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76 results about "Head drop" patented technology
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Football training aid and method
A training aid is attached to the rear region of a user's helmet and alerts the player with an audible beep when the player's head drops into a downward unsafe or improper position. A printed circuit board containing a horn, battery and tilt switch is located within a protective housing attached by an adhesive to the rear region of the player's helmet. An external switch enables the player to manually turn the circuit ON or OFF.
Owner:GALLO CHRISTOPHER J
Upflow Filtration and Method Apparatus for Stormwater Treatment
ActiveUS20070289908A1Minimizes head lossGeneral water supply conservationTreatment involving filtrationFilter mediaStormwater treatment
An upflow stormwater filter has horizontally aligned filter media to provide a high throughput for treatment of contaminated water, longer life to filter media, and without material head drop.
Owner:AQUASHIELD
Upflow filtration and method apparatus for stormwater treatment
ActiveUS7534344B2Minimizes head lossGeneral water supply conservationTreatment involving filtrationFilter mediaStormwater treatment
An upflow stormwater filter has horizontally aligned filter media to provide a high throughput for treatment of contaminated water, longer life to filter media, and without material head drop.
Owner:AQUASHIELD
Machine tool
ActiveCN104669023ASave man hoursReduce in quantityPositioning apparatusMetal-working holdersSteel ballHead drop
The invention relates to a machine tool. The machine tool has a tool magazine. Multiple clamping arms that can swing are arranged at the periphery of a main body of the tool magazine. The main body of the tool magazine is provided with guide components that correspond to the multiple clamping arms in position. Steel balls arranged on the rear ends of the clamping arms slide on guide surfaces of the guide components. The guide surfaces are bent in a substantially arc manner and are bent by surrounding axes of the clamping arms. During tool changing, when the steel balls are disconnected from grooves in the guide surfaces, the steel balls slide toward the other end of the guide surfaces, and stop in bent positions of the guide surfaces. Cam driven parts arranged on the clamping arms are arranged below cam surfaces of auxiliary cams positioned on a main shaft head. When the main shaft head drops in the above state, the cam driven parts abut against the cam surfaces of the auxiliary cams, and the clamping arms recover and can swing normally.
Owner:BROTHER KOGYO KK
Vertical concrete conveying system of small and medium hydropower station at high steep slopes
InactiveCN101812845ASolve shipping problemsReduce displacementFoundation engineeringSteep slopeHead drop
The invention discloses a vertical concrete conveying system of a small and medium hydropower station at high steep slopes, relating to a concrete conveying system. Through flexibly combining a belt conveying section, a chute conveying section, a chute barrel conveying section and an upright post chute conveying section, the concrete conveying system solves the problems of concrete conveying under the environment of large angles, great head drops and high steep slopes, and is in particular suitable for a concrete conveying task of a project in high-mountain gorge zones. Through improvement on the technology of the conventional concrete vertical conveying, the concrete vertical conveying system saves the materials, shortens the construction periods, reduces the construction difficulty and ensures the construction security.
Owner:CHINA GEZHOUBA GROUP CO LTD +1
Automobile head-up display device
ActiveCN103777353AIncrease profitExtended pathProjectorsVehicle componentsHead-up displayDisplay device
The invention belongs to the technical field of automobile display, and particularly relates to an automobile head-up display device. The automobile head-up display device comprises a shell which is internally provided with an inner cavity. An opening communicated with the inner cavity is formed in one side of the shell. A light source and a light guiding assembly are arranged inside the inner cavity, wherein the light source emits laser in a scanning mode, and the light guiding assembly reflects the laser in a reciprocating mode so as to form multi-stage reciprocating light paths, projects the multi-stage reciprocating light paths to a windscreen of an automobile through the opening and displays an image in the front of the automobile. Therefore, the light source is arranged inside the shell and emits the laser in the scanning mode, and the laser is reflected repeatedly in the reciprocating mode through the light guiding assembly to form the multi-stage light paths, so that the length of the light paths is extended, and telephoto imaging display is achieved. In this way, the display content can be projected in the distance at the front end of the automobile, alternating conversion between head drop and head up and variation adjustment of the focal length of the eyes of a driver are avoided, an excessively-large heat radiation structure does not need to be adopted, the size of the automobile head-up display device is greatly reduced, the light utilization rate is improved, and it is ensured that the display content can be clear and visible even under the strong sunlight.
