607results about How to "Small volumn" patented technology

A floor covering of hard panels (2) having at least on two opposite edges (3-4; 5-6), coupling elements (7) made in one piece with the panels (2), so that several of such panels (2) can be mutually coupled, whereby these coupling elements (7) provide for an interlocking in a direction (R1) perpendicular to the plane of the floor covering (1), as well as in a direction (R2) perpendicular to the edges (3-4; 5-6) and parallel to the plane of the floor covering (1), and whereby these coupling elements (7) are made such that the panels (2) can be rotated into and / or out of one another at least along the above-mentioned edges (3-4; 5-6). The panels (2) are provided, at least on the above-mentioned edges (3-4; 5-6), near the top side, with a part from which has been removed an amount of material such as by a level.

The invention discloses a gas-fired water heating device, a gas-fired water heating system, a gas-fired water heater and a water heating device. The gas-fired water heating device comprises a heat exchanger provided with a water inlet and a water outlet, a burning device, a water pump and a control device; the burning device is used for heating water in the heat exchanger, the burning device has a first working mode with a first output power range and a second working mode with a second output power range, and the first output power range is smaller than 4 KW; the water pump is communicated with the heat exchanger, and the control device is connected with the burning device and the water pump; the gas-fired water heating device has a preheating circulation mode which meets the conditions that the control device controls the water pump to drive the water in the heat exchanger to flow and controls the burning device to be in the first working mode. By means of the gas-fired water heating device, the starting frequency of the burning device and the water pump can be reduced, sound made by the gas-fired water heating device can be reduced, and the temperature of outflow water can be kept stable.

A device and method for translating language is disclosed. In one embodiment, for example, a method for providing a translated output signal derived from a speech input signal, comprises receiving a speech input signal in a first language, converting the speech input signal into a digital format, comprising a voice model component representing a speech pattern of the speech input signal and a content component representing a content of the speech input signal, translating the content component from the first language into a second language to provide a translated content component; and generating an audible output signal comprising the translated content in an approximation of the speech pattern of the speech input signal.

The invention relates to a method for controlling a fuel injection system (10) of an internal combustion engine, the fuel injection system (10) comprising a high-pressure pump (16) associated with a quantity controlling valve (15) having a solenoid valve (22) electromagnetically actuatable by a coil (21) for supplying fuel, the quantity control valve (15) controlling the quantity of fuel supplied by the high-pressure pump (16) and the coil (21) of the solenoid valve (22) having a first current value applied thereto, in order to close the same for supplying fuel to the high-pressure pump (16), the first current value being reduced to a second current value when the solenoid valve is closing (22), such that the radiation of audible sound arising from the closing of the solenoid valve (22) is at least partially reduced.

The invention relates to a method for adapting and / or diagnosing an internal combustion engine (3) disposed in a hybrid vehicle, forming a drive unit (1, 3) with at least one secondary machine (1). In order to allow a more rapid and simple adaptation and / or diagnostic method of the internal combustion engine (3), a positive or negative drive torque is applied to the internal combustion engine (3) by the secondary machine (1) for setting various operating modes of the internal combustion engine (3), and at least one operating parameter of the internal combustion engine (3) is determined at a set operating point.

The invention relates to the technical field of coiling and uncoiling devices, in particular to a wire coiling and uncoiling device which comprises an upper casing, a lower casing, a spiral spring, wires and a rotation component. The upper casing and the lower casing are mutually fastened, and a movable tenon is arranged between the rotation component and the lower casing. The inner side of the lower casing is provided with a limit groove, the bottom of the rotation component is provided with a planar rail, and the movable tenon can move on the planar rail. By means of the planar rail, no high and low steps are arranged between an inner ring and an outer ring of the planar rail so that the movable tenon makes low noise when moving in the planar rail, and accordingly sound interference can be eliminated and friction force can be reduced. A first positioning position and a second positioning position for positioning the movable tenon are arranged between the inner ring and the outer ring of the planar rail, and thereby dual-positioning function is realized, the wires can be more accurately positioned when being coiled or uncoiled, and deviations of the rotation component after long-time positioning can be balanced and scattered.

