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74results about How to "Rapid vibration" patented technology
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Instrument For Applying Vibrations To The Human Body
ActiveUS20110054367A1Light weightMore compactChiropractic devicesVibration massageHuman bodyReciprocating motion
An instrument for applying vibrations to the human body is disclosed, comprising a housing in which an axially movable ram is arranged at the distal end, and a drive device for the ram, for setting the ram in a reciprocating motion, wherein the drive device comprises an axially movable projectile arranged proximally of the ram and an accelerating device for the projectile for accelerating the projectile distally in the direction of the ram, the ram being able to execute a stroke of at least 1 mm.
Owner:STORZ MEDICAL
Instrument for applying vibrations to the human body
InactiveUS20060025710A1Vibration is generatedLight weightSurgeryChiropractic devicesHuman bodyReciprocating motion
An instrument for applying vibrations to the human body is disclosed, comprising a housing in which an axially movable ram is arranged at the distal end, and a drive device for the ram, for setting the ram in a reciprocating motion, wherein the drive device comprises an axially movable projectile arranged proximally of the ram and an accelerating device for the projectile for accelerating the projectile distally in the direction of the ram, the ram being able to execute a stroke of at least 1 mm.
Owner:STORZ MEDICAL
Drive-control system of electromotive vehicle and drive-control-method of electromotive vehicle
ActiveUS7357204B2Reduce vibrationAvoid discomfortHybrid vehiclesDigital data processing detailsControl systemAutomotive engineering
A drive-control-system of electromotive vehicle and drive-control-method of an electromotive vehicle. A system has a condition-determination-process unit that reads a vibration index as a factor causing vibration in the vehicle-drive-system, and determines whether a damping-control-starting-condition is established based on the vibration index, and a damping-control-process unit that performs a damping control process such that a variable of vibration generation is reduced when the damping-control-starting-condition is established.
Owner:AISIN AW CO LTD
Drive-control-system of electromotive vehicle and drive-control-method of electromotive vehicle
ActiveUS20050167170A1Fast decayReduce variablesHybrid vehiclesDigital data processing detailsAutomotive engineeringControl system
A drive-control-system of electromotive vehicle and drive-control-method of an electromotive vehicle. A system has a condition-determination-process unit that reads a vibration index as a factor causing vibration in the vehicle-drive-system, and determines whether a damping-control-starting-condition is established based on the vibration index, and a damping-control-process unit that performs a damping control process such that a variable of vibration generation is reduced when the damping-control-starting-condition is established.
Owner:AISIN AW CO LTD
Automatic digging and soil burying machine for planting garden tree seedlings
InactiveCN106717315ANo manual operationImprove work efficiencyPlantingFurrow making/coveringSoil propertiesWorking environment
The invention relates to an automatic digging and soil burying machine for planting garden tree seedlings. The automatic digging and soil burying machine comprises a bottom plate, wherein an annular opening structure is arranged at the middle of the bottom plate, two soil burying mechanisms are installed at the lower end of the bottom plate, two electric push rods are symmetrically installed on an upper end of the bottom plate, the top ends of the two electric push rods are installed on a driving mechanism through flanges, a connecting frame is installed at the lower end of the driving mechanism, a converting mechanism is installed on the connecting frame, a first drill stem is installed at the upper end of the converting mechanism, a second drill stem is installed at the lower end of the converting mechanism, a third drill stem is installed at the right end of the converting mechanism, and two spacing branched chains are arranged on the converting mechanism. The automatic digging and soil burying machine provided by the invention can solve the problems in the existing tree seedling planting process that the drill stem of the digging machine needs to be manually replaced in a working environment with different soil properties, the operations are complex, the manual soil burying labor intensity is high and the planting efficiency is low, can automatically convert the drill stems and realize a mechanical soil burying function, and has the advantages of being simple in operation, high in working efficiency, etc.
