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32results about How to "Eliminate running noise" patented technology
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Control apparatus for internal combustion engine
InactiveUS20070000478A1Suppress generationStable combustionElectrical controlDigital data processing detailsTransitional RegionIdle speed
An engine ECU executes a program including the steps of: detecting an engine speed NE, engine load, and engine coolant temperature (S100, S110, S115); when determination is made of being in an idle region (YES at S120), determining whether in a cold idle region, a transitional region, or a warm idle region (S130); injecting fuel from an intake manifold injector alone when in the cold idle region (S140); injecting fuel from the intake manifold injector and injecting fuel from an in-cylinder injector at the feed pressure when in the transitional region (S150); and injecting fuel from the in-cylinder injector at the feed pressure when in the warm idle region (S160).
Owner:TOYOTA JIDOSHA KK
Actuator apparatus of active accelerator pedal
ActiveUS20110260557A1Improve fuel efficiencyAccurate operationMechanical apparatusMagnetic circuit stationary partsDriver/operatorFuel efficiency
The present invention relates to an actuator apparatus of an active accelerator pedal, which can provide a driver with a pressing-force rise mode or a vibration mode in accordance with the operational condition of the accelerator pedal and the traveling condition of the vehicle; therefore, it is possible to improve fuel efficiency and also help safe traveling. An actuator apparatus of an active accelerator pedal of the present invention includes: an actuator housing fixed to a pedal arm housing; a stator fixed to the actuator housing and electromagnetized by current transmitted though the control of an ECU; a carrier having one end disposed in a stator and the other end disposed toward the pedal arm through the actuator housing, and applying pressing-force to the pedal arm while protruding from the stator when current is applied to the stator; and a position sensor disposed in the actuator housing and detecting the amount of rotation of the pedal arm to determine the amount of current applied to the stator through the control of the ECU.
Owner:DONG HEE IND
Quick assembling/disassembling structure for motor handle module of electrical gear box
InactiveUS20140224235A1Quick assembling/disassemblingEasy to replaceWeapon assembly/disassemblyFiring/trigger mechanismsCouplingEngineering
A quick assembling / disassembling structure for motor handle module of electrical gear box includes a firearm body having a trigger and sideways connected to a grip that forms a connection slot and a snap-fitting element rotatably mounted to the firearm body at a location adjacent one side of the trigger. The snap-fitting element has an end forming a snap-fitting section in retaining engagement with the connection slot. The firearm body forms a coupling section coupled with the grip and having inside surfaces forming a guide section. A connection section is coupled with the coupling section. A motor is provided with an elastic member. Pulling the snap-fitting element to move the snap-fitting section away from the connection slot of the grip releases the grip. In coupling the grip to the firearm body, the guide section helps reducing the interference between the gear mechanism so as to achieve easy replacement of components.
Owner:GUAY GUAY TRADING CO LTD
Noise-suppressing dishwasher
InactiveUS20080238274A1Noise minimizationEliminate running noiseTableware washing/rinsing machine detailsWash-standsEngineeringNoise minimization
Disclosed is a dishwasher that excludes operating noise transferred forwardly through a gap between a lower end of a main body and a mounting surface, thus minimizing noise perceived by a user. The dishwasher includes a main body provided with a washing chamber; and a front panel installed at a lower part of a front surface of the main body, and provided with a lower part covering a gap between the lower end of the main body and a mounting surface. The front panel includes a closure made of a flexible material connected to the lower part of the front panel.
Owner:SAMSUNG ELECTRONICS CO LTD
Control apparatus for internal combustion engine
InactiveUS7806104B2Suppress generationStable combustionElectrical controlDigital data processing detailsTransitional RegionCoolant temperature
An engine ECU executes a program including the steps of: detecting an engine speed NE, engine load, and engine coolant temperature (S100, S110, S115); when determination is made of being in an idle region (YES at S120), determining whether in a cold idle region, a transitional region, or a warm idle region (S130); injecting fuel from an intake manifold injector alone when in the cold idle region (S140); injecting fuel from the intake manifold injector and injecting fuel from an in-cylinder injector at the feed pressure when in the transitional region (S150); and injecting fuel from the in-cylinder injector at the feed pressure when in the warm idle region (S160).
