500results about "Way cleaning" patented technology

A method and device for tinnitus therapy. The method includes generating pure sounds, each having a predetermined frequency, within an audible range, and waiting for a user to press an input button when the user hears the pure sound. Then, the hearing characteristics of the user are interpreted in conjunction with equal loudness contours. From this interpretation, either a tinnitus masking method or a tinnitus retraining therapy are selected according to the hearing characteristics of the user.

A composition for reducing the buildup of snow and ice on a surface. The composition includes a sugar-water mixture having approximately 15 to 80 percent by weight of a sugar solid, wherein the sugar solid contains approximately 2-60 percent by weight of a monosaccharide.

A system is provided for use with, a wheeled vehicle. The system includes a media reservoir capable of holding a tractive material that includes particulates; a nozzle in fluid communication with the media reservoir; and a media valve in fluid communication with the media reservoir and the nozzle. The media valve is controllable between a first state in which the tractive material flows through the media valve and to the nozzle, and a second state in which the tractive material is prevented from flowing to the nozzle. In the first state, the nozzle receives the tractive material from the media reservoir and directs the tractive material to a contact surface such that the tractive material impacts the contact surface that is spaced from a wheel / surface interface. The system can modify the adhesion or the traction capability of the contact surface with regard to a subsequently contacting wheel.

The invention mainly provides a connection device for a weeder installed on a rail vehicle, which includes a weed identification camera, a PC connected to the weed identification camera for identifying weeds, and a meteorological unit. The units are all connected to the control PC. . The control PC is connected to the control panel, and the control panel is connected to the spraying unit through the electronic control unit and the electronic dosing unit. The spray unit includes a water tank, a pump, a flow meter, a control valve, a spray rack with a shaft and a nozzle, and a chemical tank, a chemical pump, and a chemical flow meter, all of which are connected together. The connection device also includes a species recognition camera connected to the species recognition PC, a landscape tracking laser camera connected to the landscape tracking PC, and a pre-spraying unit and a spraying unit. In addition, the present invention also mainly provides a method for weeding using the above-mentioned connecting device.

The invention generally relates to a surface treatment distribution apparatus and spray assembly apparatus method capable of applying a variety of surface treatments, for example mastic surface treatments, to a variety of highways, roadways and other asphalt surfaces of variable shapes and sizes. The invention generally includes a tank, pumps, operator station, control inputs, filter assemblies, spray bar and self cleaning spray tip assemblies. Each spray tip assembly includes a self cleaning functionality whereby the operator may remove any debris or clogging material from one or more spray tips with a pneumatically actuated plunger located in the spray tip assembly that acts to force the debris or blockage out of the spray tip. The plunger retracts after actuation and the spray tip assembly is then ready to resume spray operations as desired by the operator.

Provided is a method of detecting the presence of a target bio-molecule or a concentration of the bio-molecule using a field effect transistor. The method includes: contacting a first sample having a first target bio-molecule with a reference electrode of a field effect transistor; measuring a first electric signal change of the field effect transistor; contacting a second sample with a sensing surface of the same field effect transistor; measuring a second electric signal change of the field effect transistor; and comparing the first electric signal with the second electric signal.

The disclosure shows an exemplary system for unloading and distributing bulk materials. In one embodiment, a powered conveyor system including a conveyor belt is coupled with the bed of a truck. There may be one or more wings attached to the truck bed for directing the flow of a bulk material from the truck with the conveyor system. Various other embodiments implement different types of vehicles for transporting bulk material.

A material spreader is adapted to dispense granular material from a vehicle. The material spreader includes a feed chute having a discharge opening and a discharge disc assembly disposed below the feed chute. The discharge disc assembly includes a spinner disc adapted to receive granular material from the feed chute, a shroud disposed in at least partial covering relation to the spinner disc, and a rotational drive operatively connected to the spinner disc such that the spinner disc is rotatable within the shroud about a rotational axis. The shroud includes a pass-through opening disposed in substantially aligned relation with the discharge opening of the feed chute at a position radially removed from the central rotational axis. The discharge disc assembly is rotatably mounted in pivoting relation about a pivot axis extending through the pass-through opening and the discharge opening of the feed chute.

