448results about How to "Avoid dirt" patented technology

Clothing and covering system with various functions comprising at least one item, having at least one layer, at least one fabric, and at least one function. At least one function is selected from the group consisting of wearing on body, fashion display, preventing snow, preventing wind, preventing sun, preventing dust and dirt, support, comfort, performance, protection, insulation, warmth, coverage, storage, containment, drying, wiping, drainage, security, housing, water flotation, thermal insulation, heat resistance, bullet proofing, sun screening, non ironing, breasts shaping, arch support, seamless footwear, bandaging, cover polarizing, pressure addition, cover planting, electricity generation, food storage with coated paper, odor absorption, aromatherapy, moisturizing, cleansing, dust trapping, glow-in-the-dark, water and leakage proofing, and ingredient addition. Leakproof clothing and covering can control and prevent both leakage of body discharge and secretion, and leakage of rain and water. Clothing and covering with ingredient addition includes flavoring ingredient, cleansing ingredient, nutritional ingredient, and health ingredient.

The invention provides a method for largely preparing superfine spherical titanium aluminium-based alloyed powder, which belongs to the technical field of powder preparation. The method comprises the following steps: smelting high-purity aluminium and titanium sponge as main raw materials and Al-Nb intermediate alloy, Ti-B alloy, tungsten powder and high-purity yttrium scraps as auxiliary raw materials into an alloy cast ingot in a vacuum consumable electrode arc skull furnace or a vacuum induction furnace; then carrying out coarse crushing and vortex airflow milling to prepare irregular superfine alloy powder; and finally carrying out plasma spheroidization of radio frequency (RF) and the like to prepare the superfine spherical titanium aluminium-based alloyed powder. The prepared alloy powder has the advantages of high purity, fine particle size, narrow particle size distribution, good uniformity, high sphericity, good flowability and the like and can meet the demands of the technical industrial production of injection forming, gel injection molding forming, thermal spraying and the like.

The invention relates to a seal ring rubber material and a mixing method thereof. The mixing method comprises the following steps: carrying out crude rubber laminating and roller covering: adding 1-1.5 parts of aflux-42 serving as a processing agent and 1.5-2 parts of TM-80 serving as a mould release agent into 100 parts of fluororubber serving as crude rubber; mixing the above components of the rubber material for about 1 minute at the roller temperature of 40-45 DEG C, and adding 4-6 parts of activated magnesia serving as an acceptor; evenly mixing, adding 30-40 parts of a reinforcing agent which contains aramid pulp fiber; evenly mixing once again, adding 1-1.5 parts of bisphenol AF serving as a vulcanizing agent and 1-0.5 part of tert-butyl peroxypivalate (BPP) serving as an accelerator; and finally adding 5-7 parts of calcium hydroxide, packaging into a cornucopla for three or four times after all compounding ingredients are consumed up under the roller temperature of below 55 DEG C, adjusting the roller distance to be less than 0.55mm, rolling the dropped rubber for five or six times, and discharging. The seal ring rubber material has the advantages of rapid vulcanization speed of fluororubber, high production efficiency and low rejection rate.

The invention relates to a pH value detection method and a pH value detection device based on image processing, wherein a pulse signal sent by a single-chip is sent to a stepper motor, a connection rod is driven to rotate by the stepper motor, fluid to be detected is injected to pH test paper through an injection orifice of the fluid to be detected when an external end of the pH test paper falls to the center of the injection orifice of the fluid to be detected, and the pH test paper is shot by a CCD (charge coupled device) sensor under the light condition of an illuminating lamp when the pH test paper continuously falls to the center of a through groove in an image acquisition device box, so that the image acquisition of the color change signals is finished; and the acquired images are input into the single-chip for preprocessing and then are converted into an HIS color space, three characteristic value data of the color change blocks including H, I and S in the space are extracted, three characteristic values are input into a relation model both of a pre-built color block and the pH value, and the pH value is calculated, so that the online automatic detection of the pH value is realized and the influence of the human factors in the artificial reading process is avoided.

A process for recovering mangnese sulfate from low-grade mangnese carbonate (or oxide) ore includes such steps as grinding, mixing with pyrite or ferrous sulfate, adding concentrated sulfuric acid, stirring, calcining, extracting in water, removing impurities from the liquid extract, evaporating and crystallizing to obtain MnSO4.H2O.

