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36results about How to "Reducing vibration and noise" patented technology
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Electric power steering apparatus
InactiveUS6938722B2Reducing vibration and noiseInferior noiseGearingElectrical steeringElectric power steeringEngineering
Owner:KOYO SEIKO CO LTD +1
Shaft, bearing and motor
InactiveUS20050052088A1Reducing vibration and noiseSuppress feverPump componentsNanoinformaticsFiberCarbon nanofiber
The shaft and the bearing are capable of reducing vibration and noise of a motor. The shaft comprises: a shaft proper; and a sliding section provided to the shaft proper, the sliding section including carbon nano fibers or carbon nano tubes. On the other hand, the bearing comprises: a bearing proper; and a sliding section provided to the bearing proper, the sliding section including carbon nano fibers or carbon nano tubes.
Owner:SHINANO KENSHI
Linear guide device and rolling element accommodating belt for the same
ActiveUS20060159373A1Prevent strong forceEasy to mergeLinear bearingsBearing componentsLinearityMechanical engineering
Owner:NSK LTD
Jackhammer system
InactiveUS7059423B1Reduce vibrationReduce the soundStapling toolsReciprocating drilling machinesJackhammerEngineering
A jackhammer system for reducing the vibration and noise experienced by an operator of the jackhammer. The jackhammer system includes a housing, a chisel movably positioned within a lower neck of the housing, a pair of flywheels rotatably attached to a pair of support brackets, a ram slidably positioned within a guide channel and engageable by the flywheels to engage the chisel, a plurality of elastic members attached to the ram, and an actuator mechanically connected to the support brackets for controlling a position of the flywheels. An upper sensor and a lower sensor determine the position of the ram within the guide channel. An engaging plate supported by a plurality of compression springs receives the downwardly impact of the ram when driving the chisel downwardly. A recoil absorber having a recoil spring is attached to an upper portion of the housing for absorbing the recoil of the ram.
Owner:HOGGARTH DEVERNE
Smoke evacuation device
ActiveUS20190159830A1Reduce vibrationReduce noiseDiagnosticsSurgical instruments for heatingFilter mediaSurgical site
A smoke evacuation device that evacuates smoke from a surgical site and filters the smoke from the air. The smoke evacuation device can include a fluid trap for removing moisture from the smoke. The smoke evacuation device can also include a filter with a compression mechanism for compressing a filter medium. The smoke evacuation device can also include features for controlling flow parameters, noise, and vibrations of the device. A remote activation device can also be used to activate the smoke evacuation device upon detection of certain system parameters.
Owner:MEGADYNE MED PROD INC US
Electric power steering apparatus
InactiveUS20050189162A1Reduce vibrationReduce noiseGearingElectrical steeringElectric power steeringEngineering
An electric power steering apparatus comprises a speed reducing mechanism for decelerating the rotation of a rotatable shaft in an electric motor and a converting mechanism for converting the output rotation of the speed reducing mechanism into the axial movement of a steering shaft extending toward the right and left sides of a vehicle. The speed reducing mechanism comprises an input pulley driven by the electric motor, an output pulley arranged with the steering shaft enclosed thereby, a belt for connecting the input pulley and the output pulley to each other, and means for adjusting the tension of the belt.
Owner:JTEKT CORP +1
Water-lifting pump apparatus and method for controlling operation thereof
InactiveUS20070122290A1Easy to controlLow costPump componentsFlexible member pumpsCheck valveVALVE PORT
There are provided a water-lifting pump apparatus which is free of a discharge valve and a check valve, is low in cost, and is capable of reducing vibration and noise due to a waterfall after the end of water pumping operation, and a method of controlling operation of the water-lifting pump apparatus. The water-lifting pump apparatus has a suction tank (10), a discharge tank (20), a pump (30) for pumping water in the suction tank (10) into the discharge tank (20), and a discharge piping (50) connected to a discharge side of the pump, an actuating means (60) for actuating the pump (50), a reverse flow preventing mechanism (80) for preventing a reverse flow of water pumped into the discharge tank (20) toward the discharge piping (50), and a back flow rate control means (90) for controlling the flow rate of a waterfall falling from the discharge piping (50) into the suction tank (10) when pumping operation is finished.
Owner:EBARA CORP
Hermetic compressor casing
InactiveUS6872057B2Reducing vibration and noiseReduce the amount requiredPositive displacement pump componentsPiston pumpsRefrigerantEvaporator
A hermetic compressor casing is capable of reducing transmission of vibration to the outside environment by blocking the vibration from the compressor body. The hermetic compressor casing encloses a refrigerant compressing means, which draws in low temperature and low pressure gaseous refrigerant from an evaporator, compresses the drawn refrigerant and discharges the compressed refrigerant. The hermetic compressor casing includes an inner shell enclosing the refrigerant compressing means and having a passageway through which the gaseous refrigerant is drawn in and discharged out, a damping layer enclosing the exterior of the inner shell having a predetermined thickness, and an outer shell enclosing the exterior of the damping layer. As a result, vibration produced from the refrigerant compressing means is damped through the damping layer.