Owner:SHENZHEN DIANSHI INNOVATION TECH CO LTD
Water cooling heat pump type multiple air-conditioning unit
ActiveCN101338951AImprove energy efficiency ratioSmall form factorHeat pumpsCompression machines with reversible cycleFour-way valveVapor–liquid separator
A water-cooling heat pump typed multi-connected air-conditioning unit comprises a compressor, an oil separator, a four-way valve, an outdoor heat exchanger, an outdoor electronic expansion valve, a liquid receiver, a liquid valve, a gas valve, a plurality of indoor electronic expansion valves, a plurality of indoor heat exchangers and a gas-liquid separator which are connected through pipes. The multi-connected air-conditioning unit is characterized in that the outdoor heat exchanger is a water-cooling heat exchanger; the pump unit comprises an oil-return device in the outdoor heat exchanger, and a subcooler. The outdoor heat exchanger of the invention adopts a water-cooled heat exchanger, which significantly increases the energy efficiency ratio of the pump unit, reduces the external dimension of the pump unit. The oil-return device in the outdoor heat exchanger ensures the pump unit to have good oil-return characteristics in thermo-producing conditions, thus realizing the safe and reliable running of the pump unit. The subcooler can prevent instantaneous vaporization of the refrigerant during long-range transmission, thus maintaining the stable and reliable economic running of the pump unit under high head drop of a long connecting pipe.
Owner:NANJING TICA AIR CONDITIONING CO LTD
Device of neodymium iron boron automatic suppressing orientation forming and method
The invention discloses a device of neodymium iron boron automatic suppressing orientation forming. The device of the neodymium iron boron automatic suppressing orientation forming comprises a fixed mould, a movable mould, an electromagnet and a magnet exciting coil. The fixing mould comprises a metal mould sleeve and a rubber mould arranged in the metal mould sleeve. The movable mould comprises a steel upper pressing head and a rubber upper pressing head fixed below the steel upper pressing head. A method is further provided at the same time. The method includes the following steps that the rubber upper pressing head drops when the upper end surface of the rubber mould is filled by magnetic powder. An orientation magnetic field drops to zero when density of a magnet blank meets the requirement. A demagnetization magnetic field is provided and the demagnetization magnetic field drops to zero. Production cost is reduced. Demoulding is simple. Pressure can be improved when the device of neodymium iron boron automatic suppressing orientation forming is pressed. The problem of demoulding is not needed to be worried about. The prior isostatic pressing process can be achieved at the same time when the device of neodymium iron boron automatic suppressing orientation forming is pressed. Two steps of the existing technology on the same platform device are achieved. Production efficiency is greatly improved.
Owner:宁波永久磁业有限公司
Process for laser cladding for abrasion-resistant and etch-resistant coating of water turbine set bottom ring
InactiveCN101994115AExcellent wear resistance and corrosion resistanceImprove wear resistanceMetallic material coating processesMachined surfaceWater turbine
The invention relates to a method for laser cladding for an abrasion-resistant and etch-resistant coating of a water turbine set bottom ring. The method is characterized by comprising the following steps of: welding an oblique angled process ring at a right angle where the inner ring surface of a leak-preventing ring of the bottom ring is jointed with an abrasion-resistant plane by using a nickel-based welding wire; removing oil and rust from a machined surface; marking subareas of a machined area; inspecting the machined places of an abrasion-resistant plate of the inner ring surface of the leak-preventing ring of the bottom ring and a plane abrasion-resistant plate by a dye penetrant inspection method; selecting iron-based alloy powder; making the alloy powder out from an automatic powder feeding head drop into a laser weld pool by using laser equipment and adjusting an automatic powder feeding device; regulating the powder feeding amount to make the thickness of an alloy powder coating between 0.2 and 1.8mm; and inspecting the machined places of the abrasion-resistant plate of the inner ring surface of the leak-preventing ring of the bottom ring and the plane abrasion-resistant plate by the dye penetrant inspection method. The laser cladding alloy coating is uniform and compact, has firm metallurgical bonding with a substrate and has high abrasion resistance and etch resistance.
