32nd week of 2022 patent applcation highlights part 35 |
Patent application number | Title | Published |
20220252000 | ENGINE, OUTBOARD MOTOR, AND WATERCRAFT - An engine includes: a crankshaft disposed vertically; a piston that is connected to the crankshaft via a connecting rod and reciprocates in a cylinder; a cylinder head forming a combustion chamber of the cylinder at an end face of a movable portion of the piston; an intake valve and an exhaust valve disposed at the cylinder head, the intake valve being configured to take in fuel-air mixture, which is a mixture of fuel and air, the exhaust valve being configured to exhaust the fuel-air mixture; a low-rotation rocker arm (rocker arm) that drives the intake valve and the exhaust valve by rotation of a cam shaft; and a rocker shaft that supports the low-rotation rocker arm such that the low-rotation rocker arm is swingable, and an oil holding portion extending in an axial direction of the rocker shaft is provided between the rocker shaft and the low-rotation rocker arm. | 2022-08-11 |
20220252001 | VEHICLE AND CONTROL METHOD FOR GENERATING COMPRESSED AIR BY MOTOR - A vehicle and a control method are capable of generating compressed air using a motor of a hybrid vehicle so as to perform cleaning/care of the hybrid vehicle, without an additional or separate device. The vehicle includes an engine including an intake pipe provided to suck outside air and an exhaust pipe provided to discharge inside air, an opening degree control valve provided at a rear end of the exhaust pipe, and a motor configured to generate power for driving a wheel and configured to drive a piston of the engine by using a portion of the power. In response to the opening degree control valve being in a closed state, and in response to the engine being in a non-combustion state, compressed air is generated in the exhaust pipe by driving the piston of the engine with the power of the motor. | 2022-08-11 |
20220252002 | HYDRAULIC AUXILIARY GENERATOR DRIVE - An auxiliary generator drive for a belt driven generator being powered by an internal engine, the auxiliary generator drive including a hydraulic motor, wherein the hydraulic motor is arranged and adapted to drive the generator and to be driven via a hydraulic pump powered by the internal engine. | 2022-08-11 |
20220252003 | MOUNTING SYSTEM FOR VIBRATION MEASUREMENT SYSTEM - A mounting system for retrofitting a vibration sensor to a machine component is provided. The mounting system includes an elongate fastener, a washer, and a mounting boss. The elongate fastener includes a fastener head and an elongated body defining a longitudinal top end and a longitudinal bottom end. The longitudinal bottom end defines a fastening end configured to engage with a corresponding fastening receptacle of the machine component. The washer defines an external surface and includes a central cavity for engaging the elongated body of the elongate fastener therein. The mounting boss includes a first portion and a second portion. The first portion includes an internal cavity defining a first cavity section configured to engage with the external surface of the washer, and a second cavity section to engage with the fastener head of the elongate fastener. The second portion defines a receiving port for receiving the vibration sensor. | 2022-08-11 |
20220252004 | RADIAL PRE-DETONATOR - A rotating detonation engine can include an annular combustion chamber, a fuel feed line, an oxidizer feed line, one or more igniters configured to detonate fuel and oxidizer reactants, a nozzle proximate the outlet of the annular combustion chamber, and a pre-detonation tube configured to provide the fuel and oxidizer reactants fed from the fuel feed line and the oxidizer feed line to the one or more detonators. The pre-detonation tube can have an outer surface, an inner surface, an inner diameter defining an internal flow region, an inlet proximate the fuel feed line and oxidizer feed line, and an outlet proximate the annular combustion chamber, and can defines a radial geometry that curves around the exterior of the annular combustion chamber. | 2022-08-11 |
20220252005 | METHOD OF CONTROLLING DEFLAGRATION COMBUSTION PROCESS IN PISTONLESS COMBUSTOR - The method is for controlling a deflagration combustion process in a pistonless combustor. The method includes scavenging combustion products of the previous cycle, introducing air into the combustor thereby initiating a flow pattern having a first flow component within the combustor. Air is introduced into the pistonless combustor in a nonparallel angle in relation to the previous air input and thereby creating a second flow component to the flow pattern for increasing speed of combustion propagation. Fuel mixed into the air is introduced for creating a fuel-air mixture flowing within the flow pattern, and igniting the fuelair mixture within the pistonless combustor thereby increasing pressure within the pistonless combustor. | 2022-08-11 |
20220252006 | SYSTEM FOR STARTUP SUPPORT OF EXTERNALLY HEATED TURBINE ENGINE - A power generation system for a nuclear reactor includes an externally-heated turbine engine, a reactor heat exchanger, and a heat recuperating system. The externally-heated turbine engine produces compressed air that is heated by the reactor heat exchanger. The heat recuperating system includes a heat exchanger thermally connected to the externally-heated turbine engine to transfer heat to the compressed air to supplement the reactor heat exchanger. | 2022-08-11 |
20220252007 | ACTIVE COMPRESSOR STALL RECOVERY - A method for operating a hybrid-electric propulsion system of an aircraft, the hybrid-electric propulsion system, the method comprising: sensing data indicative of at least one of an aerodynamic instability, a pressure, or a temperature within the HP compressor and the LP compressor of the gas turbine engine; identifying a aerodynamically unstable compressor by determining that conditions within one of the HP compressor or the LP compressor are within a threshold of a stall condition based at least in part on the sensed data within the HP compressor and the LP compressor of the gas turbine engine, the one of the HP compressor or the LP compressor that is determined to be within the threshold of a stall condition being the aerodynamically unstable compressor; and transferring power, via the one or more electric machines, to the aerodynamically unstable compressor in order to clear the stall condition. | 2022-08-11 |
20220252008 | PROPULSION SYSTEM CONFIGURATIONS AND METHODS OF OPERATION - Propulsion systems and methods of operation are provided. An exemplary propulsion system comprises a rotating element; a stationary element; an inlet duct having an inlet between the rotating and stationary elements, the inlet passing radially inward of the stationary element; a ducted fan disposed in the inlet duct downstream of the inlet and having an axis of rotation and a plurality of blades; a gas turbine engine core having a high pressure compressor, a combustor, and a high pressure turbine in serial relationship; and a booster compressor disposed between the ducted fan and the gas turbine engine core. At least one of the ducted fan and the booster compressor is driven by a variable speed power source such that the rotational speed of the ducted fan and/or booster compressor is controllable independently from the rotational speed of any rotor of the propulsion system. | 2022-08-11 |
20220252009 | GEARED GAS TURBINE ENGINE WITH COMBINED SPRAY BAR AND SCAVENGE COMPONENT - A gear reduction includes a sun gear that engages a plurality of planet gears mounted on a carrier. The planet gears are engaged with a ring gear. The ring gear is fixed against rotation such that rotation of the sun gear causes rotation of the planet gears to cause rotation of the carrier. There are spray bars positioned circumferentially between adjacent ones of the planet gears. The spray bars have jet openings, such that lubricant can be passed directly onto teeth on the sun gear. One of the side faces has a plurality of windows such that oil can be scavenged. There are side surfaces between plurality of windows that do not have an opening. A gas turbine engine and a spray bar are also disclosed. | 2022-08-11 |
20220252010 | POST-SHUTDOWN ENGINE HEAT REMOVAL SYSTEM - Systems and methods for removing heat are provided. For example, a system comprises a support apparatus and a cooling apparatus, including a suction device for forcing air through a gas turbine engine, disposed on the support apparatus, which is moveable with respect to the engine to position the cooling apparatus in contact with an engine exhaust. A nozzle in operative communication with the suction device may force air through the engine. Further, the support apparatus may comprise a lift device, an angle adjustment mechanism, and a nozzle support element disposed on a longitudinal slide rail for adjusting a height, an angle, and a longitudinal position of the nozzle. A method of removing heat from a gas turbine engine after shutdown comprises positioning a cooling apparatus adjacent an exhaust; sealing the cooling apparatus to the exhaust; and operating a suction device of the cooling apparatus to move air through the engine. | 2022-08-11 |