Owner:SAMSUNG GWANGJU ELECTRONICS CO LTD
Micro liquid cooling device
InactiveUS20060207752A1Reducing vibration and noiseImprove reliabilitySemiconductor/solid-state device detailsSolid-state devicesElectrical conductorEngineering
A micro liquid cooling device including a radiator, a thermal conductor, an actuator, and a circular path is proposed. The actuator includes a cavity sealed with a thin film, an inlet diffusion port connected to the cavity, an outlet diffusion port connected to the cavity, a magnetic body connected to the thin film, and a pole acting on the magnetic body, such that circulation of a liquid coolant in the circular path can be effected. By such design of the actuator, vibration and noise can be reduced and reliability can be improved, and thus problems caused by the use of a prior-art technique which employs a piezoelectric pump as an actuation source for the liquid coolant can be solved.
Owner:INVENTEC CORP
Electric power steering apparatus
InactiveUS20050192143A1Reduce vibrationReduce noiseGearingGearing controlElectric power steeringPulley
An electric power steering apparatus comprises a speed reducing mechanism for decelerating the rotation of a rotatable shaft in an electric motor and a converting mechanism for converting the output rotation of the speed reducing mechanism into the axial movement of a steering shaft extending toward the right and left sides of a vehicle. The speed reducing mechanism comprises an input pulley driven by the electric motor, an output pulley arranged with the steering shaft enclosed thereby, a belt for connecting the input pulley and the output pulley to each other, and means for adjusting the tension of the belt.
Owner:THE GATES CORP +1
Noise reduction motor and components for shredder
InactiveUS20080164354A1Reduce noise outputSuppress noiseGrain treatmentsAcoustic noise reductionGear wheel
The present invention relates generally to shredder noise reduction. Specifically, this invention discloses shredder motor gears and belts which are coated with a dampening material to reduce noise. When belt assemblies are used to couple the motor to the rotary cutting shafts, a pronounced decrease in noise is found. Additionally, the invention discloses the placement of vibration absorbers between the motor assembly and the shredder housing, as well as the rotary cutting assembly and shredder housing, thus further facilitating noise reduction.
Owner:HUANG SIMON
Hybrid car and control method of the same
InactiveUS7219497B2Reducing vibration and noiseAuxillary drivesElectrical controlHybrid carControl power
A hybrid car capable of stably ensuring the bad road running property, obtaining large acceleration in a satisfactory road surface state, and simultaneously when no large acceleration is required, running with fuel consumption kept unchanged is provided. The hybrid car is composed of an engine 1 for driving either of front wheels 2 and rear wheels 8, a generator 10 driven by the engine, a wheel driving motor 14 for driving engine non-driven wheels by power of the generator, a supercharger driving motor 1b for driving a supercharger 1a by the generator, a power distributor 12 adjusting power quantity for distributing the power from the generator to the supercharger motor and wheel driving motor, and a controller 7 for inputting information of wheel speed sensors 3a and 3b and controlling power distribution of the distributor.
Owner:HITACHI LTD
Air supply device and vehicle seat
InactiveUS20180170230A1Reduce noiseReduce vibrationPneumatic massageFlexible member pumpsReciprocating motionEngineering
Provided is an air supply device including a tubular member, a pump head, and a movable body. The pump head includes an air intake portion through which air flow into the tubular member and an air delivery portion through which the air flown into the tubular member is delivered to an airbag disposed in at least a seat back in a vehicle seat. The movable body is configured such that the tubular member is expanded and contracted, the air is flown into the tubular member from the air intake portion, and the air flown into the tubular member is delivered from the air delivery portion as a result of a reciprocating movement resulting from energization of a coil portion, the movable body approaching and moving away from the pump head during the reciprocating movement.
Owner:TOYOTA JIDOSHA KK
Rotary-type fluid machine
InactiveUS8323009B2Low production costPrevent rotationRotary/oscillating piston combinations for elastic fluidsEngine of arcuate-engagement typeDrive shaftPhase difference
A rotary-type fluid machine includes a compression mechanism having piston mechanisms arranged one on top of the other and a drive mechanism having a drive shaft that is configured and arranged to drive the piston mechanisms. Each of the two piston mechanisms includes a cylinder member with a cylinder chamber, a piston member housed eccentrically in the cylinder chamber such that the cylinder chamber is partitioned into first and second compression chambers. A phase difference of 90 degrees in volume change is made between the cylinder chambers of the two piston mechanisms. A movable one of the cylinder and piston has a first surface facing one of the first cylinder chambers and a second surface facing one of the second cylinder chambers, with a surface area of the first surface being equal to a surface area of the second surface.