Owner:TOYOTA JIDOSHA KK
Reclining apparatus for vehicle seat
ActiveUS20150084392A1Strong couplingHigh strengthMovable seatsCoupling strengthAutomotive engineering
Disclosed herein is a reclining apparatus for a vehicle seat that is capable of improving coupling strength and entire durability and removing operation noise by removing a clearance between components at the time of a reclining operation and is capable of decreasing a cost and a weight by decreasing an entire size.
Owner:HYUNDAI DYMOS
Actuator apparatus of active accelerator pedal
ActiveUS8378531B2Improve product reliabilityEliminate running noiseControlling membersMechanical apparatusPower flowFuel efficiency
The present invention relates to an actuator apparatus of an active accelerator pedal, which can provide a driver with a pressing-force rise mode or a vibration mode in accordance with the operational condition of the accelerator pedal and the traveling condition of the vehicle; therefore, it is possible to improve fuel efficiency and also help safe traveling. An actuator apparatus of an active accelerator pedal of the present invention includes: an actuator housing fixed to a pedal arm housing; a stator fixed to the actuator housing and electromagnetized by current transmitted though the control of an ECU; a carrier having one end disposed in a stator and the other end disposed toward the pedal arm through the actuator housing, and applying pressing-force to the pedal arm while protruding from the stator when current is applied to the stator; and a position sensor disposed in the actuator housing and detecting the amount of rotation of the pedal arm to determine the amount of current applied to the stator through the control of the ECU.
Owner:DONG HEE IND
Ink ribbon cartridge
InactiveUS20070077107A1Simplified assembly stepsReduce in quantityInk ribbon cartridgesPrinting mechanismsEngineeringMechanical engineering
An ink ribbon cartridge includes spools each including a ratchet gear in one end portion. A cartridge body includes integrally formed resilient engagement pieces each including a ratchet portion that engages and disengages the ratchet gear of the respective spool and a compressed portion that is compressed by a compressing portion of a thermal transfer printer apparatus. When the ink ribbon cartridge is installed in the thermal transfer printer apparatus, the resilient engagement pieces behave such that the compressed portions are compressed by the compressing portions of the thermal transfer printer apparatus. Thereby, engagement between the ratchet gears of the respective spools and the ratchet portions is released, and the spools become rotatable in the cartridge body.
Owner:SONY CORP
Electromechanical actuator and home automation installation comprising such an actuator
InactiveUS20150364969A1Reduce friction noiseReduce running noiseScreensDoor/window protective devicesSun protectionControl theory
An electromechanical actuator for a home automation closing or sun protection installation includes an electric motor, a reduction gear and a spring-operated brake (15), which includes a helical spring (22), a drum (23), an input member (24) and an output member (25). The drum (23) includes a housing (26). An inner friction surface (27) of the housing (26) of the drum (23) cooperates with at least one turn of the helical spring (22). The spring-operated brake (15) also includes at least one ring (50) positioned between an outer surface (51) of the input member (24) and / or the output member (25) and the inner friction surface (27) of the housing (26) of the drum (23). The home automation installation includes one such actuator.
Owner:SOMFY SAS
Watch Winder and Method of Winding a Watch
InactiveUS20180052427A1Eliminate running noiseOvercome deficienciesElectric windingRegulating apparatusSubject matterEngineering
A watch winder fully winds the watch main spring of various brands of automatic watches, avoiding wear and tear caused by excessive winding caused by prior art winders. In contrast with prior art watch winders, which wind watch main springs a predetermined number of turns, the inventive watch winder precisely detects a fully winded condition of the watch main spring, and stops winding. Prior art watch winders lack that sensing feature, so they continue winding fully winded watches until the predetermined number of turns has been completed. Additionally, the inventive watch winder eliminates the need to guess the number of turns and direction of rotation for different watches. The inventive subject matter further includes methods, which employ deviations in rotation speed to determine watch main spring winding states, such as under-winded, mid-winded, and fully-winded.