A free-standing roller apparatus for clearing screens on dispensers sitting within truck dump bodies is provided. The roller apparatus provides a hard bristle, rotating roller attached to an arm, which allows the roller to be lowered onto the dispenser screen. The roller adjusts automatically to the height of each truck.

A handheld spreader having a fillable container for dispensing particulate from an electrically powered blower assembly in a detachable base. The spreader includes a feed slide leading from the container to the air stream channel of the base that has a vibrating eccentric plate for guiding and improving the flow of particulate from container into the air stream. The container and base are frictionally engaged together, thereby allowing for easy assembly of spreader, including assembly after container has been filled with particulate, as well as easy reassembly if container is removed and refilled. The spreader includes a rotating slide that may be operated by a user to open and partially close the feed slide of the container to control the feed rate.

A material spreader having a hopper for containing material and a liquid tank containing liquid adjacent the hopper. The liquid tank has a passage extending from the hopper through the tank with a discharge opening. An auger extends through the hopper and passage for conveying material to the outlet for delivery to a spinner for distributing the material. At least one nozzle is mounted in the passage for spraying liquid onto the material as it is being conveyed through the passage.

The cartridge spreader system includes a mobile cartridge spreader with a cartridge station configured to engage a cartridge and includes a locking controller for locking the cartridge securely into the cartridge station. The cartridge station includes an activator mechanism for activating and deactivating an engaged cartridge. The cartridge spreader includes an activation controller for activating and deactivating the cartridge. Activation of the cartridge allows the granular product contained in the cartridge to flow out of the container, through a granular chute on the cartridge station, and onto a granular product launcher which launches or impels the granular product over terrain or other surface. When the cartridge is deactivated, the flow path is sealed stopping the flow of granular product. The cartridge itself includes a fitment that engages with the cartridge station. The cartridge fitment includes an appropriately sized metering gate.

A solution making system and apparatus are described. The solution maker mixes a chemical or slurry with a solvent to a desired concentration. The concentration of the solution is monitored by one or more methods. Based upon this measurement, the concentration of the solution may be adjusted.

In one embodiment, a hopper spreader apparatus for spreading granular material is provided. The hopper spreader apparatus includes a hopper, a spreading unit, and a dispensing unit. The hopper has a storage cavity for storing the granular material to be spread. The spreading unit spreads the granular material. The dispensing system transports the granular material from the hopper to the spreading unit. The dispensing system includes a conveying unit and a rotating first roll. The conveying unit conveys the granular material toward the spreading unit. The rotating first roll controls a flow of granular material from the hopper to the conveying unit. The use of the rotating roll allows for control of high flow material (such as for example dry salt) while allowing for improved collapse and break-up of low flow material (such as for example wetted sand).

A dispensing system store and selectively dispenses granular products, such as corn, nuts, grain, or animal feed pellets, or for inedibles such as roadway salt, sand, gravel, fertilizer, seeds, or the like. The system includes a main housing with a storage hopper and, typically, at least one other internal area or region for additional components, such as a camera or a cable spool. The storage hopper has a lower dispensing portion and an upper filling portion. A flexible securing member secures the main housing to a tree or other support surface. The securing member is extendable, retractable, and lockable relative to storage hopper by a retractor at the housing, and a distal end is selectively attachable to a receiving portion at the main housing, so that the securing member may be looped around a tree. Optionally, a game camera is mountable in the main housing.

