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39results about How to "Use quiet" patented technology

Patient interface and method for making same

A nasal patient interface for delivery of a supply of pressurised air or breathable gas to an entrance of a patient's airways comprising: a cushion member that includes a retaining structure and a seal-forming structure permanently connected to the retaining structure; a frame member attachable to the retaining structure; and a positioning and stabilising structure releasably attachable to the frame member.
Owner:RESMED LTD

Scope and action cover for hand guns and rifles

Gun scope and action cover comprises a water-proof, breathable / air-permeable, reversible, light-weight, highly-flexible fabric pouch formed by an enclosed, cinchable elastic cord that fits over the optical scope of a rifle or hand gun, and that is universal in size, quiet in use, easy to put on and take off, and easy to store. The pouch area, formed by cinching and locking the cord, is bounded with an extended skirt that drapes down over the mechanical action of the gun. 2-ply waterproof / breathable fabric is preferred. Additional features include a securing cord for adding camouflaging ghillie strips, hook and loop fastener silencer(s) that prevent accidental adhesion to clothing, the release of which causes game-spooking sound, and a pocket for a warmer unit. The cover employs a variety of camouflage patterns on one or both sides, or one side may be a dark, a light, or a safety color, such as neon orange.
Owner:MIDDLEPOINT TRADING

Scope and action cover for hand guns and rifles

Gun scope and action cover comprises a water-proof, breathable / air-permeable, reversible, light-weight, highly-flexible fabric pouch formed by an enclosed, cinchable elastic cord that fits over the optical scope of a rifle or hand gun, and that is universal in size, quiet in use, easy to put on and take off, and easy to store. The pouch area, formed by cinching and locking the cord, is bounded with an extended skirt that drapes down over the mechanical action of the gun. 2-ply waterproof / breathable fabric is preferred. Additional features include a securing cord for adding camouflaging ghillie strips, hook and loop fastener silencer(s) that prevent accidental adhesion to clothing, the release of which causes game-spooking sound, and a pocket for a warmer unit. The cover employs a variety of camouflage patterns on one or both sides, or one side may be a dark, a light, or a safety color, such as neon orange.
Owner:MIDDLEPOINT TRADING

Water conserving urinal

InactiveUS7331068B1Minimizes urine collectionMinimizes odorUrinalsFlushing devicesDraining tubeEnvironmental engineering
A wall mountable urinal having an ultra-low use of flush water, minimum material and a self-cleaning action. The urinal comprises an upright bowl that uses a flushing action provided by a misting water jet that is centered above the bowl and that provides a fine mist of water. The water mist washes the entire bowl up to its upper edge and the water droplets that accumulate upon the bowl are guided into a drain. An electrical detector that detects the user's presence is provided that is capable of initiating the flushing water mist during use and for a predetermined time thereafter.
Owner:TICHENOR CLYDE LEROY

Intelligent device used for household clothes sun-curing

The invention discloses an intelligent device used for household clothes sun-curing. The intelligent device comprises a main body box body, wherein a tubular motor is arranged on the main body box body; one end of the tubular motor is fixedly connected to a lifting transmission mechanism; a telescopic balance mechanism is mounted between the main body bracket and a sun-curing rod supporting plate;front and rear beams are fixedly mounted between the main body bracket and a top plate; and a circuit board is connected to an LED illuminating lamp. According to the intelligent device used for household clothes sun-curing disclosed by the invention, a clothes sun-curing frame is lifted to a proper position through the lifting transmission mechanism, a sterilizing lamp, a PTC heating body, a through-flow fan and the LED illuminating lamp are used to perform illuminating, air-drying, hot-air drying, and sterilizing on the clothes, so that the problem that use feeling is affected by too greatnoises as a clothes sun-curing device is not perfect and unreasonable in structural design, is relatively complex in structure, is inconvenient in use, does not have functions of illuminating, sterilizing, air-drying, hot-air drying and indoor decorating, and shake is easily generated when the clothes frame is lifted is solved.
Owner:FOSHAN SHUNDE DISTRICT YONGTONG ELECTRONICS