A floating seal is provided between the fixed housing and the drive wheel, and an outside seal is provided so as to cover the outer circumference of the floating seal. The outside seal is composed of a gap between the fixed seal member secured to the fixed housing serving as a vehicle body and the rotating seal member rotatably secured integrally with the drive wheel. Blades that rotate on the outer circumference of the outside seal are provided on the outer circumference of the rotating seal member so as to protrude therefrom. By means of the blades, dirt accumulated in the fixed housing is scraped off. Therefore, dirt is prevented from being accumulated on the outer circumference of the outside seal, wherein it is possible to prevent dirt from entering the position of the floating seal and to appropriately discharge the dirt that has entered to the outside.

The invention relates to the technical field of dust collectors, and discloses a dust collector and a control method thereof, the dust collector comprises a dust collecting device and a main body, thedust collecting device is detachably mounted on the main body, and the dust collecting device is used for separating and collecting garbage; the dust collecting device comprises a driving motor and aseparator, and the driving motor drives the separator to rotate; an air suction motor is arranged in the main body, when the dust collector is started, the air suction motor falls behind the drivingmotor to be started, and when the dust collector stops, the air suction motor stops earlier than the driving motor. Through arrangement of the driving motor and the air suction motor, the driving motor drives the separator to rotate to reach the preset rotating speed, then the dust collector sucks in fluid under the action of the air suction motor, and the separation effect of the fluid for removing dust and liquid is effectively improved.

Disclosed is an elastic, removable dust cover and air freshener for securement over a ceiling fan blade. The cover is formed of a stretchable, dust-clinging material that is adapted to conform over any sized fan blade and provide secure, snug fitment thereover. The covers comprise an elongated, tubular element having an open end and a closed end, and elastic sidewalls forming an open interior section. The open end of the cover includes an elastic band to secure itself to the cross section of the blade base or along its length. The portion of the cover sidewall includes a vented pocket adapted to secure an air freshener pouch, such that the flow over the blade allows the freshener material to disseminate into the room for improved aroma. Use of the cover prevents dust from accumulating on the blade, while its outer appearance can be tailored to an individual's decor.

The invention discloses a safety rail for an intelligent power maintenance site. The safety rail comprises a rail composed of a plurality of unit protective rails, wherein optical signal connection is realized between two adjacent unit protective rails through a laser transmitter and a receiver; the receiver is connected with a controller arranged in the unit protective rail; the controller is connected with a warning device; the warning device is connected with an intelligent searchlighting device; the lower part of the unit protective rail is connected with a location base through a telescopic rod; the unit protective rail is provided with a wireless signal transmitter connected with the controller. The two adjacent unit protective rails are connected through laser signals without a middle pull rope or a rail frame; the safety rail is simple in structure, quick and reliable to pave; the connector is connected with the warning device and the intelligent searchlighting device, the promotion, warning and protection of the rail range are realized in an all-round way; the safety rail is simple in structure and is not limited to the restrictions of the size and the topography; the warning system has high intelligence and accuracy.

A table cover in the present invention comprises a rectangular sheet material such as a cloth, a synthetic resine material, etc., and multipe napkin pieces which is same material and is formed in a body with the former respectively. The napkin pieces project beyond side egdes of the sheet material and are cut off on their both side portions by a fixed length from the later. The napkin pieces also are attached optional sets of fastening members or buttons on their projected edges and on their opsite porions inward the side edges of the sheet material. Thus, those napkins can maintain cleanly on the table surface by scraping up spilled foods or spilled liquids thereon into their held portions on one's laps and prevent dirts of the dress or carpet, during a meal. The napkin pieces can also be held back to fix them within the sheet side portions, upon it's inactivity, as seen apparently as a usual table cover on a dining table.

