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378results about How to "Noise isolation" patented technology

Vacuum pneumatic system for conveyance of ice

Vacuum pneumatic conveying apparatus and method are described to provide for a simple, economical, convenient (and preferably automatic) system for conveying ice on an as-required basis from a source such as an ice maker to one or more receptors at locations remote from that source. The system can be configured such that dispensing locations can be added or eliminated from the system or temporarily taken "off line" from the system without the need to change the basic system configuration or the central ice providing apparatus. The apparatus in various embodiments includes an ice source, a conveying conduit from the source to the receptor, a vacuum pump for moving the ice through the conduit by vacuum, and the receptor to collect the conveyed ice. The receptor may be an ice / beverage dispenser, an accumulator for retention and discharge to further devices, an intermediate storage dispenser, or an air lock device from where the ice can be projected over significant distances. Ice and vacuum may simultaneously be routed into different branched routes, utilizing a unique diverter / air shifter with the capability of providing routing to up to four different routes. Appropriate sensors and controllers, which may be microprocessor-based, may be used to automate the system. The entire system is easily cleanable. The system is advantageously used by restaurants, groceries, hotels and motels, hospitals, laboratories, and many other establishments where the providing of ice at various locations is desirable or required.
Owner:TEK SOLUTIONS

Equipment and method for automatically disassembling and recycling power battery

The invention discloses equipment and a method for automatically disassembling and recycling a power battery. The equipment comprises a rack, a loading bin, a loading manipulator, a horizontal mobile platform, a clamping and positioning mechanism, a cutting mechanism, a core taking mechanism, a residual energy detection system, an auxiliary loading device and a visual system; a series of automated technological process such as loading, clamping, battery head cutting, separation of a cell and a battery case, unloading and the like of the power battery can be realized, and meanwhile, visualized remote monitoring on the whole technological process is realized through matching with the visual system. Besides, the cutting mechanism and the core taking mechanism are covered with inner protection covers, the whole equipment adopts an all-closed type outer protection cover, so that noise and dust in the equipment can be effectively isolated, and safety of operators and the equipment is protected.
Owner:SHENYANG INST OF AUTOMATION GUANGZHOU CHINESE ACAD OF SCI +1

Non-glue diatom ooze building material

The invention discloses non-glue diatom ooze building material, which is used for wall decoration, surface dressing of boards and intermediate sandwich of the boards, and comprises the following components in parts by weight: 4-90 parts of kieselguhr below 10000 mesh, 20-60 parts of bentonite below 2000 mesh, 10-40 parts of kaolin below 2000 mesh, 5-30 parts of activated clay below 2000 mesh, 10-60 parts of quartz sand below 200 mesh, 5-40 parts of sepiolite below 800 mesh, 5-40 parts of calcium carbonate below 800 mesh, 5-30 parts of medical stone powder below 800 mesh, 2-20 parts of nanosized titania powder below 20000 mesh, 0.1-3 parts of fiber with the length being 5mm or below, 4.5-40 parts of attapulgite below 800 mesh, 2-20 parts of hydroxypropyl methyl cellulose, and 1-20 parts ofpigment. According to the non-glue diatom ooze building material, the kieselguhr and other porous natural materials with adsorption capacity are selected to manufacture interior building materials, the proportion is reasonable, chemical adhesive agents are not needed, and adhesive forming is realized through characteristics of the natural materials, so that porous structures of the natural materials can be maintained, indoor pollution can be eliminated, indoor humidity can be adjusted, odor can be removed, noise can be isolated, and flame retardant is realized.
Owner:青岛泉佳美硅藻泥科技有限公司

Semiactive suspending device with electromagnetic valve

The invention relates to a semiactive suspending device with an electromagnetic valve, which comprises a hydraulic suspending device (20) and an electromagnetic valve (12), wherein the hydraulic suspending device (20) and the electromagnetic valve (12) are fixedly connected by ultrasonic welding, the terminal of the electromagnetic valve (12) and the terminal of a controller are connected by a special vehicular socket, an upper part connecting bolt (1) and a plastic skeleton (2) are fixedly connected, one end is provided with a damping block (17), the other end is connected with an engine bracket by screw threads, and a lower part connecting bolt (14) arranged at a bottom cover (9) of the hydraulic suspending device is connected with a vehicle body. The invention provides an engine semiactive suspending device which has reasonable design and simple structure and can effectively decrease vibration and reduce noise under various working conditions, in particular an engine semiactive suspending device which has good effects in decreasing vibration and reducing noise under an idle-speed working condition and a cruising working condition.
Owner:NINGBO TUOPU GROUP CO LTD