Ammunition Delivery System Arrowhead and Method of Use

A device and method introduces the use of conventional ammunitions to the archery / bow hunting industry. The device achieves stealthy delivery of firearm munitions and increases the firepower of standard arrows resulting in deeper penetration into a target. The device consists generally of a cylindrical housing threaded internally on one end for attachment to a firing pin. A cartridge is loaded into the housing until the flange on the cartridge casing abuts an interior shoulder. In an alternate embodiment, the interior of the housing further includes an annular retaining tab. The retaining tab separates the cartridge from the firing pin to prevent inadvertent discharge. A cap or nosecone may be included to further protect the device from accidental discharge of the cartridge and to provide aerodynamic advantages. The housing may further include a set of stabilizing vanes.
Owner:RAC EM BAC L L C

Ammunition delivery system arrowhead and method of use

A device and method introduces the use of conventional ammunitions to the archery / bow hunting industry. The device achieves stealthy delivery of firearm munitions and increases the firepower of standard arrows resulting in deeper penetration into a target. The device consists generally of a cylindrical housing threaded internally on one end for attachment to a firing pin assembly. A firing pin is slideably attached to the firing pin assembly. A cartridge is loaded into the housing until the flange on the cartridge casing abuts an interior shoulder. In an alternate embodiment, the interior of the housing further includes an annular retaining tab. The retaining tab separates the cartridge from the firing pin to prevent inadvertent discharge. A cap or nosepiece may be included to further protect the device from accidental discharge of the cartridge and to provide aerodynamic advantages. The housing further includes a set of stabilizing vanes.
Owner:RAC EM BAC L L C

Efficient relining manipulator

The invention discloses an efficient relining manipulator. The efficient relining manipulator comprises a car frame system, a main beam traveling mechanism, a lining transferring trolley, a hydraulicsystem, a cart drive system, an electrical system and a crane system, wherein the main beam traveling mechanism is arranged at one end of the car frame system; the upper portion of the main beam traveling mechanism is sleeved with the lining transferring trolley; and a crane telescopic rod is arranged at one end of the interior of the main beam traveling mechanism in a penetrating mode. Hydraulictelescopic pumps on the crane system are arranged outside, thereby being convenient to maintain; rolling wheels can drive the crane system and the hydraulic system to be rotated and adjusted by 360 degrees, the second hydraulic telescopic pump can drive a crane to vertically turn over and be adjusted through a hydraulic rod and a connection board, and the third hydraulic telescopic pump and the fourth hydraulic telescopic pump on the crane are matched to extend front and back together, so that the working width and the working adjusting range of the crane on the manipulator are improved, and the working position is adjusted more accurately; and the relining manipulator is high in overload capacity, elaborate in design, flexible in action and capable of meeting operation in various narrow spaces.
Owner:合肥市春华起重机械有限公司

Respiration type air conditioner external unit

The invention relates to a respiration type air conditioner external unit which comprises a housing, a compressor, a heat exchange plate and an air guide device. The housing comprises a control cavity and a cake-shaped heat exchange cavity; the heat exchange plate extends along the circular ring panel of the heat exchange cavity; one-way exhaust holes are formed in the circular ring panel, directly facing the heat exchange plate, of the heat exchange cavity; the air guide device is arranged on a division plate, and comprises a respirator made of an elastic material; the air guide device pulls air out from the respirator and injects air into the respirator periodically and prompts the respirator to be deformed; when the respirator expands to the amplitude peak, the side wall of the respirator is close to the surface of the heat exchange plate; and when a respiration hole of the air guide device extends out of the housing, the one-way air inlets are formed in the heat exchange cavity, and extend out of the housing. The respiration type air conditioner external unit is novel in structure and unique in principle, the heat dissipation efficiency of the external unit can be effectively improved, meanwhile noise generated in working is reduced, and an influence on the normal life of a user is effectively reduced.
Owner:广东雅顿空调设备制造有限公司

