| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 015345000 | Air blast with suction | 20 |
| 20080235900 | APPARATUS FOR DUCT CLEANING - A duct cleaning apparatus for cleaning ventilation ducts in a household environment comprises a typical household or light industrial vacuum cleaning having a sealed container, a blower having suction and exhaust, a first flexible hose attached to the suction port and a second flexible hose attached to the exhaust port. The hoses are adjacent and parallel to each other and fixed together using a plurality regularly spaced elastic bands. A blower nozzle and a suction nozzle are adjacent to each other and placed in a duct for cleaning. The blower nozzle directs a jet of air into the vacuum zone of the suction nozzle thereby agitating dirt and debris within the vacuum zone for a more efficient cleaning action. | 10-02-2008 |
| 20080263814 | Upright Vacuum Cleaner - A steerable vacuum cleaner comprises an upright body portion which is pivotally mounted at its lower end to the rear of a wheeled floor-engaging head portion. A catch is pivotally mounted intermediate its opposite ends to the upright body portion, the catch having a finger at a forward end arranged to engage a formation on the head portion. The rearward end of the catch defines a foot pedal for moving the forward end of the catch out of engagement with the formation. The catch on the body portion can engage the head portion to prevent the head portion from pivoting sideways and rearwards when the cleaner is not in use. | 10-30-2008 |
| 20090044372 | Handheld Portable Devices for Touchless Particulate Matter Removal - Handheld portable devices for dislodging and capturing particulate matter that has accumulated on various surfaces or structures are provided. The devices create opposing airflows that can intimately interface with each other during use. A vacuum airflow is drawn into the device, defining a vacuum affected zone upon the surface being cleaned. A high pressure airflow is emitted that penetrates through or passes adjacent to the opposing vacuum airflow and contacts the surface being cleaned, dislodging particulate matter therefrom. The high pressure airflow can be emitted from multiple nozzles as a series of airflow bursts that discretely contact the surface being cleaned. The configuration of each nozzle, as well as the overall arrangement and positions of all the nozzles together, are selected to impart the desired particulate matter dislodging characteristics to the device. | 02-19-2009 |
| 20090205157 | Apparatus For Cleaning Synthetic Grass - An apparatus for cleaning a synthetic grass surface, the apparatus comprising a plenum head and a manifold, the plenum head disposed within the manifold and having a compressed air inlet and at least one air outlet through which air can be expelled against the synthetic grass surface for dislodgement of coarse and fine particulate material and to entrain the dislodged particulate material into the manifold which extends above the plenum head, said manifold including an outlet located in an upper region of the manifold for expelling the fine particulate material, and an outlet in a lower region of the manifold for distributing the coarse particulate material back to the synthetic grass surface, wherein the plenum head is mounted for rotation within the manifold about a substantially vertical axis. | 08-20-2009 |
| 20100050371 | MULTI-PURPOSE GROUND SWEEPING MACHINE - A multi-purpose ground sweeping machine includes a housing unit for receiving an impeller and defining an air blowing route and a guiding path between the air blowing route and an outlet. The housing unit has a first intake port disposed forwardly and forming a first flow duct, a second intake port disposed upwardly and rearwardly and forming a second flow duct, and an air-flow passage in communication with the first and second flow ducts. A first valve unit is operated to only permit suction air to be introduced from the first or second intake ports for drawing leaves on the ground surface into the housing unit. A second valve unit is operated to only permit blowing air to eject from an air-flow conduit disposed forwardly of the housing unit or the outlet for blowing away leaves on the ground surface. | 03-04-2010 |
| 20110214246 | Aeroacoustic Duster - The aero-acoustic duster invention disclosed herein provides for high particle removal rate from surfaces with low energy expenditure relative to competing vacuum-based devices. The device removes particulate matter from a surface using a two-step process: 1. Acoustic radiation is used to break the adhesive bonds between dust and the surface, forcing particles into a mode where they continuously bounce up and down on the surface; and, 2. A bounded vortex is generated over the surface, with suction in the vortex center and jets for blowing air along the periphery. The jets are tilted in the tangential direction to induce vortex motion within the suction region. The vortex is said to be bounded because streamlines originating in the downward jets are entrained back into the central vortex. | 09-08-2011 |