Silicon Substrate Having Through Vias and Package Having the Same

The present invention relates to a silicon substrate having through vias and a package having the same. The silicon substrate includes a substrate body, a plurality of through vias and at least one heat dissipating area. The substrate body has a surface, and the material of the substrate body is silicon. The through vias penetrate the substrate body, and each of the through vias has a conductive material therein. The heat dissipating area is disposed on the surface of the substrate body and covers at least two through vias. The heat dissipating area is made of metal, and the through vias inside the heat dissipating area have same electrical potential. Thus, the heat in the through vias is transmitted to the heat dissipating area, and since the area of the heat dissipating area is large, the silicon substrate has good heat dissipation efficiency.
Owner:ADVANCED SEMICON ENG INC

Self-balancing pressure-resistant casing device

The invention discloses a self-balancing pressure-resistant casing device, and belongs to the technical field of a bathyscaphe pressure-resistant structure. The self-balancing pressure-resistant casing device is formed by sequentially sleeving and installing a ball-shaped inner casing, a ball-shaped middle casing and a ball-shaped outer casing around the ball center from inside to outside, wherein the ball-shaped inner casing and the ball-shaped middle casing are connected through a pair of symmetrical and coaxial connecting shaft assemblies; the ball-shaped middle casing and the ball-shaped outer casing are connected through a pair of symmetrical and coaxial connecting shaft assemblies; the axial lines of the two pairs of connecting shaft assemblies are mutually vertical, so that the ball-shaped inner casing and the ball-shaped middle casing can mutually rotate, and the ball-shaped middle casing and the ball-shaped outer casing can mutually rotate; each of the two pairs of connecting shafts is provided with a spring damper; the axial impact between the adjacent casings is resisted. The self-balancing pressure-resistant casing device has the advantages that a control system is simplified; the work reliability and the operation stability of a bathyscaphe are improved; the noise is a cabin is reduced; the work environment comfort of aquanauts is improved; the work safety of the bathyscaphe is improved; the material selective range is expanded; the thickness of the casings is reduced; the processing difficulty of the casings is reduced.
Owner:JIANGSU UNIV OF SCI & TECH

Air cooling generator

A generator includes a housing, an engine, a first main impeller rotatably mounted in the engine, a first secondary impeller rotatably mounted in the housing and located outside of the engine, a generating body, a second main impeller rotatably mounted in the generating body, and a second secondary impeller rotatably mounted in the housing and located outside of the generating body. Thus, the first secondary impeller and the second secondary impeller can dissipate the heat produced from the engine and the generating body, thereby enhancing the heat dissipation effect of the generator, and thereby increasing the lifetime of the generator.
Owner:WANG WEN CHANG

On-vehicle power supply device

An on-vehicle power supply device is connected to a vehicle battery with revealing. The on-vehicle power supply device is used for receiving a DC input power supplied by the vehicle battery, and the on-vehicle power supply device induces a plurality of high-frequency voltages through a single isolation transformer at the same time, and then transforms the high-frequency voltages to produce at least one AC output voltage and DC output voltage. In addition, the on-vehicle power supply device further includes a rechargeable battery. The rechargeable battery can be charged when the DC input power is importing. When the DC input power stops importing, the rechargeable battery is used for supplying a backup power to the isolation transformer, and the rechargeable battery keeps producing AC output voltage and DC output voltage. Hence, the present invention can achieve the effects of multipurpose, safety, and continuity.
Owner:POWERTECH INDAL

Environment control system

The invention relates to an environment control system which comprises an air purification device, a controllable gas delivery device and an environment regulation device. The air purification device is disposed inside a building. The controllable gas delivery device and the environment regulation device are disposed inside the air purification device. Compared with the prior art, the environment control system creates a 'house-in-house' environment beneficial to human physiological and mental health to achieve health caring. The indoor environment created by the environment control system includes factors such as temperature, humidity, cleanliness, freshness, oxygen concentration, anion concentration, luminance, air velocity, air uniformity, noise, color, music, fragrance, air pressure and electromagnetic wave, and accordingly the problems of indoor air pollution and low indoor air quality are solved substantially. The environment control system cares human health.
Owner:上海三因环保科技有限公司

