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36results about How to "Severe vibration" patented technology
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Spindle motor having a fluid dynamic bearing system
InactiveUS20070222314A1Improve tilt resistanceEliminate failure problemsMagnetic circuit rotating partsShaftsHard disc driveEngineering
The invention relates to a spindle motor having a fluid dynamic bearing system, used particularly for driving the storage disks of hard disk drives, having a baseplate, a stationary bearing bush disposed in an opening in the baseplate, a shaft rotatably supported in an axial bore in the bearing bush by means of the fluid dynamic bearing system, a hub connected to the shaft, and an electromagnetic drive system. The invention is characterized in that the shaft has a flange that is fixed in an opening in the hub and whose outside diameter is significantly larger than the smallest outside diameter of the shaft.
Owner:MINEBEA CO LTD
Shock-proof electric marine engine, e.g. engine or generator
InactiveUS7029339B2Severe vibrationAvoid timeOffensive equipmentVehicular energy storageEngineeringElectric generator
Owner:SIEMENS AG
Shock-proof electric marine engine, e.g. engine or generator
InactiveUS20050042944A1Free spaceRobust and shock-resistant configurationOffensive equipmentVehicular energy storageEngineeringElectric generator
The invention relates to a shock-proof electric marine engine e.g. an engine or generator, for a marine (Navy) ship, comprising a stator and a rotor in a housing, whereby the stator and the rotor are connected in such a way that they are rotatably displaceable in a counter direction and in a radial / axial manner with limited slack. Said rotor and stator form a displaceable unit in relation to the housing, which can be displaced away from the housing with a higher vibration overshoot range. Said housing is elastically connected to the marine(navy) ship.
Owner:SIEMENS AG
Unmanned aerial vehicle resistant to interference in hovering and control method
The invention relates to the field of unmanned aerial vehicles and provides an unmanned aerial vehicle resistant to interference in hovering and a control method. The unmanned aerial vehicle resistant to interference in hovering comprises a body and a master control unit in the body, auxiliary propellers and a wing gliding device are arranged around the body, the auxiliary propellers are controlled by the master control unit, and rotation planes of the auxiliary propellers are perpendicular to the horizontal plane and adjustable in direction. The wing gliding device is mounted on a driving device, the driving device operates to drive the wing gliding device to be in an expanding or folding state, and a sensing device is further mounted on the body. By addition of the auxiliary device to the unmanned aerial vehicle, strenuous vibration of the unmanned aerial vehicle in hovering is avoided, so that the unmanned aerial vehicle can be in a stable state. Therefore, the problem that the unmanned aerial vehicle is prone to vibration under influences of external environments is solved, and reliability of the unmanned aerial vehicle in hovering is improved.
Owner:湖南力翔智能科技有限公司
Method of vibration and extrusion for cast-in-place concrete in pile hole and its vibration rod device
InactiveCN1657710AReduce the impactLow powerBuilding material handlingBulkheads/pilesSteel tubeBearing capacity
A method for pouring concrete into pile hole and compressing and its vibrator are disclosed; including the following steps: (1) according to the work mode of concrete pile to choose the type of vibrator, use shape steel or steel pipe as the structural force-passing element; when there is mud staying in the upper part, use steel pipe; (2) pour concrete into the pile hole; (3) insert the vibrator into the concrete to vibrate and stress. The method suits for CFG pile dry work pouring pile method, wet work circulative pouring method and digging-drilling method etc.