20220252011 | VEHICLE WITH ENERGY CONVERSION SYSTEM - A method for energy conversion for a vehicle is provided. The method including extracting a flow of compressed fluid from a compressor section of a propulsion system; flowing the flow of compressed fluid to a turbine operably coupled to a driveshaft, in which the driveshaft is operably coupled to a load device; expanding the flow of compressed fluid through the turbine to generate an output torque at the driveshaft to operate the load device; and flowing the expanded flow of compressed fluid from the turbine to thermal communication with a thermal load. | 2022-08-11 |
20220252012 | FLOWPATH ASSEMBLY WITH COMPOSITE TUBE ARRAY - Flowpath assemblies, methods of forming flowpath assemblies, and hypersonic vehicles are provided. For example, a flowpath assembly for a combustor comprises a tube array comprising a plurality of tubes, a joining material disposed between adjacent tubes of the plurality of tubes to join together the adjacent tubes, a flowpath layer, and an outer layer. The plurality of tubes and the joining material are disposed between the flowpath layer and the outer layer. The flowpath layer defines a combustion flowpath. Each of the plurality of tubes, the joining material, the flowpath layer, and the outer layer are formed from a composite material. The combustor comprising the flowpath assembly may be included in a ramjet engine of a hypersonic vehicle. A fabrication method may include laying up composite plies to form a tube array including the plurality of tubes, the joining material, and the flowpath and outer layers. | 2022-08-11 |
20220252013 | Hybrid Seal Dual Runner - A turbomachine has a bearing in a bearing compartment. A first seal system isolates the bearing compartment and has: a first runner; a second runner; an inner seal encircling the first runner; and an outer seal encircling the second runner. The inner seal has a static clearance with the first runner. The outer seal has a static clearance with the second runner, greater than the inner seal static clearance. The first runner has an inner portion cantilevered inward. The second runner has an outer portion cantilevered outward. | 2022-08-11 |
20220252014 | AUTOMATED ENGINE VIBRATION MONITORING AND CONTROL SYSTEM - An engine vibration monitoring and control system includes an aircraft autopilot and a flight management system (FMS). The FMS is in operable communication with the aircraft autopilot and is configured to determine when the aircraft autopilot is engaged and disengaged. The FMS is also adapted to receive vibration data from an engine vibration data source and is configured, upon determining that the aircraft autopilot is engaged, to: process the vibration data to determine when engine vibrations exceed one or more first thresholds, and when the engine vibrations exceed the one or more first thresholds, supply commands to the autopilot that cause the autopilot to take corrective actions to reduce the engine vibrations below the one or more first thresholds. | 2022-08-11 |
20220252015 | CRANKTRAIN PHASE ADJUSTER FOR VARIABLE COMPRESSION RATIO - A phase adjuster assembly is disclosed that includes an input gear connected to an input shaft via an interface assembly configured to provide both axial movement and rotational locking between the input gear and the input shaft. A piston plate is connected to the input shaft, and the piston plate defines at least one inner spiral bidirectional raceway. An output gear is configured to be driven by the input shaft, and the output gear at least partially defines at least one outer spiral bidirectional raceway. At least one first rolling element is arranged between the at least one inner bidirectional raceway and the at least one outer spiral bidirectional raceway. Axial movement of the piston plate adjusts a phase between the input gear and the output gear. The input shaft is configured to be axially displaced via axial movement of the piston plate. | 2022-08-11 |
20220252016 | ACTIVE PURGE SYSTEM AND PURGING METHOD ACCORDING TO OPERATING STATE OF HYBRID VEHICLE - An active purge system (APS) according to a driving state of a hybrid vehicle includes an active purge unit (APU) configured to pressurize a vaporized gas generated in a fuel tank of the hybrid vehicle and supply the pressurized vaporized gas to an intake pipe, and a control unit configured to control the APU, where the control unit gradually controls a processing amount of the vaporized gas according to the driving state of the hybrid vehicle. The processing amount of the vaporized gas is gradually controlled using the APS according to the driving state of the hybrid vehicle, particularly, a number of places at which slip occurs in a power transmission system of the hybrid vehicle so that degradation of driving ability due to the occurrence of slip is reduced. | 2022-08-11 |
20220252017 | CYLINDER CHARGE TRAPPING STRATEGIES BASED ON PREDICTIVE NUMBER OF SKIPS AND STAGGERED IMPLEMENTATION OF VALVETRAIN DEPENDENT OPERATIONAL STRATEGIES FOR INTERNAL COMBUSTION ENGINES - A system and method for controlling an internal combustion engine involving (1) cylinder trapping strategies where one of several pneumatic spring types are dynamically selected for cylinders based at least partially on a predicted number of upcoming skips for each of the cylinders respectively and/or (2) staggering various valvetrain dependent operational engine strategies as operating conditions permit as the internal combustion engine warms up following a cold start. | 2022-08-11 |
20220252018 | METHOD FOR CONTROLLING PRESSURE WITH A DIRECT METERED PUMP BASED ON ENGINE SUBCYCLE MASS BALANCE - The present disclosure relates to a method for controlling pressure of an engine, including a controller structured to implement the method and an engine system including the controller. More specifically, the present disclosure relates to a method based on a mass balance analysis of a fuel system to determine how much mass needs to be pumped to maintain or achieve a certain pressure for the engine. In some embodiments, the method analyzes how much mass can be pumped by each pumping event based on current engine conditions. The analysis is performed over the smallest repeatable pump events and cylinder events cycle, or “subcycle,” based on the number of pump events and cylinder events for a given engine configuration. | 2022-08-11 |
20220252019 | PISTON FOR INTERNAL COMBUSTION ENGINE | 2022-08-11 |
20220252020 | Insert of Bed Plate of Vehicle - An insert for a bed plate according to an embodiment of the present disclosure is coupled to a lower portion of an engine block. The insert of the bed plate includes a crankshaft seating portion disposed at a center and where a crankshaft is mounted. The insert of the bed plate also includes a ladder frame fixing portions that are disposed at opposite ends of the insert to facilitate coupling to a ladder frame. The insert of the bed plate also includes a plurality of protrusion portions that are formed on both surfaces of the insert and contact the ladder frame. | 2022-08-11 |
20220252021 | THRUST REVERSER CASCADE INCLUDING ACOUSTIC TREATMENT - A cascade for a thrust reverser device intended to be mounted on a turbomachine of an aircraft, the cascade including first partitions extending in a first direction, seconds partitions extending in a second direction orthogonal to the first direction, the second partitions extending in a third direction secant to a plane comprising first and second directions between a first and a second end. Each second partition forms, with reference planes parallel to the second direction and to the third direction, a plurality of different angles at positions distinct from the height of the second partitions separating the first end from the second end of the second partitions, each angle being formed between a reference plane and the tangent to the second partition taken at the intersection between said corresponding reference plane and the second partition at the position of the height of the corresponding second partition. | 2022-08-11 |
20220252022 | ACOUSTIC ATTENUATION STRUCTURE MADE OF COMPOSITE MATERIAL AND METHOD FOR MANUFACTURING SAME - An annular or semi-annular acoustic attenuation structure includes an inner skin and an outer skin, defining between them an annular or semi-annular volume, and a plurality of partitions extending in the space in a radial direction perpendicular to the inner and outer skins and in a circumferential direction. The inner and outer skins and the partitions are made of composite material including a fibrous reinforcement densified by a matrix. The fibrous reinforcement of each partition includes yarns or fibers extending into the fibrous reinforcement of at least one of the inner or outer skins. | 2022-08-11 |