Owner:BOROZDIN VASILIY +1
Circuit for driving a stepper motor and method of controlling a stepper motor driver
InactiveUS6903531B2Eliminate running noiseGuaranteed uptimeComputer controlSimulator controlDriver circuitPwm signals
A driver circuit is provided for a stepper motor which utilizes a processor that outputs a PWM signal. The driver circuit includes an H-bridge circuit having first and second inputs, and a switching circuit having an input and an output. The first H-bridge input and the switching input connect to the PWM signal output from the processor, and the switching output connects to the second H-bridge input. The switching circuit performs an inversion of a duty cycle of the PWM signal when the PWM signal is present, and a non-inversion of the duty cycle when the PWM signal is not present.
Owner:ELECTRONIC THEATRE CONTROLS
High-low pressure dome type compressor
InactiveCN1518638AReduce noiseEliminate running noiseRotary/oscillating piston combinations for elastic fluidsPositive displacement pump componentsWorking fluidDrive motor
Formed in a scroll type compression mechanism (15) is a connection passageway (46) with a discharge opening (49) through which refrigerant compressed by the compression mechanism (15) flows out into a clearance space (18) defined between the compression mechanism (15) and a drive motor (16). A muffler space (45) in communication with the connection passageway (46) for reducing operating noise is formed in the compression mechanism (15). A motor cooling passageway (55) for circulation of working fluid which has flowed out into the clearance space (18) is formed between the drive motor (16) and an inner surface area of a casing (10). A guide plate (58) is disposed in the clearance space (18). Formed in the guide plate (58) is a flow dividing concave portion which causes a part of refrigerant flowing toward the motor cooling passageway (55) to be distributed in a circumferential direction and toward an internal end (36) of a discharge pipe (20) located in the clearance space (18).
Owner:DAIKIN IND LTD
Dust concentration detecting and sensing device
PendingCN104165831AExtended service lifeAccurate detectionParticle suspension analysisEngineeringHeat sensitive
The invention discloses a dust concentration detecting and sensing device which aims at solving the problems of potential safety hazards and low detection accuracy generated when a suction fan is adopted to suck dust gas into a detection bin. The dust concentration detecting and sensing device comprises a light projector, a photoelectric detecting converter and a detection bin, wherein the detection bin comprises an airflow passage which is through up and down and is arranged in the middle of a bin body; a light projector passage and a photoelectric detecting converter passage which extend inwards and intersect in the airflow passage are arranged on the two sides of the outlet of the airflow passage; the light projector passage is provided with one segment extending forwards to the surface of the bin body; an airflow passage extension tube with an upward opening is mounted at the outlet of the airflow passage, and a PTC ceramic thermistor heater is mounted outside the airflow passage extension tube; the photoelectric detecting converter is mounted at the inlet of the photoelectric detecting converter passage, and the light projector is mounted at the inlet of the light projector passage; a communicating tube with a downward opening is mounted at the outlet of the light projector passage, and a gas collection constant-current cover with a downward opening is mounted at the inlet of the airflow passage.
Owner:李勇
Variable intake device of engine
InactiveUS20130220261A1Increase productionWeight increaseCombustion enginesAir intakes for fuelEngineeringAir cleaners
A variable intake device of an engine may include an auxiliary intake duct that may be disposed with one end thereof inserted inside an air cleaner and sucks air, and a magnetic variable valve that may be disposed at the one end of the auxiliary intake duct positioned inside the air cleaner to selectively open or close the auxiliary intake duct so that as intake negative pressure increases, an open angle of the magnetic variable valve increases.
Owner:HYUNDAI MOTOR CO LTD
Learning device, controller, and control system
ActiveUS20180361576A1Eliminate running noiseEasy to controlProgramme-controlled manipulatorAdaptive controlLearning unitControl system
A controller has a state observation unit to acquire a present state of a robot as a state variable, a label data acquisition unit to acquire, as a label, a detected value of a force sensor attached to an arm and to detect necessary data for control of a pressing force, and a learning unit to generate a learning model indicative of the correlation between the state variable acquired in a no-load state and the label acquired under the state variable acquired in the no-load state and to estimate the detected value of the force sensor. The controller controls the pressing force by using the detected value of the force sensor acquired in the present state of the robot acquired in a loaded state and the detected value of the force sensor estimated by the learning unit based on the present state of the robot acquired in the loaded state.
