULATING SYSTEM - A hydraulic boosting and regulating system includes an intensifier circuit and a regulator and employs low leak, low crossover valves. | 2021-07-29 |
20210231133 | HYDRAULIC ACTUATOR WITH A FREQUENCY DEPENDENT RELATIVE PRESSURE RATIO - Disclosed herein are hydraulic actuators and methods for the operation of actuators having variable relative pressure ratios. Further disclosed are methods for designing and/or operating a hydraulic actuator such that the actuator exhibits a variable relative pressure ratio. In certain embodiments, the relative pressure ratio of the hydraulic actuator may be dependent on one or more characteristics (such as, for example, frequency or rate of change) of an oscillating input to the hydraulic actuator. | 2021-07-29 |
20210231134 | HYDRAULIC OSCILLATION MITIGATION SYSTEM FOR WORKING MACHINE - A hydraulic system for controlling a hydraulic circuit of a working machine is disclosed. The hydraulic system can include a first hydraulic cylinder assembly, a second hydraulic cylinder assembly, a third hydraulic cylinder assembly and a valve. When coupled to the first hydraulic cylinder assembly and the second hydraulic cylinder assembly, the third hydraulic cylinder assembly can be configured to control a flow of a hydraulic fluid between the first hydraulic cylinder assembly and the second hydraulic cylinder assembly to limit an extent of travel of the first piston and an extent of travel of the second piston. | 2021-07-29 |
20210231135 | Electronically Adjustable Pressure Compensated Flow Control With Pressure Limiting Relief Valve - A load sense pressure regulating system is provided. The load sense pressure regulating system can be operable between a flow regulation mode and a pressure limiting mode. When the load sense pressure control system is in the flow regulation mode, flow between a load sense inlet and a pilot vent are metered by a main poppet. The load sense pressure regulating system can also include a control valve downstream from the pilot vent that is configured to control a relief setting of a relief valve to regulate the load sense pressure within a desired operating range. | 2021-07-29 |
20210231136 | HYDRAULIC ASSEMBLY - An assembly includes a spring seat, a spring seat insert, and a seal. The spring seat is slidable along the spring seat insert to define an expandable fluid chamber therebetween. The spring seat includes a groove defining a mating surface. The seal is between the spring seat and the spring seat insert. The seal includes a mating portion at the first end engageable with the mating surface of the groove to prevent fluid from exiting the fluid chamber. | 2021-07-29 |
20210231137 | LOCKING SYSTEMS - A locking system includes a locking element which is movable between a first, locking position and a second unlocking position and an unlocking actuator for moving the locking element (from the first position to the second position over an unlocking stroke length (Su). The system further comprises a control unit configured to command the unlocking actuator to move the locking element from the first position to a third position over an anti-icing stroke length (Sa) which is shorter than the unlocking stroke length (Su). | 2021-07-29 |
20210231138 | MILLING MACHINE HAVING A VALVE CURRENT BASED HEIGHT MEASUREMENT SYSTEM - A milling machine may have a frame, a milling drum attached to the frame, and ground engaging tracks that support the frame and propel the milling machine in a forward or rearward direction. The milling machine may have height adjustable actuators connecting the frame to the tracks. Each actuator may have a cylinder attached to the frame, a piston slidably disposed within the cylinder, and a rod connected at a first end to the piston and connected to a track at a second end. The milling machine may have a tank storing hydraulic fluid and a fluid conduit connecting the tank to the cylinder. The milling machine may have a control valve selectively controlling a flow rate of the hydraulic fluid in the fluid conduit. The milling machine may also have a controller that determines a height of the frame relative to the ground surface based on the flow rate. | 2021-07-29 |
20210231139 | MILLING MACHINE HAVING A FLUID FLOW BASED HEIGHT MEASUREMENT SYSTEM - A milling machine may have a frame, a milling drum attached to the frame, and ground engaging tracks that support the frame and propel the milling machine in a forward or rearward direction. The milling machine may have a tank that stores hydraulic fluid. The milling machine may also have at least one actuator connecting the frame to the tracks. The actuator may adjust a height of the frame relative to a ground surface. A fluid conduit may connect the tank to the actuator. The milling machine may have a flow sensor in the fluid conduit. The flow sensor may determine a flow parameter associated with a flow of the hydraulic fluid into or out of the actuator. The milling machine may also have a controller that determines a height of the frame relative to the ground surface based on the flow parameter. | 2021-07-29 |