20220252023 | CONFLUENCE STRUCTURE OF A PRIMARY STREAM AND A SECONDARY STREAM IN A BYPASS TURBINE ENGINE - A confluence structure of an aircraft bypass turbine engine which includes a confluence plate with a downstream end supported by a portion that is movable in the direction of the axis by a control mechanism which can optionally be adjusted in flight. A mobile portion of a sleeve delimiting the secondary stream on the outside, and an inner projection of the outer casing can also slide axially in certain embodiments. This provides a wide range of options for modifying the gas dilution and operating conditions of the engine. | 2022-08-11 |
20220252024 | FUEL TANK SYSTEM - In a fuel tank system, a control unit diagnoses a failure of a fuel storage unit and a processing unit. The fuel storage unit includes a vapor passage through which a fuel tank and a sealing valve are communicated with each other, a first pressure detection unit, and a second pressure detection unit disposed at a position different from the first pressure detection unit. The control unit specifies a presence or an absence of a clogging of the vapor passage based on a first pressure value detected by the first pressure detection unit and a second pressure value detected by the second pressure detection unit when the pressure in the fuel tank is changed by the pressure generation unit in a condition that the sealing valve is controlled to be opened. | 2022-08-11 |
20220252025 | EVAPORATED FUEL TREATMENT DEVICE - Provided is an evaporated fuel treatment device configured to adsorb and desorb an evaporated fuel originating in a fuel tank. A first adsorption chamber is arranged in a flow passage. A second adsorption chamber is connected to the first adsorption chamber, and is arranged, in the flow passage, closer to an atmosphere port with respect to the first adsorption chamber. A first adsorption layer is arranged within the first adsorption chamber, and adsorbs the evaporated fuel. A second adsorption layer is arranged within the second adsorption chamber, and adsorbs the evaporated fuel. A sectional area of the second adsorption layer perpendicular to a direction in which the evaporated fuel flows through the second adsorption layer being larger than a sectional area of the first adsorption layer perpendicular to a direction in which the evaporated fuel flows through the first adsorption layer. | 2022-08-11 |
20220252026 | SYSTEMS AND METHODS FOR REDUCTION OF EMISSIONS AND IMPROVING THE EFFICIENCY OF DIESEL INTERNAL COMBUSTION ENGINES - A system for improving efficiency of an internal combustion engine includes an electronic controller generating an RF signal and an electrolysis reactor electrically connected to the electronic controller. The electrolysis reactor includes a plurality of substantially parallel plates arranged in a stack. The plurality of plates includes a central positive plate, a first positive end plate, and a second positive end plate. The plurality of plates also includes a first negative plate located in the stack equidistantly between the central positive plate and the first positive end plate, and a second negative plate located in the stack equidistantly between the central positive plate and the second positive end plate. The plurality of plates further includes a plurality of neutral plates. The system also includes an aqueous solution flowing through the electrolysis reactor, the solution containing an electrolyte. | 2022-08-11 |
20220252027 | NON-CYLINDRICAL FILTER AND SIDE ENTRY AIR CLEANER INCORPORATING THE SAME - A filter element is provided that is preferably a side entry air filter having an air filter media pack, a housing seal and a frame that has a clamping projection, a pivot projection and/or guide members. The clamping projection can define a non-linear bearing surface that may be chevron shaped to provide for interface and potential alignment benefits. The housing seal may be a wave seal that undulates. | 2022-08-11 |
20220252028 | AIR FLOW DISTRIBUTION ARRANGEMENTS IN PRE-CLEANER SYSTEMS - A spin tube assembly for an engine air cleaner is provided. The spin tube assembly includes a housing, a spin tube panel, a plurality of spin tubes and at least one constrictor. The plurality of spin tubes are supported on the spin tube panel in parallel relation to one another. Each spin tube of the plurality of spin tubes includes a helical element causing air entering the spin tube to rotate such that particles within the air are moved by centrifugal action outwardly against a wall of the spin tube. At least one spin tube of the plurality of spin tubes has a constrictor upstream from the helical element thereof. The constrictor causes a localized restriction of air entering the at least one spin tube compared to the spin tubes without constrictors. Methods of use and configuration are also provided. | 2022-08-11 |
20220252029 | PUMP COVER ATTACHMENT SYSTEM - A vehicle fuel pump assembly includes a fuel pump received in a tank opening, an annular pump mounting ring securing the pump to the tank at the opening, and a cover assembly including an annular cover ring and a cover. The cover ring is removably attached onto the underlying pump mounting ring and the cover is removably attached onto the cover ring to overly at least part of the fuel pump. The cover system can include a flexible attachment element on the cover ring engaging a peripheral notch in the pump mounting ring and clip elements securing the cover to the cover ring. The cover can include a hinge to provide pivoting of the cover or a portion of the cover with respect to the cover ring. | 2022-08-11 |
20220252030 | High-Pressure Fuel Pump - A high-pressure fuel pump includes a pressure-limiting valve that opens from a high-pressure region of the high-pressure fuel pump towards a compression chamber or towards a low-pressure region of the high-pressure fuel pump. The pressure-limiting valve includes a valve body with a valve seat surface that tapers against the opening direction of the pressure-limiting valve, a spherical valve element, and a valve spring, which presses the spherical valve element against the opening direction of the pressure-limiting valve towards the valve seat surface. When the pressure-limiting valve is closed, the valve element and the valve seat surface bear against one another over a contact line, and a gap is formed between the valve element and valve body, next to the contact line. This gap is asymmetrically narrower upstream of the contact line than downstream of the contact line. | 2022-08-11 |
20220252031 | METHOD OF REMOVING PARTICLES IN AN INJECTOR OF A DIESEL ENGINE, APPARATUS FOR PERFORMING THE SAME AND DIESEL ENGINE INCLUDING THE APPARATUS - In a method of removing particles in an injector of a diesel engine, a stop of the diesel engine may be recognized. An injection signal may be inputted into the injector of the stopped diesel engine. A control valve of the injector may be moved in a low-pressure passage by the injection signal to remove the particles accumulated on an inner wall of the low-pressure passage. Thus, a malfunction of the control valve caused by the particles may be previously prevented. | 2022-08-11 |
20220252032 | Starter Solenoid Contact Health Monitor - An ignition system for outdoor power equipment driven by a petrol or gasoline engine may include a safety interlock system, a starter motor, a starter solenoid having an activation coil, and a solenoid monitor. The ignition system may be configured to selectively apply power to start the engine based on application of a start attempt. The safety interlock system may be operable to actuate the starter solenoid via the activation coil to apply current to the starter motor for starting the engine during the start attempt. The solenoid monitor may be configured to determine a status of the activation coil and starter solenoid contacts and provide a fault indication based on the status determined. | 2022-08-11 |
20220252033 | IGNITION COIL CONTROL SYSTEM AND METHOD THEREOF - An ignition coil control system may include a first ignition coil including a primary coil and a secondary coil; a first switch that selectively electrically-connects the primary coil of the first ignition coil; a second ignition coil including a primary coil and a secondary coil; a second switch that selectively electrically-connects the primary coil of the second ignition coil; a pair of electrodes generating spark discharge by a discharge current generated in the first ignition coil and the second ignition coil; and an ignition controller that controls spark discharge of the pair of electrodes by adjusting an amount and a duration of the discharge current of the first ignition coil and the second ignition coil by turning the first switch and the second switch on or off according to a single pulse signal having a constant voltage including different voltages transmitted from an engine control unit (ECU). | 2022-08-11 |