Owner:北京市机械施工集团有限公司
Tea packaging device
The invention belongs to the field of tea processing, and particularly discloses a tea packaging device. The tea packaging device comprises a rack. The rack is provided with a stirring unit, a vibration unit and a packaging unit from top to bottom in sequence. The stirring unit comprises a stirring barrel fixed to the rack, an end face gear arranged on the inner wall of the stirring barrel and a first rotary shaft located below the end face gear. The end of the first rotary shaft is fixedly connected with a first gear engaged with the end face gear. The vibration unit comprises a first vibration plate and a second vibration plate. The first vibration plate and the second vibration plate are hinged to the two sides of the bottom of the stirring barrel respectively. Both the first vibrationplate and the second vibration plate are electric heating plates. The rack is rotationally connected with a sector gear. The end, away from a first connecting rod, of a second connecting rod is fixedto the end face of the sector gear. The packaging unit comprises a second rotary shaft rotationally connected to the rack. The packaging unit further comprises a conveyer belt used for transferring packaging boxes. By adopting the tea packaging device of the scheme, the problem that tea is not evenly heated when being dried is solved.
Owner:务川自治县鑫隆缘茶业有限责任公司
Microbubble synergistic dynamic experiment system based on double frequency superimposed ultrasonic pulse in viscoelastic medium and microbubble synergistic dynamic experiment method based on double frequency superimposed ultrasonic pulse in viscoelastic medium
ActiveCN110243454AImprove efficiencyImprove securitySubsonic/sonic/ultrasonic wave measurementDesign optimisation/simulationDynamic methodCavitation
The invention discloses a microbubble synergistic dynamic experiment system based on a double frequency superimposed ultrasonic pulse in a viscoelastic medium and a microbubble synergistic dynamic experiment method based on the double frequency superimposed ultrasonic pulse in the viscoelastic medium. The experiment method comprises the following steps 1) according to an actual waveform of a focal region sound field measured by a hydrophone, setting KZK equation parameters and establishing a microbubble nonlinear excitation waveform; 2) constructing a HIFU synergistic model according to viscoelasticity of a biological tissue and vibration characteristics of the microbubble in compressible fluid; 3) establishing a microbubble synergistic dynamic method based on double frequency superimposition; 4) in combination with simulation results of steps above, determining a HIFU waveform phase, sound pressure and frequency parameters to perform a thermal ablation or tissue damage experiment. According to the system and the method provided by the invention, the dynamic characteristics of the microbubble in the biological tissue are used fully to design the sound wave waveform and the phase parameter, maximum vibration of the microbubble is triggered at a focal region, a cavitation effect is enhanced, and safety and efficiency of HIFU thermal ablation and tissue damage are improved.
Owner:XI AN JIAOTONG UNIV
Working platform used for courtyard of super high-rise building
InactiveCN109336016ASevere vibrationImprove stabilitySafety devices for lifting equipmentsEngineeringTruck
The invention relates to the technical field of building construction, and discloses a working platform used for a courtyard of a super high-rise building. The working platform comprises a lift truck;the top of the lift truck is fixedly connected with the working platform through a lift; each of the side ends of the working platform is fixedly connected with a guard bar; the upper end of the working platform is fixedly connected with a motor; a lift board is arranged above the motor; threaded holes are symmetrically formed near the two ends of the lift board; two threaded rods are fixedly / rotatably connected with positions, corresponding to the threaded holes, on the upper end of the working platform symmetrically through two first bearings; the two first bearings are fixedly arranged atone end, near the lift board, of the working platform; the two threaded rods are opposite in thread direction; and one end, far away from the working platform, of each threaded rod passes through thecorresponding threaded hole and extends upwards. The working platform used for the courtyard of the super high-rise building can be finely adjusted in a small range without adjusting the lift truck, so that the phenomenon that violent vibration is brought to the working platform due to adjustment on the lift truck is avoided, and meanwhile, time is saved.
Owner:卓勇
Rare earth magnet having high strength and high electrical resistance
InactiveUS7919200B2High bonding strengthHigh strengthThin magnetic filmsInductances/transformers/magnets manufactureHigh intensityRare-earth magnet
This rare earth magnet having high strength and high electrical resistance has a structure including an R—Fe—B-based rare earth magnet particles 18 which are enclosed with a high strength and high electrical resistance composite layer 12. The high strength and high electrical resistance composite layer 12 is constituted from a glass-based layer 16 that has a structure comprising a glass phase or R oxide particles 13 dispersed in glass phase, and R oxide particle-based mixture layers 17 that are formed on both sides of the glass-based layer 16 and contain an R-rich alloy phase 14 which contains 50 atomic % or more of R in the grain boundary of the R oxide particles.