Owner:高雅
Semi-coaxial optical path receiving laser radar system
ActiveCN109709572AGuarantee authenticityHigh measurement accuracyElectromagnetic wave reradiationRadar systemsImage resolution
The invention, which belongs to the field of the laser radar optical design system, provides a semi-coaxial optical path receiving laser radar system comprising a laser emitting module, a galvanometerscanning module and a laser receiving module. The galvanometer scanning module includes a first one-dimensional MEMS galvanometer, a second two-dimensional MEMS galvanometer and a reflective opticalelement; the scanning direction of the first one-dimensional MEMS galvanometer is perpendicular to the scanning direction of the second one-dimensional MEMS galvanometer; and the scanning mirror areaof the first one-dimensional MEMS galvanometer is smaller than that of the second one-dimensional MEMS galvanometer. The laser emitting module emits shaped pulsed laser; and the emitted laser passes through the first one-dimensional MEMS galvanometer and the second one-dimensional MEMS galvanometer to realize two-dimensional area array scanning; and a scattered echo signal is reflected by the second one-dimensional MEMS galvanometer and the reflective optical element and then returns to the laser receiving module. Therefore, a conflict problem between the echo energy and measurement accuracy is solved; the high resolution is realized in the process of testing people or objects ahead; and the authenticity of test results is guaranteed to the greatest extent.
Owner:XI AN ZHISENSOR TECH CO LTD
Roller washing machine dewatering control method based on eccentricity judgment of 3D displacement sensor
ActiveCN105624972ARapid vibrationReal-time feedbackControl devices for washing apparatusTextiles and paperControl theory
The invention provides a roller washing machine dewatering control method based on eccentricity judgment of a 3D displacement sensor. In the method, the vibration displacement amount of an outer tub in the dewatering process is detected through the 3D displacement sensor on the outer tub in real time, the eccentricity position of a dewatering inner tube is judged according to the vibration situation of the outer tub, and the dewatering curve is adjusted. By judging the eccentricity position and adjusting the dewatering control scheme, the washing machine is effectively prevented from tub hitting, vibration, large noise and other problems, and the performance of the whole machine is improved on the aspects of noise, vibration, safety, service life and the like.
Owner:WHIRLPOOL CHINA
Piezoelectric foaming pump
A piezoelectric foaming pump is provided herein. The piezoelectric foaming pump includes a housing having a first opening for receiving a liquid from a liquid container and a piezoelectric element secured to the housing. The piezoelectric element includes a plurality of holes there through. In addition, the housing includes an air inlet. Although the piezoelectric element has holes there through, prior to activating the piezoelectric element, liquid does not pass through the plurality of holes. When the piezoelectric element is energized, liquid passes through the plurality of holes due to the rapid vibration of the piezoelectric element and is dispensed as a foam. Additionally, a piezoelectric foaming pump having a fluid pump chamber; an air pump chamber; a mixing chamber; a piezoelectric element; and an outlet nozzle is disclosed herein. During operation, fluid pumped from the fluid chamber mixes with air pumped from an air chamber in the mixing chamber and the resulting mixture is passed through the piezoelectric element and dispensed out of a nozzle.
Owner:GOJO IND INC
Bow
Provided is bow including: a handle; a pair of wings; and a bow string, wherein a coupling pin is formed in a rear side of one end of each wing coupled to the handle, and a fitting groove is formed at one end of each wing, wherein a coupling groove into which the coupling pin of each wing is coupled is formed at one end of the handle, and a fixing pin that is inserted into the fitting groove of each wing is formed at the one end of the handle, and wherein a buffer pin member that is configured to include a pin member that is inserted into an insertion hole formed in each wing and coupled to the handle and a first cushioning member that is formed between a front end of the pin member and each wing, is provided at each end of the handle.