20220252034 | ELECTRONIC CIRCUIT AND CAPACITOR DISCHARGE SYSTEM COMPRISING ELECTRONIC CIRCUIT - An electronic circuit ( | 2022-08-11 |
20220252035 | Ignition Drive Module, Ignition Drive Circuit and Ignition Control System - Disclosed is an ignition drive module with stable performance and reliable function, which comprises a module signal input end, a voltage input end, a module signal output end, a comparator. One end of the comparator is connected to the module signal input end, and the other end is connected to a comparison resistance R that is grounded. The ignition drive module further comprises a maximum dwell timer module connected to the comparator, a logical judgment module connected to the comparator, and an IGBT module connected to the logical judgment module which receives the signals from the maximum dwell timer module and the comparator to determine whether to activate the IGBT module. The output end of the IGBT module is connected to the module signal output end. | 2022-08-11 |
20220252036 | CYCLOTURBINE MODULAR RIVER CURRENT ENERGY CONVERTER AND METHOD AND APPARATUS FOR DEPLOYING MARINE HYDROKINETIC TURBINE ASSEMBLY TO HARVEST RIVERINE AND OCEAN TIDAL CURRENT ENERGY - A hydrokinetic turbine system for harvesting energy from riverine and tidal sources, including a first floating dock, a marine hydrokinetic turbine mounted on the first floating dock, and a second floating dock. The system further includes a winch assembly mounted on the second floating dock and operationally connected to the first floating dock and a linkage assembly operationally connected to the first floating dock and to the second floating dock. The linkage assembly may be actuated to pull the first floating dock into contact with the second floating dock. The linkage assembly may be actuated to distance the first floating dock from the second floating dock, and the winch assembly may be energized to orient the first floating dock into a position wherein the marine hydrokinetic turbine is above the first floating dock and wherein the winch assembly may be energized to orient the first floating dock into a position wherein the marine hydrokinetic turbine is below the first floating dock. | 2022-08-11 |
20220252037 | MULTI-MODE SUBTERRANEAN ENERGY SYSTEM - A multi-mode subterranean energy system and a related multi-mode subterranean energy production method are disclosed. The system comprises subterranean tunnels ( | 2022-08-11 |
20220252038 | Drivetrain for a Wave Energy Converter - An apparatus, system, and method are disclosed for WEC system for a wave energy converter. The system includes a buoyant object, a reaction bity and a line coupling the reaction body and the buoyant object. The system further includes a drivetrain coupled to one of the buoyant object or reaction body. The drivetrain includes a sheave coupled to one of the buoyant object or reaction body and an actuator coupled to the sheave. The line is coupled to the sheave, wherein movement of the buoyant object relative to the reaction body applies a force to the sheave. The force on the sheave drives the actuator, wherein the actuator is configured to apply a spring force. | 2022-08-11 |
20220252039 | Wave Energy Converter Buoy with Variable Geometry - A nonlinear control design technique capitalizes on a wave energy converter comprising a shaped buoy having a variable geometry wave energy. For example, the shaped buoy can have an hourglass (HG) geometry having a variable cone or steepness angle. The HG buoy is assumed to operate in the heave motion of the wave. The unique interaction between the HG buoy and the wave creates a nonlinear cubic storage effect that produces actual energy storage or reactive power during operation. A multi-frequency Bretschneider spectrum wave excitation input was simulated for the HG design both with constant and varying steepness angle profiles which demonstrated further increased power generation with changing sea states for the variable design. | 2022-08-11 |
20220252040 | WIND TURBINE AND WIND TURBINE ROTOR BLADE - A wind turbine comprising at least one rotor blade hub and at least one wind turbine rotor blade, wherein the wind turbine rotor blade is at least of a three-part configuration and has a rotor blade root region, a central region and a rotor blade tip region. In addition an end of the rotor blade root region is non-rotatably fixed to the rotor blade hub and a first pitch bearing is provided between a second end of the rotor blade root region and a first end of the central region. In addition there is provided a second pitch bearing between a second end of the central region and a first end of the rotor blade tip region. | 2022-08-11 |
20220252041 | WIND TURBINE ROTOR BLADE WITH COVERED ACCESS WINDOW - The present invention relates to a wind turbine blade with an access window extending through the blade. A cover member for covering the access window is provided, such that a first end of the cover member is pivotally connected to the outer surface of the blade and a second end of the cover member is releasably fastened to the outer surface of the blade. | 2022-08-11 |
20220252042 | MULTI SEGMENT WIND TURBINE BLADE JOINT BUSHING - A joint bushing that accommodates the dithering and sliding in multi segment wind turbines. The joint bushing includes a self-lubricating liner that is a composite system incorporating woven Polytetrafluoroethylene fibers intermixed with structural reinforcement fibers in a composite matrix. The composite system provides sufficient life without requiring re-lubrication. | 2022-08-11 |
20220252043 | MULTI SEGMENT WIND TURBINE BLADE JOINT BUSHING - A joint bushing that accommodates the dithering and sliding in multi segment wind turbines. The joint bushing includes a self-lubricating liner that is a composite system incorporating woven Polytetrafluoroethylene fibers intermixed with structural reinforcement fibers in a composite matrix. The composite system provides sufficient life without requiring relubrication. | 2022-08-11 |
20220252044 | ROTOR BLADE AND WIND TURBINE - A rotor blade of a wind turbine, to an associated wind turbine and to an associated method. A rotor blade for a wind turbine which extends in the longitudinal direction with a profile course from a blade connector to a blade tip, wherein the profile course comprises a course of a lift coefficient, comprising a hub portion adjacent to the blade connector and a tip portion adjacent to the blade tip, a middle portion adjacent to the hub portion and to the tip portion, wherein the middle portion substantially comprises those profile sections which have a relative profile thickness, which is defined as the ratio of maximum profile thickness to profile depth, of between 20% and 30%, and wherein the middle portion comprises a local minimum of the course of the lift coefficient. | 2022-08-11 |
20220252045 | SYSTEM AND METHOD FOR CONTROLLING A WIND TURBINE - A system and method are provided for controlling a wind turbine. Accordingly, a controller of the wind turbine detects a loss of traction of the slip coupling based on a difference between data indicative of a rotor operating parameter and data indicative of a generator operating parameter. The controller then determines an angle of slip corresponding to the loss of traction as a function of the difference. Based, at least partially on the angle of slip, a degradation value for the slip coupling is determined. A control action is implemented based on the degradation value. | 2022-08-11 |
20220252046 | HIGH-FREQUENCY UNCONTROLLED RECTIFIER-BASED DC TRANSMISSION SYSTEM FOR OFFSHORE WIND FARM - The present disclosure provides a high-frequency uncontrolled rectifier-based DC transmission system for an offshore wind farm, including a DC system and an offshore AC system. The offshore AC system mainly includes wind turbines based on permanent magnet synchronous generators with full-scale power converters, AC submarine cables, and offshore step-up stations. The DC system includes an offshore station and an onshore station that are connected by DC submarine cables, where a converter of the offshore is a three-phase six-pulse uncontrolled rectifier bridge, while a converter of the onshore station is MMC. Each of the offshore AC system and the offshore station has a rated frequency far above 50 Hz, which can usually be chosen to be in a range of about 100 Hz to 400 Hz. The disclosed transmission system allows for a great reduction in construction costs and demonstrating great application potentials in actual engineering. | 2022-08-11 |
20220252047 | METHOD OF ERECTING A WIND TURBINE - A method of erecting a wind turbine on a wind turbine site, the wind turbine comprising a turbine tower and a nacelle. The method comprises the following steps: providing a plurality of tower sections being arrangeable upon each other in a vertical orientation in a tower structure to form the turbine tower; providing at least one damper unit configured to dampen oscillations of the turbine tower; attaching a damper unit to one of the plurality of the tower sections on an outside thereof, and subsequently arranging the tower section in the tower structure, and arranging the nacelle on top of the tower structure while the damper unit is attached to a tower section in the tower structure. | 2022-08-11 |