Owner:NISSAN MOTOR CO LTD
Disk drive motor
ActiveUS8836182B2Improve reliabilitySmall differenceRecord information storageStructural associationAdhesiveDrive motor
Owner:MINEBEAMITSUMI INC
Rare earth magnet having high strength and high electrical resistance
InactiveUS20110128106A1High bonding strengthHigh strengthPermanent magnetsThin magnetic filmsRare-earth elementRare-earth magnet
Owner:NISSAN MOTOR CO LTD
Hydraulic tensioner
A hydraulic tensioner comprises a tensioner shell, a plunger and a pressure release valve, wherein the tensioner shell is provided with a damping hole; the plunger is arranged in the damping hole; a pressure cavity is formed in the plunger; the plunger is suitable for moving and extending out along an axial direction of the damping hole to press a conveying chain or a conveying belt; the pressurerelease valve is arranged in the pressure cavity, and can be open to communicate the pressure cavity with the outside; the pressure release valve at least comprises two stages of pressure release mechanisms; and the pressure release mechanisms are suitable for being started under different pressures so as to adjust the tension of the plunger. By arrangement of the two stages of pressure release mechanisms, when the rotating speed of an engine is increased, a pressure medium in the pressure cavity can flow out to the outside gradually, thus, pressure intensity change in the pressure cavity cantend to be gentle, similarly, change of acting force applied to the conveying chain or the conveying belt also tends to be gentle, violent vibration of the conveying chain or the conveying belt cannotbe caused, and large influences to NVH performance of an automobile cannot be caused.
Owner:SCHAEFFLER TECH AG & CO KG
Solder wire preparation machine
ActiveCN107755923AEasy dischargeEasy injectionWelding/cutting media/materialsSoldering mediaHydraulic cylinderRosin
The invention relates to solder wire preparation equipment, in particular to a solder wire preparation machine. The solder wire preparation machine comprises a rosin treatment mechanism, an extrusionmechanism and a rosin pen communicating with the rosin treatment mechanism and the extrusion mechanism. The extrusion mechanism comprises a hydraulic cylinder for providing extrusion power, an extrusion rod for extruding a solder column and a solder wire mold for generating a solder wire; the rosin pen communicates with the solder wire mold; the rosin treatment mechanism comprises a fusion cylinder used for fusing rosin at a high temperature, an externally-connected tank communicating with the fusion cylinder, two liquid through pipes, one air through pipe, an internally-connected tank communicating with the rosin pen, and an air pump; the bottom of the fusion cylinder communicates with the bottom of the externally-connected tank through one liquid through pipe; the bottom of the externally-connected tank communicates with the bottom of the internally-connected tank through one liquid through pipe; an extraction opening of the air pump communicates with the top of the externally-connected tank; an air outlet of the air pump communicates with the top of the internally-connected tank; and an extraction opening is formed in the top of the externally-connected tank. The solder wire preparation machine can prepare the solder wire not provided with a hollow cavity.
Owner:GUANGDONG TIANGAO TECH CO LTD
Stable structure of main coolant pipeline of AP1000 nuclear power plant and vibration adjusting process thereof
ActiveCN110440057AVibration adjustmentSolve the problem of high vibrationPipe supportsNuclear energy generationStructural engineeringVibration Problem
The invention belongs to the technical field of a vibration adjusting process of a stable structure of a main coolant pipeline of an AP1000 nuclear power plant. By analyzing a vibration adjusting problem, the process comprises the following steps: S1, measuring and recording data before adjustment; S2, removing a rigid bracket: mounting a temporary support right above positions of pipelines mounted on an upper rigid bracket A, an upper rigid bracket B and a lower rigid bracket B, and matching with a hand pulled block to remove the rigid brackets synchronously; and S3, adjusting and back-mounting the brackets. Vibration of an ADS-4 grade pipeline is adjusted, so that the vibration problem of ADS-4 grade B / D column pipelines is solved.