Owner:FANUC LTD
Sampling needle driving mechanism for biochemical analyzer
InactiveCN101806673AImprove sampling accuracyGuaranteed stabilityWithdrawing sample devicesBiological testingInterference fitEngineering
The invention relates to the technical field of medical detection, in particular to a sampling needle driving mechanism. A mechanical mechanism part of the driving mechanism is reset to achieve high accuracy; the driving mechanism comprises a pedestal, at least two guide shafts, a vertical plate and a rocker arm driving slide block, wherein the vertical plate is arranged on one side of the pedestal; the two guide shafts are arranged on the pedestal at interval; the vertical plate and the guide shafts are parallel with each other and are vertical to the pedestal; the rocker arm driving slide block is provided with guide holes corresponding to the guide shafts; and the guide shafts are in interference fit with the guide holes, so the rocker arm driving slide block can slide along the guide shafts under the power action. In the further technical scheme, the guide shafts made of a special material are matched with a shaft sleeve, so that running noise is eliminated, cost is lowered and service cycle is prolonged.
Owner:深圳市普康电子有限公司
Braking apparatus and method for vehicle
ActiveUS20200055445A1Eliminate running noiseReduce manufacturing costPulse generatorBraking action transmissionVoltage referenceActuator
A braking apparatus for a vehicle may include: a pedal stroke sensing unit configured to sense a pedal stroke of a brake pedal, and output a pedal stroke signal; and a control unit configured to control a brake actuator for braking the vehicle, based on the pedal stroke signal inputted from the pedal stroke sensing unit, and output a ramp signal in which information on whether a braking action of the vehicle has been performed is reflected, based on a reference voltage signal which is preset to determine whether the brake pedal is stepped on and a voltage signal converted from the pedal stroke signal.
Owner:HYUNDAI MOBIS CO LTD
Processing method for gear of electric wheelchair
The invention discloses a processing method for a gear of an electric wheelchair. A wheel blank of the gear is formed by directly pressing an iron-based powder metallurgy material; the wheel blank subjected to pressing formation adopts a fine turning manner to process a datum hole and two positioning end faces and a key slot is drawn on the inner wall of the datum hole; and then the hobbing and gear shaving processing are carried out. According to the invention, the rough turning processing and the heat treatment hardening and tempering process of the gear blank are saved; the processing on a cavity with a complex shape and a lightening hole on the gear blank are abolished; the production process only comprises the steps of carrying out fine turning on a datum, drawing the key slot, carrying out hobbing, carrying out gear shaving and carrying out rustproof packaging; the cost is reduced; the production period is shortened; after the gear is subjected to shaping treatment under the conditions of the tooth profile of 0.005 to 0.008mm and the tooth direction of 0.017 to 0.023mm, the noise reaches a low noise range of 62dB per inch, the operating abnormal sound of the gear is completely eliminated and the qualified rate of the product is over 98.5%.
Owner:GUIZHOU QUNJIAN PRECISION MACHINERY
Reclining apparatus for vehicle seat
ActiveUS9682639B2Strong couplingHigh strengthMovable seatsUltimate tensile strengthCoupling strength
Disclosed herein is a reclining apparatus for a vehicle seat that is capable of improving coupling strength and entire durability and removing operation noise by removing a clearance between components at the time of a reclining operation and is capable of decreasing a cost and a weight by decreasing an entire size.
Owner:HYUNDAI DYMOS
Shift lever lock device for vehicular automatic transmission
InactiveUS20060005656A1Eliminate running noiseReduce loadGearing controlLimiting/preventing/returning movement of partsAutomatic transmissionElectrical and Electronics engineering
In association with a solenoidal coil 10 being energized to unlock a shift lever, a first movable core 9 and a second movable core 11 magnetically stick together so as to rotationally move in unison from an original position in which the first movable core 9 engages with the second movable core 11. Because the first movable core 9 and the second movable core 11 stick together before unlocking the shift lever, it is possible to avoid the first movable core 9 from hitting the second movable core 11 so as to eliminate an operational noise which would otherwise be produced by hitting the first movable core 9 against the second movable core 11. A lock plate 7 and a link plate 8 are rotatably provided around a rotational center 6 in relative to the solenoidal coil 10. This prevents the lock plate 7 and the link plate 8 from moving rotationally in unison with the solenoidal coil 10, thus enabling the lock plate 7 and the link plate 8 to a smooth and quick rotational movement.