Owner:DAIKIN IND LTD
Hyrbrid car and control method of the same
InactiveUS20060090466A1Reduce vibrationReduce noiseAuxillary drivesElectrical controlHybrid carControl power
A hybrid car capable of stably ensuring the bad road running property, obtaining large acceleration in a satisfactory road surface state, and simultaneously when no large acceleration is required, running with fuel consumption kept unchanged is provided. The hybrid car is composed of an engine 1 for driving either of front wheels 2 and rear wheels 8, a generator 10 driven by the engine, a wheel driving motor 14 for driving engine non-driven wheels by power of the generator, a supercharger driving motor 1b for driving a supercharger 1a by the generator, a power distributor 12 adjusting power quantity for distributing the power from the generator to the supercharger motor and wheel driving motor, and a controller 7 for inputting information of wheel speed sensors 3a and 3b and controlling power distribution of the distributor.
Owner:HITACHI LTD
Noise/vibration control using variable spring absorber
ActiveUS20190248221A1Reducing vibration and noiseReduce vibrationElectrical controlSpringsActive vibration controlPowertrain
Systems and methods are described for mitigating vehicle vibration through the control of a variable spring absorber that is part of a powertrain that includes the engine. In some such embodiments, an absorption frequency of the variable spring absorber is tuned in a feed forward manner based at least in part on the current engine speed and a factor indicative of the minimum repeating firing sequence cycle length associated with the current effective firing fraction (which in many implementations may be the denominator of the firing fraction).
Owner:TULA TECH INC
Rotary-type fluid machine
InactiveUS20100296959A1Reduce noiseReduce vibrationRotary/oscillating piston combinations for elastic fluidsEngine of arcuate-engagement typeDrive shaftPhase difference
A rotary-type fluid machine includes a compression mechanism having piston mechanisms arranged one on top of the other and a drive mechanism having a drive shaft that is configured and arranged to drive the piston mechanisms. Each of the two piston mechanisms includes a cylinder member with a cylinder chamber, a piston member housed eccentrically in the cylinder chamber such that the cylinder chamber is partitioned into first and second compression chambers. A phase difference of 90 degrees in volume change is made between the cylinder chambers of the two piston mechanisms. A movable one of the cylinder and piston has a first surface facing one of the first cylinder chambers and a second surface facing one of the second cylinder chambers, with a surface area of the first surface being equal to a surface area of the second surface.
Owner:DAIKIN IND LTD
Linear guide device and rolling element accommodating belt for the same
ActiveUS7419302B2Easy to mergeInhibit wearLinear bearingsBearing componentsEngineeringMechanical engineering
Owner:NSK LTD
Water-lifting pump apparatus and method for controlling operation thereof
InactiveUS7874809B2Low costReducing vibration and noisePump componentsPriming pumpActuatorCheck valve
Owner:EBARA CORP
Buffering Structure for Cargo Box Gate of Truck
InactiveUS20090261611A1Improve driving comfort performanceAvoid deformationPortable framesSuperstructure subunitsTruckMechanical engineering
A buffering structure for the side gates of a cargo box of a truck is disclosed. The buffering structure includes front and rear side gates pivotally mounted on each side of the cargo box, and a middle column interposed between the front side gate and the rear side gate. Buffer members are interposed between the middle column and the front and rear side gates to resiliently support the front and rear side gates. Since the buffer member for resiliently supporting the front and rear side gates is installed on the middle column of the cargo box, deformation of the side gates is prevented and thus the lifespan of the cargo box is extended. Also, the generation of vibration and noise by friction comfort is reduced to improve driving comfort, as well as the smooth opening and closing of the side gates.
Owner:HYUNDAI MOTOR CO LTD
Image reading device
ActiveUS20100157529A1Avoid introducingReducing vibration and noiseElectrographic process apparatusCooling/ventilation/heating modificationsEngineeringBody cooling
An image reading device, and more particularly an image reading device having a cooler capable of preventing introduction of impurities and reducing vibration and noise. The image reading device includes a body having a reading unit, and a cooler disposed in the body cooling the reading unit. The cooler includes a housing, a cooling unit disposed in the body and moving air into the body, a filter member disposed apart from the cooling unit and removing dust contained in the air, and a damper member having one side supported by the filter member and the other side supported by the cooling unit.
Owner:HEWLETT PACKARD DEV CO LP
Method of washing shoes in drum type washing machine
InactiveUS20090165219A1Efficient washingReduce vibrationOther washing machinesTextiles and paperProcess engineering
A method of washing shoes in a drum type washing machine includes a washing step of washing the shoes by supplying washing water to a tub and rotating a drum connected with a motor; a rinsing step of rinsing the shoes after the completion of the washing step; and a spin-drying step of spin-drying the shoes by rotating the drum alternately in left and right directions.
