Abstract: A turbo-brush for cleaning a surface includes a casing provided with a suction opening, a rotating brush, a turbine which has a rotor provided with vanes and is operationally connected to the brush, a suction nozzle and a suction pipe connected to a suction device; the casing has a housing inside which the turbine is rotatably supported for rotating about an axis of rotation; the suction nozzle is located between said brush and said turbine for sucking an air flow from the suction opening, direct it onto the brush and then towards the turbine; the housing of the turbine has at least one lip projecting to a distance from an outer end of the vanes of the turbine which ranges from 0.001% to about 0.1% of the diameter of said rotor of said turbine.

Abstract: A vacuum cleaning tool has a housing with a brush chamber and a turbine chamber. A vacuum connector is connected to the housing remote from the brush chamber. A brush roller is arranged in the brush chamber and an air turbine is arranged in the turbine chamber for driving the brush roller. A vacuum airflow enters the brush chamber via a suction slot, flows from the brush chamber into the turbine chamber, flows within the turbine chamber through the air turbine, and exits from the turbine chamber into the vacuum connector. The turbine chamber has an intake cross-section transverse to a flow direction of the vacuum airflow that is greater than an outlet cross-section at the turbine chamber end facing the outlet window. Intermediate cross-sections of the interior of the turbine chamber decrease in a direction toward the turbine chamber end such that the turbine chamber tapers toward the outlet cross-section.

Abstract: A vacuum cleaning tool has a housing with a partition dividing an interior of the housing into a brush chamber and a turbine chamber. A vacuum connector is connected to the housing remote from the brush chamber. A working roller is arranged in the brush chamber. An air turbine is arranged in the turbine chamber and drives in rotation the working roller. A vacuum air flow enters the brush chamber, flows from the brush chamber through an intake window into the turbine chamber, flows within the turbine chamber through the air turbine, and exits from the turbine chamber to the vacuum connector. The turbine chamber has a chamber bottom with a ramp ascending toward the outlet window in the area where the vacuum airflow exits from the turbine chamber. The ramp is through-shaped and has a groove extending in the flow direction of the vacuum airflow.

Abstract: A vacuum cleaning tool of a vacuum cleaning device has a housing with a turbine chamber and a working chamber. The housing has a suction slot extending transversely in the vacuum cleaning tool. A suction airflow generated by the vacuum cleaning device enters the working chamber via the suction slot. First and second flow connections between the working and turbine chambers allow the suction airflow to enter the turbine chamber. An air turbine in the turbine chamber is rotatably driven by the suction airflow and drives a cleaning tool in the working chamber. The housing has an outlet opening allowing the suction airflow to exit the turbine chamber. The first and second flow connections are located on opposite sides of an imaginary plane defined by the axis of rotation of the air turbine and a center of the outlet opening. The cross-section of one of the flow connections is adjustable.

Abstract: A brush attachment for vacuum cleaners comprises a housing consisting of a bottom part and a top part, a turbine wheel driven by the suction air stream, a brush roller driven by the turbine wheel, and a suction tube connection constructed in the form of a swivel/tilting joint. The brush roller is disposed in a brush roller chamber which has a bottom opening constructed as a suction orifice. The turbine wheel is disposed in a turbine chamber with a connection duct of the swivel/tilting joint. The duct is pivotable about the turbine wheel. The bottom part of the housing has webs which form the back wall of the brush roller chamber and the side walls of the turbine chamber and define a flow chamber. A nozzle made as a separate part is inserted in the flow chamber and contains an incident flow duct for alignment of the suction air stream flowing against the turbine wheel. The top part of the housing has connection webs which bear against the webs and against the top of the nozzle.