Connecting structure and motorbike

The embodiment of the invention discloses a connecting structure. The connecting structure comprises an upper installing plate, a first lower installing plate and a second lower installing plate; theupper installing plate is used for being connected with a seat cushion; the first lower installing plate is used for being connected with a helmet box body; the second installing plate is located between the upper installing plate and the first lower installing plate; the upper installing plate, the first lower installing plate and the second lower installing plate are connected through a hinged shaft in a hinged mode, and an elastic piece is arranged between the upper installing plate and the second lower installing plate; the upper installing plate is provided with two expanding positions, at the first expanding position, the elastic piece pushes the upper installing plate to expand to enable the seat cushion to maintain an opening state, and the upper installing plate is connected withthe second lower installing plate in an abutting mode; and at the second expanding position, the upper installing plate continues to overturn until the upper installing plate is connected with the first lower installing plate in an abutting mode. The seat cushion automatically springs upwards and is lifted to the use position by using the elastic piece, manual operation is not needed, and convenience is brought for a user; and at the second expanding position, the seat cushion crosses a vertical line and maintains to be expanded by using the gravity, the seat cushion has two staying positions,and the user can take and put objects conveniently.
Owner:JIANGMEN DACHANGJIANG GROUP CO LTD

Refluxing system for linear sliding rail

The invention discloses a refluxing system for a linear sliding rail. In the system, a sliding block is arranged on the sliding rail; a cover plate and an end cover are arranged at the two ends of the sliding block respectively; inner refluxing blocks and outer refluxing blocks are respectively extended between the end plates and the end covers at the ends; a semi-refluxing path is respectively reserved between the inner refluxing blocks and the outer refluxing blocks so as to form a complete refluxing path; the two ends of the refluxing path and a load path are respectively connected to the two ends of the refluxing paths of two curved surfaces so as to form a complete circulating path; the end plates, the end covers, the extended inner refluxing block and the extended outer refluxing block are injected by common plastics; the formed refluxing path is made of a plastic material; therefore, the refluxing system has the advantages that: the system is convenient to manufacture, the cost is low and the use is quieter.
Owner:HIWIN TECH

Full-automatic toothbrush based on pneumatic transmission system

The invention provides a full-automatic toothbrush based on a pneumatic transmission system, which comprises a main body, wherein bristles are arranged in the main body; the first telescopic air bag is arranged along the extension direction of the main body, and the first telescopic air bag contracts or stretches to drive the main body to move; a second telescopic air bag arranged at the side of the main body; a third telescopic air bag arranged at the side of the main body; when the second telescopic air bag is extended and the third telescopic air bag contracts, the main body moves along with the direction of contraction of the bristles towards the third telescopic air bag; When the second telescopic air bag contracts and the third telescopic air bag is extended, the main body moves along with the direction of contraction of the bristles towards the second telescopic air bag. So that the horizontal movement and the up-and-down movement of the main body can be realized, and the bristles are convenient to carry out all-directional cleaning on the surface of the teeth, and no dead angle is cleaned.
Owner:深圳坤兴泰科技有限公司

Low noise cartridge receiver and control plane for duct type vertical take-off and landing air vehicle