Owner:SANMEN NUCLEAR POWER CO LTD
Water purifier and method for protecting water pump by using water purifier
ActiveCN112843851AAvoid burnsPrevent idling from burningMeasurement devicesWater/sewage treatment bu osmosis/dialysisFilter systemWater flow
The invention relates to a water purifier and a method for protecting a water pump by using the water purifier. The water purifier comprises a raw water barrel, a water suction pump, a filtering system and a control assembly, wherein a gas-water liquid level control tank is installed on a raw water pipe, raw water in the raw water barrel is sucked by the water suction pump and collected to the gas-water liquid level control tank, and then flows to the filtering system to be filtered to generate purified water, the generated purified water is discharged through a purified water pipe, the generated concentrated water flows back to the raw water barrel through a water return pipe, an inductive switch is arranged on the outer wall of the tank body of the gas-water liquid level control tank, and the control assembly is in control connection with the inductive switch, the water suction pump and the filtering system. The water purifier is matched with the water pump protection method, the gas-water liquid level control tank is utilized for collection and transfer, the water pump and the filtering system are protected by discharging bubbles, the service life of the water pump is prolonged, and the filtering system is prevented from making harsh noise and violent vibration during working.
Owner:SHENZHEN ROMER ENVIRONMENTAL ENG CO LTD
Control system for resonant mixer
ActiveCN109240148ASevere vibrationReduce power consumptionProgramme controlComputer controlMotor driveAutomatic control
The invention provides a control system for a resonant mixer. The control system comprises a controller, an operation board card, servo motor drive units and an acceleration sensor. The servo motor drive units are connected with servo motors of the resonant mixer. The acceleration sensor is placed at a load end of the resonant mixer. The servo motor drive units are used for sending states and angle values of the servo motors to the controller and controlling the servo motor to rotate according to control signals fed back by the controller. The controller is used for sending the states and angle values of the servo motors sent by the servo motor drive units and load acceleration measured by the acceleration sensor to the operation board card, generating the control signals according to motor angles and acceleration computed by the operation board card and sending the control signals to the servo motor drive units. According to the resonant mixer, in a mode of automatic control and keeping a material in a whole load container at a resonant state, the efficient, rapid and uniform mixing purpose with the lowest power consumption is achieved.
Owner:HUBEI HANGPENG CHEM POWER TECH +1
A stable structure of the main coolant pipeline of ap1000 nuclear power plant and its vibration adjustment process
ActiveCN110440057BVibration adjustmentSolve the problem of high vibrationPipe supportsNuclear energy generationNuclear plantNuclear engineering
The invention belongs to the technical field of a vibration adjusting process of a stable structure of a main coolant pipeline of an AP1000 nuclear power plant. By analyzing a vibration adjusting problem, the process comprises the following steps: S1, measuring and recording data before adjustment; S2, removing a rigid bracket: mounting a temporary support right above positions of pipelines mounted on an upper rigid bracket A, an upper rigid bracket B and a lower rigid bracket B, and matching with a hand pulled block to remove the rigid brackets synchronously; and S3, adjusting and back-mounting the brackets. Vibration of an ADS-4 grade pipeline is adjusted, so that the vibration problem of ADS-4 grade B / D column pipelines is solved.