Sleeping cabin capable of adjusting environmental parameters automatically

The invention relates to a sleeping cabin capable of adjusting environmental parameters automatically. The sleeping cabin comprises a user terminal, a cabin body, an air filtering system, a constant temperature system, a constant humidity system, an oxygen supply system and a control system, wherein the air filtering system is arranged at an air inlet of the cabin body, and the constant temperature system, the constant humidity system, the oxygen supply system and the control system are arranged in the cabin body. The air filtering system, the constant temperature system, the constant humidity system and the oxygen supply system are connected with the control system and send monitored environmental parameters to the control system. The control system converts the received environmental parameters into digital signals, analyzes and processes the digital signals and controls the air filtering system, the constant temperature system, the constant humidity system and the oxygen supply system to adjust temperature, humidity and oxygen content parameters in the cabin body to a proper range according to an analysis result. The user terminal is connected with the control system through a network to inquire and receive the real-time environmental parameters in cabin body. Compared with the prior art, the sleeping cabin has the advantages that energy conservation and environment protection are achieved, the environmental parameters can be adjusted according to needs of human bodies, the comfort level of sleeping of people and sleeping quality are improved, and health care effect is achieved.
Owner:SHANGHAI HUABO INFORMATION SERVICE

NAND flash biasing operation

A charge storage memory is configured in a NAND array, and includes NAND strings coupled to bit lines via string select switches and includes word lines. A controller is configured to produce a bias for performing an operation on a selected cell of the NAND array. The bias includes charging the bit line while the string select switches are closed, such as to not introduce noise into the strings caused by such bit line charging. The semiconductor body regions in memory cells that are on both sides of the memory cells in the NAND strings that are coupled to a selected word line are coupled to reference voltages such that they are pre-charged while the word lines of the strings in the array are transitioned to various voltages during the operation.
Owner:MACRONIX INT CO LTD

Detection of surface anomalies in elongate conductive members by pulse propagation analysis

InactiveUS6072316AShort propagation delayEffectively and consistently appliedWeather/light/corrosion resistanceResistance/reactance/impedenceFall timeTime delays
Pulse propagation analysis to ascertain whether and anomaly such as surface corrosion exists on a section of conductive member such as pipe. Anomalies such as surface corrosion result in localized velocity changes of pulses propagating along a conductive member. These localized velocity changes exhibit themselves in changes in waveform, rise and fall time, amplitude, and time delay of a pulse with respect to a fixed time reference. To allow such anomalies to be located, two pulses are generated such that they intersect at intersecting locations along the conductive member. The resulting modified pulses are analyzed for perturbations indicative of localized velocity changes.
Owner:PROFILE TECH

Detection of surface anomalies in elongate conductive members by pulse propagation analysis

Pulse propagation analysis to ascertain whether and anomaly such as surface corrosion exists on a section of conductive member such as pipe. Anomalies such as surface corrosion result in localized velocity changes of pulses propagating along a conductive member. These localized velocity changes exhibit themselves in changes in waveform, rise and fall time, amplitude, and time delay of a pulse with respect to a fixed time reference. To allow such anomalies to be located, two pulses are generated such that they intersect at intersecting locations along the conductive member. The resulting modified pulses are analyzed for perturbations indicative of localized velocity changes.
Owner:PROFILE TECH

On-vehicle power supply device

An on-vehicle power supply device is connected to a vehicle battery with revealing. The on-vehicle power supply device is used for receiving a DC input power supplied by the vehicle battery, and the on-vehicle power supply device induces a plurality of high-frequency voltages through a single isolation transformer at the same time, and then transforms the high-frequency voltages to produce at least one AC output voltage and DC output voltage. In addition, the on-vehicle power supply device further includes a rechargeable battery. The rechargeable battery can be charged when the DC input power is importing. When the DC input power stops importing, the rechargeable battery is used for supplying a backup power to the isolation transformer, and the rechargeable battery keeps producing AC output voltage and DC output voltage. Hence, the present invention can achieve the effects of multipurpose, safety, and continuity.
Owner:POWERTECH INDAL