The invention discloses an environmental protection road guardrail, which comprises a base, and two bases are symmetrically arranged on the left and right, and a pillar is arranged on the upper side of the base, and a groove is opened on the inner upper part of the pillar, and a groove is arranged in the groove. A spring, the upper end of the spring is provided with a support rod, the lower side of the support rod is provided with a muffler box, the upper end of the pillar is provided with a support plate, the upper side of the support plate is provided with a planting pot, and the upper end of the support rod is provided with a water storage The upper end of the water storage tank is connected with a rainwater collection cover through a pipeline. A second water pump is arranged inside the water storage tank. A water delivery pipe is arranged on the second water pump. The lower ends of the water delivery pipes are connected with the horizontal pipe. In the deicing agent box, a third water pump is arranged inside the deicing agent box, and a feeding pipe is arranged on the third water pump. The invention has the advantages of simple structure, convenient use, anti-climbing, good sound-absorbing effect, snow removal, water filling for vehicles, and strong environmental protection.

The invention discloses an intelligent prewetting snow removing spreader, comprising a body, a snow removing shovel and a snow melting spreading mechanism, wherein, the snow melting spreading mechanism comprises a bin used for storing a snow melting agent, and a belt conveying device which is arranged at the bottom of the bin and is used for conveying the snow melting agent stored in the bin to a rotating spray mechanism. The spreader is characterized in that: the snow melting spreading mechanism also comprises the rotating spray mechanism used for spraying the snow melting agent, water tanks used for loading a salt solution and arranged longitudinally along both sides of the bin, box bodies used for storing preservative liquid and arranged beside the water tanks, a generator fixed at one side of the bin and above the belt conveying device, a control cabinet A which is mainly used for controlling the operation of the generator and is arranged at one side of the generator, and a spreading control system used for controlling the spreading amount of the snow melting agent according to the speed of the spreader. The intelligent prewetting snow removing spreader has simple structure and convenient operation; simultaneously, the spreading amount of the snow melting agent can be controlled according to the speed of the spreader, therefore, snow removing effect is obviously improved.

Method and arrangement for dispensing a deicing liquid onto a traffic area through a stationary spraying arrangement. The method includes generating deicing liquid jets in the spraying arrangement, and discharging an amount of deicing liquid from each deicing liquid jet at a rate of less than approximately 1 l / min. The arrangement includes at least one deicing liquid pump, at least one deicing liquid conduit coupled to the at least one deicing liquid pump, and a plurality of spraying heads coupled to the at least one deicing liquid conduit. The spraying heads include at least one outlet opening having an inner diameter between approximately 0.1 mm and 1 mm.

A combination blower assembly and string trimmer whereby the string trimmer head is easily detachable without the use of any tools. The device includes a blower assembly that further includes an upper and lower housing mated together to form a volute-shaped cavity where an impeller with airfoil-shaped blades reside. The detachable string trimmer head is located under the lower housing of the blower assembly and is easily attached or removed from the blower assembly by a simple push and turn motion. The blower assembly further includes an air inlet and air inlet cover. When the air inlet cover is rotated to a position where the air inlet is open the blower assembly is operable and the string trimmer is inoperable. Furthermore, when the air inlet cover is rotated to a position where the air inlet is closed the blower assembly is inoperable and the string trimmer is operable.

A spreader (100) for spreading material, which in one embodiment comprises an upper bracket (120), a shaft (140), a return spring (160), a lower bracket (180), first and second sets of chain links (200a and 200b), and a spreader plate (220). The upper and lower brackets (120 and 180) are preferably aligned in the same vertical plane. The first and second chain links (200a and 200b) are located on opposite sides of the spreader (100) and on either side of the shaft (140). Upon rotation of the spreader (100) the first and second sets of chain links (200a and 200b) experience a centrifugal force sufficient to cause the spreader plate (220) to move down the shaft (140) and upon ceasing rotation the spreader plate (220) returns to a default position proximate to the top of the shaft (140).