Owner:SANMEN NUCLEAR POWER CO LTD
Ultrasonic exciting hydrogenation reactor
InactiveCN101579619AIncrease the gas-liquid contact areaHigh transmission speedEnergy based chemical/physical/physico-chemical processesChemical/physical/physico-chemical moving reactorsUltrasonic generatorProcess engineering
The invention relates to an ultrasonic exciting hydrogenation reactor, which comprises a reaction container and a hydrogen storage tank. The reaction container is arranged in a swinging cover, and the swinging cover is connected with a swinging mechanism; an adjusting valve and a pressure meter are connected between the reaction container and the hydrogen storage tank, the adjusting valve is respectively provided with an air inlet, an operating port and an exhaust port communicated with the hydrogen storage tank, the reaction container and the outside, and the pressure meter is communicated with an inner cavity of the adjusting valve; the reaction container is provided with a heating device and a temperature control device; and the bottom of the reaction container is provided with an ultrasonic vibrator, and the ultrasonic vibrator is in signal connection with an ultrasonic generator. The invention provides the ultrasonic hydrogenation reactor with high transfer efficiency, strong sealability and correct measurement.
Owner:ZHEJIANG UNIV OF TECH
Electric toothbrush
The invention provides an electric toothbrush. The electric toothbrush comprises a brush head and a brush body, the brush head comprises a brush head housing, a bristle tuft and an electrical component, the brush head housing encloses a hollow chamber, the hollow chamber of the brush head extends in the length direction of the electric toothbrush up to the position corresponding to the bristle tuft, the electric component is mounted on the position, corresponding to the bristle tuft, of the brush head housing in the longitudinal direction, the brush body can be detachably mounted on the position, in the hollow chamber of the brush head, of the brush head housing, and an electrically conductive assembly has an electrical connection position exposed to the brush body and the electrical connection position is located at one end of the brush body so that electrical connection with the electrical connection position within the hollow chamber of the brush head can be achieved; the brush bodyis partially installed in the hollow chamber of the brush head, the hollow chamber extends to a brush head cluster, the electrical component mounted on the brush head housing is electrically connected with the electrically conductive assembly mounted inside the brush body, and the electrically conductive assembly and the electrical component are connected in the length direction within the rangeof the bristle tuft. The structure of the brush head is simplified and the replacement cost is reduced.
Owner:慈溪赛嘉电子有限公司
Dehydration control method and device of washing machine, washing machine and storage medium
PendingCN114541085ASevere vibrationExtended service lifeControl devices for washing apparatusTextiles and paperLaundry washing machineProcess engineering
The invention discloses a dehydration control method and device of a washing machine, the washing machine and a storage medium. The dehydration control method of the washing machine comprises the steps that the load weight value and the eccentricity detection value of the washing machine are determined; when the load weight value is smaller than or equal to a preset load weight threshold value, a load weight interval where the load weight value is located is determined, and an eccentric protection value is determined according to the load weight interval where the load weight value is located; when the eccentricity detection value is smaller than or equal to the eccentricity protection value, the washing machine is controlled to execute dehydration action. According to the dehydration control method and device of the washing machine, the washing machine and the storage medium, severe vibration and large noise generated in the dehydration process of the washing machine due to uneven distribution of clothes can be prevented, and therefore the effects of prolonging the service life of the whole washing machine and improving the product use experience of a user are achieved.
Owner:GUANGDONG WELLING ELECTRIC MACHINE MFG
A motor with active cooling function
ActiveCN111654160BImprove cooling efficiencyEasy to cleanCooling/ventillation arrangementSupports/enclosures/casingsActive coolingDrive shaft
The invention discloses a motor with an active heat dissipation function, which includes a motor body, a motor shaft, and a U-shaped frame. In the present invention, the motor shaft penetrates into the inner cavity of the frame to install fan blade 2. Under the action of through hole 1, heat dissipation can be performed on the end of the motor, and the motor shaft, transmission shaft 1 and transmission shaft 2 are all driven by belt Connected, under the action of bevel gear 1 and bevel gear 2, the transmission shaft 3 drives the fan blade 3 to rotate, and under the action of the protective cover, copper pipe and wind cover, the heat dissipation can be carried out on both sides of the motor body, and the wind cover is in the shape of The arc shape is set, and heat dissipation can be carried out at multiple angles. Compared with the traditional heat dissipation device, it can effectively avoid the situation of more local heat and improve the heat dissipation efficiency. The copper tube and the airflow inside the copper tube cool down, making the heat dissipation efficiency better.
