Abstract: An assembly comprises an air blow gun and an extension tube. The extension tube is in fluid communication with an output of the air blow gun. Moreover, the extension tube has a closed distal end and comprises a tubular sidewall. The tubular sidewall defines a plurality of apertures therein. The air blow gun is operative to regulate the flow of a gas through the plurality of apertures.

Abstract: An extendable hedge trimmer includes a housing having a handle end and a tool end. The handle end includes a battery and an electrical connector. The tool end includes a hedge trimming implement, a motor, and an electrical connector. The electrical connector of the tool end is electrically connected with the motor. Wiring is included within the handle end for electrically connecting the battery and the electrical connector of the handle end. The trimmer also includes a pole which is releasably connectable between the tool end and the handle end. The pole is configured for electrically connecting the handle end with the tool end. The trimmer also includes a latch mechanism for releasably attaching the pole between tool end and handle end. The trimmer also includes an input for receiving AC line power via a power cord, the trimmer configured for being power by AC line power and/or battery power.

Abstract: A system for cleaning internal optical components of a fiber optic connector includes a source of cleaning medium such as compressed air connected to a cleaning tip. The cleaning tip has a body and a tongue that is configured to be inserted into the end of the fiber optic connector. Nozzles are formed on the tongue. The tongue may have features to open shutters and/or other protective features in the connector that normally protect the internal optical components. When the tongue is inserted into the end of the connector, the nozzles are positioned adjacent optical components to be cleaned and compressed air is delivered through the nozzles to clean the components. Backwash can be exhausted around the tongue or through the tongue to eject contaminants from the fiber optic connector.

Abstract: A device for recovering magnetic particles trapped on a magnetic plug, which includes a supporting end and a magnetized element for retaining the magnetic particles in a liquid resulting from the wear of parts with which the liquid has been in contact, the recovery device including a magnetization device and an enclosure having an opening, the enclosure to receive the magnetic plug via the opening such that the magnetized element is located inside the enclosure and the supporting end is located outside the enclosure. The opening is sized such that the supporting end blocks the opening. The device also includes an injection nozzle to inject a gaseous fluid inside the enclosure, the nozzle being oriented such that the flow of gaseous fluid expels the magnetic particles retained on the magnetized element toward the bottom of the enclosure. The magnetization device traps the particles urged toward the bottom of the enclosure.

Abstract: A manual air hand pump operated and powered by two hands of a user for blowing dust and debris from computer related equipment and accessories. The hand pump contains a cylinder, a handle, a piston movable inside the cylinder, and a cone shaped nozzle. The piston is attached to the handle at the first end of the cylinder; and the cylinder has the nozzle at the second end of the cylinder. The cone shaped hollow nozzle has a hole or opening at its tip of ideal size for blowing dust and debris from electronics, computer related equipment, and for general use in a clean manufacturing environment. A battery operated or rechargeable shake or crank flashlight or crank low voltage electric generator may also be attached to or combined with the pump to make it multifunctional and add to its utility.

Abstract: An engine blower includes a centrifugal blower having a volute case in which a fan is accommodated; an engine attached to the centrifugal blower for driving the fan; a carburetor mounted to the engine via an insulator; and a lead wire that establishes conduction between the engine and the carburetor. The electrical potential difference between the engine and the carburetor can be eliminated, which prevents electrostatic discharge between the engine and the carburetor even when static electricity is built up in a volute case or a ventilation tube. Accordingly, ignition timing can be prevented from shifting due to an influence on an electrical circuit by the discharge within an ignition unit.

Abstract: An embodiment in accordance with the present invention provides a blower and a method for landscaping and lawn maintenance. The blower includes an outer housing having an inner chamber, the outer housing defining at least one discharge port and an impeller disposed within the inner chamber of the housing. The impeller has a first side surface and a second side surface, wherein a first plurality of blades are mounted to the first side surface and a second plurality of blades are mounted to the second side surface. The second plurality of blades are a mirror image of the first plurality of blades. Air or other fluid is expelled through the discharge ports and can be directed using discharge tubes in order to redistribute debris or fluid.