Abstract: A surface cleaning and material removal system allows for the cleaning of applied or built-up coatings, debris, and any other matter from a surface. The surface cleaning and removal system includes a housing having a base with a wall extending obliquely therefrom. The base and wall define a cavity which covers the specific portion of the surface to be cleaned at that very moment, although the system is typically on wheels or portably movable so as to clean a very large surface in incremental portions. The system also includes a high-pressure-fluid mechanism for providing a high or ultra high pressure fluid flow against the surface to be cleaned where the mechanism includes either brushes or high pressure jets from which ultra high pressure water flows. In addition, the system includes a vacuum for moving all of the cleaning fluid and coatings, debris and any other matter from the cavity.

Abstract: A vacuum cleaning tool has a housing with a partition dividing an interior of the housing into a brush chamber and a turbine chamber. A vacuum connector is connected to the housing remote from the brush chamber. A working roller is arranged in the brush chamber. An air turbine is arranged in the turbine chamber and drives in rotation the working roller. A vacuum air flow enters the brush chamber, flows from the brush chamber through an intake window into the turbine chamber, flows within the turbine chamber through the air turbine, and exits from the turbine chamber to the vacuum connector. The turbine chamber has a chamber bottom with a ramp ascending toward the outlet window in the area where the vacuum airflow exits from the turbine chamber. The ramp is through-shaped and has a groove extending in the flow direction of the vacuum airflow.

Abstract: A vacuum cleaning tool has a housing with a brush chamber and a turbine chamber. A vacuum connector is connected to the housing remote from the brush chamber and has an outlet window. A working roller is arranged in the brush chamber and driven by an air turbine in the turbine chamber. The air turbine has an annular vane arrangement with vanes. The vacuum airflow enters the brush chamber via a suction slot, flows from the brush chamber into the turbine chamber, passes through the air turbine, and exits through the outlet window of the vacuum connector. In the flow direction of the vacuum airflow the outlet window is higher than the intake window. A connecting line between central areas of the intake and outlet windows intersects the air turbine as a secant to define a circle segment in which four to six of the vanes of the annular vane arrangement are located.

Abstract: A vacuum cleaning tool has a housing with a brush chamber and a turbine chamber. A vacuum connector is connected to the housing remote from the brush chamber. A brush roller is arranged in the brush chamber and an air turbine is arranged in the turbine chamber for driving the brush roller. A vacuum airflow enters the brush chamber via a suction slot, flows from the brush chamber into the turbine chamber, flows within the turbine chamber through the air turbine, and exits from the turbine chamber into the vacuum connector. The turbine chamber has an intake cross-section transverse to a flow direction of the vacuum airflow that is greater than an outlet cross-section at the turbine chamber end facing the outlet window. Intermediate cross-sections of the interior of the turbine chamber decrease in a direction toward the turbine chamber end such that the turbine chamber tapers toward the outlet cross-section.

Abstract: Method and apparatus to employ rotating brushes to remove the lint, size, trimer, dirt, etc. from the reed of a weaving machine in an efficient manner without removing the reed from the weaving machine, without disengaging the warp yarn sheet, and without significantly reducing the tension on the warp yarn sheet. The apparatus is particularly effective on air jet weaving machines, on which the apparatus simultaneously cleans the reed and the auxiliary air nozzles. The apparatus has a pair of reed guides and a clamping air cylinder that engage the reed; a plurality of wheels that deflect the warp yarn sheet in a downward direction, exposing the reed and auxiliary air nozzles for cleaning; and a drive motor and a winder drum mechanism that allow the cleaning apparatus to be readily moved across the loom. The apparatus has the desirable features of being efficient, portable, and economical, as one apparatus can be used to clean many weaving machines.

Abstract: A floor cleaning apparatus includes a cleaning element and a vibratory agitation device. The cleaning element is configured to adjoin a floor in scrubbing engagement with the floor. The vibratory agitation device has an output member, and is operative to impart oscillation to the output member. The output member is connected with the cleaning element to impart oscillation to the cleaning element upon operation of the vibratory agitation device when the cleaning element is in scrubbing engagement with the floor.