| 20120079672 | UNIT FOR REMOVING FOREIGN MATTER AND APPARATUS AND METHOD FOR SEMICONDUCTOR PACKAGING USING THE SAME - An example embodiment relates to a foreign matter removing unit including a body, an injection member, and a suction member. The injection member includes a portion of the body defining at least one injection hole. The suction member includes a part of the body defining at least one suction hole. The injection member of the foreign matter removing unit is configured to inject gas into a suction region in which the suction member is configured to exert a suction force. | 04-05-2012 |
| 20120151708 | AIR DRIVEN HARD SURFACE CLEANING TOOL - An apparatus for cleaning solid surfaces includes a housing configured to substantially encapsulate a surface being cleaned, a vacuum port traversing the housing, a high speed rotating coupler assembly rotatably coupled to the housing, a plurality of impeller blades coupled to the high speed rotating coupler, at least one fluid jet coupled to the impeller blades, and at least one air pathway configured to pass input air past the impeller blades to rotatably drive the impeller blades. | 06-21-2012 |
| 20120180254 | AUTONOMOUS SURFACE CLEANING ROBOT FOR DRY CLEANING - An autonomous floor cleaning robot includes a transport drive and control system arranged for autonomous movement of the robot over a floor for performing cleaning operations. The robot chassis carries a first cleaning zone comprising cleaning elements arranged to suction loose particulates up from the cleaning surface and a second cleaning zone comprising cleaning elements arraigned to apply a cleaning fluid onto the surface and to thereafter collect the cleaning fluid up from the surface after it has been used to clean the surface. The robot chassis carries a supply of cleaning fluid and a waste container for storing waste materials collected up from the cleaning surface. | 07-19-2012 |
| 20120246864 | PAVEMENT CRACK CLEANER - Devices for cleaning and preparing pavement cracks for sealing are disclosed. An example device comprises a wire brush assembly for removal of mid and large-sized debris, an air blaster for removal of fine-grained particulate, a heat lance, and a vacuum for controlled removal of debris and particulates. The example device would also have means for attachment to an air compressor. | 10-04-2012 |
| 20130067680 | SUCTION AND COLLECTION DEVICE - Disclosed is a suction and collection device that sucks in and collects matter to be collected that is on top of a collection surface, by a suction means that has a suction inlet with an opening formed in the front section of a body housing. In said suction and collection device, the body housing is provided with a blowing means that has an outlet positioned lower than the suction inlet and that blows an air current along the collection surface from the outlet towards the front. The speed of the air current sucked into the suction inlet is made greater than the speed of the air current blown out of the outlet and the air current that is blown out of the outlet is sucked into the suction inlet. | 03-21-2013 |
| 20130152334 | PICK-UP HEAD SYSTEM - A pick-up head system for use with a surface cleaning vehicle comprises a housing having a substantially hollow interior and a suctioning bottom opening. A debris suctioning inlet in the housing is disposed adjacent the first end of the housing for suctioning debris into the housing. A debris outlet in the housing is open in fluid communication and debris transfer relation to the substantially hollow interior of the housing. Debris is suctioned into the substantially hollow interior of the housing through the debris suctioning inlet, and is discharged from the housing through the debris outlet. | 06-20-2013 |
| 20130219653 | DUST REMOVAL SYSTEM FOR LED STRIP AND APPRATUS WITH THE DUST REMOVAL SYSTEM - A apparatus for treating an LED strip includes a warming zone, a dust removal system disposed in the warming zone, a belt transporting the LED strip through the dust removal system, a high temperature zone and a cooling zone. The dust removal system includes an airflow generating device producing an airflow removing dust away from the LED strip when the LED strip passes through the airflow generating. The high temperature zone performs a reflow soldering to the LED strip which has a plurality of LEDs mounted thereon. | 08-29-2013 |
| 20130276260 | HAND-HELD BLOWER DEVICES WITH VACUUM FUNCTION - Hand-held blower devices with vacuum function are provided. In this regard, a representative device includes: a housing defining an interior, an intake and an exhaust; an impeder mounted within the interior and being operative to rotate such that air is drawn into the interior through the intake and expelled from the interior through the exhaust; a locking mechanism mounted to the housing, the locking mechanism being movable between an unlocked position and a locked position; and a vacuum tube assembly having an inlet end and an outlet end and defining an air passageway between the inlet end and the outlet end, the outlet end being operative to engage the intake of the housing for the vacuum mode of operation; the locking mechanism being operative to interface with the vacuum tube assembly to retain the outlet end of the vacuum tube assembly in engagement with the intake of the housing for the vacuum mode of operation. | 10-24-2013 |