Abstract: A method for producing a ceramic honeycomb structure comprising the steps of machining end surfaces of an unsintered or sintered ceramic honeycomb structure, and ejecting a gas from a slit-like orifice moving relative to an opposing end surface without contact, thereby removing dust and/or cut pieces from end surface portions.

Abstract: A device for dislodging accrued deposits is disclosed. The device includes a gas impulse generating device for generating gas blasts directed in a predetermined direction; and an additive supply device for introducing an additive into the gas blasts. A method and a computer program product for dislodging accrued deposits are also disclosed.

Abstract: The control mechanism (18) for a pressurized-gas oral cleaning appliance (10) includes a hollow valve member (44) for receiving gas from a pressurized source thereof (14) and for delivering gas to a gas exit assembly. The hollow valve member includes a rear end portion (48) having a shoulder (58) which surrounds a cavity portion (65). The valve member includes a valve wall (63) having a circumferential groove (64) and a plurality of openings (66) which connect the groove to the hollow interior of the valve member. A gas releasing assembly includes a user-activated actuation member (26) and a pusher member (36), wherein movement of the actuation member moves the pusher member and the valve in a forward direction to a first position where gas enters the hollow interior of the valve.

Abstract: A blower tube (4) to be connected to a power blower has a tube main body (42) having a distal end portion (42a) diminished in diameter toward its distal end and an attachment (44) to be coupled to the distal end (42a) of the tube main body (42) and including a distal end portion (44a) gradually diminished in diameter toward its distal end. Both these distal end portions (42a, 44a) are each provided three projections at distant position to protrude radially inward toward an axial line of the blower tube (4). The first projections (46) on the tube main body (42) and the second projections (48) on the attachment are positioned offset in phase to align in an alternate order. The blower tube (4) having the projections (46, 48) at the distal end portion can reduce the noise caused by ejection of a high-speed airflow.

Abstract: A debris herding method and apparatus is described comprising a low power air blower and a tilted rotary rake. The air blower acts together with a tilted rotary rake to dislodge and impel the debris. A motor driven chassis transports the blower and the rotary rake across the lawn. The blower and rotary rake can be energetically powered, such as by a solar cell array mounted to the chassis. The present invention is directed to an energetically efficient device for moving debris on a surface, such as leaves on a lawn.

Abstract: A blower apparatus includes: a housing has a discharge port for discharging an air current generated by a fan; and an air conveying tube which includes a plurality of tubular members including first and second tubular members which are connected to each other and which guides the air current discharged from the discharge port in a predetermined direction. The first tubular member includes an outer circumferential surface which is formed so as to gradually decrease in diameter. The second tubular member includes an inner circumferential surface which is formed so as to gradually increase in diameter. The first and second tubular members are connected to each other through the outer circumferential surface and the inner circumferential surface. One of the tubular members which is connected to the housing is configured to be connected to the housing at a plurality of rotational positions about an axis of the tubular member.

Abstract: A method and apparatus for cleaning an exhaust treatment device including a fibrous insulation comprises providing a pulsed air flow to a first port of the exhaust treatment device. A vibration is input to the exhaust treatment device while the pulsed air flow is provided. Fibers are entrained in the air flow and purged from a second port of the exhaust treatment device.

Abstract: A powered blower/vacuum unit includes a base portion having a housing and a power air-moving device within the base portion. A tube is provided that is formed by a first manufacturing operation, such as a blow molding process. The tube extends a relatively large distance away from the housing and air flows through the tube along a relatively large distance. A coupler is also included for coupling the tube to the housing. The coupler is separately formed by a second, different manufacturing operation, such as an injection molding process. The coupler includes a plurality of one-way snap-in features configured to engage a plurality of receiver features located on the tube to non-removably attach the coupler to the tube. The housing can also include at least one male component and the coupler can include at least one complementary female component for securing the coupler to the housing.