Owner:WIN & WIN
Van-type filter press for preventing mud cake from sticking to filter cloth and method for separating from mud cake
PendingCN110624289AGuaranteed filtering effectAvoid manual cleaningFiltration separationVibration amplitudePull force
The invention relates to the technical field of van filter press, in particular to a van-type filter press for preventing mud cake from sticking to filter cloth and a method for separating from mud cake. The press comprises a frame, the upper end of the filter cloth is fixed under the action of the force plate, the upper end of the filter cloth can be driven away from the filter plate through thestress plate, at the same time, under the mutual cooperating of the elastic force of the tension spring, the stress plate can be driven to vibrate, and the stress plate can drive the filter cloth to vibrate, so that the mud cake remaining on the filter cloth, which is difficult to fall off, can be vibrated and separated, and at the same time, the sludge remaining in the gap of the filter cloth canbe vibrated to fall off, so as to ensure the filtering effect of the filter cloth; under the action of the vibration pressing plate, the stress plate can be quickly pushed, so that the tension springgenerates vibration with larger amplitude, which is beneficial to improving the vibration amplitude of the filter cloth, thus ensuring that the residual mud cake on the filter cloth can fall down, thus reducing and avoiding manual cleaning of the mud cake, effectively reducing the manual workload, and increasing the efficiency of filtering sludge.
Owner:泉州绿拓智能环保设备有限公司
Powder electromagnetic separator
InactiveCN107234001AQuick NestImprove processing efficiencyMagnetic separationIron powderMagnetic media
The invention discloses a powder electromagnetic separator, which comprises a bottom frame, an oil tank, a heat exchanger and an oil pump arranged on the bottom frame, an electromagnetic coil arranged in the oil tank, an iron removal cylinder vertically penetrating the oil tank, and an iron removal cylinder arranged in the oil removal tank. The vibration device on the side wall of the iron cylinder, and the unloading device arranged at the bottom of the iron removal cylinder; several pieces of magnetic nets are stacked in the inner cavity of the iron removal cylinder; the oil tank, oil pump and heat exchanger pass through the oil pipe Loop connections. The powder electromagnetic separator provided by the invention improves the iron removal efficiency and quality of the powder, and can effectively remove the heat generated by the electromagnetic coil during operation.
Owner:佛山市高明星诺机械设备有限公司
Electron beam writing method, fine pattern writing system, method for manufacturing uneven pattern carrying substrate, and method for manufacturing magnetic disk medium
InactiveUS20090140163A1Increase flexibilityImprove accuracyParticle separator tubesNanoinformaticsResistRotary stage
When writing elements of a fine pattern on a substrate applied with a resist by scanning an electron beam on the substrate, the electron beam is scan controlled so as to completely fill the shape of each of the elements by vibrating the electron beam rapidly in a radius direction of the rotation stage and at the same time deflecting in a direction orthogonal to the radius direction of the rotation stage faster than a rotational speed thereof, thereby sequentially writing the elements.
Owner:FUJIFILM CORP
All-dimensional full-automatic mouth-holding type intelligent toothbrush head integrating brushing and caring
The invention discloses an all-dimensional full-automatic mouth-holding type intelligent toothbrush head integrating brushing and caring, which comprises a tooth socket body and a sound wave motor. Grooves are arranged on two sides of the tooth socket body; one ends of the grooves extend to an inner cavity of the tooth socket body; first soft bristles are arranged on two side walls of the grooves;a soft brush plate is arranged on one side surface of the tooth socket body; one side of the soft brush plate penetrates through the tooth socket body and extends to one side of an outer wall of thetooth socket body; a connecting ring is fixedly arranged on one end of the tooth socket body. According to the all-dimensional full-automatic mouth-holding type intelligent toothbrush head integratingbrushing and caring provided by the invention, the tooth socket body and the grooves are arranged in 'U' shapes conforming to human oral cavity engineering, top ends of the first soft bristles and second soft bristles are rounded, and the first soft bristles and the tooth socket body are arranged at an inclined angle so as to go deep to fit a tooth surface, so that teeth can be more effectively cleaned, off-flavor bacteria on a tongue appearance are removed, both hands are free, a hairbrush can be quickly vibrated, the living efficiency is improved, complete health care is brought for the teeth while tooth brushing, gums are deeply massaged, and the teeth are whitened.