| 20130283562 | VACUUM CLEANER WITH BLOWER AND FLEXIBLE HEAD FOR IMPROVED PARTICULATE REMOVAL - A vacuum cleaner with a flexible head portion and combined suction and blowing mechanism to agitate debris. An external pressured air source is used to provide a source of pressured air for the blowing mechanism. The head portion has blowing and suction nozzles arranged such that the suction nozzles surround the blowing nozzles or vice versa. The blowing and suction nozzles may be in parallel rows and may have almost perpendicular trajectories. The blowing mechanism may be operated according to an alternating pulsing pattern corresponding to different blowing nozzle groups to create a repeating and bidirectional agitation effect onto stubborn debris in the area between the nozzle groups. The flexible head portion is formed by a grid of head portion units attached to each other by a joining mechanism. The flexible head portion has a convex shape in its relaxed state and can at least partially conform to irregular surfaces. | 10-31-2013 |
| 20140007372 | CLEANING DEVICE - A cleaning device includes a suction pipe and a number of blowing pipes surrounding the suction pipe. Each of the blowing pipes is noncoplanar with the suction pipe and includes a blowing opening inclined toward the suction pipe. With the cleaning device of the present disclosure, the impurities on the array substrate can be removed in the array fabricating process, therefore, when the data liens or scan lines on the array substrate are coated, the coating material can be prevented from dropping off in the following cleaning process, which improves the success rate of coating the disconnected lines. | 01-09-2014 |
| 20160089683 | Air Gun with Sucking Function - An air gun with sucking function comprises a gun body, an air intake control set and an airflow switching and controlling element. The air gun with sucking function of the present invention employs the airflow switching and controlling element disposed inside the gun tube of the gun body for switching an airflow flowing direction and converting an airflow ejection into a sucking airflow in order to meet various work requirements by switching to different functions. When it is switched for sucking airflow for cleaning, dust can be prevented from flying around and therefore is healthier for breathing. | 03-31-2016 |
| 20160096207 | Systems and Methods for Treating Substrates with Cryogenic Fluid Mixtures - Disclosed herein are systems and methods for treating the surface of a microelectronic substrate, using a cryogenic fluid mixture used to treat an exposed surface of the microelectronic substrate. The fluid mixture may be expanded through a nozzle to form an aerosol spray or gas cluster jet (GCJ) spray may impinge the microelectronic substrate and remove particles from the microelectronic substrate's surface. The system may include a two-stage gas nozzle that expands the high pressure incoming gas within two inline expansion chambers. However, in other embodiments, the system may include a single stage nozzle design with one expansion component. | 04-07-2016 |
| 015346000 | Closed circuit systems, i.e., air recirculating | 2 |
| 20080209667 | Air Recirculating Surface Cleaning Device - A fluid recirculating cleaning device includes an exhaust port defining an exhaust port longitudinal axis, a fluid source end and an exhaust end defining a first cross-sectional area. A suction port includes a suction port longitudinal axis, a fluid exit end and a fluid entrance end defining a second cross-sectional area greater than the first cross-sectional area. The suction port includes a second outer surface that extends from the entrance end toward the fluid exit end. A vacuum blower motor sucks fluid in through the suction port to create fluid flow away from the vacuum motor and toward the exhaust port exhaust end. The exhaust port exhaust end is recessed from the suction port fluid entrance end and the two ports are located with respect to one another so that fluid flow from the exhaust port will be effectively drawn into the suction port. | 09-04-2008 |
| 20080229539 | Upright vacuum cleaner using return current of discharging air - An upright vacuum cleaner includes a suction nozzle unit, an inlet formed on a bottom surface of the suction nozzle unit, an injection path disposed near the inlet, a suction motor mounted in the suction nozzle unit, and a main body attached to the suction nozzle unit and in fluid communication with the suction motor. The injection path ejects air toward a surface to be cleaned. The suction motor generates a suction force to draw in air and dust through the inlet. The main body separates dust from the air using centrifugal force, collects the dust, and discharges the air to the suction nozzle unit. The air discharged from the main body flows through the suction motor, is ejected from the injection path toward the surface to be cleaned, and is then suctioned into the inlet so that a portion of the discharged air circulates within the vacuum cleaner. | 09-25-2008 |