Abstract: To obtain a hand-held powered suction device, which secures a high suction performance by a lightweight fan while preventing a blade of the fan from being damaged or being broken due to a sucked object. Forming an air intake opening along a driving axis of a fan in a portable-type fan case and providing a fan protection member to be rotated at an upstream side in an air intake direction of the fan within the intake opening being attached so as to be integrally rotated with the driving axis, a shock absorbing surface that is perpendicular in an air intake direction of the intake opening is formed on the fan protection member.

Abstract: A device for cleaning a collector of a solar thermal electric power generation system is provided which does not need to secure any water source or the like and which improves the flexibility of selection of a place for installing the solar thermal electric power generation system. The cleaning device includes an air supply device and an air nozzle configured to blow air supplied from the air supply device, which are mounted on a self-propelled truck. The cleaning device is capable of blowing air blown from the air nozzle against a sunlight reflecting surface of a collector to clean up the sunlight reflecting surface. The air nozzle is configured to be capable of moving up and down. The cleaning device further includes a soiling degree measuring device for measuring soiling degrees of the sunlight reflecting surface before and after air blowing by the air nozzle.

Abstract: An apparatus including a housing having at least one window, an air burst nozzle positioned atop the housing and aimed at the window, a compressed air source, an air control solenoid connected to the air burst nozzle, the compressed air source, and a support box. The compressed air source provides compressed air to the air control solenoid. A timer module directs a magnetic valve of the support box to supply power to the coil of the air control solenoid in order to engage the solenoid. When the air control solenoid is engaged, compressed air is provided to the air burst nozzle. The air burst nozzle directs a burst of air at the window of the housing to clear it of any particulates. In accordance with user programming of the timer module, the process is then repeated at regular intervals.

Abstract: A method and apparatus is disclosed for blowing snow from the roof of a building. The apparatus includes a boom truck or the like such as a mobile concrete pump apparatus having a conduit extending from the vehicle to the outer end of the boom thereof. An air discharge nozzle is connected to the outer end of the conduit and an air compressor is connected to the inner end of the conduit. Upon activation of the air compressor, air is discharged from the air discharge nozzle onto and into the snow on the roof to blow the snow from the roof. The method of using the apparatus is also disclosed.

Abstract: An accessory for a blower having a first end with a connector assembly for connecting the accessory to the blower, a second end for directing air under pressure from the blower, a lower blade portion extending at least partly between the first end and the second end for facilitating a pneumatic shoveling operation, and an upper funnel portion extending at least partly between the first end and the second end for facilitating a pneumatic sweeping operation. The accessory can be selectively connected to the blower via the connector assembly so that the air under pressure from the blower cooperates with the lower blade portion and the upper funnel portion to perform a combined pneumatic shoveling/sweeping operation.

Abstract: An apparatus for removing particles from a shaft includes a housing having a bore that receives the shaft. The housing includes an inlet port coupled to a pressurized fluid supply, a manifold chamber in communication with the inlet port, and a plurality of bores in communication with the manifold chamber and adjacent the shaft such that the fluid flowing through the bores impinges on the shaft. The bores are angled to produce a spiraling flow pattern about the shaft. A method of removing particles from a shaft includes directing a flow of a fluid onto the surface of the shaft in a generally spiraling pattern, and removing particles from the shaft using the spiraling flow.

Abstract: An autonomous blower is described that utilizes GPS signals for blowing ground debris from a clearable area to a target area. A controller coordinates motors that propel and steer the autonomous blower. A database created in a teaching mode defines clearable, target, and no-trespassing areas with respect to GPS coordinates. An algorithm in the controller computes a serpentine trajectory for the autonomous blower so that it traverses the clearable area while transporting ground debris to the target area.

