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7607195 |
Cleaning unit of roads and the like
A cleaning unit is disclosed, comprising: a containment chamber ( 2 ) defining an accumulation base ( 10 ), a suction apparatus ( 3 ) including a suction inlet ( 6 ) positioned close to the ground,...
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7555812 |
Brushless vacuum cleaner
The brushless vacuum cleaner is an electrical cleaning device that would feature conventional components from traditional upright vacuum cleaners but would use forced air to agitate debris from the...
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7552503 |
Apparatus and method for cleaning a surface with high pressure air
A cleaning apparatus and method which includes spraying high pressure air obliquely onto a cleaning surface from an air nozzle disposed in the vicinity of the cleaning surface of a cleaning object...
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7503134 |
Inclined slope vacuum excavation container
A vacuum container mounted on an inclined slope and having a liquid water storage container mounted beneath the incline of the vacuum container. The water storage container may support the vacuum...
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7458130 |
Closed loop vacuum cleaner
A vacuum cleaner with a closed loop air system is disclosed that is intended for the cleaning of soft-coated floors, such as carpets and rugs. The cleaner includes two main units: a floating foot,...
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7383607 |
Agitation apparatus
An agitation apparatus which is suitable for use in a cleaning head of a vacuum cleaner includes first and second flow paths. Each of these flow paths has a resonant cavity and an inlet/outlet port...
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7337493 |
Upright-type electric vacuum cleaner with detachable dust collector
An upright-type electric vacuum cleaner including a vacuum cleaner main body with at least a dust collector and an exhaust outlet, and a suction body provided at a lower front of the vacuum main...
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7329297 |
High efficiency separator apparatus for yard debris
An apparatus for collection and reduction of yard debris combining a frontally facing vacuum pick up with a chipper-shredder-blower unit to induce airflow for entraining debris collected at the...
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7320735 |
Fan cleaning method and apparatus
A simple yet effective system for cleaning fans and air circulators facilitates the cleaning of ceiling and hard-to-reach units without having to remove the blades or other parts to be cleaned. A...
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7320151 |
Vacuum cleaner
An electric vacuum cleaner of the present invention includes: a base plate connected to the lower face of a cleaner body so that the base plate is freely movable up and down, and having an exhaust...
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7311785 |
Automatic air-blown cleaning device for liquid crystal display component in LCD assembly and method thereof
An automatic air-blown cleaning apparatus for cleaning a liquid crystal display (LCD) component in an LCD assembly process. The automatic air-blown cleaning apparatus has an assembly station for...
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7234197 |
Unattended spot cleaning apparatus
A spot cleaning apparatus comprises a fluid distribution system, a fluid recovery system, an agitation system, and a controller system to automatically monitor and control inputs and outputs to...
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7191485 |
Lawn waste sweeper with recirculating airstream
A vacuum sweeper includes a blower for pulling debris in a stream of air through a vacuum duct, past the blower, out a blower discharge duct and into a hopper. Debris settles to the bottom of the...
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7143468 |
Vortex vacuum cleaner nozzle with means to prevent plume formation
The present invention is a novel design for a recirculating vacuum cleaner nozzle that addresses the problem of pluming by venting some internal fluid to the atmosphere. The nozzle guides fluid...
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7100235 |
Automatic air-blown cleaning device for liquid crystal display component in LCD assembly and method thereof
An automatic air-blown cleaning apparatus for cleaning a liquid crystal display (LCD) component in an LCD assembly process. The automatic air-blown cleaning apparatus has an assembly station for...
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7097714 |
Particulate removal from an electrostatic chuck
The cleaning of particles from an electrostatic chuck. In one embodiment, a method of cleaning an electrostatic chuck in a processing chamber is disclosed. The method comprises directing a flow of...
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7059012 |
Robot vacuum cleaner with air agitation
A robot vacuum cleaner comprises a cleaner body having a wheel disposed at a lower portion and a suction port through which contaminants are drawn in from a cleaning surface; and an air circulating...
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6957472 |
Cannister and upright vortex vacuum cleaners
The present invention relates to upright and cannister vacuum cleaners. The improved vacuum cleaners utilize toroidal vortex technology to provide efficient airflow in a sealed system. The sealed...
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6732404 |
Electric vacuum cleaner having exhaust air return feature
Pressurized filtered exhaust air from a motorized fan in a vacuum cleaner body passes on an exhaust path to a floor suction tool. The exhaust air is directed by the floor suction tool generally...
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6725500 |
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...
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6689225 |
Toroidal vortex vacuum cleaner with alternative collection apparatus
Disclosed are improved vacuum cleaning apparatus that utilize toroidal vortex air flow in order to establish a pressure differential capable of attracting debris. These systems and its derivatives...
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6687951 |
Toroidal vortex bagless vacuum cleaner
Disclosed are improved vacuum cleaning apparatus that utilize toroidal vortex air flow in order to establish a pressure differential capable of attracting debris. These systems differ significantly...
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6675424 |
Litter vacuum
A mobile litter pickup vehicle has a pair of forward corner brushes independently mounted on articulated arms so that the brushes may be moved in the event an obstacle is encountered to avoid...
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6647587 |
Vacuum cleaner using centrifugal force dust collection to prevent filter blinding
A vacuum cleaner includes an electric blower generating the suction force; a suction port body on which the suction force of the electric blower acts and which sucks in the dust on the surface to...
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6521043 |
Device for cleaning a gumming applicator
A gumming applicator ( 1 ) rotatable about a central axis (A) is cleaned by a device ( 4 ) comprising a nozzle ( 13 ) connected to a source ( 11 ) of pressurized fluid ( 50 ) and calibrated so as...