20220252048 | WIND TURBINE MAIN SHAFT ASSEMBLY - A wind turbine main shaft assembly is provided. The wind turbine main shaft assembly includes a wind turbine main shaft and a connecting piece attached to an end of the wind turbine main shaft. The wind turbine main shaft assembly further includes a first frictional connection between an axial end face at the end of the wind turbine main shaft and an axial face of the connecting piece and a second frictional connection provided by an interference fit between a circumferential portion at the end of the wind turbine main shaft and a corresponding circumferential portion of the connecting piece. | 2022-08-11 |
20220252049 | DRIVETRAIN ASSEMBLY - Provided is a drivetrain assembly including a rotor shaft; a bearing unit mounted about the rotor shaft; and a further drivetrain component connected to an end of the rotor shaft, wherein an annular face of the further drivetrain component is arranged opposite an annular face of the bearing unit with a distance between the annular faces. The drivetrain assembly is characterized by an annular arrangement of tapped holes formed in a first of the two opposing annular faces; a plurality of bolts, wherein each bolt includes a bolt shaft threaded into a tapped hole, a lock nut threaded onto the bolt shaft and tightened against the first annular face; and a bolt head arranged to make contact with the second of the two opposing annular faces. Also provided is a wind turbine including a such a drivetrain assembly; and a method of assembling such a drivetrain. | 2022-08-11 |
20220252050 | WIND TURBINE REPLACEMENT SCHEDULE - Provided is a method and arrangement of estimating replacement schedule of a, in particular mechanical, component of a wind turbine, the method comprising: estimating remaining producible energy until this component is to be replaced. | 2022-08-11 |
20220252051 | DETERMINATION OF WIND PARAMETER VALUES FOR USE IN WIND TURBINE CONTROL SYSTEMS - Provided is a method of determining a wind parameter value for use in a wind turbine control system, the method including (a) receiving a plurality of wind measurement signals, wherein each wind measurement signal is provided by a respective wind sensor among a plurality of wind sensors, (b) determining a set of statistical values based on the wind measurement signals, (c) calculating a weighting factor for each wind measurement signal based on the set of statistical values, and (d) calculating the wind parameter value as a weighted sum by applying the calculated weighting factors to the corresponding wind measurement signals. Further, a corresponding system and a wind turbine with such a system are provided. | 2022-08-11 |
20220252052 | MANAGING WARNING LIGHTS IN A WIND TURBINE - Provided is a warning light apparatus for at least one wind turbine including: at least one warning light, at least one sensor for detecting the presence of an object, an presence acquisition device connected to the at least one sensor the presence acquisition device being configured for: triggering the capturing of data through the at least one sensor, analysing the data captured through the at least one sensor for detecting the presence of objects, a warning controller connected to the at least one warning light and the presence acquisition device, the warning controller being configured for: receiving information about the detection of objects from the presence acquisition device, sending function signals depending on the information received from the presence acquisition device for activating or deactivating the at least one warning light. | 2022-08-11 |
20220252053 | A DEVICE FOR WIND TURBINE BLADE AND TOWER MAINTENANCE AND A SYSTEM FOR RAISING AND LOWERING THE DEVICE - A wind turbine blade and tower maintenance devices, used for servicing, including cleaning, inspection, deicing and painting of wind turbine blades and tower. The device has: a central rod, three balancing rods, a central hub, at least one tool arm adapted to releasably fix one or more tools aimed for surface maintenance; and a tool arm motor adapted to adjust the angle of the tool arm in respect of the central rod, wherein: the central rod and three balancing rods are connected to the central hub; the tool arm is rotatably fixed to the central rod and/or to the central hub via tool arm motor drive; the three balancing rods, as well as central rod or the central hub are adapted to be connected to carrying and balancing ropes or cables. A system for lowering and raising of the arrangement is also disclosed. | 2022-08-11 |
20220252054 | SOLAR GAS TURBINE POWER GENERATION SYSTEM BASED ON PHOTOTHERMAL PRINCIPLE - A solar gas turbine power generation system based on a photothermal principle includes a gas turbine, a solar collector and a solar reflector, where the gas turbine includes a compressor impeller, a turbine, a recuperator and a combustion chamber, the recuperator includes an outer shell, an intermediate shell and an inner shell, a low-temperature gas inlet passage is formed between the intermediate shell and the outer shell, a high-temperature gas inlet passage is formed between the intermediate shell and the inner shell, an inlet and an outlet of the low-temperature gas inlet passage communicate with an outlet of the compressor impeller and an inlet of the combustion chamber, respectively, and an inlet and an outlet of the high-temperature gas inlet passage communicate with an outlet of the turbine and the outside, respectively; and the solar collector includes an absorber plate covering the outer shell of the recuperator. | 2022-08-11 |
20220252055 | Shape Memory Alloy Actuators And Methods Thereof - SMA actuators and related methods are described. One embodiment of an actuator includes a base; a plurality of buckle arms; and at least a first shape memory alloy wire coupled with a pair of buckle arms of the plurality of buckle arms. Another embodiment of an actuator includes a base and at least one bimorph actuator including a shape memory alloy material. The bimorph actuator attached to the base. | 2022-08-11 |
20220252056 | ACTUATOR ELEMENT AND METHOD FOR OPERATING AN ACTUATOR ELEMENT - The invention relates to an actuator element ( | 2022-08-11 |
20220252057 | PISTON COUPLER FOR A RECIPROCATING PUMP - A liquid delivery system includes a reciprocating drive and a liquid cylinder comprising a liquid piston, operably driven by the reciprocating drive, to pump a liquid along a flow path to a liquid applicator. The liquid delivery system includes a coupler configured to couple the liquid piston to the reciprocating drive. The coupler includes a plurality of collar elements and a biasing member configured to apply a biasing force on the plurality of collar elements to retain the collar elements in a position that forms a collar that couples the liquid piston to the reciprocating drive. | 2022-08-11 |
20220252058 | INTEGRATED ELECTRIC-TO-HYDRAULIC CONVERSION MACHINE - An electric-to-hydraulic conversion machine includes an axial flux electric motor and a hydraulic pump. The motor includes a spindle, at least one rotor configured to rotate about the spindle, and at least one stator configured to drive rotation of the at least one rotor about the spindle. The hydraulic pump includes a piston block having a plurality of cylinders, a plurality of pistons each supported in one of the cylinders of the piston block, and a cam ring. The piston block is attached to the at least one rotor and is configured to rotate about the spindle with rotation of the at least one rotor. The cam ring is configured to radially drive the pistons during rotation of the piston block about the spindle, which drives a fluid flow. | 2022-08-11 |
20220252059 | IMPROVED RUBBER SEALED PLUNGER ASSEMBLY - The present invention relates to an improved rubber sealed plunger assembly of electrical compressor by-pass valve. The present invention relates to an improved rubber sealed plunger assembly of electrical compressor by-pass valve with lip seal design to eliminate its over molding and improve performances like leakage and response time. The present invention provides an improved rubber sealed plunger assembly comprising of components including but not limited to a rubber disk cover, a rubber disk, a plunger body, a diaphragm and a diaphragm holder. | 2022-08-11 |
20220252060 | GAS TRANSPORT AND PRESSURIZATION SYSTEM - A gas transport and pressurization system, including a static valve, a compartment concentrically arranged around the static valve, a dynamic valve axially displaceable relative to the static valve, and a crankshaft connected to the dynamic valve, wherein gas from a ground gas well flows through the compartment, the dynamic valve, and the static valve to a gas outlet. | 2022-08-11 |