Abstract: A solar panel cleaning device includes a solar panel having a plurality of photovoltaic cells arranged in rows and embedded in the solar panel with space between the rows. A transparent dielectric overlay is affixed to the solar panel. A plurality of electrode pairs each of which includes an upper and a lower electrode are arranged on opposite sides of the transparent dielectric and are affixed thereto. The electrodes may be transparent electrodes which may be arranged without concern for blocking sunlight to the solar panel. The solar panel may be a dielectric and its dielectric properties may be continuously and spatially variable. Alternatively the dielectric used may have dielectric segments which produce different electrical field and which affects the wind “generated.

Abstract: The invention provides a spray centrifugal dedusting fan, including an air cylinder consisting of a spray cylinder, a centrifugal cylinder and a fan cylinder; the left end and the right end of the air cylinder are respectively provided with an air inlet and an air outlet communicated with each other; a spraying device is installed in the spray cylinder; a plurality of through holes are arranged on the wall of the centrifugal cylinder; a bracket is installed inside the centrifugal cylinder; at least one centrifugal impeller is installed on the bracket; a fan is installed inside the fan cylinder; an outer cylinder is installed on the external wall of the centrifugal cylinder 11; an empty chamber is arranged between the centrifugal cylinder and the outer cylinder; the lower end of the outer cylinder is connected with a water seal elbow; the water seal elbow is communicated with the empty chamber, the trumpet-shaped first water-blocking shield is connected to the right part inside the centrifugal cylinder; the le

Abstract: Portable devices for dislodging and/or capturing particulate matter that has accumulated on various surfaces or structures are provided. The devices include a body segment and a nose segment extending away therefrom. A high-pressure assembly generates a high-pressure airflow that is directed to a nozzle assembly in the nose segment. From the nozzle assembly, the high-pressure airflow can be emitted from multiple nozzles as a series of airflow bursts that discretely contact the surface from which the particulate matter is being dislodged. The configuration of each nozzle, as well as the overall arrangement and positions of all the nozzles together, is selected to impart the desired particulate matter dislodging characteristics to the device, and the device may incorporate a vacuum airflow to remove the particulate matter after such matter has been dislodged.

Abstract: A mobile leaf blower includes a main blower assembly driven by an engine or motor. The blower has a deflector box at the blower outlet with deflector plates which enable the air flow to be either directed laterally and forwardly of the blower unit or to a flexible blower tube attached to the unit. The operator may either cause the air flow to flow through the flexible blower tube or forwardly and laterally of the blower unit along the ground. When not in use, the flexible blower tube can be wound around a hose reel attached to the main handles of the ground blower unit.

Abstract: A lens cleaner includes a fixture, an elongated loading plate, two guide members, an air blowing member, an air evacuating member, and two cleaning members. The loading plate is attached to the fixture and configured for loading a number of lenses thereon. The two guide members are attached to the fixture and parallel to the loading plate. The air blowing member is configured for blowing air. The air evacuating member is configured for evacuating air. The two cleaning members are moveably attached to the two respective guide members. Each cleaning member defines a first inlet coupled to the air blowing member, a first outlet communicating with the first inlet, a second inlet, and a second outlet communicating with the second inlet and coupled to the air evacuating member. The first outlet and the second inlets open toward the loading plate.

Abstract: An implement comprising a first handle, on which are disposed control elements for the implement. A versatile use of an implement to which is secured a first handle can be provided if the first handle is secured to a tubular section of the implement via a clamp, whereby a handle is detachably mounted on the clamp and the clamp is mounted on the tubular section.

Abstract: The air-powered rotary rake is an attachment for a leaf blower or the like, providing the user with air-powered rotary blades to dislodge or agitate debris which, ordinarily, could not be moved easily with air blowing alone. The air-powered rotary rake includes a housing defining an open interior region and having opposed open front and rear ends. The rear end is adapted for releasable attachment to the leaf blower. An internal wall is mounted within a front portion of the housing and divides the housing into an upper passage and a lower passage. A spindle is rotatably mounted within the upper passage and a plurality of vanes are mounted on the spindle. When the pressurized air is diverted into the upper passage, the pressurized air impinges upon the vanes mounted on the spindle, causing the spindle to rotate and driving rotation of a plurality of blades also annularly mounted thereto.