Owner:JIAMUSI ELECTRIC MACHINE
Rotating shaft with vibration reduction device
PendingCN112081893AAvoid affecting service lifeReduce vibrationGearingGearing detailsRotational axisDrive shaft
Owner:常熟市天博金属制品有限公司
Tin wire preparation machine
ActiveCN107755923BEasy dischargeEasy injectionWelding/cutting media/materialsSoldering mediaHydraulic cylinderAir pump
The invention relates to solder wire preparation equipment, in particular to a solder wire preparation machine. The solder wire preparation machine comprises a rosin treatment mechanism, an extrusionmechanism and a rosin pen communicating with the rosin treatment mechanism and the extrusion mechanism. The extrusion mechanism comprises a hydraulic cylinder for providing extrusion power, an extrusion rod for extruding a solder column and a solder wire mold for generating a solder wire; the rosin pen communicates with the solder wire mold; the rosin treatment mechanism comprises a fusion cylinder used for fusing rosin at a high temperature, an externally-connected tank communicating with the fusion cylinder, two liquid through pipes, one air through pipe, an internally-connected tank communicating with the rosin pen, and an air pump; the bottom of the fusion cylinder communicates with the bottom of the externally-connected tank through one liquid through pipe; the bottom of the externally-connected tank communicates with the bottom of the internally-connected tank through one liquid through pipe; an extraction opening of the air pump communicates with the top of the externally-connected tank; an air outlet of the air pump communicates with the top of the internally-connected tank; and an extraction opening is formed in the top of the externally-connected tank. The solder wire preparation machine can prepare the solder wire not provided with a hollow cavity.
Owner:GUANGDONG TIANGAO TECH CO LTD
Intelligent U-shaped conference table
ActiveCN112716153ARelieve fatigueSevere vibrationChiropractic devicesVibration massageElectric machineryWork unit
The invention relates to the technical field of conference tables, in particular to an intelligent U-shaped conference table, which comprises a working unit and an adjusting unit, the working unit comprises a U-shaped table body, a working computer, a seat, a working box and a functional control center, working positions are evenly arranged on the U-shaped table body, and the working positions are separated through supporting plates evenly arranged on the lower bottom face of the U-shaped table body. According to the invention, the face activity of a conference participant is captured through the information acquisition camera on the working computer, the face activity of the participant is transmitted to the intelligent control center, the fatigue degree of the conference participant is judged through the intelligent control center, and the motor is controlled to enable the foot rest lever to rotate and act on conference workers; meanwhile, the backrest is pushed through the second air cylinder, so that the conference worker is reminded, and fatigue of the conference worker is relieved.
Owner:CHUZHOU COUNTRY KING FURNITURE MFG
Steady pressure type high-capacity energy accumulator
The invention discloses a steady pressure type high-capacity energy accumulator. The steady pressure type high-capacity energy accumulator comprises a base, a cylinder body, an upper end cover provided with an air supplement device, a limiting assembly with a function of limiting the height of a fuel head, a single-way valve assembly with the function of opening a fuel way between a pressure gageand an energy storage cavity, an overflow valve assembly and the pressure gage. The upper surface of the base, the inner wall face of the cylinder body and the lower surface of the upper end cover form the energy storage cavity. The upper portion of the interior of the energy storage cavity is gas, and the lower portion is hydraulic oil. The limiting assembly is arranged on the portion, in the energy storage cavity, of the base. The steady pressure type high-capacity energy accumulator is simple in structure, can effectively utilize the space, reduces the diameter of the cylinder body of the energy accumulator, and simplifies the structural style of a traditional energy accumulator. Compared with an existing energy accumulator with the same capacity, the size of the steady pressure type high-capacity energy accumulator can be reduced by one quarter, thus the production and manufacturing cost is saved, and the reliability of the structure is improved. In the working process of the steady pressure type high-capacity energy accumulator, special hydraulic oil is not needed, therefore waste of the hydraulic oil cannot be generated, and the operation cost is saved. The steady pressure type high-capacity energy accumulator reduces the workload of maintenance in the later period.