Owner:SHENYANG DALU LASER COMPLETE EQUIP
Power tool
ActiveCN103252756AQuick changeImprove work efficiencyPortable power-driven toolsOperating pointPower tool
The invention relates to a power tool comprising a housing, an output shaft, a storage clamp, a connecting shaft, an operation part and an automatic switching device. A motor and a transmission mechanism are arranged in the housing. The output shaft is provided with an axially arranged shelter hole sheltering an operating head. Rotating power output by the motor is transmitted to the output shaft through the transmission mechanism. The storage clamp comprises a plurality of sheltering bins for sheltering the operating head. The connecting shaft can penetrate through one of the sheltering bins to enable the operating head in the sheltering bin to axially move between an operating position fittingly connected with the output shaft and release position of the operating head dropping out of the sheltering bins. The operation part is arranged on the housing and used for controlling axial motion of the connecting shaft. The automatic switching device responds to motion of the operation part and adjusts the position of the storage clamp through a control mechanism, and the control mechanism can be meshed with or separated from the storage clamp and can be operated to move from the starting position to the finish position so as to drive the storage clamp. A stopping mechanism is arranged in the housing, and limits the control mechanism to be separated from the storage clamp when the control mechanism moves to the finish position.
Owner:POSITEC POWER TOOLS (SUZHOU) CO LTD
Method and device for generating power for illuminating of corridor lamps by using sewage pipeline of high-rise building
InactiveCN102140813ADoes not affect normal dischargeAvoid cloggingPoint-like light sourceDomestic plumbingBasementWater wheel
The invention relates to a method and a device for generating power for illuminating of corridor lamps by using a sewage pipeline of a high-rise building. The method is characterized in that a coarse dirt separating pipe, a generator, a water wheel pipe, a controller and a storage battery set are installed on the sewage pipeline of a first floor or a basement of the high-rise building, and LED sound-operated and light-operated corridor lamps are installed at the top of each corridor; and a water wheel of the generator is driven to rotate for power generation by utilizing the head drop of sewage in the sewage pipeline of the high-rise building, thereby providing free electric energy for the corridor lamps of the high-rise building. The method has no influence on normal discharge of the sewage in the sewage pipeline and can also provide life convenience for residents by utilizing the discharged sewage for power generation, thereby being a good method which realizes energy saving and emission reduction and is beneficial for countries and people.
Owner:刘方旭
Sitting posture recognition desk lamp system and recognition method based on machine vision
The invention discloses a sitting posture recognition desk lamp system and recognition method based on machine vision, and solves the problems that an existing desk lamp has no sitting posture correction function, or poor sitting postures cannot be distinguished by the sitting posture correction function, and targeted reminding cannot be performed. The system comprises a desk lamp side and a server side, the desk lamp side comprises a desk lamp, a camera, a controller, an upper computer, a reminder and a communication module, and the camera, the controller, the upper computer, the reminder andthe communication module are arranged in the desk lamp. The system acquires images, extracts coordinate information of human standard characteristic target point positions from the images, performs calculation and then recognizes and judges sitting postures of users according to preset conditions. The system is simple and reasonable and reminds the users of correcting wrong sitting postures. Theangle of the camera can be automatically adjusted, and the images are more effectively acquired to recognize the sitting postures. Humpback, head drop, head raising, head leaning and tilting behaviorsare judged according to the extracted human standard characteristic point positions, the poor sitting postures of humans can be more meticulously distinguished, and the users are reminded in a targeted manner.
Owner:ZHEJIANG KAIYAO LIGHTING
Beverage container for injecting beverage through bottom thereof
ActiveCN105555676APrevent oxidationKeep it originalLiquid flow controllersLiquid transferring devicesEngineeringHead drop
The present invention relates to a beverage container for injecting a beverage through the bottom thereof and, more particularly, to a beverage container for injecting a beverage through the bottom thereof, which is capable of maximally maintaining the taste of a beverage by minimizing contact with air and simultaneously preventing excessive foam formation due to a head drop when the beverage is poured by filling the beverage container, used for drinking liquid beverages such as beer, with the beverage from the lower part of a beverage container receiving unit through an inlet disposed at the bottom of the beverage container. In order to achieve such an objective, the beverage container for injecting a beverage through the bottom thereof according to the present invention comprises: a body having an inlet which is formed so as to penetrate the bottom of a receiving unit; a holder which is coupled to the inlet to open and close the inlet by ascending or descending, with a nozzle of a beverage supply device being inserted into the holder; and a locking member which is coupled to the ascending / descending wall of the holder, is in contact with the bottom surface of the body to allow the holder to close the inlet, and has a plurality of elastic arms for elastically supporting the holder downwardly.