Abstract: A blower/vacuum device includes a base supported on wheels. The device (10) has a reservoir (bag) that receives material collected by the device. Mounted on the base is a motor and impeller assembly that draws air inward and delivers the air (with collected material) to the bag. The assembly can also be operated to provide a forward delivery directed air stream.

Abstract: Sowing heart for an individual grain sowing machine including a seed disk which can rotate in one direction of rotation R, wherein the seed disk has sowing holes in a defined arrangement; a receiving region for receiving the seed in the sowing holes and a delivery region for delivery of the seed; and cleaning means for cleaning of the sowing holes during operation of the sowing heart between the delivery region and the receiving region. For improved cleaning action of the cleaning means for cleaning each hole, per revolution of the seed disk there being at least two separate cleaning phases which can be easily replaced at the same time. Furthermore, the invention relates to an individual grain sowing machine with a plurality of sowing assemblies with one aforementioned sowing heart at a time and a corresponding cleaning element.

Abstract: A spray bulb cleaner is provided for removing dust from digital camera sensors. The cleaner comprises a compressible yet resilient manually actuatable bulb body defining a deformable wall circumscribing an air enclosure. The bulb wall has an air outlet enabling air outflow from the bulb air enclosure toward ambient air when the bulb is squeezed and becomes deformed. The bulb wall also has an air intake enabling ambient air inflow into the bulb air enclosure. A releasable first one-way valve mounted at the air intake, controls air inflow from ambient air towards the bulb enclosure. A releasable second one-way valve mounted at a tubular nozzle inner end portion controls air outflow from the bulb air enclosure toward ambient air. The nozzle is mounted at to the bulb air outlet. At least a portion of the spray bulb is made from an electrostatically charged ionizing compound for neutralizing a target surface to be dusted by the spray bulb cleaner.

Abstract: An electric power tool comprises a main body supporting a tool and an electric motor housed in the main body for driving the tool. A plurality of first battery interfaces is configured to removably receive or attach a plurality of first battery packs and to electrically connect the plurality of attached first battery packs in series with the electric motor. A plurality of indicators is configured to communicate information concerning the respective conditions of the plurality of attached first battery packs. The plurality of indicators is arranged such that all of the indicators are simultaneously viewable by a user of the electric power tool.

Abstract: In various exemplary embodiments, a cart for holding and transporting a portable blower includes one or more of the following: a rotary member configured to receive a housing of a portable blower; a cylindrical base member for supporting the rotary member; a tubular member attached at a lower end thereof to the rotary member and the base member in such a way as to permit the rotary member to be rotatable while supported on the base member; a handle attached to an upper end of the tubular member; and at least one wheel attached to the cart for guiding the cart over a surface. The cart may also include a tube locking member for adjusting the height of the tubular member, a cord retention system for securing the cord of the blower in place, a stand for holding the cart upright, and a tool storage member.

Abstract: A work apparatus such as a blower apparatus (1) or a spray apparatus (31) has a drive motor (5), a blower wheel (11) and a blower tube (12). The blower wheel (11) is driven by the drive motor (5) and moves a flow of air through the blower tube (12). The work apparatus (1, 31) has a back carrier (2) on which the drive motor (5) is mounted. In order to avoid electrostatic charges during operation, the back carrier (2) has an arrangement which establishes an electrically conductive connection between the work apparatus (1, 31) and the operator (18) of the work apparatus (1, 31) during operation thereof.

Abstract: A gas jet nozzle 1 is provided that has a relatively simple mechanism capable of jetting high-pressure gas for a long period. The nozzle 1 jets high-pressure gas from a high-pressure gas bottle 12. The nozzle 1 has a jet port 2 for jetting high-pressure gas by communicating with the gas bottle 12. The nozzle 1 further has a jet passage 3 for directing to a target the gas jetted from the jet port 2 and jetting the directed gas from the front end 4 of the passage. The nozzle 1 includes an air suction part 5 for sucking atmospheric air into the gas jetted from the jet port 2.