The invention discloses a low noise cartridge receiver and control plane for duct type vertical take-off and landing air vehicle. The cartridge receiver is divided into a lip ring, a cartridge receiver main body and a sawtooth bottom ring which are sequentially arrayed from top to bottom and are connected and fixed by virtue of long bolts and nuts through four screw holes; tail guiding control planes are mounted on the inner side of the sawtooth bottom ring, and triangular sawteeth are arranged on the tail edges of the tail guiding control planes; and the sawteeth at the tail of the sawtooth bottom ring are of a sine form, and the end surfaces the sawteeth are vertical to the cylindrical surface on the inner side of the cartridge receiver. After the cartridge receiver is processed, the cartridge receiver main body is capable of effectively absorbing noise produced by propellers; the structure of a speed shearing layer is influenced by the sawtooth bottom ring, so that the jet noise ofthe duct air vehicle can be effectively reduced; and by utilizing the sawtooth structures at the tail edges of the tail guiding control planes, the tail track region is broadened, the crushing of trailing vortex is accelerated, and the noise of turbulent flow behind the control planes is effectively lowered. Compared with a traditional multi-rotor duct air vehicle, the air vehicle utilizing the cartridge receiver and the control plane is relatively quiet during the flight, can be used for executing tasks with high concealing requirements and has wide application prospects.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Decoder for video monitoring

The invention discloses a decoder for video monitoring, and the decoder comprises a shell; a partition plate is fixedly installed in the shell, an air inlet is formed in the front wall of the shell, a heat dissipation cavity is formed in one side of the partition plate and communicates with the air inlet, a communicating hole is formed in the partition plate, the heat dissipation cavity is communicated with an inner cavity of the shell through a communicating hole, a motor is fixedly installed in the heat dissipation cavity, a first rotating shaft is installed at the output end of the motor in a transmission mode, and fan blades are fixedly installed at the end, away from the motor, of the first rotating shaft; air in the inner cavity of the shell is sucked into the heat dissipation cavity through the communicating hole under the injection action and then exhausted from the heat dissipation cavity, so heat dissipation of electronic components in the inner cavity of the shell is achieved; the transmission mechanism is driven under the magnetic attraction action, and the driving mechanism does not need to make contact with the transmission mechanism, so noise generated during driving is reduced, and the use is quieter.
Owner:深圳市泰和联安防电子有限公司

Medical equipment cooling fan

InactiveCN109026778AEasy to moveReduce motor noise and wind noisePump componentsPump controlMedical equipmentCooling effect
The invention discloses a medical equipment cooling fan. The medical equipment cooling fan comprises a supporting seat, a plurality of rolling wheels are arranged at the bottom of the supporting seat,a first driving motor is arranged in the supporting seat and in transmission connection with the rolling wheels, a supporting rod is arranged at the top of the supporting seat, a jacking device is arranged at the top of the supporting rod, the upper part of the supporting rod extends to the interior of the jacking device, and a mounting seat is arranged at the top of the jacking device; and a second driving motor is arranged in the mounting seat, a first rotating shaft is arranged on the second driving motor, the jacking device is fixedly connected with the second driving motor through the first rotating shaft, a fixing sleeve is arranged at the top of the mounting seat, a third driving motor is arranged on one side of the interior of the fixing sleeve, a sound isolation sleeve is arranged between the third driving motor and the inner wall of the fixing sleeve, a plurality of cooling pieces are arranged between the sound isolation sleeve and the third driving motor, and a filtering screen is arranged at the end, close to the inner side of the fixing sleeve, of the third driving motor. The medical equipment cooling fan has the beneficial effects of being convenient to connect and obvious in cooling effect.
Owner:ANHUI AIKEER PHARMA CO LTD

High-precision quantitative yogurt filling equipment

The invention discloses high-precision quantitative yogurt filling equipment. The high-precision quantitative yogurt filling equipment comprises a filling box, a carrying platform and a supporting cabinet, wherein the filling box is of a hollow cuboid structure, the supporting cabinet is arranged below the filling box, and the carrying platform is horizontally arranged between the filling box andthe supporting cabinet in a penetrating mode. The high-precision quantitative yogurt filling equipment has the beneficial effects that before a filling nozzle on a filling assembly is used for fillinga yogurt bottle, a first hydraulic pump drives a hanging plate and the filling assembly to move up and down through a hydraulic rod, so that it is guaranteed that the position of the filling nozzle extending into the yogurt bottle is more accurate, efficiency is high, and the filling height of the filling nozzle is more suitable for yogurt bottles with different diameters and heights; the fillingamount is more accurate, and the two ends of a material box are connected to sliding columns I in a sleeving mode to drive the filling assembly to be adjusted up and down, so that the filling assembly is moved more stably and smoothly; when the filling assembly is adjusted up and down, two second hydraulic pumps on the two sides of the carrying platform drive a base and the conveying platform tobe adjusted up and down through third liquid pumps so as to ensure that the process that the filling nozzle extends into the yogurt bottle for filling is more efficient.
Owner:ANHUI XIQIANG DAIRY GROUP