A dog-clutch transmission system having dog-clutches is provided that can effectively lower the sound resulting from the engagement of dogs during the meshing of gears. A dog-clutch transmission system includes first gears installed adjacent to each other on respective shafts so as not to be rotatable relatively to the respective shafts and to be axially slidable; and second gears installed so as to be rotatable relatively to the respective shafts and not to be axially slidable. Each of the first gears has dog-teeth projecting in the axial direction and each of the other gears has dog-holes recessed in the axial direction. Speed-stages are switchable by bringing the dog-teeth and the dog-holes into engagement and disengagement. A speed-change ratio proportion of a change-speed ratio at an arbitrary n-speed speed-stage to a speed-change ratio at a (n+1)-speed speed-stage is set at 0.725 or more.

An ultra-fine spray-jetting nozzle includes a liquid passage (37) and a gas passage (41) that is disposed on a peripheral side of the liquid passage (37) through a partitioning wall and communicates with a jetting port (A). An outer surface of the partitioning wall at a jetting port side thereof is formed sectionally polygonal, long circular or elliptic. A peripheral surface of the gas passage (41) is formed sectionally circular. The outer surface of the partitioning wall having the configuration is brought into contact with the sectionally circular peripheral surface of the gas passage (41) at a plurality of positions to circumferentially divide the gas passage (41) at the jetting side into a plurality of gas passages. A gas jetted from jetting ports (A) of a plurality of the separate gas passages is mixed with a periphery of a liquid jetted from the liquid passage (37) to generate spray.

The invention relates to a manpower running type flapping wing flight vehicle. The main body structure of the flight vehicle is composed of vertically flapping two wings, a combined device of a telescopic lever and an inclined gear, a direction and balance controlling device, a balancing device, a fixing device and shoes, wherein, each wing is composed of a main supporting skeleton, an auxiliary supporting skeleton and a thin film blade; sufficient lifting force is generated when the wings flap downwards, and the thin films behind the wings are slightly inclined upwards to generate certain forward thrust force at the same time; the rear ends of the thin film blades of the two wings are respectively inclined for a certain angle downwards when the wings flap upwards, and meanwhile controlled by an adjustable elastic sheet device, pull rods are respectively arranged at the front ends of the two wings, and the flapping of the two wings can be directly controlled by grasping the pull rods with hands. The manpower running type flapping wing flight vehicle has the advantages of simple structure, security and practicality, artistic appearance, light weight, easy operation, taking off and landing at any moment and in any place and low sound during the flying.

The invention belongs to the technical field of artificial oxygen input equipment, and relates to a disposable sterile PP (polypropylene) humidification bottle and a manufacturing process thereof. The humidification bottle comprises a bottle body and a bottle cover installed on the upper end of the bottle body, wherein an oxygen input pipe and an oxygen output pipe communicated with an inner cavity of the bottle body are arranged at the upper side of the bottle cover, the oxygen input pipe is extended to the bottom of the bottle body and a gap is formed between the oxygen input pipe and the bottom of the bottle body, both the ends of the oxygen input pipe and the oxygen output pipe at the upper side of the bottle cover are provided with end caps which are easily broken, an air filtering device is arranged at the lower end of the oxygen input pipe, and humidification liquid for humidifying oxygen is filled in the bottle body and accounts for 60-80% of the capacity of the inner cavity of the bottle body. The manufacturing process of the humidification bottle comprises the steps of: producing purified water; manufacturing the bottle cover with the oxygen input pipe and the oxygen output pipe, a bottle body, a sleeve, an air filtering device and a dustproof protective sheath; sterilizing at high temperature; and packaging and warehousing for future use, and the like. The manufacturing process is simple and practical, and the product is low in noise, free from nose irritation, simple, safe and healthful in structure and suitable for the use as a disposable humidification bottle for patient oxygen inhalation.

The invention discloses an improved adhering fastener mechanism for a paper diaper. Each adhering sheet of the paper diaper comprises a lining membrane and a bottom membrane, wherein each lining membrane comprises a silicone oil layer, a plastic film layer and a hot melt adhesive layer which are sequentially fixed; and each bottom membrane comprise a silicone oil layer, a non-woven fabric layer used for providing a flexible outer surface, a plastic film layer and a hot melt adhesive layer which are sequentially fixed. The adhering fastener mechanism of the paper diaper has the advantages of simple structure and low production; and when a paper diaper with the adhering fastener mechanism is worn on a human body, the part which is exposed outside and in direct contact with the human body is not a hard plastic film any more but is a flexible non-woven fabric, thus the user feels more comfortable.