Owner:张艳东
A Vibration Energy Harvesting Device Based on Piezoelectric Stack and Electromagnetic Induction
ActiveCN112532108BIncrease output powerImprove power efficiencyPiezoelectric/electrostriction/magnetostriction machinesDynamo-electric machinesCantilevered beamVibration amplitude
The invention discloses a vibration energy collection device based on piezoelectric stacking and electromagnetic induction. The device consists of a device base, a device frame, an amplitude amplification mechanism and an energy collection mechanism from bottom to top. The amplitude amplification mechanism includes a piezoelectric device and a magnet array. 1 and magnet array 2. The energy collection mechanism includes cantilever beams, magnet array 3, magnet array 4 and induction coils. Compared with other energy collection devices, this device utilizes vibration more fully and can obtain more The advantage of outputting energy.
Owner:SHANGHAI UNIV
Vibration energy collection device based on piezoelectric stack and electromagnetic induction
ActiveCN112532108AIncrease output powerImprove power efficiencyPiezoelectric/electrostriction/magnetostriction machinesDynamo-electric machinesCantilevered beamVibration amplitude
The invention discloses a vibration energy collection device based on piezoelectric stack and electromagnetic induction, and the device sequentially comprises a device pedestal, a device frame, an amplitude amplification mechanism and an energy collection mechanism from the bottom to the top, and the amplitude amplification mechanism comprises a piezoelectric device, a first magnet array and a second magnet array. The energy collection mechanism comprises a cantilever beam, a third magnet array, a fourth magnet array and an electric induction coil, and compared with other energy collection devices, the device has the advantages that vibration is more fully utilized, and more output energy can be obtained.
Owner:SHANGHAI UNIV
Microbubble synergistic dynamics experiment system and method based on dual-frequency superimposed ultrasonic pulses in viscoelastic media
ActiveCN110243454BSevere vibrationEfficient damageSubsonic/sonic/ultrasonic wave measurementDesign optimisation/simulationCavitationSound pressure
Owner:XI AN JIAOTONG UNIV
Vibration damping device for laundry treatment equipment and laundry treatment equipment
ActiveCN109423826BShake suppressionReduce vibration amplitudeOther washing machinesTextiles and paperLaundry washing machineStructural engineering
Owner:QINGDAO HAIER WASHING MASCH CO LTD +1
Low-pressure chamber with tsunami shelter function
InactiveUS20190194968A1Severe vibrationGood for healthPhotovoltaic supportsHuman health protectionPressure curveAir filter
To provide a low-pressure chamber with tsunami shelter function which can endure severe earthquake vibrations, endure a severe muddy stream of tsunami even when a great tsunami attacks, endure a strong impact of debris, be used to wait for rescue while drifting for a long time, and be used as a low-pressure chamber for maintaining and enhancing health in a normal time. A housing includes an air supplying nozzle, an air discharging nozzle, and a housing window in a side surface. The air discharging nozzle is sequentially connected by pipes from a side near the housing to an emergency shutdown valve, a check valve, and an air discharging unit which is used to discharge the air in the housing. The air supplying nozzle is sequentially connected by pipes from a side near the housing to an emergency shutdown valve, a main air filter, a preliminary air filter, and a pressure control valve. The air discharging unit is activated to open and close the pressure control valve while continuously discharging the air in the housing in order to control a pressure in the housing to be a desired pressure curve. An air tight door includes a door window, and a window glass provided in the housing window and a window glass of the door window provided in the air tight door are provided with a window glass protection unit to protect the window glass.
Owner:MIKI CORPORATION
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