Owner:BAIRUI ORAL CARE ZHUHAI CO LTD
Device for the quick vibration of tubes containing, in particular, biological samples
InactiveUS8834010B2Increase stiffnessSimple and effective and inexpensiveShaking/oscillating/vibrating mixersTransportation and packagingBiological pumpEngineering
An appliance for rapidly vibrating test tubes containing samples to be ground up, the appliance comprising an electric motor (12) for driving rotation of a disk (16) that is provided with an eccentric pin (17), the appliance being characterized in that the test tubes (23) are perpendicular to the eccentric pin and are held by a clamp (21) mounted on a support (20) that is substantially parallel to the eccentric pin, being connected to a fixed baseplate via a Cardan type hinge (15) having two mutually perpendicular axes of rotation (X and Y), one of which axes (Y) is substantially parallel to the eccentric pin (17) and connects the support (20) to the other axis (X) of the hinge (15) that prevents the support (20) from moving in rotation about a perpendicular axis (Z). The support (20) is connected to the eccentric pin (17) by a link (19).
Owner:BERTIN TECHNOLOGIES
Automated tea sifting and air-drying device
InactiveCN106962513ASmooth movementNo manual operationSievingPre-extraction tea treatmentAgricultural engineeringRainy weather
The invention relates to an equipment for automatic screening and air-drying of tea, which comprises a bottom plate, four universal wheels are symmetrically installed on the lower end of the bottom plate, push handles are installed on the rear side of the bottom plate, and two lateral moving mechanisms are symmetrically installed on the left and right sides of the bottom plate. The push mechanism is installed on the upper end of the two lateral movement mechanisms, the screening and collection mechanism is installed on the left side of the bottom plate, and the air drying mechanism is installed on the right side of the bottom plate. The air drying mechanism can quickly dry the tea leaves. Mechanism and air-drying mechanism cooperate to complete the tea automatic screening and air-drying process. The invention can solve the problem of manual extraction of the drying sieve on the shelf in the process of tea screening and sun drying, which requires manual screening of impurities in the tea leaves, low screening efficiency, high labor intensity, long time-consuming natural air-drying of tea leaves, and cloudy and rainy weather. The functions of automatic screening and air-drying of tea can be realized for problems such as not being able to dry green.
Owner:谢秋晨
Posture training device having multiple sensitivity levels and both positive and negative feedback
InactiveUS20140152443A1Guaranteed accuracyReduce relative motionDiagnostic recording/measuringSensorsNegative feedbackEngineering
A posture training device is immovably attached to a user's chest. On the exterior of the device, there are three LEDs, an ON / OFF button and a selector button. When the ON / OFF button is first pressed, the device boots to the ON state. A sensitivity level, indicated by one of the LEDs, is selected by momentarily pressing the selector button one to three times. A user presses and holds the central selector button, while standing or sitting in a desired posture position until he feels a vibration. The device locks on to the selected position one second after selector button release. Vibrational negative feedback is provided whenever the user slumps or slouches outside the limits permitted by the chosen sensitivity level. Vibrational positive feedback is provided when correct posture is reestablished. When the ON / OFF button is pressed again, the device shuts OFF.
Owner:CAMMANS GARRETT L +2
Belt conveying system for transportation of bulk materials
The invention discloses a belt conveying system for transportation of bulk materials, and belongs to the field of conveyers. The belt conveying system comprises a rack, and a driving head wheel and a driving tail wheel are arranged at the two ends of the rack respectively; a conveyer belt coats the driving head wheel and the driving tail wheel and conveys the materials around the driving head wheel and the driving tail wheel; the upper layer conveyer belt is supported by top carrier rollers; the lower layer conveyer belt is supported by bottom carrier rollers; the top carrier rollers comprise fixed carrier rollers and movable carrier rollers; a sweeper is arranged above the lower layer conveyer belt; the materials conveyed by the conveyer belt are collected by a material mover; and a primary material arranging device and a secondary material arranging device are sequentially arranged in the transportation direction of the material mover. According to the belt conveying system, flying dust can be decreased, the production environment is improved, material transportation efficiency is improved, and efficient and stable operation of the conveyers is guaranteed.
Owner:ANHUI TAIFU HEAVY IND MFG CO LTD
Acoustic sensor with a diaphragm made of a composite fiber material
ActiveCN104603870AEasy to manufactureBest working rangeSound producing devicesAcoustic wave reradiationEngineeringFibrous composites
The invention relates to an acoustic sensor (10) comprising a diaphragm (12) which can oscillate and which has a converter element (16) and comprising a sensor housing (14), wherein the diaphragm (12) is fabricated from a composite fibre material and is connected as a separate component to the sensor housing (14). The invention also relates to a use of the acoustic sensor (10) and to a method for manufacturing same.