The efficiency improvement and the noise reduce of a blower have a tradeoff selectional relation, thus it is difficult to make them to be coexisted. Therewith, the aim of the invention is to provide an electric blower having a high efficiency and a low noise, and an electric duct collector equipped with the electric blower. By means of setting through holes on most external diameter positions and a rotating center of adjacent diffuser vanes and on a diffuser still foliar in a region encompassed b a fan guard in the blower, the vane sound for dominating the noise of the blower is interfered on the surface and the back face of the foliar to be reduced, and the airflow in the diffuser is rectified in the diffuser by the control of a boundary layer of the through holes, so as to improve the efficiency.

The invention provides a micro hollow fiber thermal insulating coating for buildings and an application method thereof. The micro hollow fiber thermal insulating coating for buildings is divided into a I-type single-component micro hollow fiber thermal insulating coating for buildings and a II-type double-component micro hollow fiber thermal insulating coating for buildings, and is used as an exterior wall thermal insulating coating or used to pipes and other various places needing coating the thermal insulating coating. The coating is added with super hollow fibers and aramid fibers with high-temperature resistance, acid and alkali resistance and light weight, so that the coating has the advantages of low thermal coefficient and heat storage coefficient, obvious heat retaining effect, nontoxic formula, environmental protection, excellent fire resistance, super-strong chemical stability, high cohesional strength, noise removal, high cost performance, long service life, wide application, simple and easy construction, good effect, labor and physical resource conservation, and obvious economic and environment-friendly benefits.

A power transmission chain capable of effectively reducing occurring sound and a power transmission device using the chain. The power transmission chain has links having through-holes and pins inserted through the through-holes to connect the links to each other. All the pins have substantially the same length in the length direction and include plural kinds of pins having different rigidity relative to forces acting in the length direction of the pins. Further, the track of the position of contact between a pin and a strip is an involute of a circle, and two or more kinds of sets of pins and strips having different base circle radii for the involute are formed.

The invention relates to a switching power supply apparatus which is able to restrain the increase of electrostatic capacitance of smoothing capacitor connected with control circuit of the switching power supply apparatus, and is able to use the small smoothing capacitor with low cost, and is able to reduce the power consumption and is able to reduce the sound of audible frequency domain generated by the transformer. The switching power supply apparatus includes a DC power supply (1), an isolation transformer (3) having primary, secondary and tertiary windings, and a switching element (2), and in which, by turning the switching element (2) on and off, the high-frequency voltage appearing in the secondary windings of the isolation transformer is rectified to obtain a DC output, power consumption can be decreased during standby (in burst mode) in particular by means of a control circuit (6) which controls the turn-on and turn-off of the element and similar.

The invention discloses a mechanical coded lock which comprises a password disc (101), and further comprises a panel (200), a rotating shaft (102), a lock sheet (605) and a code modulating plate (500), wherein by rotating the rotating shaft (102) and a cam (1022), the lock sheet (605) is driven to move to lock or release the a locking plate (604), and with the moving of the locking plate (604), locking or unlocking can be achieved; the rotating shaft (102) is arranged on the code modulating plate (500); by moving the code modulating plate (500), the rotating shaft (102) is released from or connected to the password disc (101); and the password disc (101) is rotated to modulate the code under the state that the password disc (101) is released from the rotating shaft (102). The coded lock disclosed by the invention is high in technical unlocking performance, compact in structure and reliable in performance, and is specifically applicable to the emergency unlocking of a fingerprint lock.

The invention discloses an elevator intelligent brake control method and device. The control method includes: a brake control system which outputs voltage to a brake coil to allow a brake shoe to be separated form a brake wheel is started, and target floor information is input to the brake control system to allow an elevator car to operate; when the distance between the elevator car and the target floor reaches the preset distance, the brake control system slowly reduces voltage output, magnetic force generated by the brake coil reduces gradually, and a compression spring on the brake arm gradually reduces the distance between the brake shoe and the brake wheel; when the elevator car reaches the target floor, voltage output by the brake control system is cut off, the brake shoe tightly holds the brake wheel, and the elevator car stops operating. By the method, brake time during elevator stopping is reduced, and safety hazards such as sliding when the elevator control system fails. Due to the fact that the distance between the brake shoe and the brake wheel is reduced, noise caused by collision of the brake shoe and the brake wheel is reduced. The invention further provides an elevator intelligent brake control device.