Plant configuration used for urban road traffic noise reduction

InactiveCN102635075AReduce traffic noiseCreate a livable living environmentNoise reduction constructionZelkovaOperability
The invention relates to a plant configuration used for urban road traffic noise reduction. Configured plants comprise evergreen tree species, deciduous tree species, evergreen shrub species, deciduous shrub species and a lawn, wherein the evergreen tree species comprise Cinnamomum camphora and Ligustrum lucidum; the deciduous tree species comprise gingko, Zelkova serrate and Prunus cerasifera; the evergreen shrub species comprise sweet-scented osmanthus and oleander; the deciduous shrub species comprise Hibiscus syriacus L, Chinese redbud, flowering peach and multiflora rose; and the lawn is a Manila lawn. The evergreen tree species, the deciduous tree species, the evergreen shrub species and the deciduous shrub species used for the plant configuration are called by a nursery stock and respectively come from a nursery garden. The plant configuration used for the urban road traffic noise reduction has the advantages that the environment is beautified; the service life is long; the operability is strong; the landscape property is good; the ecological value is high; the cost is low; planting and maintenance are easy; the noise reduction effect is good; and the noise reduction function is efficient. Better noise reduction can also be performed on zones of which road green belts are not sufficient or stained in width because of the limitations of geographic locations or the ambient environments, and a very good action is performed in creating an urban favorable living environment.
Owner:JIANGSU ZITENG HORTICULTURAL GREENING ENG CO LTD

Condensing device for dish-washing machine and dish-washing machine provided with condensing device

The invention relates to a condensing device for a dish-washing machine and the dish-washing machine provided with the condensing device. The condensing device comprises an inner container, a condenser and draught fans. One end of the condenser communicates with the inner container through an air inlet, and the other end of the condenser is connected with the draught fans. An air supply opening communicating with the inner container is formed in one side plate of the condenser. Airflow is conveyed into the condenser and supplied into the inner container through the air supply opening so that water vapor can enter the condenser through the air inlet to form inner airflow circulation, meanwhile, cooling airflow is conveyed to the outer surface of the condenser to form outer airflow circulation, and power is provided for inner airflow circulation and outer airflow circulation through the two draught fans correspondingly or through one draught fan at the same time. The condensing device has inner airflow circulation and outer airflow circulation at the same time, the flowing speed of airflow on the outer surfaces of the side plates of the condenser can be increased, the surface temperature of the condenser can be reduced, fast condensation of the water vapor in the condenser can be facilitated, and the condensation efficiency can be greatly improved.
Owner:QINGDAO HAIER DISHWASHER +1

Mounting method and device with acoustic emission sensor recycling capacity

The invention provides a mounting method and device with acoustic emission sensor recycling capacity. The method comprises the following steps: a, an acoustic emission sensor is fixed in a cavity of a recovery device by a fixing claw; b, the recovery device is mounted in a drill hole, and the front end of a waveguide rod arranged in the recovery device extends deeply into a coal-rock mass body in front of the hole bottom; and c, after monitoring, the sensor is taken out from the rear end of the cavity of the recovery device, and sensor recovery is finished. The specially designed acoustic emission sensor recovery device is used for fixing the sensor in the wall of the drill hole of the mine coal-rock mass body, the mounting method and device are applied to inside of drill holes with any angles in the coal-rock mass bodies with different hardness, can effectively solve the problems that the sensor is difficult to mount and is not mounted in place in depth due to hole collapse and the problems about recycling and the like, and has the advantages that the reliability is high, the signal monitoring precision is increased, noise interference is isolated, mounting is convenient and fast, the sensor can be recycled and the like; and further, the operation difficulty and economic cost are reduced, the mounting efficiency is increased, a better application effect is obtained, and field popularization and application are facilitated.
Owner:CHINA COAL TECH & ENG GRP CHONGQING RES INST CO LTD