Abstract: The reliability of backwashing valves constituted of first backwashing valves and second backwashing valves is ensured. A first backwashing valve (backwashing-gas rear valve) (7) that controls gas for backwashing and a second backwashing valve (backwashing-gas front valve) (6) that operates at slower speed than the first backwashing valve (7) are disposed, in a series including two or more thereof, at backwashing-gas introducing pipes individually provided for each of the filter blocks.

Abstract: A vibration proofing property is provided in a backpack power tool. A backpack power tool has a backpack carrying part 103 which can be carried on user's back, and a tool body 105 mounted on the backpack carrying part 103. Elastic members 133, 135 are provided which connect the tool body 105 and a body support region 113 of the backpack carrying part 103. The elastic members 133, 135 deform by receiving the weight of the tool body 105 and vibration which is caused in the tool body 105 by rotation of the rotator 123, and thereby reduce transmission of the vibration from the tool body 105 to the backpack carrying part 103.

Abstract: A tool for removing particulate matter from a diesel particulate filter (DPF) includes a container defining a chamber that has an open end, and a support associated with the open end that supports a first axial end of the DPF and forms a seal around an outside surface of the can of the DPF and the container. An air nozzle mounted proximate to a second axial end of the DPF directs a narrow flow of air through the DPF that passes through a portion of the DPF element bundle and exits through the first axial end into the container.

Abstract: A device for cleaning a selective catalyst reduction unit by directing air or a cleansing solution directly into or out of honeycomb cells of the selective catalyst reduction unit. The device utilizes a plurality of orifices which are sufficient in diameter and number to cleanse honeycomb cells thereby directing air or cleansing solution into or out of each individual honeycomb cell. The device also utilizes a plurality of probes which are sufficient in number and diameter to cleanse the honeycomb cells. The invention also involves a method for cleaning the honeycomb cells and a method for producing the catalyst cleaning tool.

Abstract: The invention relates to a processing and positioning device for processing catalyst support bodies. The device comprises a rotary indexing table, which comprises a turntable, which is rotatable about a longitudinal axis running in the axial direction of the turntable, and at least one loading platform, which comprises a holding device and is set up for releasably holding the catalyst support body on an outer surface of the catalyst support body. The at least one loading platform is connected to the turntable, whereby the loading platform is taken along by the turntable when a rotation of the turntable takes place about its longitudinal axis. The holding device is arranged in relation to the longitudinal axis of the turntable with a radial distance away from the longitudinal axis. Also provided is at least one processing position, which is fixed with respect to the turntable and is away from the longitudinal axis in a radial direction by a distance.

Abstract: A device for cleaning a collector of a solar thermal electric power generation system is provided which does not need to secure any water source or the like and which improves the flexibility of selection of a place for installing the solar thermal electric power generation system. The cleaning device includes an air supply device and an air nozzle configured to blow air supplied from the air supply device, which are mounted on a self-propelled truck. The cleaning device is capable of blowing air blown from the air nozzle against a sunlight reflecting surface of a collector to clean up the sunlight reflecting surface. The air nozzle is configured to be capable of moving up and down. The cleaning device further includes a soiling degree measuring device for measuring soiling degrees of the sunlight reflecting surface before and after air blowing by the air nozzle.

Abstract: A golf course green cleaning device configured to remove debris from the predicted putting path of a golf ball. The golf course green cleaning device further includes a housing having three contiguous portions. The first portion is generally cylindrical in shape and has disposed therein a rechargeable power supply. The second portion is spherical in shape and is substantially hollow. The second portion has a fan an motor assembly therein configured to generate an airflow. The third portion is operably coupled to the second portion and is cylindrical in shape having an internal air passage to receive the airflow from the second portion. Removably attached to the third portion distal from the second portion is a nozzle that directs the airflow exiting the third portion so as to remove debris from the predicted putting path of a golf ball.