20220252061 | CONTRACTILE DEVICE FOR USE AS AN ACTUATOR, PUMP OR COMPRESSOR - This invention concerns a contractile device. The device includes a body, which has a wall including a tessellation of elements. The body is deformable through pressurisation of fluid within the body between a first, extended state and a second, contracted state in which the axial length of the body is reduced and the internal volume increased compared to the first, normal state. The tessellation of elements includes a series of protruding and intruding formations which are arranged such that the body remains substantially cylindrical through its deformation between its normal and deformed states. The protruding and intruding formations of the tessellation of elements may be in the form of protruding and intruding pyramids. | 2022-08-11 |
20220252062 | TUNED MICRO CHECK VALVES AND PUMPS - A fluid pump for pumping a fluid between a fluid inlet and a fluid outlet has a chamber with an inlet and an outlet. At least one flow restricting element is disposed at a flow line portion and is configured to resonate along a continuum of states between a first end state and a second end state to thereby affect fluid flow profile through said inlet or said outlet. While resonating the element transitions through a range of states differing in the flow they permit. A driver is configured to modulate conditions in the chamber or on the at least one flow restricting element at a characteristic frequency profile, thereby inducing the at least one flow restricting element to resonate between the first and second states at about said characteristic frequency profile. | 2022-08-11 |
20220252063 | ACTUATOR AND FLUID CONTROL DEVICE - An actuator includes a first main plate at which a piezoelectric element is disposed, a frame body, and a connection part. The frame body is disposed on an outer side of an outer edge of the first main plate and apart from the first main plate. The connection part is disposed between the first main plate and the frame body. The connection part has a plurality connection bodies and a gap, which are disposed along the outer edge, the plurality of connection bodies being connected to the first main plate and the frame body, the gap being disposed between the plurality of connection bodies. The first main plate and the connection bodies are made of the same material. A thickness of the connection bodies is more than a thickness of the first main plate. | 2022-08-11 |
20220252064 | SOLAR DRIVE CONTROL SYSTEM FOR OIL PUMP JACKS - A system for supplementing the electric power needed by a pump jack electric motor, thereby reducing the electric power purchased from the local utility or power supplier. The system comprises a solar photovoltaic system, or other forms of renewable energy, and regenerated power from the electric motor or drive. The system can be both “on-grid” and “off-grid.” Battery banks and capacitor banks may be used to store energy. | 2022-08-11 |
20220252065 | Fluid Machine Device - A fluid machine device includes a plurality of fluid machines that discharge a fluid; a worn state detection unit that detects a worn state of the fluid machine; a pressure detection unit that measures a pressure from the fluid machines; and a control unit that controls the plurality of fluid machines. The control unit determines whether or not there is the fluid machine that is worn, and performs control to start operation of the fluid machine that is not worn when the pressure is insufficient. | 2022-08-11 |
20220252066 | Split Power Gerotor Pump - A split power gerotor pump includes a rotational axis, a shaft, an inner gerotor, an eccentric pocket, and an outer gerotor. The inner gerotor is rotationally fixed on the shaft, rotatable about the rotational axis, and includes n first lobes. The eccentric pocket is rotatable about the rotational axis, and includes a cylindrical bore with a center radially offset from the rotational axis and an outer surface, disposed radially outside of the cylindrical bore and arranged for direct engagement with a gear or a rotor for an electric motor. The outer gerotor includes a cylindrical outer surface installed in the cylindrical bore and n+1 second lobes. | 2022-08-11 |
20220252067 | MOTOR-PUMP SYSTEM - A motor-pump system includes a first housing part, a hydraulic pump, an electric motor, and a sensor board. The hydraulic pump includes an outer gerotor rotationally supported on the first housing part and an inner gerotor rotationally supported on the first housing part. The electric motor includes a stator assembly rotationally fixed in the first housing part and a rotor assembly with a non-ferrous sensor target, fixed to the outer gerotor. The sensor board includes a plurality of sensor traces for inductively sensing a signal from the non-ferrous sensor target when the outer gerotor is rotated. | 2022-08-11 |
20220252068 | HYDROSTATIC PRESSURE SUPPORT FOR SPHERICAL PUMP ROTOR AND SPHERICAL PUMP WITH SAME - Disclosed are a hydrostatic pressure support and a spherical pump having the same. The hydrostatic pressure support is arranged between each of two parallel sides of a slipper and a sliding groove, and includes a first liquid flow channel, a second liquid flow channel, and a pressure-bearing groove. An inlet of the first liquid flow channel is communicated with one of two working chambers of the spherical pump, and an inlet of the second liquid flow channel is communicated with the other of the two working chambers. An outlet of the first liquid flow channel and an outlet the second liquid flow channel are respectively communicated with the pressure-bearing grooves provided on the two parallel sides of the slipper. | 2022-08-11 |
20220252069 | MAGNETIC DRIVE PUMP - A magnetic drive pump includes a seat unit, a motor unit and a leak detector. The motor unit includes a rotor, an inner case body, an outer case body and a stator. The inner case body has an inner end wall. The outer case body is sleeved on the inner case body and has an outer end wall. The outer end wall cooperates with the inner end wall to define a liquid-receiving space therebetween. The leak detector is disposed on one side of the outer end wall opposite to the liquid-receiving space and includes a sensor for detecting the change of the electrostatic capacity between the liquid-receiving space and the sensor. | 2022-08-11 |
20220252070 | SUBSEA ELECTRIC FLUID PROCESSING MACHINE - A subsea fluid processing system includes an electric motor that rotates a shaft on which impellers are fixedly mounted. Diffusors are static and fixed to the pump housing. The electric motor includes a rotor surrounding the shaft and a stator that is filled with a dielectric stator fluid. The stator is sealed or “canned.” The inner surface of the stator which faces the rotor is canned with a canning non-metallic material. The motor, as well as bearings for the rotating shaft are lubricated and cooled with a fluid that in some cases is taken from the process fluid and some alternative source. Alternative sources include: MEG, methanol, treated seawater and untreated seawater. | 2022-08-11 |
20220252071 | SUBSEA ELECTRIC FLUID PROCESSING MACHINE - A subsea fluid processing system includes an electric motor that rotates a shaft on which impellers are fixedly mounted. Diffusors are static and fixed to the pump housing. The electric motor includes a rotor surrounding the shaft and a stator that is filled with a dielectric stator fluid. The stator is sealed or “canned.” The inner surface of the stator which faces the rotor is canned with a canning non-metallic material. The motor, as well as bearings for the rotating shaft are lubricated and cooled with a fluid that in some cases is taken from the process fluid and some alternative source. Alternative sources include: MEG, methanol, treated seawater and untreated seawater. | 2022-08-11 |
20220252072 | LIQUEFIED GAS UNLOADING AND DEEP EVACUATION SYSTEM - A liquefied gas unloading and deep evacuation system may more quickly, more efficiently and more completely unload liquefied gases from transport tanks, such as rail cars, into stationary storage tanks or into truck tanks. The system may utilize a two stage compressor, an electric motor, a variable frequency drive, a four way valve, a three way valve, a two way valve, a programmable logic controller based control system and pressure and temperature transmitters. The valving enables deep evacuation of the transport or supply tank to more completely empty the transport tank. The programmable logic controller and variable speed drive may be used to variably control the speed of the two stage compressor so that the system may be running as fast as possible during changes in ambient temperature and/or different stages of offloading the liquefied gases without exceeding the compressor's horsepower limit. | 2022-08-11 |