The invention relates to a light source arrangement method for RFID (radio frequency identification) tag automatic optical detection. The method comprises a machine frame, wherein the machine frame is provided with an unreeling roll, a reeling roll, a visual detection device, a plurality of delivery wheels, a display device and an ink-jet printer, wherein one end of an RFID tag tape formed by bonding a plurality of RFID tags to a release paper tape is wound on the unreeling roll, and the other end penetrates through the visual detection device sequentially via the delivery wheels and is wound on the reeling roll; the visual detection device comprises a first detection device and a second detection device which are arranged horizontally at an interval; the first detection device comprises a front camera, a first left reflected light source, a first right reflected light source and a first transmitted light source; the second detection device comprises a back camera, a second left reflected light source, a second right reflected light source and a second transmitted light source; and the front camera and back camera are respectively connected with the display device through signal wires. The method is advanced and scientific; and the detection combination of the front and back sets and the visual solution of reflected light-transmitted light composite mode are utilized to effectively detect various types of defects in various materials.

A combination clothes dryer and air filter. The device is adapted for reversal of airflow through a housing to allow a horizontal position and a vertical position for operation. The device is adapted for easy storage in the horizontal position.

Disclosed is a shaft seal which is suitable especially for vacuum pumps such as propeller pumps. Said shaft seal comprises an inner sealing ring (18) that can be connected to the shaft, and an outer sealing ring (20) which surrounds the inner sealing ring (18). A circumferential groove (30) into which buffer gas can be introduced via a feeding duct (22) is provided in the outer sealing ring (20). A buffer gas disk (34) that is fitted with an attachment (32) which extends into the groove (30) can also be connected to the shaft (10), whereby a buffer gas chamber (28) is embodied in the groove (30). Said buffer gas chamber (28) is joined to a sealing gap (40) located between the inner and the outer sealing ring (18, 20) via a chamber gap (36) which the buffer gas can penetrate. A separation chamber (42) which is formed by the inner and the outer sealing ring (18, 20) and is connected to a discharge duct (44) in order to evacuate buffer gas adjoins the sealing gap (40).

The invention relates to a self-propelled multifunctional straw harvesting grinder. The grinder comprises a frame, wherein the frame is arranged on a front drive axle and a rear drive axle, the front end of the frame is provided with a driving cab, and one side of the driving cab is provided with an elevator; the front end of the elevator is provided with a header in a connecting way, and the rear end of the elevator is connected with a grinder body; the lower part of a connectionjunction between the elevator and the grinder is provided with a secondary recovery device, the lower part of the frame is provided with a stubble cleaner, and the frame at the upper part of the rear drive axle is provided with a hopper box. The self-propelled multifunctional straw harvesting grinder provided by the invention has the beneficial effects that vertical, inclined and lodging straws can be effectively harvested; furthermore, the harvested straws can be prevented from being mixed up with soil and impurities, and the sanitation of the ground straws can be ensured; meanwhile, the ground and leaked straws can be uniformly fed into the hopper box; in addition, the roots of the straws can be ground and returned to field when the straws are harvested; finally, the harvesting grinder is compact in structure, high in efficiency, convenient to harvest and transport and comfortable to operate, labor saving can be realized, and the great convenience can be provided for the harvesting and reusing of the crop straws.

A corner guard made for installation in floor corners is disclosed. The corner guard may be made of flexible material and have three seating surfaces and a front face. Two of the seating surfaces are positioned adjacent to intersecting wall sections, and the third surface is positioned adjacent to the floor. The edge of the guard adjacent the floor will often be radiused to facilitate cleaning. Once installed the guard improves the overall cleanliness and appearance of a room by preventing dirt or debris from accumulating in difficult to clean corners.

A swivel caster suitable to be mounted in a transportation system wherein the caster includes a wheel secured on a shaft by means of a first roller bearing, the shaft being attached near its ends to the legs of a swivel fork having a body or supporting element connected with a casing of a second roller bearing such that the casing can be mounted on the transportation system. The transportation system includes a supporting platform composed of upper and lower plates wherein the caster wheel partly extends from the upper plate and wherein the bearing casing can be mounted on the bottom plate. The swivel caster is completely mounted in a device having an opening with a rim that can be connected on the upper plate such that replacement of a swivel caster can be carried out solely by removing the device from the upper platform.