Composite damping plate made of low-frequency damping metamaterial

The invention discloses a composite damping plate made of a low-frequency damping metamaterial. The composite damping plate comprises a plate body, wherein the plate body comprises a first upper composite layer, a middle layer and a first lower composite layer; both the first upper composite layer and the first lower composite layer are fibrous composite layers; the middle layer is a viscoelastic film damping layer and bonded with the first upper composite layer and the first lower composite layer through viscous-flow-state damping rubber; a hole array is arranged on the plate body, and a mass slice is mounted in each hole and embedded into the viscoelastic film damping layer. The composite damping plate integrates a multi-layer damping vibration attenuation function and a low-frequency vibration isolation function of an acoustic metamaterial, has the outstanding advantages that the low-frequency damping capacity is high, frequency-selecting damping is realized easily and the like, and has good environmental protection performance; the composite damping plate can be applied to control of vibration with the frequency within 1000 Hz, the vibration and noise reduction performance is improved greatly compared with a traditional material, and the composite damping plate can be applied to reduction, isolation and control of low-frequency vibration and noise in automobiles, ships and other equipment.
Owner:SOUTHWEST JIAOTONG UNIV

Delivery device of vending machine and delivery mode of delivery device

The invention discloses a delivery device of a vending machine and a delivery mode of the delivery device. The delivery device comprises a lifting platform connected with a lifting mechanism, a lifting-platform goods receiving box in butt joint with a storage shelf is arranged on the lifting platform, and an opening used for receiving and discharging goods is arranged in one side of the lifting-platform goods receiving box; a synchronous belt arranged on the bottom surface of the lifting-platform goods receiving box and is driven through a motor arranged at the bottom of the lifting platform and used for receiving and transferring the goods; a flexible protective cover used for isolating outer interference is mounted on the lifting platform; when the lifting platform is operated to the position where the storage shelf receive the goods and the goods are transferred to the lifting platform from the storage shelf, and the lifting platform is controlled to shake vertically in a small range through a computer pulse counting mode, so that the goods on the lifting platform are safer in position; failure rate of the lifting platform is greatly reduced, reliability in selling of the lifting-type automatic vending machine is guaranteed, and market popularity of the lifting-type automatic vending machine is improved.
Owner:HUNAN KIMMA INTELLIGENT EQUIP MFR

Non-glue diatom ooze building material

The invention discloses non-glue diatom ooze building material, which is used for wall decoration, surface dressing of boards and intermediate sandwich of the boards, and comprises the following components in parts by weight: 4-90 parts of kieselguhr below 10000 mesh, 20-60 parts of bentonite below 2000 mesh, 10-40 parts of kaolin below 2000 mesh, 5-30 parts of activated clay below 2000 mesh, 10-60 parts of quartz sand below 200 mesh, 5-40 parts of sepiolite below 800 mesh, 5-40 parts of calcium carbonate below 800 mesh, 5-30 parts of medical stone powder below 800 mesh, 2-20 parts of nanosized titania powder below 20000 mesh, 0.1-3 parts of fiber with the length being 5mm or below, 4.5-40 parts of attapulgite below 800 mesh, 2-20 parts of hydroxypropyl methyl cellulose, and 1-20 parts ofpigment. According to the non-glue diatom ooze building material, the kieselguhr and other porous natural materials with adsorption capacity are selected to manufacture interior building materials, the proportion is reasonable, chemical adhesive agents are not needed, and adhesive forming is realized through characteristics of the natural materials, so that porous structures of the natural materials can be maintained, indoor pollution can be eliminated, indoor humidity can be adjusted, odor can be removed, noise can be isolated, and flame retardant is realized.
Owner:青岛泉佳美硅藻泥科技有限公司

Vertical type sewage pump

The invention discloses a vertical type sewage pump. The vertical type sewage pump comprises a pump body and a high-speed motor, wherein a sound insulation cover is arranged at the outer side of the high-speed motor in a covering manner; metal heat absorbing plates are arranged at the two sides of the interior of the sound insulation cover; heat dissipation rods which extend to the exterior of thesound insulation cover are arranged on the metal heat absorbing plates; an output shaft of the high-speed motor is connected to a transmission shaft through a shaft coupling; an impeller is fixed atthe bottom end of the transmission shaft; a water inlet is formed in the bottom end of the outer surface of the pump body; a water outlet is formed in the upper end of the outer surface of the pump body; a filtering net is arranged between the air inlet and the impeller; and vibration motors are arranged on the side walls, located at the two sides of the filtering net, of the pump body, and are connected to the filtering net through a vibration transmission shaft. The vertical type sewage pump is simple in structure and convenient to use, has good sound insulation and noise reduction effects,and can effectively filter out impurities in sewage; and after the vertical type sewage pump is used for a long time, sundries adhered to the filtering net can be shaken off in a vibration manner, andthe removal of impurities on the filtering net is convenient.
Owner:浙江融乐环境科技有限公司