Owner:NPC CO LTD
Reciprocating type hydrodynamic force water drawing rotating machinery power converting machine
ActiveCN101915200ALower requirementReduce layout requirementsMachines/enginesEngine componentsEnvironment effectGear wheel
The invention relates to a reciprocating type hydrodynamic force water drawing rotating machinery power converting machine. The piston rod of a driving cylinder is connected with a converting device by virtue of a gear rack mechanism; the two ends of the driving cylinder are respectively provided with two reversing valves which are inverse in on-off state, the reversing valve is connected with a reversing valve mechanism; the gear rack mechanism is also connected with a chain transmission mechanism, the lever transmission chain in the chain transmission mechanism is connected with one end of a lever transmission mechanism, the other end is connected with a water drawing machine chain transmission mechanism,the water drawing machine chain transmission mechanism is connected with the piston rod of a water drawing cylinder, and the two ends of the water drawing cylinder are respectively provided with two one-way valves which are inverse in direction. The equipment of the invention mainly utilizes potential energy of water, pressure difference produced by water level difference is utilized to push the piston of the driving cylinder, thus having low requirement on water flow, requiring no dam and having less environmental impact. The equipment is in full mechanical mode, has low arrangement requirement, is environmentally friendly and is applicable to being used at the position where water flow is within certain head drop.
Owner:王少林
Arch dam flood-discharge energy-dissipating structure
ActiveCN101126232BMeet the requirements of flood discharge and energy dissipationReduce flood discharge atomization intensityBarrages/weirsPower stationWater flow
The invention discloses a flood-discharging and energy-dissipating structure for the high concrete arch dam in the gorge area, which can effectively decrease the discharging atomization in the flood discharge and can meet the requirement of draining the large water flow through the dam body in the gorge area. The arch dam flood-discharging and energy-dissipating structure is provided with an upper opening and a lower opening at the dam body, an afterbay dam is arranged at the downstream of the large dam to form a plunge pool, the upper opening adopts narrow slot falling type to drain, the water flow from the upper opening and the lower opening does not collide in the air. Through the reasonable arrangement of the position, type and the discharge angle of the upper opening and the lower opening, the drained water flow of the whole dam body is fully diffused, the water flow is considerably aerified in the air, the energy per unit area shot into the downstream plunge pool is decreased, which meets the flood-discharging and energy-dissipating requirement of the dam. At the same time, the water flow from the upper opening and the lower opening does not collide in the air, which considerably decreases the atomization intensity in the flood discharge. The invention can be widely generalized and used in the power station that has high head drop, large flow and is at the deep gorge.
Owner:CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE
Screwdriver with changeable head
A screwdriver is convenient for changing driver heads. A button is released to drive an arm of the screwdriver in a first position to grasp a fixing portion of the driver head. The button is pressed to drive the arm to rotate from the first position to a second position to deform an elastic member, with the arm releasing the driver head to make the driver head drop out of the handle. Each of the driver head can be easily mounted to the screwdriver, and detached from the screwdriver.
Owner:HON HAI PRECISION IND CO LTD
Clamping system and method of anti-collision machine
InactiveCN101289141AAvoid collisionReduce maintenance costsControl devices for conveyorsProduction lineTelecommunications link
The invention provides a clamping system and a method for avoiding impacting a machine. The clamping system for avoiding impacting a machine comprises at least one clamping mechanism, an equipment controller and at least one interface terminal. The clamping mechanism is used for grabbing and shifting an object grabbed. Each clamping mechanism comprises a plurality of clamping heads and a plurality of sensors. The equipment controller is used for immediately stopping the operation of relevant equipment in a production-line when the sensors detect that the grabbed object or part of the grabbed object clamped by the clamping heads drops, so as to prevent the grabbed object or part of the grabbed object from interfering with other mechanisms to cause the impact on a machine when dropping from the clamping mechanism. Each interface terminal is corresponding to at least one sensor and is connected with the corresponding sensor; the interface terminals are connected with each other or with the equipment controller by a control and communication link bus. The clamping system and the method can effectively avoid the damage of equipment caused by the dropping of the object grabbed and grab and shift an object with damaged edge more safely.