The invention discloses a water-cooled air conditioning and water heating system. The system comprises an indoor heat exchanger, an outdoor heat exchanger, a condenser, an evaporator, a compressor, an engine block and an air conditioning accessory, wherein the engine block comprises an outdoor unit and an indoor unit; the compressor comprises an air conditioning compressor and a hot water compressor which are both positioned outside the engine block; the indoor heat exchanger is positioned in the indoor unit and communicated with the indoor environment; the outdoor heat exchanger, the condenser and the evaporator are positioned in the outdoor unit; the outdoor unit is partitioned into a heat exchange water tank and a hot water tank; the condenser is positioned in the hot water tank; both the outdoor heat exchanger and the evaporator are positioned in the heat exchange water tank; the indoor heat exchanger, the outdoor heat exchanger, the air conditioning compressor and the air conditioning accessory are connected through pipelines to form a set of circulating pipeline; and the condenser, the evaporator and the hot water compressor are connected through the pipelines to form another set of circulating pipeline. By taking water as a heat exchange medium, the system fulfils the aim of energy saving; and the system further comprises a renewable energy resource heat exchange device so as to realize high-efficiency mutual conversion among solar energy, a geothermal (cold) source and air energy and continuous recycling.

A concentrating solar battery in which concentrated sunlight is guided to a solar battery cell, the concentrating solar battery including: a substrate on which the solar battery cell is mounted; a light guide member disposed above the solar battery cell such that a lower surface thereof opposes the solar battery cell; and a support member that holds an upper portion of the light guide member in a hanging manner and is provided upright on the substrate, wherein the concentrating solar battery has a structure hermetically sealed by the substrate, the light guide member and the support member.

A process for treating a water stream containing dissolved organic carbon and dissolved salts comprises subjecting the water stream to reverse osmosis after a pre-treatment step to reduce the amount of dissolved organic carbon directed in water to the reverse osmosis treatment step. The preferred pre-treatment step is a membrane treatment step such as nanofiltration. The process enables treatment of complex effluents including mixtures of domestic and industrial effluents. Treated water may be recycled and a treatment plant (100) employing the process forms another aspect of the invention.

The invention discloses a processing machine of a light guide plate. A processing platform is provided with a plurality of strip-shaped grooves which are distributed at intervals, a rotation device used for conveying the light guide plate of which lattice points are processed is arranged in the strip-shaped grooves, and the rotation device can move in the vertical direction. In the process of processing the light guide plate, the rotation device is located in the grooves, so that the lattice points of the light guide plate are processed normally; after the lattice points of the light guide plate are processed, the rotation device upwards moves in the vertical direction until the bottom face of the light guide board is higher than a jig, and the light guide plate is conveyed to a next processing station through the rotation device. By the adoption of the processing machine of the light guide plate, after the lattice points of the light guide plate are processed, the light guide plate is taken without manual work, so that not only is the efficiency for processing the lattice points ensured, but also the problems that as people make contact with the light guide plate of which the lattice points are processed when taking the light guide plate, fingerprint smudge exists and the light guide plate is scratched are solved, and the yield of the light guide plate is improved.

A toner composition comprising a binder, colorant, and a charge control surface additive mixture comprising a mixture of a first titanium dioxide possessing a first conductivity and a second titanium dioxide possessing a second conductivity and which second conductivity is dissimilar than the first conductivity; wherein the mixture of the first titanium dioxide and the second titanium dioxide is selected in a ratio sufficient to impart a selected triboelectric charging characteristic to the toner composition.

The invention relates to a steam oven and an operation method thereof. The steam oven comprises an evaporating disk arranged in an oven cavity, a steam recovery device and leakage pipe, wherein one end of a water inlet pipe is communicated with the evaporating disk or a steam generator, and the other end of the water inlet pipe is communicated with a water tank; the steam recovery device is used for recovering steam discharged out from the oven cavity, and comprises a steam guide pipe; one end of the steam guide pipe is communicated with the interior of the oven cavity, and the other end of the steam guide pipe is communicated with an inlet of a steam cooling mechanism; an outlet of the steam cooling mechanism is communicated with the water inlet pipe or the water tank through a water outlet pipe; the other end of the steam guide pipe is communicated with the inlet of the steam cooling mechanism through a steam filter; the outlet of the steam cooling mechanism is communicated with the water outlet pipe through an air channel of a forced exhaust fan; an opening in one end of the leakage pipe is formed in the inner wall of the oven cavity, and the other end of the leakage pipe is communicated with the water outlet pipe. The steam oven has the characteristics of being simple and reasonable in structure, flexible to operate, safe and reliable, and wide in application range.