20210231140 | Method for Controlling the Movement of a Boom, and Work Machine - A method controls the movement of a boom, wherein the boom is moved by a plurality of hydraulic drives. Each hydraulic drive is fed with a hydraulic medium, the pressure and/or volume flow of which is adjustable. The method predefines a desired direction of movement and a desired speed of a boom tip; predictively calculates a pressure and/or a volume flow required for each of the hydraulic drives that are required for the desired direction of movement and desired speed; subsequently generates a supply pressure depending on the predictively calculated pressures and/or subsequently generating a supply volume flow as a function of the predictively calculated volume flows; and subsequently feeds the hydraulic drives required for the desired direction of movement and desired speed with the hydraulic medium having a respective feed pressure and/or a respective feed volume flow such that the boom tip moves in the desired direction of movement at the desired speed. | 2021-07-29 |
20210231141 | STAGGERED PERIODIC RIBLETS - In one embodiment, a method for reducing drag includes forming first periodic riblets on a smooth surface of a physical object and forming second periodic riblets on the smooth surface of the physical object. The method further includes generating a flow over the first and second periodic riblets of the physical object. Each first periodic riblet comprises a first transition region at a first end of each first periodic riblet and a second transition region at a second end of each first periodic riblet. Each second periodic riblet comprises a first transition region at a first end of each second periodic riblet and a second transition region at a second end of each second periodic riblet. Each second transition region at the second end of each first periodic riblet overlaps each first transition region at the first end of each second periodic riblet. A length of each riblet of the first and second periodic riblets runs parallel to a direction of the flow. | 2021-07-29 |
20210231142 | SUBMERGED PERIODIC RIBLETS - In one embodiment, a method for reducing drag includes forming a smooth surface on a first portion of a physical object. The method also includes forming periodic riblets on a second portion of the physical object. The second portion of the physical object is adjacent to the first portion of the physical object. Each riblet of the periodic riblets of the second portion of the physical object is depressed below a plane of the smooth surface of the first portion of the physical object. The method further includes generating a flow over the periodic riblets of the second portion of the physical object and over the smooth surface of the first portion of the physical object. A length of each riblet of the periodic riblets runs parallel to a direction of the flow. | 2021-07-29 |
20210231143 | DEVICE AND METHOD FOR AUGMENTING GAS FLOW - A device to augment gas flow so an exit gas flow will have a higher exit velocity than an inlet gas flow has an inner structure having a first open end and a second open end. The inner structure is hollow. The inner structure tapers down from both the first open end and the second open end to a neck area. At least one opening is formed in the neck area. An outer structure has a first open end and a second open end. The outer structure is hollow. A diameter of the first open end of the outer structure and the second open end of the outer structure are approximately equal and allow the inner structure to slide within the outer structure. At least one outer structure opening is formed in a central area of the outer structure. A housing is attached to the at least one outer structure directing gas flow from a propulsion device within the housing into the device. | 2021-07-29 |
20210231144 | CONNECTION BETWEEN TWO COMPONENTS WITH TOLERANCE COMPENSATION AND A CONNECTING METHOD THEREFOR - A connection between at least a first component A and a second component B with an attachment arrangement with tolerance compensation between the first component A and the second component B. The entire connection is fixated via a blind rivet which is not non-destructively detachable while a compensating sleeve spans a distance between the first component A and the second component B. | 2021-07-29 |