Owner:ROBERT BOSCH GMBH
Magnetic liquid damping shock absorber based on first-order and second-order buoyancy principles
ActiveCN112196927AResponsiveFast dissipationMagnetic springsShock absorbersMagnetic liquidsCondensed matter physics
The invention provides a magnetic liquid damping shock absorber based on first-order and second-order buoyancy principles. The magnetic liquid damping shock absorber comprises a shell, a first permanent magnet, a second permanent magnet, a non-magnetic shell, a suspension permanent magnet, first magnetic liquid and second magnetic liquid. A first closed cavity is defined by the shell. The first permanent magnet and the second permanent magnet are both arranged on the shell. The non-magnetic shell is located in the first closed cavity; a second closed cavity is defined by the non-magnetic shell; and a first magnetic liquid cavity is defined between the non-magnetic shell and the shell. The suspension permanent magnet is located in the second closed cavity; and a second magnetic liquid cavity is defined between the suspension permanent magnet and the non-magnetic shell. A part of the first magnetic liquid cavity is filled with the first magnetic liquid; and a part of the second magneticliquid cavity is filled with the second magnetic liquid. The magnetic liquid damping shock absorber provided by the embodiment of the invention has the beneficial effects of being excellent in shock absorption effect and more sensitive in response to small-amplitude and low-frequency vibration.
Owner:TSINGHUA UNIV
System and method for removing foam of desulfurization slurry tank by ultrasonic waves
InactiveCN106139650ARapid vibrationQuick compressionGas treatmentDispersed particle separationHigh energyEngineering
The invention provides a system and method for removing foam of a desulfurization slurry tank by ultrasonic waves, aiming at effectively removing the foam generated by desulfurization slurry under the condition that the composition of the desulfurization slurry is not influenced. The system comprises a desulfurization tower in a wet-process desulfurization system, a plurality of ultrasonic generators arranged on a side wall of the desulfurization tower and an ultrasonic controller for controlling the ultrasonic generators; transmitting terminals of the ultrasonic generators are aligned to the foam of the slurry tank; and control terminals of the ultrasonic generators are connected with an output terminal of the ultrasonic controller. According to the method provided by the invention, the foam on a liquid level of the slurry tank in the wet-process desulfurization system is vibrated and compressed by adopting ultrasonic waves, so that the foams are broken and the removal of the foam is realized. The large-power ultrasonic generators are additionally arranged on the side wall of the desulfurization tower in the wet-process desulfurization system so that high-power and high-energy sound waves are generated; the foam can be vibrated and is subjected to a great sound pressure action; the sound waves are used for rapidly vibrating and compressing the foam so that the foam is broken; and finally, the aims of removing the foam and improving the desulfurization efficiency are realized.
Owner:XIAN THERMAL POWER RES INST CO LTD
Stirring system used during building solid waste recycling
The invention discloses a stirring system used during building solid waste recycling. The system involves a box body, wherein a mounting opening is formed in the center of the top of the box body, discharging valves are fixed to the positions, located on the two sides of the mounting opening, of the top of the box body through flanges, stirring funnels are fixed to the tops of the discharging valves through flanges, and a plurality of uniformly distributed fixed blades are symmetrically welded on the inner wall of each stirring funnel in the horizontal direction. According to the system, building solid wastes are heated and dried through electric heating wires, and thus stirring is further facilitated, the caking phenomenon is prevented, the process is simplified through combined use of crushing, stirring and drying, and the working efficiency is greatly improved; flying dust generated in the stirring process can be removed through an air suction pump, and environment pollution is avoided; the smashed wastes can be separated and collected through combination of a vibration motor and three layers of filter screens; and meanwhile, rapid vibration discharging can be achieved, the workefficiency of a device is improved, and the device blockage phenomenon is avoided.