Owner:华映视讯(吴江)有限公司
Myopia prevention and treatment glasses for controlling head position and sitting posture
InactiveCN103268023AEnhanced inhibitory effectPromote recoverySpectales/gogglesOptical partsDiseaseHabit
The invention provides a pair of myopia prevention and treatment glasses for controlling a head position and a sitting posture, and relates to the technical field of glasses for correcting the bad sitting postures of students and preventing and treating the myopia of the students. The glasses are provided with a posture correction watching region and non watching regions, wherein the posture correction watching region is a through hole or a lens; the posture correction watching region is positioned on the lower part and / or the upper part of a horizontal vision line of a glasses frame; the nearest distance between the posture correction watching region and the horizontal vision line of the glasses frame is 0-22 mm; and other regions are the non watching regions. A wearer develops good learning and working eye-utilization habits by controlling the head position and the sitting posture, so that extremely good effects of suppressing, recovering and preventing the myopia can be achieved; bad postures such as wryneck, head drop, lookdown, strabismus and crouch down of the wearer can be well corrected; and multiple cervical vertebra relevant diseases can be prevented. The myopia prevention and treatment glasses are simple in structure and convenient to use, do not need any accessory devices, can prevent and treat the myopia and have a good effect and quick response. The myopia prevention and treatment glasses are particularly suitable for prevention, treatment and correction for the myopia of the youth.
Owner:戴明华
Fast connector for tracks
InactiveCN103669128AEliminate operational accidentsQuick installationMovable tracksEngineeringHead drop
The invention provides a fast connector for tracks, and belongs to connecting devices of hanging rails under mines. One end of a track is an oblique end face, a connecting lug provided with an arc-shaped hole is fixed onto the oblique end face, a female connector body is arranged under the oblique end face, the other end of the track is a vertical end face, two parallel connecting lugs are fixed onto the vertical end face, the connecting lugs are provided with concentric holes, and a male connector body is fixedly arranged under the vertical end face. During connection, the female connector body of the track is arranged on the male connector body in a sleeved mode, the connecting lugs of two tracks are combined together, and connecting pins penetrate through the holes for connection and fixation. The fast connector for the tracks has the advantages that installation is fast, effort is saved, the connector is smooth and free of head drop, and operation security of a crane is guaranteed.
Owner:淮南市矿用电子技术研究所
Neck nursing device
InactiveCN111568621AReduce distortionReduce cervical fatigueChiropractic devicesFractureNursing careEngineering
The invention relates to a neck nursing device, and effectively solves the problem that an existing device cannot relieve chronic strain caused by head drop work in daily life and work. According to the technical scheme for solving the problems, two semicircular guard plates can be spliced and wrap the neck of a person; and the device is characterized in that guard plate air bins are formed in thetwo guard plates correspondingly, lower jaw supporting plates are connected to the interiors of the two guard plate air bins in an up-down sliding mode correspondingly, miniature air pumps are fixedly connected to the interiors of the two guard plates correspondingly, one ends of the two miniature air pumps communicate with the corresponding guard plate air bins, and the other ends of the two miniature air pumps communicate with outside air through guard plate air outlets. The device is simple in structure and convenient to operate, can effectively reduce cervical vertebra deformation and cervical vertebra fatigue possibly caused by long-time head drop work and protect the cervical vertebra of a head drop worker, and is high in practicability.
Owner:HENAN PROVINCE HOSPITAL OF TCM THE SECOND AFFILIATED HOSPITAL OF HENAN UNIV OF TCM
Ultrasonic scanning treatment head cap
The invention discloses an ultrasonic scanning treatment head cap which comprises a hood, ultrasonic head location systems on two sides and an ultrasonic head location system at the top end. The hood is composed of a front arc-shaped adjusting mechanism and a rear arc-shaped adjusting mechanism and connected to be a complete hood through a left fixing base and a right fixing base. The ultrasonic head location systems on two sides comprise a left ultrasonic head, a right ultrasonic head, corresponding adjusting sliding pins and sliding grooves. The ultrasonic head location system at the top end comprises a top end ultrasonic probe gear and rack mechanism, a sliding sleeve sliding bar mechanism and a fixed mandrel. The lower portion of a rack box of the top end ultrasonic probe gear and rack mechanism is fixedly connected with an arc-shaped rod, and the arc-shaped rod is provided with a sliding sleeve for fixing a top end ultrasonic probe. The ultrasonic scanning treatment head cap can solve the technical problems that in the ultrasonic scanning head cap technology applied at present, ultrasonic head positions are liable to variation, ultrasonic head caps are inconvenient to put on and take off, and ultrasonic heads drop easily, and the like.