Owner:HAMANAKODENSO
Shift lever lock device for vehicular automatic transmission
InactiveUS20070068305A1Eliminate running noiseReduce loadGearing controlLimiting/preventing/returning movement of partsAutomatic transmissionEngineering
Owner:HAMANAKODENSO
Silent operation control method of air conditioner
ActiveCN111397144AGood cooling and heating effectGuaranteed uptimeMechanical apparatusSpace heating and ventilation safety systemsThermodynamicsSystem pressure
The invention belongs to the technical field of heat exchange equipment, and particularly relates to a silent operation control method of an air conditioner. The method aims to solve the problems thatthe noise reduction effect of an existing physical noise reduction mode is not ideal, and the silent operation of the air conditioner is difficult to realize. According to the silent operation control method of the air conditioner, the preset silent pressure can be used as a comparison standard of the real-time system pressure of the air conditioner, so that the rotation speed of an outdoor fan of the air conditioner can be selectively reduced based on the specific difference value of the current system pressure and the preset silent pressure of the air conditioner, so that the air conditioner is prevented from operating at a fixed large rotation speed of the outdoor fan in the whole process of refrigerating / heating, most operation noise of the air conditioner is eliminated fundamentally,and the aim of quiet operation of the air conditioner is achieved.
Owner:QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +1
A split-type high-speed generator with position feedback
ActiveCN111293850BReduce volumeReduce weightMagnetic circuit rotating partsGas turbine plantsBrushless motorsReduction drive
The invention provides a split type high-speed starter-generator with position feedback which comprises a stator and a rotor. The stator and the rotor form a brushless motor; the stator is fixed at acasing spigot end of a micro-gas turbine; the front end of a rotating shaft of the rotor penetrates into the micro-gas turbine and is fixed by a bearing; the end part of the micro-gas turbine is fixedby a baffle around the rotating shaft; the rotating shaft and the baffle are matched to form a dynamic sealing structure; and the rotating shaft is butted with a transmission shaft of the micro-gas turbine to realize torque transmission. According to the invention, the volume and the weight of a starter-generator system are effectively reduced; the volume of the starter-generator of 1.6 kW in thetraditional scheme is reduced from phi 120 * 200 to phi 85 * 93, and the weight is reduced from 9.8 kg to 1.9 kg; speed reducers are omitted, and thus friction loss and operation noise between the speed reducers are eliminated; and the transmission efficiency is improved.
Owner:GUIZHOU AEROSPACE LINQUAN MOTOR CO LTD
Low-pressure air supply compensator structure of power plant boiler
InactiveCN105299682AExtended service lifeEliminate the effects ofAir/fuel supply for combustionEconomic benefitsEngineering
The invention discloses a low-pressure air supply compensator structure of a power plant boiler. The structure comprises a low-pressure fan, a first air supply pipe, a nonmetal compensator, a second air supply pipe and a boiler, wherein the low-pressure fan is connected to the first air supply pipe; the first air supply pipe is connected to the nonmetal compensator; the nonmetal compensator is connected to the second air supply pipe; the second air supply pipe is connected to a boiler; and a high-temperature resistant and corrosion resistant paint layer is coated on the inner wall of the nonmetal compensator. The structure adopts the nonmetal compensator, can eliminate the influence of the vibration of the low-pressure fan on the boiler, can eliminate the operation noise of pipes, can bear high temperature, prolongs the service life of the compensator, relieves the maintenance burden of a power plant, and is excellent in economic benefit.
Owner:江苏永昌膨胀节有限公司
Braking apparatus and method for vehicle
ActiveUS10926694B2Eliminate running noiseReduce manufacturing costPulse generatorBraking action transmissionVoltage referenceActuator
A braking apparatus for a vehicle may include: a pedal stroke sensing unit configured to sense a pedal stroke of a brake pedal, and output a pedal stroke signal; and a control unit configured to control a brake actuator for braking the vehicle, based on the pedal stroke signal inputted from the pedal stroke sensing unit, and output a ramp signal in which information on whether a braking action of the vehicle has been performed is reflected, based on a reference voltage signal which is preset to determine whether the brake pedal is stepped on and a voltage signal converted from the pedal stroke signal.