20220252073 | POWER ELECTRONICS COOLING ARRANGEMENT - A refrigerant compressor according to an exemplary aspect of the present disclosure includes, among other things, a first stage and a second stage downstream of the first stage, and a cooling line configured to cool power electronics. The cooling line is configured to be switched between a first mode and a second mode. The first mode is configured to dump refrigerant between the first stage and the second stage, and the second mode is configured to dump refrigerant upstream of the first stage. | 2022-08-11 |
20220252074 | VACUUM PUMP AND VACUUM PUMP COMPONENT - A main-body casing having an inlet port or an outlet port, a rotatable rotor shaft, and a rotor coupled to the rotor shaft are provided. A recess portion opened toward the inlet port is formed in the rotor and a fastening portion (a first shaft portion and a second shaft portion) of the rotor shaft is exposed to the recess portion. A cover portion, which is fastened to the fastening portion by a cover-portion fixing bolt and covers at least a part of the recess portion, is formed having a container shape and has a reinforcing portion located in a periphery of the fastening portion that prevents deflection by increasing rigidity. The cover portion also has a contact-pressure generating portion which is pressed by fastening to the fastening portion in a fastening direction and causes a contact pressure to be generated in the fastening direction. | 2022-08-11 |
20220252075 | BUILT-IN ELECTRIC AIR PUMP FOR INFLATABLE PRODUCT - A built-in electric air pump for an inflatable product includes an outer casing, an inner casing, a motor, and an impeller. The outer casing has an accommodating cavity therein. The inner casing is rotatably disposed in the accommodating cavity. By rotating the inner casing, the inflatable product can be inflated or deflated. There is no need to provide an additional button for switching inflation and deflation functions, which simplifies the assembly procedure in the manufacturing process and facilitates production. | 2022-08-11 |
20220252076 | BLOWER - A blower, comprising: a blower body, having accommodated therein a fan and a drive unit, a rotation shaft of the fan defining a longitudinal axis, and the blower body defining an air inlet; a blow pipe, attached to the blower body and extending along the longitudinal axis, the blow pipe defining an air outlet; and a control unit, for controlling operation of the drive unit. The blower defines an airflow path extending from the air inlet to the air outlet, the control unit being at least partially located in the airflow path, such that when the blower is operating, at least a portion of an airflow entering the air inlet cools the control unit and is then discharged through the air outlet. | 2022-08-11 |
20220252077 | LIFTING OSCILLATING FAN WHICH IS CONVENIENT TO STORE AND CARRY - A lifting oscillating fan comprises a fan base. One side of upper end of the fan base is connected to a first telescopic rod; upper end of the first telescopic rod is connected to a second telescopic rod by a movable joint; upper end of the second telescopic rod is connected to a U-shaped support; inner walls of opposite sides of the U-shaped support are connected to a rotating rod by a rotating shaft; upper end of the rotating rod is connected to a supporting rod by a bearing; a head shaking support is sheathed on upper end of the supporting rod; one side of the head shaking support is connected to a connecting plate; the head shaking support is connected to a fan head by the connecting plate; and a connecting cylinder correspondingly connected to the connecting plate is embedded in one side of the fan head. | 2022-08-11 |
20220252078 | FAN SYSTEM AND FAN DRIVING METHOD - The present disclosure relates to a fan system and a fan driving method. The fan system includes a first fan and a second fan, which are used to operate according to a first driving signal and a second driving signal, respectively, and to generate a first rotating speed signal and a second rotating speed signal. The first rotating signal has a first phase, and the second rotating signal has a second phase. The second fan is electrically connected to the first fan to receive the first rotating speed signal, and obtain a detected phase difference between the first phase and the second phase. The second fan is further configured to selectively increase or decrease the duty cycle of the second driving signal according to the detected phase difference, so that the second phase is adjusted to maintain a preset phase difference with the first phase. | 2022-08-11 |
20220252079 | IMPELLER - An impeller is provided, including a metal housing, a shaft, and a plastic member. The metal housing has a shaft mounting hole. The inner surface of the shaft mounting hole includes three or more contact points, and the contact points are closer to the shaft than other portions of the inner surface of the shaft mounting hole. The shaft passes through the shaft mounting hole and is affixed by the contact points. The metal housing divides the shaft into an upper section, a middle section, and a lower section. The plastic member passes through the shaft mounting hole and is in contact with the middle section. | 2022-08-11 |
20220252080 | FAN WITH IMPROVED DUCT - A ducted axial fan. The fan includes a rotor rotatable around an axis X and having a plurality of blades, and a duct suitable for defining a circular section channel developing in an axial direction around the rotor. The duct includes an annular seat circumferentially extending around the rotor, and the blade tips are at least partially received in the annular seat of the duct. | 2022-08-11 |
20220252081 | FAN - A fan includes a hub, a plurality of fan blades arranged around the hub and connected to the hub, and a plurality of guiding parts. Each of the plurality of fan blades comprises a windward surface and a leeward surface facing away from the windward surface. Each of the plurality of guiding parts is arranged on each of the plurality of fan blades. Each of the plurality of guiding parts comprises a plurality of guiding portions. Each of the plurality of the guiding portions protrudes from or is recessed in the windward surface or the leeward surface. | 2022-08-11 |
20220252082 | CENTRIFUGAL BLOWER - A casing, which receives a fan, has a suction port forming portion that forms a suction port. A separation tube has a tube upper end portion, which forms an air inlet, through which the air flows into an inside of the separation tube. The tube upper end portion is located on one side of the suction port forming portion in an axial direction such that the tube upper end portion overlaps with a portion of the suction port in the axial direction. A rib is formed at a periphery of the suction port. The periphery of the suction port has: an overlapping region, which overlaps with the tube upper end portion in the axial direction; and a non-overlapping region, which does not overlap with the tube upper end portion in the axial direction. The rib occupies more area in the non-overlapping region than in the overlapping region. | 2022-08-11 |
20220252083 | HYDRAULIC PUMP OR MOTOR WITH MOUNTING CONFIGURATION FOR INCREASED TORQUE - A female mounting member is configured to mate with a hydraulic pump or fan. The member includes a body that defines a projection receiving cavity defining a cavity diameter, and a first threaded hole defining a first threaded hole diameter. A ratio of the cavity diameter to the first threaded hole diameter ranges from 8.0 to 8.15. | 2022-08-11 |
20220252084 | CONSTRUCTION MACHINE AND CONTROL METHOD THEREFOR - A construction machine including a boom; an engine; a main pump discharging a working fluid; a working fluid tank storing the working fluid; a boom cylinder raising or lowering the boom and comprising a head side and a rod side; a regeneration line connected to the head side of the boom cylinder and moving the working fluid discharged from the head side of the boom cylinder; a regeneration motor operated by the working fluid moved through the regeneration line and assisting the engine; an accumulator connected to the regeneration line accumulating the working fluid discharged from the boom cylinder; a boom regeneration valve opening or closing the regeneration line; a main control valve controlling a supply of the working fluid, to the boom cylinder and discharge a part of the working fluid, which is discharged from the head side of the boom cylinder, to the working fluid tank. | 2022-08-11 |
20220252085 | ELECTRO-HYDRAULIC SERVO-VALVES AND RELATED METHODS - Electro-hydraulic servo-valves and related methods are disclosed herein. An example electro-hydraulic servo-valve includes an inlet to receive a fluid from a reservoir, a torque motor, a chamber, the fluid to return to the reservoir via the chamber, and a flexure tube coupled to the torque motor. At least a portion of the flexure tube is disposed in the chamber. The flexure tube includes a nozzle to deliver the fluid to an actuator. The example electro-hydraulic servo-valve includes a damper operatively coupled to the flexure tube. The damper is disposed in the chamber. | 2022-08-11 |