The invention relates to a snow melting device, more specifically to a detachable road snow-melting agent spraying device. The detachable road snow-melting agent spraying device comprises a detachablelocking base mechanism, a lifting mechanism, a snow-melting agent sprinkling mechanism and a vibratory feeding mechanism. The detachable road snow-melting agent spraying device can automatically convey a snow-melting agent into the device, can uniformly spray the snow-melting agent, can control the spraying quantity of the snow-melting agent, can lift and can change working positions; the university is high; the detachable road snow-melting agent spraying device can guarantee longer-time service life; the lifting mechanism is positioned above the detachable locking base mechanism; a connecting mode between the lifting mechanism and the detachable locking base mechanism is welding; the snow-melting agent sprinkling mechanism is positioned above the lifting mechanism; a connecting mode between the snow-melting agent sprinkling mechanism and the lifting mechanism is welding; the vibratory feeding mechanism is positioned above the snow-melting agent sprinkling mechanism; and a connectingmode between the vibratory feeding mechanism and the snow-melting agent sprinkling mechanism is partial welding and partial clearance fit.

A gravity-feed spreader for particulate matter may include a rotor. The spreader may be operable for gravity-feed operation with the longitudinal axis of the rotor in a horizontal position. A generally cylindrical rotor housing with a pair of closed, axial ends may be coaxial with the rotor. Entrance and exit apertures for the particulate matter may be formed in the surface of the rotor housing between the closed, axial ends. A rotor driver may be coupled to the rotor shaft for rotating the rotor. An intake housing may include a passageway therethrough for the particulate matter. A gate may be provided for selectively opening and closing the particulate matter passageway in the intake housing. An agitator may be coupled to the rotor shaft for facilitating movement of particulate matter through the passageway in the intake housing.

The invention relates to a municipal road surface laying machine capable of carrying out weeding and flattening on an eco-concrete slope. The municipal road surface laying machine capable of carryingout weeding and flattening on the eco-concrete slope comprises a supporting device, a weeding device, a cleaning device, a trimming device and a collecting device, wherein the weeding device is installed at the left end of the front side of the supporting device; the cleaning device is installed at the right end of the front side of the supporting device; the trimming device is connected with themiddle of the rear side of the supporting device; and the collecting device is installed at the right end of the supporting device. By means of the municipal road surface laying machine capable of carrying out weeding and flattening on the eco-concrete slope, the problems that when the slope is treated before eco-concrete construction at present, weeding is difficult and not thorough, pumice stones on the slope need to be treated manually, cleaning of the pumice stones and impurities is difficult and not thorough, the convex position of the slope needs to be cut manually, and cut stones can not be collected and have the risk of harming people are solved.

A method of operating a road spray system for distributing a liquid is provided. The method involves determining a degraded status of a road based on road condition information received from a road condition sensor. In response to determining the degraded status, a spray command is transmitted to valve control modules. The spray command is addressed to a selected one of the valve control modules and transmitted over electrical conductors which supply power to the valve control modules. The method also includes determining, at one of the valve control modules, that the one valve control module is the selected valve control module and activating a valve associated with the selected valve control module permitting flow of the liquid through the valve to a spray nozzle. Finally, the method also includes the step of receiving status information from the selected valve control module over the electrical conductors.

A material spreader having a beater bar that meters the supply of small quantities of material to the discharge opening of a material spreader hopper eliminating the need for a gate. The beater bar has one and preferably several paddles that rotate adjacent the discharge opening and as the paddle passes the opening, discharges only the amount of material on the paddle. The material spreader uses a high ratio transmission and low rpm motor to allow for extremely slow rotation of the beater bar. The motor speed can be controlled to allow very slow rotation and very small amounts of material to be discharged from the hopper. The spreader does not require a gate. The discharge of material is metered electronically.

The present disclosure relates generally to vegetation management and control, in particular, to vegetation data capture, maintenance workflow generation, prioritization, passive and continuous monitoring of vegetation, and predictive analysis for vegetation that may be within or adjacent to clearance zones for railway, transportation, utility, pipeline, range & pasture, and industrial sites.