Concrete gravel separation and recovery device

The invention discloses a concrete gravel separation and recovery device. The device comprises a main box body, a gravel separation module, a feeding box, a gravel screening module and damping modules. According to the device, the structure is reasonable in design, and the practicability is high; during work, spraying heads spray water on raw materials, spraying is uniform, and the cleaning effectis better; a second motor drives a first belt wheel and a second belt wheel to rotate through a driving belt wheel so as to drive a second rotating shaft, a first V-shaped screening plate, a third rotating shaft and a second V-shaped screening plate to rotate left and right within a short distance, meanwhile, gravel can be effectively filtered and classified under the action of a vibration motor,the filtration effect is good, and the filter screen is not prone to blockage; and under the action of a coarse-hole filter screen and a fine-hole filter screen, the gravel can be effectively collected in a classified mode, the gravel can be recycled, and waste is reduced; and device resonance is prevented under the action of the damping modules, so that the influence of the vibration motor on the whole device is reduced, the main box body can also effectively isolate noise, and meanwhile, the device is elegant and attractive.
Owner:广州臻太机械制造有限公司

Air cooling generator

A generator includes a housing, an engine, a first main impeller rotatably mounted in the engine, a first secondary impeller rotatably mounted in the housing and located outside of the engine, a generating body, a second main impeller rotatably mounted in the generating body, and a second secondary impeller rotatably mounted in the housing and located outside of the generating body. Thus, the first secondary impeller and the second secondary impeller can dissipate the heat produced from the engine and the generating body, thereby enhancing the heat dissipation effect of the generator, and thereby increasing the lifetime of the generator.
Owner:WANG WEN CHANG

Automobile door structure with water and noise isolation sheet

There is provided a door structure of an automobile, capable of being visually checked as to whether or not a peripheral edge of an opaque water.noise isolation sheet is reliably bonded to a door inner panel through the intermediary of a sealer (adhesive). With the door structure, the door inner panel of the automobile is provided with the opaque water.noise isolation sheet for ensuring watertightness and noise isolation after stopping up at least access holes of the door inner panel, and the inner peripheral edge of a transparent film substantially annular in shape is fixedly attached to the outer peripheral edge of the opaque water.noise isolation sheet, thereby forming a structure wherein the outer peripheral edge of the transparent film is bonded to the door inner panel through the intermediary of the sealer (adhesive).
Owner:NISHIKAWA RUBBER +1

Medical tweezers cleaning device with all-round cleaning function

The invention discloses a medical tweezers cleaning device with an all-round cleaning function and belongs to the field of medical cleaning equipment. The medical tweezers cleaning device comprises abox body and a liquid storage tank. A disinfection chamber is arranged in the box body. The bottom end of a rotating shaft penetrates the box body and is connected with an output shaft of a motor. A sealed bearing is arranged on the portion, in contact with the box body, of the rotating shaft. The liquid storage tank is connected with a uniform distribution disc arranged at the top of the cleaningchamber through a liquid suction pipe, and a pressure pump is arranged on the liquid suction pipe. A liquid drainage pipe is arranged on the lower left portion of the liquid storage tank, and a control valve is arranged on the liquid drainage pipe. The medical tweezers cleaning device is reasonable in structure design, and the noise pollution can be reduced. The motor can control the rotation ofcontaining net racks by the rotating shaft, and the cleaning quality of tweezers in the containing net racks is improved. A liquid outlet pipe and the liquid suction pipe are arranged on the liquid storage tank and can recycle cleaning liquid in the process of cleaning the tweezers, the requirement on the utilization rate of the cleaning liquid is met, and the cleaning efficiency of the tweezers is improved.
Owner:HUNAN HUIXUN ENTERPRISE MANAGEMENT CO LTD