Abstract: An apparatus and associated method are provided for treating a workpiece with a cryogenic impingement fluid. A fixture supports the workpiece in an upright position and operably connects an electrical component of the workpiece to a power source in the supported position. A cryogenic impingement fluid applicator sprays a stream of the cryogenic impingement fluid against the supported workpiece and laterally moves the stream in accordance with a predetermined path. A shield deflects the stream of cryogenic impingement fluid to prevent the stream from contacting at least a part of the workpiece as the stream is moved along the predetermined path.

Abstract: This invention relates to open or close top photobioreactor apparatus for improved productivity with a small footprint, that can be placed in varied temperature zones, above or below ground on land or in water or use in space-station for conducting aqueous aerobic or anaerobic; continues or batch wise cultivation and harvesting of photoautotrophic organism's. More particularly this invention concerns with a novel means and process for uniform optical dispersion and optical enhancement by utilizing a solar energy collection unit attached to a photo-emitting system which emits full spectrum or specific wavelength light substantially uniformly and radially along its length.

Abstract: A back carried work apparatus has a back carrier (2) with a back carrier plate (15). The back carrier plate (15) extends in an upward direction (21) and in a lateral direction (41) when the back carrier (2) is arranged on the back of an operator (14). A drive motor (8) is arranged on the back carrier (2) and rotatably drives a blower wheel (9) about a rotational axis (11) arranged transversely to the back carrier plate (15). The blower wheel (9) moves an air flow through the blower spiral (10) and blower tube (12) connected to the blower output (23) of the blower spiral (10). A simple configuration results when the blower tube (12) is pivotally mounted about a pivot axis (25) which extends in the lateral direction (41) of the back carrier plate (15).

Abstract: The present invention relates to a self-cleaning package testing socket, which comprises a base plate, a surround wall is configured on the periphery of the base plate and surrounding with a central testing tank inside. Two transversal channels respectively disposed at two opposite sides of the surround wall. Each transversal channel comprises a nozzle tube between inlet and outlet; the nozzle tube radially connects two bypass pipes. Herewith, the testing tank through the bypass pipes connected to the nozzle tubes of the transversal channels. Hence, when passing air into one end of the each transversal channel, it will cause the airflow rate inside the nozzle tube to speed up, so that the pressure inside the bypass pipes will reduce, and the testing tank results a vacuum-clean effect. Therefore, the present invention can be on-line self-cleaning the test socket.

Abstract: An air gun equipment (10) for cleaning workpieces includes an air gun (20), a switch (50) connected to the air gun and an air source by pipes (206, 70), and a sensor (30) fixed on the air gun. The switch is controlled by an output signal from the sensor to control the flow of air from the air source to the air gun.

Abstract: With the device (1) according to the invention for blowing off impurities on bottle bottoms, in particular bottle inspection machines, a solution is to be created which makes it possible to achieve an optimum blow-off result at comparatively lower air volume flows. This is achieved according to the invention in that beneath the nozzle head (3) in the annular body (5) a channel (6) is provided, which is connected to a compressed air line (7), which in turn is linked to the compressed air feed line (9), wherein the channel (6) in the upper edge pointing to the nozzle head (3) forms an annular gap (14)—triggering the Venturi effect.

Abstract: An engine blower includes: an engine integrated with a volute for driving a fan; a ventilation tube communicated with the volute; and a handle mounted to the ventilation tube. In the engine blower, the handle has a pair of cases that are assembled with each other, and a conductive resin layer is formed on a surface of a grip of the handle. The resin layer is integrated with gates exposed within the handle. A conductive spring having a coil compressed in a direction in which the cases are assembled with each other and a cable that is electrically coupled with the engine are disposed within the handle. The gate of the resin layer is brought into contact with the coil of the spring and is electrically coupled with the cable via the spring.