An input device with the physiological measuring function includes a housing, a position-adjustable mechanism and a sensor module. The housing has a handheld part and an opening. The position-adjustable mechanism is disposed in the housing and a part of the position-adjustable mechanism is exposed from the opening. The sensor module and the position-adjustable mechanism are joined together for traction.

The call-giving system of an elevator comprises at least one optical sensor and / or a microwave sensor, which is / are configured to give a signal to the call system of the elevator about an object or shape coming into one or more virtual target areas defined in the detection area. The patent application also comprises an independent claim for a method for giving elevator calls in the call-giving system of an elevator.

An improved equestrian jump pole for use in equestrian sports. The pole comprises an elongate section of tubing, which is preferably formed from a fiberglass material. The tubing is filled with a filler material, which preferably comprises a polymer foam material, such as polyurethane or latex-based foam rubber and the like. The respective ends of the pole further are preferably provided with cap members to prevent dirt, water and the like from infiltrating the interior of the tubing. The poles advantageously can be formed to have an exact length, shape and weight, and are substantially more durable than conventional jumping poles.

The invention discloses a textile thread lubrication device. The textile thread lubrication device comprises a base; a box body is fixedly connected to the upper end of the base; a heating box is fixedly connected to the upper end of the box body; a first circular ring is fixedly connected to the lower end of the heating box; a cylinder is slidably connected to the inner wall of the first circularring; a plurality of springs are symmetrically and fixedly connected to the inner wall of the cylinder; one end, away from the inner wall of the cylinder, of the plurality of springs is fixedly connected with an arc-shaped plate in a hollow structure; and the first circular ring is provided with an oil guiding device for inputting oil in the arc-shaped plate. According to the textile thread lubrication device provided by the invention, the cylinder drives the arc-shaped plate to rotate, so that the oil in the heating box flows into the arc-shaped plate through the oil guiding device, and flows out from an oil guiding hole, thus comprehensive oil infiltration is carried out on textile threads, the oil infiltration efficiency on the textile threads with different thicknesses is accelerated,and the oil can be heated through a heating plate, so that the situation that the circulation of the oil is affected due to the solidification of the oil when the weather is cold, so that the oil infiltration efficiency of the textile threads is affected is avoided.

The invention relates to a photovoltaic laminating piece. The photovoltaic laminating piece comprises a transparent cover plate, a first sealing layer, a battery piece layer, a second sealing layer and a back plate which are laminated in sequence, wherein the battery piece layer comprises a plurality of connected battery pieces and a converge belt electrically connected onto the battery pieces; an electrode exposing hole is formed in the back plate, and the electrode exposing hole passes through the back plate and the second sealing layer so that the converge belt is leaked out. According to the photovoltaic laminating piece, the hidden cracking problem of the battery pieces caused by improper outgoing line penetration is avoided; and the manual workload can be greatly reduced. Moreover, the electrical connection quality of the photovoltaic laminating piece and a junction box is improved, the workload of subsequent cleaning stations is reduced, and the cleaning frequency and workload of a laminating machine are reduced. The invention also provides a preparation method of the photovoltaic laminating piece and a photovoltaic module comprising the photovoltaic laminating piece.

The invention relates to the technical field of aluminum alloy machining devices, in particular to an automatic edge covering device for aluminum alloy doors and windows and a using method. The devicecomprises a base and further comprises a controller, a feeding mechanism, a machining table, a gluing mechanism and a mounting mechanism; the feeding mechanism comprises a conveyor and a clamping assembly; the gluing mechanism comprises a supporting table, a gluing assembly and a sliding assembly; the machining table is rotatably arranged between the conveyor and the supporting table to contain the aluminum alloy doors and windows; the mounting mechanism comprises a placing frame and a pressing assembly, and the pressing assembly is arranged beside the placing frame; and the conveyor, the clamping assembly, the gluing assembly, the sliding assembly and the pressing assembly are all electrically connected with the controller. According to the automatic edge covering device for the aluminumalloy doors and windows and the using method, edges of different thicknesses can be covered; and meanwhile, glass and aluminum alloy frames can be tightly assembled together, and the drying functionis achieved so that the next procedure treatment or application can be conveniently and rapidly carried out on the aluminum alloy doors and windows, and the edge covering efficiency is improved.