Owner:嘉善县鸿翔资源再生利用有限公司
Bow
Provided is bow including: a handle; a pair of wings; and a bow string, wherein a coupling pin is formed in a rear side of one end of each wing coupled to the handle, and a fitting groove is formed at one end of each wing, wherein a coupling groove into which the coupling pin of each wing is coupled is formed at one end of the handle, and a fixing pin that is inserted into the fitting groove of each wing is formed at the one end of the handle, and wherein a buffer pin member that is configured to include a pin member that is inserted into an insertion hole formed in each wing and coupled to the handle and a first cushioning member that is formed between a front end of the pin member and each wing, is provided at each end of the handle.
Owner:WIN & WIN
Rice processing equipment capable of accurately controlling rice processing amount
InactiveCN112547495ARapid vibrationEasy to distinguishSievingScreeningAgricultural engineeringElectric machinery
The invention discloses rice processing equipment capable of accurately controlling the rice processing amount, and belongs to the field of rice processing equipment. The rice processing equipment comprises a device body, the device body comprises a box body, a feeding port, a control box and a processing device, the feeding port is formed in one side of the top end of the box body, the control box is arranged on the other side of the top end of the box body, and the processing device is arranged in the box body. A box door is movably arranged on the side face of one end of the box body, a first rotating motor is fixed to the side wall of the right end of the box body, a conveying shaft is fixedly welded to the output end of the first rotating motor, the tail end of the conveying shaft ismovably fixed to a shaft base, and one side of the shaft base is fixedly welded to the side wall of the box body. The feeding port comprises a feeding groove and a screening device. A screening deviceis arranged at the bottom end of the feeding groove, a discharging port is formed in the bottom end of the feeding groove, a user can firstly control the falling speed and flow through the control box, subsequent screening operation is facilitated, then third-class screening can be conducted on rice, and distinguishing by the user is facilitated.
Owner:邵阳县五谷源种养专业合作社
Magnetic disk drive and magnetic head slider with stabilized flying
InactiveUS20070086112A1Damping translationalDamping pitchingFluid-dynamic spacing of headsRecord information storageMagnetic transducersFlying height
In a magnetic disk drive, translational and pitching vibrations in the flying height direction of a magnetic head slider are to be damped quickly while stabilizing the flying of the magnetic head slider. In one embodiment of the present invention, a magnetic disk drive is provided with a magnetic recording medium and a magnetic head slider adapted to fly over a surface of the magnetic recording medium and read or write information. The magnetic head slider includes a slider air bearing surface and a magnetic transducer. The slider air bearing surface includes a front pad having front rail surfaces and front step bearing surfaces, a rear pad having a rear rail surface and a rear step bearing surface, and a negative-pressure groove interposed between the front pad and the rear pad. A vibration suppressing groove is formed in the rear rail surface so as to be deeper than the rear rail surface and to be closed at its surround.
Owner:HITACHI GLOBAL STORAGE TECH NETHERLANDS BV
Rotary vibration test bench for traveling wave vibration test of composite cylindrical shells
ActiveCN107340111AStable and effective clampingAvoid destructionVibration testingRotational vibrationLaser light
The invention relates to the technical field of vibration test of composite structures, and provides a rotary vibration test bench for traveling wave vibration test of composite cylindrical shells. The rotary vibration test bench includes a remote driving device, a cylindrical shell clamping device, an ejection exciting device, a laser circular scanning device, and a laser interferometer. The laser circular scanning device and the laser interferometer are used together. By changing the laser light path, the vibration information of a cylindrical shell after vibration exciting can be collected. The laser circular scanning device can do axial feeding motion, and can rotate with a hollow shaft and a belt wheel, so as to collect vibration information of different points and different sections of a cylindrical shell. The device has the advantages of low cost, long service life and few test requirements, and is suitable for the majority of rotational vibration conditions for traveling wave vibration test of composite cylindrical shells. Measurement can be carried out multiple times to reduce test error.