Owner:北京天行健医疗科技有限公司
Traditional Chinese medicine composition for treating radioactive spinal-form encephalomyelopathy
The invention discloses a traditional Chinese medicine composition for treating radioactive spinal-form encephalomyelopathy. The traditional Chinese medicine considers that the disease is represented as neck spinal cord traverse damage of different degrees. Head drop electrical sensation disease has the clinical manifestation of progressivity, ascending and symmetry. This type of symptom is discriminated by traditional Chinese medicine as being caused by spleen deficiency, damp obstruction and meridian estrangement. Thus, traditional Chinese medicine of corncob, beautiful galangal fruit, trema cannabina, Siberian elm bark, fructus gleditsiae, calamus, pinellia ternate, edible tulip, antares grass root and rice galingale herb with functions of tonifying spleen, eliminating dampness and removing phlegm and dredging collaterals are prepared to be traditional Chinese medicine decoction. A clinical test proves that the curative effect is remarkable, the total effective rate of treatment group is 95%, the total effective rate of control group is 75%, the total effective rate of the treatment group is obviously higher than that of the control group; besides, the traditional Chinese medicine composition has no toxic and side effect, and is low in treatment cost and worthy of clinic popularization and application.
Owner:赵世超
Vertical concrete conveying system of small and medium hydropower station at high steep slopes
InactiveCN101812845BSolve shipping problemsReduce displacementFoundation engineeringEngineeringSteep slope
Owner:CHINA GEZHOUBA GROUP CO LTD +1
Control system integrated on steering wheel and based on Bluetooth technology
InactiveCN102555947AEasy to operateOvercome the disadvantage of needing to look down to find the switchElectric/fluid circuitArea networkBluetooth
The invention discloses a control system integrated on a steering wheel and based on the Bluetooth technology, which comprises a Bluetooth wireless signal transmission circuit and a Bluetooth wireless signal receiving circuit. The Bluetooth wireless signal transmission circuit comprises a keyboard, a keyboard control circuit, a controller module, a Bluetooth wireless signal transmission module, a voltage converter and a battery, and the Bluetooth wireless signal receiving circuit comprises a Bluetooth signal receiving module, a controller module, an eight-path D-type latch, a decoder, a controller expanding module, a liquid crystal display circuit, a controller area network (CAN) bus control module and a CAN bus driving module. The control system integrated on the steering wheel and based on the Bluetooth technology leads most operations commonly used in a driving process to be achieved conveniently on the steering wheel, overcomes defects for looking for switches through head dropping in a traditional driving process, simultaneously leads operations of an automobile electronic control system to be more convenient by using the Bluetooth wireless transmission technology.
Owner:HUNAN UNIV
Water flow electric generating apparatus
InactiveCN101302985AEfficient conversionExtensive and efficient conversionMachines/enginesEngine componentsWater flowEngineering
The invention provides a water flow generating set which comprises an idler wheel and a generator, wherein, the idler wheel is composed of an idler wheel axel and a plurality of rectangular or foursquare rolling plates with same size which are evenly distributed on the idler wheel axel along the idler wheel axel direction and accord with the water flow and the power generation requirements of the generator; the idler wheel is connected with the rotor of the generator by the idler wheel axle; water flow pushes the idler wheel and the rotor of the generator to rotate by lashing the rolling plates on the idler wheel so as to realize the transformation of hydraulic energy of water flow to electrical energy. The hydro generating set of the invention can transform the hydraulic energy of water flow efficiently, and especially transform the hydraulic energy of water flow without head drop, thus realizing the high-efficient and broad transformation and utilization of the hydraulic energy of water flow, especially the hydraulic energy of water flow without head drop.