20220252086 | SYSTEMS AND METHODS FOR BLEED DOWN AND RETRACTION OF A CONSTRUCTION MACHINE BOOM - A hydraulic system for controlling bleed down and retraction of a boom within a safety envelope includes a backup battery power supply, and at least a first boom lift hydraulic cylinder configured to raise and lower the boom. The first boom lift hydraulic cylinder includes a solenoid bleed valve electrically connected to the backup battery power supply. The hydraulic system also includes an input device controllable by an operator of the boom. The input device may, for instance, be used by the operator to initiate bleed down and retraction of the boom from an elevated position. To accommodate independent failsafe features of the system, the input device is configured to selectively actuate the solenoid bleed valve using electrical power supplied from the backup battery power supply. | 2022-08-11 |
20220252087 | HYDRAULIC PUMP OR MOTOR WITH MOUNTING CONFIGURATION FOR INCREASED TORQUE - A hydraulic pump or motor includes a mounting flange that is disposed at the first end of the housing. The mounting flange defines a pair of bolt receiving slots that are disposed along the X-axis on either side of the shaft. The pair of bolt receiving slots each define a radius center that are spaced away from each other a X dimension, and a pilot projection extends longitudinally away from the mounting flange, defining a pilot projection diameter. A ratio of the X dimension to the pilot projection diameter ranges from 1.1 to 1.5. | 2022-08-11 |
20220252088 | ELECTRO-HYDRAULIC ACTUATOR SYSTEMS AND METHODS OF OPERATING THE SAME - An electro-hydraulic actuator system includes a fixed-displacement hydraulic pump and a variable speed electric motor configured in combination to constitute an individual electro-hydraulic unit that is coupled to an actuator, and a bypass valve in parallel to the actuator. The system is configured to enable the actuator to be operated at actuation speeds that are higher than a maximum actuation capability of the pump at the maximum flow capability thereof, and at actuation speeds that are lower than a minimum actuation capability of the pump at the minimum flow capability thereof. The actuation velocity of the actuator may be controlled by controlling the speed of the electro-hydraulic unit and a size of an opening of the bypass valve. | 2022-08-11 |
20220252089 | ROTARY ACTUATOR - Devices and systems for producing rotational actuation are described. Hydraulic and pneumatic actuators can produce and control rotational motion. A rotary joint may be configured to allow parallel coupling of multiple actuators, and thus increase the range of rotation of the actuators when considered collectively. The actuators may include pistons and piston rods having torus shapes. Methods of manufacturing rotary joints are also described. | 2022-08-11 |
20220252090 | SYSTEM WITH MOTION SENSORS FOR DAMPING MASS-INDUCED VIBRATION IN MACHINES - A system for damping mass-induced vibrations in a machine having a long boom or elongate member, the movement of which causes mass-induced vibration in such boom or elongate member. The system comprises at least one motion sensor operable to measure movement of such boom or elongate member resulting from mass-induced vibration, and a processing unit operable to control a first control valve spool in a pressure control mode and a second control valve spool in a flow control mode in order to adjust the hydraulic fluid flow to the load holding chamber of an actuator attached to the boom or elongate member to dampen the mass-induced vibration. The system further comprises a control manifold fluidically interposed between the actuator and control valve spools that causes the first and second control valve spools to operate, respectively, in pressure and flow control modes. | 2022-08-11 |
20220252091 | ROBOTIC DEVICES USING MAGNETIC FIELDS FOR THREE-DIMENSIONAL CONTROL OF FLUIDS - A flow control system for three-dimensional (3D) control of fluids with a high spatiotemporal resolution using alternating magnetic fields is disclosed. This technology is applicable to many disciplines, including fluid dynamics, microfluidics, electrochemistry, metallurgy, and healthcare. In particular, the proposed technique can address challenging problems such as turbulence control, drag reduction, contactless mixing, crystal growth control, and targeted drug delivery. | 2022-08-11 |
20220252092 | Ultrasonic Airflow Severing Resistance Reducing Device for Vehicles - An ultrasonic airflow severing resistance reducing device for vehicles, including an airflow severing blade assembly, shock-absorbing installation assemblies, ultrasonic vibration components, and a rubber sealing ring assembly; a bottom portion of the airflow severing assembly is provided with an accommodating cavity; a top end of each shock-absorbing installation assembly is fixedly connected to an inner cavity wall of the accommodating cavity; a bottom end of each shock-absorbing installation assembly is formed with a fixed installation bottom portion; the ultrasonic vibration components are installed on the inner cavity wall; the rubber sealing ring assembly is arranged and installed on the airflow severing blade assembly. The ultrasonic vibration components drive the airflow severing blade assembly to generate high frequency ultrasonic vibration to sever airflow. | 2022-08-11 |
20220252093 | Alignment Aid for Screens - The invention relates to an alignment aid for screens, including at least one first connecting means of a first type, and at least one second connecting means of a second type, the first connecting means of a first screen and the second connecting means of a second screen cooperating with each other for alignment of the screens relative to each other. | 2022-08-11 |
20220252094 | GRAVITY-ORIENTATION COUPLER - A gravity-orientation coupler is shown and described. The gravity-orientation coupler includes a first coupler half and a second coupler half, wherein the coupler halves are shaped to fit flush together. Each coupler half is comprised of a tongue having a ball chamber which is located within one end of the tongue. The ball chamber movably houses a ball. The ball chamber has an opening located at one side. The tongue of one coupler half is configured to align with and fit flush against the other coupler half. The ball and ball chamber are configured such that when the coupler halves are fitted together the ball in at least one of the ball chambers will apply pressure to the respective tongue securing it therein. | 2022-08-11 |
20220252095 | LOCKING MECHANISM FOR FOLDING CHASSIS OF ELECTRIC CUTTING MACHINES - A locking mechanism for the folding chassis of electric cutting machines. The chassis ( | 2022-08-11 |
20220252096 | INSERT COUPLING - A system and process for removably, replaceably, and fixedly coupling a member to a structure without the need for adhesives or welding. The member is provided with an insert coupling that makes use of reciprocating catches in the mating region of the insert coupling. The reciprocating catches engage receiving features provided in a hollow end of the structures to couple the structure to the member via the insert coupling. The structure can be uncoupled from the member by disengaging the reciprocating catches of the insert coupling from the receiving features of the hollow end of the structure. | 2022-08-11 |
20220252097 | MOUNTING BRACKET - A mounting bracket for connecting two objects to one another. The mounting bracket includes an elongate protruding tongue element configured to be inserted in a cylindrical recess in one of the objects. The tongue element has one recess contacting side. A cross section of the tongue element on the recess contacting side is a circle sector with a radius, the other side of the tongue element being adapted to engage with a locking device. The locking device includes a cylinder and a lever connected to the cylinder. The cylinder is configured to be arranged in the recess adjacent the tongue element. The cylinder is configured to act as a cam when the cylinder is turned about its axis in the recess using the lever such that the cylinder is turned from a mounting position to a locking position in which a part of the locking surface pushes the tongue element such that the recess contacting side of the tongue element is in a pressing fit against the side of the recess. | 2022-08-11 |
20220252098 | GROMMET - A grommet has a body that includes a longitudinal axis and has a passageway therein. The grommet further includes a collar and a box prong. The collar extends from the body and away from the longitudinal axis. The box prong extends at least partially around the body. The grommet also includes a plurality of openings that extend through at least the box prong. | 2022-08-11 |
20220252099 | FASTENERS - A bolt including a torque section configured to self-release from a fastening tool upon reaching a threshold torque. | 2022-08-11 |