Owner:NORTHEASTERN UNIV
Road barrier with warning function
InactiveCN111335212ARapid vibrationAvoid economic lossTraffic signalsRoad signsSuction forceClassical mechanics
The invention discloses a road barrier with a warning function. The pier comprises an annular pier body, the inner bottom of the annular pier body is fixedly connected with a resonance rod; the side wall of the resonance rod is fixedly sleeved with a plurality of magnet blocks with the same magnetic pole direction, an induction coil is embedded in the inner wall of the annular pier body, an annular cavity is formed in the inner wall of the annular pier body, the inner wall of the annular cavity is slidably connected with a conductive block in coupled connection with the induction coil, and anannular vibration cavity is formed in the side wall of the annular pier body. According to the invention, the resonance rod is driven to vibrate through vibration generated in the driving process of an automobile; the induction coil moves relative to the magnet block and cuts the dynamic induction line; the induction coil generates induction current and electrifies the conductive block, so that the conductive block moves along the inner wall of the annular cavity and continuously sweeps the cavity, the permanent magnet block and the conductive block continuously generate magnetic attraction force, quick vibration of the vibrating diaphragm is promoted, sound is emitted outwards through the generation hole, and an alarm prompt is given to a driver.
Owner:雷新刚
Annular sound field loudspeaker
ActiveCN110475183AReduce air pressureRapid vibrationFrequency response correctionDiaphragm mounting/tensioningEngineeringLoudspeaker
The invention relates to an annular sound field loudspeaker, being characterized in that annular magnets are arranged on the upper end face and the lower end face of a shell; and the annular sound field loudspeaker also includes an annular rail, vibrating tubes and a vibrating cavity; a conducting ring is arranged close to each of the inner ring wall and the outer ring wall of the annular rail; aconducting bar made of ferromagnetic materials is arranged in the annular rail in a sliding mode, and the two conducting rings are electrically communicated through the conducting bar; the vibrating tubes are arranged in the shell and are distributed along the radial direction of the shell; permanent magnets are arranged in the vibrating tubes in a sliding manner, and the permanent magnets are kept in airtight contact with the tube walls of the vibrating tubes during reciprocating sliding; the vibration cavity is arranged on the outer ring wall of the shell and comprises a vibrating diaphragmmade of an elastic material; and one end of the each vibrating tube is close to the annular rail, and the other end of the vibrating tube is communicated with the vibrating cavity. The annular sound field loudspeaker is novel in structure and unique in principle, can provide a balanced and full sound field in a wide range, and can effectively improve the auditory experience of the loudspeaker.
Owner:东莞市泰铭声学有限公司
Recurved bow with improved vibration damping function
InactiveUS20160209158A1Improve accuracyRapid vibrationBows/crossbowsEngineeringMechanical engineering
Provided is a recurved bow including: a handle; a pair of limbs coupled at both ends of the handle; and a bowstring, wherein a projecting coupling member is provided in front of each of the limbs, and is extended forwardly from each of the limbs, and has a coupling portion in the front thereof, and is coupled with a coupling pin of a rear side of each of the limbs, and wherein a damper member is provided in which the damper member comprises a corresponding coupler that is coupled with the coupling portion formed in front of each of the projecting coupling member, and a damper coupled with the front of the corresponding coupler, to thereby rapidly damp vibrations generated in one end of each of the limbs to thus enhance a vibration damping function.
Owner:WIN & WIN
A compact system and method for vibration and noise mapping
ActiveCN110325835ARapid vibrationNo manpower requiredVibration measurement in solidsVehicle testingNoise mappingVibration measurement
The present invention is related to at least one vibration measurement sensor (3) adapted to measure the vibrations formed on a test object (0) with moving mechanical systems, at least one noise measurement sensor (4) adapted to measure sound intensity and / or particle velocity and / or sound pressure in at least one direction, i.e. on one axis, and a vibration and noise mapping system (1) that is adapted to control the vibration measurement sensor (3) and the noise measurement sensor (4), to provide the vibration and acoustic performance data of the test object (0) according to the data obtainedfrom these units (3, 4) and to identify the areas on the test object (0) that are problematic or need to be studied further in order to improve vibration and acoustic performances thereof, and to control the operation of test objects (0) such as moving mechanical systems under different conditions.
Owner:FORD OTOMOTIV SANAYI ANONIM SIRKETI
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