Owner:DAEWOO ELECTRONICS CO LTD
Structure for preventing vibration of solenoid valve
InactiveUS20180073657A1Reduce vibrationReduce noiseOperating means/releasing devices for valvesReactant parameters controlSolenoid valveEngineering
A structure for preventing vibration of a solenoid valve includes: a plunger which opens and closes a flow path by moving inside the solenoid valve; a yoke attached to an inner surface of a valve core; and a friction member disposed along an outer circumferential surface of the plunger between the plunger and the yoke, in which the friction member presses the yoke between the yoke and the plunger.
Owner:HYUNDAI MOTOR CO LTD
Noise reduction motor and components for shredder
InactiveUS20080164355A1Reduce noise outputSuppress noiseCocoaGrain treatmentsAcoustic noise reductionPulverizer
The present invention relates generally to shredder noise reduction. Specifically, this invention discloses shredder motor gears and belts which are coated with a dampening material to reduce noise. Additionally, the invention discloses the placement of vibration absorbers between the motor assembly and the shredder housing, as well as the rotary cutting assembly and shredder housing, thus further facilitating noise reduction.
Owner:WANG TIE CHUN
Display apparatus
ActiveUS20200344902A1Reducing vibration and noiseImproved space utilization and aestheticNon-rotating vibration suppressionCasings/cabinets/drawers detailsComputer hardwareElectric machine
Disclosed herein is a display apparatus including a display and a supporter. The supporter being mounted on the display and configured to support the display and rotate the display module between a first position and a second position. The supporter including a drive motor, a first gear, and a detection sensor. The drive motor configured to supply a driving force to rotate the display. The first gear configured to rotate together with the display by receiving the driving force from the drive motor. The detection sensor configured to detect a rotation amount of a second gear configured to rotate in with the first gear.
Owner:SAMSUNG ELECTRONICS CO LTD
Swash plate compressor
InactiveUS6912948B2Reduce wearReduce vibrationPositive displacement pump componentsMulti-stage pumpsDrive shaftReciprocating motion
A swash plate compressor comprises a swash plate rotated by a drive shaft and a piston that reciprocates in a cylinder bore by the rotation of the swash plate. The piston includes a tail and a pair of shoes retained in the tail. The shoes sandwich an outer periphery of the swash plate. Each shoe has a receiving face for receiving the outer periphery of the swash plate. A central point of the receiving face is located off a common plane including an axis of the piston and that of the drive shaft.
Owner:SANDEN CORP
Noise and vibration management for smoke evacuation system
ActiveUS20190162186A1Reducing vibration and noiseRelieve excessive resistance pressureMedical devicesRotary piston pumpsElectric machineEngineering
A system for noise and vibration management of a smoke evacuation system includes a pump that compresses air and produces a pressure differential within an airflow path. The pump may be a sealed, positive displacement pump. The system includes vibration absorption mechanisms disposed between inner and outer housings, as well as on the outside surface of the outer housing. Methods of controlling and regulating a motor of the system to preserve the lifespan of the motor and maintain consistent airflow rates throughout the smoke evacuation system include varying a supply of electrical current to the motor so that it can operate at variable performance levels. Orifices are opened and closed in order to relieve resistance pressures within the airflow path due to clogging and blockages.
Owner:MEGADYNE MED PROD INC US
Image reading device
ActiveUS8395895B2Avoid introducingReducing vibration and noiseElectrographic process apparatusCooling/ventilation/heating modificationsEngineeringBody cooling
An image reading device, and more particularly an image reading device having a cooler capable of preventing introduction of impurities and reducing vibration and noise. The image reading device includes a body having a reading unit, and a cooler disposed in the body cooling the reading unit. The cooler includes a housing, a cooling unit disposed in the body and moving air into the body, a filter member disposed apart from the cooling unit and removing dust contained in the air, and a damper member having one side supported by the filter member and the other side supported by the cooling unit.
Owner:HEWLETT PACKARD DEV CO LP
Bar feeder
InactiveUS7343839B2Reducing vibration and noiseReduce riskLathesAutomatic conveying/guiding stockRotational axisEngineering
Owner:BARLOAD MACHINE
Motor-operated fan for air cushion table
A motor-operated fan includes a housing, a motor secured in the housing, and an impeller rotatably mounted on the housing and rotated by the motor. Thus, the impeller has a plurality of blades and a plurality of auxiliary blades to produce a larger air flow when the impeller is rotated so as to push a ball located above the air cushion table, so that the ball is moved above the air cushion table in an irregular manner at a higher speed, thereby providing an amusement playing effect for players.
Owner:HOU CHIN JUNG
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