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6517640 |
Vacuum cleaner apparatus and return system for use with the same
A vacuum cleaner that generates an output air stream to agitate dirt and other debris on the surface being cleaned.
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6507163 |
Robotic bridge maintenance system
A bridge surface preparation, maintenance and painting system has a truck-mounted man lift with an extensible platform on which robot arms and cameras are mounted. Inflatable bags isolate the area...
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6484355 |
Passage system of vacuum cleaner
A vacuum cleaner containing an air passage system which is modified to increase the amount and speed of air drawn into the vacuum cleaner without increasing the capacity of the motor, whereby the...
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6484354 |
Air circulation type vacuum cleaner
An air circulation type vacuum cleaner having a casing with a suction port and an exhaust port, a suction blower placed to intake air with impurities through the suction port, a suction fan having...
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6460217 |
Electric cleaning device
An electric cleaning device circulates exhaust air from an electric blower to a floor intake tool. The exhaust air passes through an exhaust guide, formed as one element, in a main cleaning device...
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6336244 |
Electric blower and electric cleaning device using the same
In an electric blower, exhaust air discharged radially from a centrifugal fan is redirected to a motor drive section by a diffuser and a fan cover. The air passes from a ventilation opening on a...
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6324722 |
Vacuum-cleaner with recirculation of exhaust air
In a vacuum cleaner, a suction side of an electric fan contained in a cleaner main body is connected to a suction port body via a suction air passage and an exhaust side of the electric fan is...
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6295696 |
Vacuum apparatus for cleaning condensers and the like
Disclosed herein is a combination vacuum cleaning apparatus. The apparatus includes, in combination, means for sealing an area to be cleaned against the passage of dirt therefrom, such as a skirt;...
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6263540 |
Compact utility type surface cleaning vehicle
A utility type surface cleaning vehicle comprises a unitary frame utility type tractor defining a longitudinal axis and having a front end and a back end, left and right driven rear wheels and at...
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6260231 |
Air knife drying system
System for drying printed circuit boards in a liquid cleaning apparatus. The liquid cleaning apparatus includes a series of air knife dryers enclosed within two drying modules. The first drying...
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6243915 |
Vacuum cleaner
A vacuum cleaner wherein a hose, a pipe and a suction nozzle, which are connected to a vacuum cleaner main body incorporating therein a motor fan, are formed with a suction air passage as well as...
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6237188 |
Suction port body for vacuum-cleaner and vacuum-cleaner having the same
A suction nozzle for a vacuum cleaner is designed so that exhaust from a motor blower in the body of the vacuum cleaner is provided into a suction port of the suction nozzle. The exhaust provided...
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6195836 |
Mechanical surface cleaning vehicle for fine particulate removal
A mechanical surface sweeping vehicle has a cylindrically-shaped rotating sweeping broom to propel forwardly debris disposed on a contacted portion of a surface being cleaned, thereby creating a...
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6161250 |
Dustless regenerative air sweeper
A closed-loop Regenerative® air sweeper is provided which constitutes an improvement of that disclosed in U.S. Pat. No. 3,512,206. The sweeper of the latter patent is provided as an integral...
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6154922 |
Self-propelled factory floor cleaning vehicle
A self-propelled factory floor cleaning vehicle has a cylindrically-shaped rotating sweeping broom to propel forwardly debris disposed on a contacted portion of a factory floor being cleaned,...
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6135127 |
Process and machine for treating flat surfaces
A negative pressure ring is formed around the surface to be cleaned and an air flow loaded with solid particles is directed onto the surface, which based on its kinetic energy treats the surface...
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6108863 |
Vacuum cleaner with dual blowing/suction function
A vacuum cleaner with dual blowing/suction function includes a main housing having at least one air inlet and at least one air outlet; at least one fan mounted in the main housing and having a...
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6070290 |
High maneuverability riding turf sweeper and surface cleaning apparatus
A high maneuverability riding turf sweeper (8) includes a debris-intake hood (13) that is mounted forwardly of a wheeled chassis (41) upon which the major components, including an engine (42) and a...
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6032327 |
Electric vacuum cleaner
A rotating brush including a hollow cylindrical rotor having through holes in its peripheral wall and bristles on its peripheral surface is provided in a nozzle of an upright electric vacuum...
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5944956 |
Surface-cleaning doctor for use in a papermaking operation and associated method
A doctor system (20) and an associated method for cleaning the moving surface (30) of a papermachine component (22) which is begrimed or wetted by a paper web (28) moved around the surface utilizes...
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5930864 |
Upright vacuum cleaner
An upright vacuum cleaner includes a main body, a floor nozzle unit, and a float plate or float unit. The main body has a motor fan for generating a suction force and a dust-collection chamber for...
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5884360 |
Nozzle arrangement and use thereof
With one or several pressure streams projected at an acute angle (α) in relation to the surface to be processed, shearing forces can be reached that are high enough to move solid particles and/or...
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5884359 |
Surface cleaning apparatus
A pavement sweeping apparatus includes an angled, counter-rotating transverse roller broom followed by a high pressure/high velocity and full-width blast of air to remove particles too small for...
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5852847 |
High-speed pick-up head for a street sweeper
A high speed pick-up head for a street sweeper is provided for efficiently removing debris from a roadway surface as the street sweeper moves in a direction of travel. The pick-up head has a width...
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5848521 |
Scattered objects collector
In a scattered objects collector, air which has inducted scattered object is extracted and treated to minimize the release of dust into the ambient. The scattered objects collector has a power...
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