Owner:HYUNDAI MOBIS CO LTD
Automatic pushing-pulling device of overhead manned cable car
PendingCN107776584AResolve automatic teleportationImprove turnover efficiencyRope railwaysDrive wheelDrive shaft
The invention provides an automatic pushing-pulling device of an overhead manned cable car. The automatic pushing-pulling device comprises a guide part and at least one driving part, wherein the driving part comprises a driving wheel and tensioning resisting wheels arranged at two sides of the driving wheel; the driving wheel is arranged at one side of an upper-layer steel wire rope on the cable car; the two tensioning resisting wheels are arranged at the other side of the upper-layer steel wire rope; the driving wheel is connected with the guide part through a transmission shaft; the guide part comprises an arc-shaped paved rail adaptive to a corner radian; a machine head guide wheel and a machine tail guide tail wheel are arranged at two ends of the paved rail respectively; the driving wheel is connected with the machine head guide wheel or the machine tail guide tail wheel; a transmission belt is arranged between the machine head guide wheel and the machine tail guide tail wheel; aplurality of pulling claws are arranged at the outer side of the transmission belt.
Owner:TIANCHEN COAL MINE OF ZAOZHUANG MINING GRP
Learning device, controller, and control system
ActiveUS10730183B2Eliminate running noiseEasy to controlProgramme-controlled manipulatorAdaptive controlLearning unitControl system
Owner:FANUC LTD
Frequency conversion system of elevator
InactiveCN106487261AEliminate running noiseExtend your lifeAc-dc conversionBuilding liftsEnergy feedbackCapacitance
Provided in the invention is a frequency conversion system of an elevator. The frequency conversion system is composed of a three-phase power supply, a three-phase motor, an energy feedback device, a frequency converter, a control circuit, a bus capacitor and an energy consumption device. The frequency converter includes three first triodes and three second triodes. The energy feedback device feeds energy generated by braking of the three-phase motor back to the three-phase power supply. When the voltage of the bus capacitor exceeds a security value, the energy consumption device works. When power of an elevator is cut off and secure evacuation is carried out, the control circuit controls the three first triodes in the frequency converter to be disconnected and the three second triodes to be connected simultaneously, so that three input terminals of the three-phase motor are in a short-circuit mode. Therefore, functions of energy feedback and braking are integrated into one. Operation noises of the elevator can be eliminated; the service life of the product is prolonged and security of the product is improved; the size is reduced; and the cost is lowered.
Owner:G TECH CO LTD
Swing arm cam type two-stroke direct shaft internal combustion engine
ActiveCN110295996BImprove running stabilityEliminate running noiseValve drivesMachines/enginesInternal combustion engineCam
A swing arm cam type two-stroke straight-shaft internal combustion engine, which is a further improvement on the basis of the 346 swing arm two-stroke straight-shaft internal combustion engine. It consists of a single-track elliptical cam on the straight shaft and a single arc slide on the swing arm Coordination replaces the complex operation mode of 346 swing arm double rails connecting and cooperating with each other. The machine runs in continuous contact during one revolution, the operation stability of the machine is increased and the operation noise is completely eliminated. The manufacturing process of the core components of the machine is greatly simplified. The manufacturing cost is further greatly reduced, the force arm of the elliptical cam is further lengthened, and the mechanical efficiency is further improved. At the same time, for 4 models in the one-unit series and 3 models in the two-unit series, the improvement of the single-track elliptical cam and the single-arc slideway swing arm has been made. Compared with the internal combustion engine with the same volume crankshaft, the mechanical efficiency is increased by 3-6 times, and the weight of the machine body is reduced by 3-6 times.
Owner:郝凤成
Heat-sensitive ceramic heater assembly and its heater and mounting bracket
ActiveCN104797022BLess investmentStable productionHeater elementsHeating element shapesElectricityThermistor
Owner:WUXI GUOWEI CERAMIC ELECTRICAL APPLIANCES CO LTD
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