The invention provides a compaction hammer and a dynamic compaction machine with the compaction hammer. The compaction hammer comprises a hammer body, wherein an annular device is fixedly or movably arranged on the hammer body and comprises a vertical plate structure, and the bottom surface of the annular device is lower than the bottom surface of the hammer body at least at the compaction landing moment. During the compaction land falling, the bottom of the annular device can be enabled to touch the ground before the bottom of the hammer body, the airwave or shock wave ejection by the annular device can be severed, so the ground debris sputtering can be effectively prevented, and the safety is improved. In addition, the compaction hammer and the dynamic compaction machine also have the advantages that the structure is simple, the manufacturing is easy, the compaction quality is reliable, the noise is low, and the like.

The invention belongs to the technical field of coal mine underground roadway repairing equipment and in particular relates to a multifunctional roadway repairing machine which is applicable to coal mine underground roadway cleaning, ditch digging, undercover rock breaking and slope expansion work. The multifunctional roadway repairing machine provided by the invention comprises a walking part, a machine body part, a cutting assembly, a drilling arm part and a hydraulic system, wherein a walking mechanism is arranged at the lower side of the machine body part; the cutting assembly is arranged at the front end of the machine body part; the drilling arm part is arranged at the right side of the machine body part; the hydraulic system is arranged at the tail end of the machine body part. According to the multifunctional roadway repairing machine provided by the invention, multidirectional breaking work of a side wall, a bottom plate, a mining and tunneling working surface and the like in a narrow roadway is realized, and rapid loading and unloading of materials are realized through a mini-type shovel bucket at the front end of a supporting arm; a machine set is provided with a mechanical drilling arm capable of doing drilling work and certain useless anchoring holes of top slope anchor rods can be marked so that one machine has various functions; the whole machine works mechanically so that the labor intensity of workers is alleviated, the labor safety risks of workers is are reduced and the working efficiency is improved.

The invention relates to a drive assembly of a pulsator washing machine. The drive assembly comprises a mounting tray. A spindle and a shaft sleeve sleeved on the spindle are rotatably disposed on the mounting tray. A reduction electromagnetic clutch mechanism is disposed between the spindle and the shaft sleeve. A drive mechanism is disposed on the lower portion of the spindle. The reduction electromagnetic clutch mechanism is an electromagnetic clutch mechanism having a function of electromagnetic clutch planetary gear reduction. The reduction electromagnetic clutch mechanism is provided with a planetary gear component and an electromagnetic clutch component. The drive mechanism is an external rotor direct-drive motor comprising a rotor and a stator. The stator is fixedly connected to the mounting tray. The rotor is fixedly connected with the spindle. The spindle and the electromagnetic clutch and planetary gear reduction mechanism are directly driven by an external rotor motor, and accordingly defects such as complex ratchet and pawl structure, large size and low control accuracy in the prior art are broken through. Electromagnetic clutching is high in transmission efficiency, accurate in transmission and clutching control and low in noise; the whole drive assembly is light in weight, pull-in voltage and holding voltage are less demanded in electromagnetic clutching, and energy consumption is reduced effectively.

A mobile apparatus includes a main frame, an operating arm connected to the main frame, drive means configured to drive displacing means of the mobile apparatus, such as one or more wheels or tracks, drive means configured to drive the operating arm and a control system, connected to operating instruments for a driver, for controlling the drive means. The drive means for the displacing means includes an electric motor such that the drive of the displacing means is substantially electrical.

An indoor unit of an in-ceiling mount type air conditioner includes a box-shaped housing having a top plate portion, a side plate portion and an opening portion at the lower portion thereof, a face panel detachably mounted on the opening portion of the housing, an indoor heat exchanger through which the inside of the housing is compartmented into a primary side and a secondary side, and an air blower secured to the top plate portion of the housing that faces the primary side, has a primary side heat insulating material is provided to the top plate portion so as to face the primary side of the housing and a secondary side heat insulating material provided to the side plate portion so as to face the secondary side of the housing, wherein the primary side heat insulating material is provided with an opening portion through which the air blower is fixed to the top plate portion.