Ceramic bearing

The invention relates to a ceramic bearing, which includes an axis and a bush. A axle hole disposed on the bush lets the axis pass through. The axle hole includes one big diameter part and two small diameter parts. The two small diameter parts are located at the two ends of the big diameter part separately.
Owner:HWA-TEK MATERIAL CO LTD

Anti-overheating automobile data recorder

The invention relates to an anti-overheating automobile data recorder. The anti-overheating automobile data recorder comprises a sucker seat, a shell and a camera; the sucker seat is detachably adsorbed to a front windshield; the camera is supplied with power by using a power supply; a liquid storage cavity is formed in the upper end of the shell; a normal closed liquid filling hole is formed in the liquid storage cavity; a partition plate is arranged in the liquid storage cavity; the partition plate can slide along the internal wall of the liquid storage cavity in the advancing direction of an automobile body in a reciprocating manner; a one-way flow guide valve is arranged on the partition plate; when the one-way flow guide valve is closed, the partition plate partitions the liquid storage cavity into two independent cavities; the two cavities communicate with each other through a flow guide pipe; the flow guide pipe is coiled and arranged in the shell and sticks to the surface of an element easy to heat; and the liquid storage cavity and the flow guide pipe are filled with an adjusting liquid. The anti-overheating automobile data recorder has the advantages that the structure is novel, the principle is special, the temperature of the automobile data recorder during working can be effectively reduced, and the stable working of the automobile data recorder can be guaranteed.
Owner:范永浩

Hanging type umbrella dryer

The invention discloses a hanging type umbrella dryer, and belongs to the field of umbrella drying equipment. The hanging type umbrella dryer comprises a shell. A water collecting groove folded inwards is formed in the lower portion of the shell. A rotation part is arranged at the center of the top face in the shell. A plurality of vertical rods vertically downwards extending around the rotation part evenly are arranged at the middle portion of the top face of the shell. The lower end of each vertical rod is provided with an elastic rope, wherein one end of the elastic rope is connected with the vertical rod, and the other end of the elastic rope is connected with the inner wall of the water collecting groove. The elastic ropes are provided with a plurality of closely-arranged cylindrical water absorbing columns in a stringing manner. A plurality of drying parts distributed around a center shaft of the shell in a radial manner are arranged in the shell. The drying parts are connected with the top face of the shell through a first hanging column and a second hanging column which are perpendicular to the top face. The hanging type umbrella dryer can solve the problem that an umbrella is wet after being used. The hanging type umbrella dryer is arranged on a ceiling, and the problem of land occupation of the umbrella dryer is solved.
Owner:韦尧天

Ball clamping sliding device and ball clamping sliding door and window

The invention provides a ball clamping sliding device. The device comprises a bracket; the bracket comprises a pair of sidewalls, wherein the sidewalls are oppositely arranged; a sliding device body is arranged between the two sidewalls, comprising two oppositely-arranged magnets which are respectively connected with the sidewalls; inwards-concave spherical surfaces are arranged on the opposite surfaces of the two magnets; magnetic poles on the opposite surfaces of the magnets have the same magnetism; the inwards-concave spherical surfaces half encircle a metal ball; the centers of circles of the inwards-concave spherical surfaces are overlapped with the center of circle of the metal ball; an annular gap is formed between the two magnets and is respectively parallel to the two magnets. According to the ball clamping sliding device and a ball clamping sliding door window, the friction of the metal ball in rolling can be minimized during use, so that the frictional resistance can be reduced, and the style generated by opening and closing the door window can be reduced; the silence is ensured during use; the service life is prolonged; meanwhile, corresponding push supporting force can be generated during opening the door window, so that the force in opening and closing can be saved.
Owner:郭建东