Owner:苗凤祥
C-shaped thin piece molding device
Owner:蒋飞雪
Metal rack inserted type broom with replaceable sweeping head
A metal rack inserted type broom with a replaceable sweeping head comprises a broom handle and the sweeping head, wherein the sweeping head is composed of brush bristles and a brush holder, and a movable connecting portion is arranged between the broom handle and the sweeping head. The metal rack inserted type broom is characterized in that the movable connecting portion comprises a broom holder and the brush holder capable of being inserted into the broom holder, wherein the broom holder is fixedly connected with the lower end of the broom handle, the lower portion of the broom holder is provided with a groove, a cross section of the groove is in a shape of an inverted Chinese character 'tu'. The brush holder is a cubic convex block matched with the groove of the broom holder tightly, and the brush bristles are arranged under the brush holder. A triangular reinforcing piece is arranged at the connecting position of the broom handle and the broom holder, and the broom handle, the reinforcing piece and the broom holder are made of metal. The sweeping head of the broom is movably connected with the broom holder, after the brush bristles of the sweeping head drop or are damaged, the broom can be continuously used only by replacing the sweeping head, and waste and environment pollution caused by the fact that the whole broom is replaced are avoided.
Owner:黄象海
Piston with blow-by feature and method of preventing catastrophic failure to an internal combustion engine
ActiveUS8635943B2Reduce riskAvoid catastrophic failureMachines/enginesPistonsCombustionExternal combustion engine
A piston and method is provided that inhibits the potential catastrophic damage to an internal combustion engine, thereby reducing the risk of costly damage to the engine. The piston includes a piston body having an upper combustion surface separated from an internal cooling chamber by a wall. The a pocket extends into the upper combustion surface to a closed bottom surface of the wall. A tubular member is disposed in the pocket. The tubular member extends upwardly from the upper surface. Should a valve head drop from its normal operating position, the valve head impacts the tubular member and forms a blow-by through passage extending from the upper combustion surface into the cooling chamber.
Owner:TENNECO INC
Horizontal type hydroelectric generator system
InactiveCN101975134ACombined technical requirements are lowSimple structureHydro energy generationReaction enginesWater sourceHead drop
The invention discloses a horizontal type hydroelectric generator system which comprises an outer shell, hydroelectric receivers and generators, wherein the outer shell comprises two or more integrated prismatic tables, and a water sump for regulating water depth and balance is arranged in the outer shell; a plurality of generators are installed in the outer shell, and a plurality of hydroelectric receivers are installed on the outer shell. The horizontal type hydroelectric generator system has the advantages of low technical requirements, simple structure, easy manufacturing, easy assembly, low cost, firmness, durability, easy maintenance, zero head drop, zero power consumption and zero emission; and the horizontal type hydroelectric generator system is applicable to river and sea water areas with water flow, the natural resources and space can be effectively utilized as much as possible, water resource sharing in all aspects and environment protection are taken as chief principles, water resources do not need to be completely occupied and cut off, and the normal running of sea channels is not influenced.
Owner:吕启伟
Ecological purification system for decentralized domestic sewage of villages and towns in mountain areas
ActiveCN102107991AEfficient purificationMeet treatment emission standardsEnergy based wastewater treatmentMultistage water/sewage treatmentTerrainVegetation
The invention discloses an ecological purification system for decentralized domestic sewage of villages and towns in mountain areas, which consists of a natural convergence and channel sedimentation basin subsystem, a fall-off oxygenaeration subsystem, a flood and sewage dividing subsystem, an enhanced medium treatment subsystem and a ditch vegetation interception subsystem, wherein in the natural convergence and channel sedimentation basin subsystem, natural runoff channels are taken as a convergence system, and sedimentation basins are built at equal intervals to intercept sediment; the fall-off oxygenaeration subsystem is constructed through natural head drop of mountain creeks according to terrains, the head drop is 5m and ditches above the fall-off oxygenaeration subsystem are smooth; the sewage is filtered and divided by the flood and sewage dividing subsystem; flood and sediment enter the enhanced medium treatment subsystem and a strong adsorption clay material and a sand filler are taken as main media in the enhanced medium treatment subsystem; and the sewage treated by the enhanced medium treatment subsystem enters the ditch vegetation interception subsystem, and is treated and discharged. The ecological purification system is simple and reasonable in structure and low in operating cost and has great promotion and application value in the field of purification of the domestic sewage of the villages and towns in the mountain areas.
Owner:INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI +1
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