20210231145 | Twist-Base Mount - The Twist-Base Mount couples a single-screw, substrate-penetrating element with an elastically-deformable, concave base element that, once installed, acts as a spring, exerting a downward force upon the substrate around its circumference. Because the base element is rigidly attached to the substrate-penetrating element, a force applied to the Mount parallel to the plane of the substrate is offset by the pressure of the perimeter of the base element against the substrate, resulting in additional strength. The Mount's single-screw, self-boring element allows quick and easy installation. The spring-like base-element permits | 2021-07-29 |
20210231146 | SPLICE PLATE FOR CABLE TRAY FITTING - A fitting splice plate connects a cable tray fitting to a cable tray section. The fitting splice plate includes a guard extending in an outboard direction from a second longitudinal portion of a plate body adjacent a first longitudinal portion of the plate body. The guard is adjacent one of an upper side and a lower side of the second longitudinal portion. The fitting splice plate may include both upper and lower guards. | 2021-07-29 |
20210231147 | BOLT CONNECTOR - An object of the present invention is to provide a bolt connector that enables a bolt to be inserted into a high nut, and is capable of easily maintaining a connection state between the bolt and the nut. The bolt connector connects two bolts and is configured by: a high nut that has a female screw portion; and a spring that is partially inserted into the female screw portion. The female screw portion is formed having a larger diameter than an outer diameter of the bolt. The spring is formed into a shape in which the spring is in contact with threads of the female screw portion and a male screw portion of the bolt, in a state in which the bolt or the high nut is rotated and fastened. | 2021-07-29 |
20210231148 | Connector - A connector for attachment of two frame elements in a framing system has a connector body of similar rectangular section to the frame elements. A flat inner engagement face of the connector body engages with a flat end face of a first frame element, and essentially forms an extension of the first frame element. An outer engagement face of the connector body is substantially parallel to the inner engagement face and in use abuts against a flat side wall of a second frame element. The outer engagement face has two outwardly projecting lips along opposite side edges of the connector body at the outer face. Each lip has a curved inner face for engagement with opposed radiused edges at opposite sides of the flat side wall face of the second frame element. A flat outer face of the lip forms an extension of a side wall of the connector body and provides a smooth transition between adjacent side walls of the two frame elements. Thus, advantageously, there is no groove forming a dirt trap between the two frame elements when they are interconnected. | 2021-07-29 |
20210231149 | Joint for the firm interconnection of a first and a second panel of furniture and other furnishing items - A joint for firmly interconnecting a first panel and a second panel of furniture and other furnishing items positioned perpendicular to each other is provided with at least one fixing element coupled to the first panel and includes a plurality of interconnection and blocking components for joining and firmly blocking the two panels together, wherein, in the joint, the plurality of components lie on the same plane, which is parallel and interspaced with respect to the first panel and perpendicular with respect to the second panel. | 2021-07-29 |
20210231150 | EXPANSION ANCHOR WITH A NONAXISYMMETRIC RECESS - An expansion anchor having an anchor bolt, an expansion sleeve surrounding the anchor bolt, and an expansion body located in a front region of the anchor bolt, wherein the expansion body has a converging zone for expanding the expansion sleeve, and wherein the expansion body is provided with at least one expansion body recess. The at least one expansion body recess is delimited by an expansion sleeve abutment wall, and the at least one expansion body recess has a nonaxisymmetric cross-section. | 2021-07-29 |
20210231151 | Fastener System - A fastener system includes a fastener or nail for mounting objects on a surface and a corresponding plug for filling a hole left when the nail is removed from the surface. The nail and plug are formed of an engineering plastic, and may be formed from recycled materials. In embodiments, the nail and plug are joined by an arm which is easily broken away. In embodiments, the fastener and plug each have a plurality of flanges which provide strength and grip the surface. | 2021-07-29 |
20210231152 | FASTENER ASSEMBLY - A fastener assembly of the present disclosure includes a grommet including a head having a through-hole formed therein and at least one leg extending downward from the head; and a pin configured with a head and a shaft inserted into the grommet. The grommet and the pin are integrally formed by a connection tip. | 2021-07-29 |