A material for use in building construction (partition, wall, ceiling, floor or door) that exhibits improved acoustical sound proofing and fracture characteristics optimized for efficient installation. The material comprises a laminated structure having as an integral part thereof one or more layers of viscoelastic material which also functions both as a glue and as an energy dissipating layer; and one or more constraining layers, such as gypsum or cement-based panel products modified for easy fracture. In one embodiment, standard paper-faced wallboard, typically gypsum, comprises the external surfaces of the laminated structure with the inner surface of said wallboard being bare with no paper or other material being placed thereon. The resulting structure improves the attenuation of sound transmitted through the structure while also allowing installation of the sound proofing material as efficiently as the installation of standard material when the sound proofing material is used alone or incorporated into a partition assembly.

With respect to a first allowable range (Tr1) as the maximum allowable range of a stator axis (Zs) in which a first gap (g1) between the outer peripheral surface of a stator and the inner peripheral surface of a motor case is formed and a second allowable range (Tr2) as the maximum allowable range of the stator axis (Zs) in which a second gap (g2) between the inner peripheral surface of the stator and the outer peripheral surface of a rotor is formed, thee first allowable range (Tr1) is set to be same as or smaller than the second allowable range (Tr2). The position of the stator axis (Zs) is measured and is so adjusted that the position of the stator axis (Zs) obtained is kept within the first allowable range (Tr1).

The present invention relates to a vibration earphone that improves the efficiency of sound output from the earphone by outputting vibrations for the high sound frequency range through a mastoid and by simultaneously outputting vibrations for the low frequency range through a cylindrical low sound transmitting member. The vibration earphone comprises a vibration member for outputting sound through vibrations and including a face plate, a voice coil, a basket with a magnet coupled thereto, and a cover; the low sound transmitting member housing the vibration member therein, for outputting vibrations for low sound through an external wall inside an ear; and a mastoid for outputting vibrations for the high sound frequency range generated from the face plate through a projection passing through the low sound transmitting member and inserted in and coupled to a hole defined in a central portion of the face plate of the vibration member.

The invention provides high-performance microscopic microfiber building heat insulation and heat preservation slurry with high tensile strength, compressive strength, heat insulation performance and tear resistance, and a using method thereof. The slurry comprises the following components of crylic synthetic resin, fluorinated silicone synthetic resin, a water retention thickening agent solution,a sepiolite fiber, a vermiculite fiber, a mullite fiber, powdered silicon dioxide, pearlife, a rock wool fiber, hollow ceramic microballs, a defoaming agent, a mildewproof bacteriacide and water; andfurthermore, white portland cement, a reinforcing agent and water which is 20 to 30 weight percent of a component A can be added.

The invention provides a high efficiency motor control device which can reduce noise caused by resonance of a fan and a rotor even though the motor and the fan are not provided with rubber vibration insulators. The motor control device comprises an inverter, a vector control portion, a high-order component generating unit, a voltage adding-up portion, and a PWM pulse generating portion. The inverter is connected with a DC power supply, and the inverter converts DC electricity of the DC power supply to variable-voltage variable frequency AC electricity to drive and control a three-phase motor. The vector control portion calculates voltage applied on the three-phase motor. The high-order component generating unit calculates high-order components of a fundamental wave of the vector control portion applied voltage. The voltage adding-up portion adds the high-order components calculated by the high-order component generating unit to the applied voltage calculated by the vector control portion. Pulse width controls the inverter. The high-order component generating unit generates both of (6m-1) order and (6m+1) order of the fundamental wave component of the three-phase applied voltage, or a high-order component of one of the (6m-1) order and (6m+1) order of the fundamental wave component to apply on the voltage adding-up portion, reducing resonant noise of the three-phase motor at 6m (m is a positive integer) times of rotation frequency.

The method provided in the invention is suitable for an electronic product and the invention provides a method for realization of a sleep shutdown function of an electronic product. The method comprises the steps that: a, when a sleep shutdown mode of an electronic product is started, a backlight brightness and / or a volume of the electronic product is / are controlled to be gradually reduced; b, when set timing shutdown time is over, the electronic product is controlled to be shut down automatically. According to a technical scheme provided in the invention, when a user is asleep or is falling asleep, a sound and a backlight brightness of an electronic product can be reduced as small as possible, so that the user' sleep will not be affected.