Safe and efficient corn threshing device and working method thereof

The invention discloses a safe and efficient corn threshing device and a working method thereof. The safe and efficient corn threshing device comprises a threshing box, an upper stop cover, a guidingframe, a fitting roller, a first motor, a belt and a rotating disc. The upper stop cover is arranged on the upper side of the threshing box. The guiding frame is obliquely arranged at one end of the upper stop cover. The fitting roller is arranged on one side wall of the threshing box. The safe and efficient corn threshing device has the advantages that a plurality of scrapping rods arranged on two inner scrapping drums at equal radians are rotated synchronously to thresh corn, a plurality of threshing discs arranged on two lateral scrapping drums at equal radians cooperate with a plurality ofprotruded scrapping blocks arranged on the threshing discs at equal intervals to rotate synchronously to thresh the corn, and accordingly, the corn threshing efficiency and comprehensiveness of the device are improved; corn kernels are discharged into a discharge bucket synchronously through a plurality of through kernel holes, and accordingly, the high kernel discharge efficiency is ensured; when the device threshes the corn, the corn kernels are discharged out immediately to be prevented from splashing to hurt people, and accordingly, the safety in use is ensured.
Owner:凤台县农业科学研究所

Breathing air conditioner

The invention relates to a respiration type air conditioner external unit which comprises a housing, a compressor, a heat exchange plate and an air guide device. The housing comprises a control cavity and a cake-shaped heat exchange cavity; the heat exchange plate extends along the circular ring panel of the heat exchange cavity; one-way exhaust holes are formed in the circular ring panel, directly facing the heat exchange plate, of the heat exchange cavity; the air guide device is arranged on a division plate, and comprises a respirator made of an elastic material; the air guide device pulls air out from the respirator and injects air into the respirator periodically and prompts the respirator to be deformed; when the respirator expands to the amplitude peak, the side wall of the respirator is close to the surface of the heat exchange plate; and when a respiration hole of the air guide device extends out of the housing, the one-way air inlets are formed in the heat exchange cavity, and extend out of the housing. The respiration type air conditioner external unit is novel in structure and unique in principle, the heat dissipation efficiency of the external unit can be effectively improved, meanwhile noise generated in working is reduced, and an influence on the normal life of a user is effectively reduced.
Owner:广东雅顿空调设备制造有限公司

Automatic quantitative filling and conveying device

The invention relates to an automatic quantitative filling and conveying device. The automatic quantitative filling and conveying device comprises an integral frame 6, a container storage box 7, an executing mechanism 8, a water pump system 9, an electric control system 10, a sensor assembly 11 and a positioning base part 12, the container storage box 7 is located in the integral frame 6, the executing mechanism 8 is provided with a rotating mechanism 8a, a moving assembly 8b and an electric claw 8c, the executing mechanism 8 is installed inside the integral frame 6 and is connected with the integral frame 6 in a fastening mode, and the rotating mechanism 8a is a basic mechanism of the executing mechanism 8 and penetrates through and is installed on the integral frame 6 in a fastening mode. According to the automatic quantitative filling and conveying device, a mechanical mechanism, a sensor, a motor, a driver and a controller are used in cooperation, manual work can be replaced for quantitative preparation of liquid, the problem that the capacity of an injection cup is insufficient or redundant during manual preparation is solved, unnecessary waste is avoided, and the automatic quantitative filling and conveying device has the advantages of being capable of achieving quantitative preparation of the liquid and convenient and fast to use.
Owner:HARBIN UNIV OF COMMERCE
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