Refrigerator capable of automatically opening and closing door

The invention provides a refrigerator capable of automatically opening and closing a door, and the refrigerator comprises a refrigerator main body for forming a low-temperature storage space; a drawerdoor which is used for opening or closing the low-temperature storage space in a drawing manner; and a guide rail which is located between the refrigerator main body and the drawer door, wherein thedrawer door can be connected to the refrigerator main body in a sliding mode along the guide rail. The refrigerator further comprises an automatic door opening and closing assembly, and the drawer door automatically slides out of or slides into the refrigerator main body through the automatic door opening and closing assembly. According to the invention, through the automatic door opening and closing assembly, the driving gear drives the drawer door to be automatically opened in the whole process when powered on through an electromagnetic clutch, there is no need to open the door additionally,and full-automatic opening is completely achieved; the automatic door opening state and the conventional manual door opening and closing state of the refrigerator can be switched at will, the drivingassembly in the refrigerator with the automatic door opening and closing function is sealed through the shell, and meanwhile, the noise generated when the driving motor, the reduction gearbox and theelectromagnetic clutch work is effectively isolated.
Owner:HISENSE(SHANDONG)REFRIGERATOR CO LTD

Equipment cabinet system and exhaust equipment thereof

The invention provides an equipment cabinet system and exhaust equipment thereof. The equipment cabinet system comprises a closed equipment cabinet, a rack and a heat sink. The rack is arranged inside the closed equipment cabinet. The heat sink is contained in the closed equipment cabinet, the heat sink and the rack are adjacent and parallel, and the heat sink and the rack altogether enable inner space of the closed equipment cabinet to be divided into a cold blast channel and a hot blast channel. The heat sink is provided with an air outlet and an air inlet, the air outlet is arranged corresponding to the cold blast channel, and the air inlet is arranged corresponding to the hot blast channel. Therefore, the heat sink and the rack are adjacent and parallel and altogether enable the inner space of the closed equipment cabinet to be divided into the cold blast channel and the hot blast channel, so that servers which are arranged inside the rack in a stacked mode can all be evenly cooled, and thus the equipment cabinet system has good energy service efficiency.
Owner:DELTA ELECTRONICS INC

Screw polishing machine

The invention discloses a screw polishing machine which comprises a machine body (10). The machine body (10) comprises a fixing device detachably fixing the two ends of a screw (11), a polishing part of the screw (11), a driving mechanism for driving the polishing part, a dust sucking mechanism and a polishing chip absorbing mechanism. Rotating parts capable of enabling the screw (11) to rotate along with rotation of a polishing abrasive belt (3) in the polishing part are arranged at the positions, at the two ends of the fixing device, of the machine body (10). The polishing part can be arranged on a sliding rail in a left-right moving and sliding manner in the axial direction of the screw (11). The polishing chip absorbing mechanism comprises chip flowing liquid capable of jetting chips into the polishing chip absorbing mechanism, and a chip filtering part (4). The chip flowing liquid flows to the chip filtering part (4). The fixing device, the polishing part, the driving mechanism driving the polishing part, the dust sucking mechanism and the polishing chip absorbing mechanism are connected with a programmable circuit through lines. The screw polishing machine has the beneficial effects that the polishing efficiency is high, operation is safe and convenient, environment friendliness is achieved, the service life is long, the polishing precision is high, the noise is low, and full-automatic operation can be achieved.
Owner:浙江华业塑料机械股份有限公司

Sound insulation cover for automobile part production

The invention discloses a sound insulation cover for automobile part production. The sound insulation cover comprises a workbench and two bottom plates which are symmetrically arranged relative to theworkbench, wherein two stand columns are vertically and fixedly connected to the upper end of each bottom plate in a front-back symmetry mode, the upper ends of the four stand columns are fixedly connected with the same supporting plate, a winch is fixedly arranged on the upper surface of the supporting plate, and an output shaft of the winch is fixedly connected with a first rotating wheel; anda through hole is formed in the upper end of the supporting plate, the inner wall of the through hole is rotationally connected with a second rotating wheel through a rotating shaft, a fixing rope iswound around the first rotating wheel and the second rotating wheel, and a sound insulation cover body is fixedly connected to the lower end of the fixing rope. According to the sound insulation cover, the structural design is simple and reasonable, the sound insulation cover body can be lifted, when the sound insulation cover is not needed, the production operation is facilitated, the sound insulation effect is good, the operation is simple and convenient, and the use is convenient.
Owner:谭丽娜
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