Abstract: A hand-held portable wet/dry vacuum comprising a cleaning fluid tank, a motor housing and a dirty fluid tank. The cleaning fluid tank is selectively mounted on the motor housing. A siphon, which is controlled by an actuator, is located in the cleaning fluid tank. The dirty fluid tank is selectively mounted on the motor housing in spaced relation to the cleaning fluid tank. The motor housing houses an air driven turbine and a suction fan and motor assembly. A suction nozzle is located at a first end of the wet/dry vacuum. An air passageway extends from the suction nozzle to the suction fan and motor. The turbine communicates with the air passageway. The housing further comprises at least one air inlet to allow air to pass to the turbine. A brush is operably connected to the turbine via a gear train. A rotational axis of the brush is angled so that a portion of the brush contacts a surface to be cleaned.

Abstract: A carpet cleaning apparatus is disclosed with a loop agitator. The loop agitator comprises a spindle with a plurality of flexible loops attached to the spindle. A blade is provided in close relative proximity to the agitator for severing hair and other fibers that become entangled on the agitator. A de-foaming device is included that automatically dispenses a de-foaming chemical. The de-foaming device comprises at least two electrodes that allow foam to complete a circuit to open a solenoid valve. Negative vacuum pressure is allowed to disburse the de-foaming chemical. The device also comprises a basket with a mesh bag for straining wastewater and removing debris. Wastewater drains into a wastewater tank where an electrode switch is provided for activating a wastewater pump.

Abstract: A turbo tool includes a housing forming a hollow section. The housing includes at least one air inlet and a nozzle opening spaced from the air inlet, a brushroll rotatably mounted in the housing and within the nozzle opening and a turbine. The turbine is drivingly connected to the brushroll for rotating the brushroll. The turbine is driven by a first airflow through the air inlet. A rotational axis of the brushroll is parallel to a longitudinal axis of the turbine and parallel to a longitudinal axis of the housing. A first conduit is located in the housing and connected to the nozzle opening. A second airflow occurs through the first conduit. A second conduit is fluidly connected to the first conduit and to a third conduit. The first and second airflows merge into the second conduit. A swivel attachment is connected to the third conduit and swivels the housing between two positions approximately 180 degrees apart and is locked into one of the two positions.

Abstract: An automatic pool cleaner having a turbine including a housing having a flow chamber and chamber wall with inlet and outlet ports, a rotatably-mounted turbine rotor, and turbine vanes each having a proximal end connected to the rotor and a distal end movable with respect to the rotor between extended positions adjacent to the wall and retracted positions spaced from the wall and closer to the rotor to allow passage of debris pieces of substantial size through the turbine. Some preferred embodiments are: curved vanes; vanes pivotably mounted to the rotor; and an eccentric rotor mount within the turbine chamber. Pivotably-mounted vanes preferably have enlargements at their proximal ends which are freely insertable into cavities in the rotor; most preferably, each vane is symmetrical about a center line such that either end is able to serve as the proximal end in engagement with the rotor.

Abstract: A vacuum cleaner having a vacuum cleaner main body, an electric blower motor provided in the vacuum cleaner main body, a dust collection part provided in the vacuum cleaner main body, a suction nozzle body for communicating with the dust collection part, an impeller having a rotary axis provided in an interior portion of the suction nozzle body and driven by a suction force which is generated by said electric blower motor. At least one of a rotation brush member and a rotation blade member is included in the suction nozzle body and an opening portion of the suction nozzle body is opposed to a surface to be subjected to cleaning, a suction inlet port for the suction nozzle body is provided for sucking air from an outside portion and is located separately from the opening portion of the suction nozzle body.

Abstract: A turbo-brush for cleaning a surface comprises a casing provided with a suction opening, a rotating brush, a turbine which has a rotor provided with vanes and is operationally connected to the brush, a suction nozzle and a suction pipe connected to a suction device; the casing has a housing inside which the turbine is rotatably supported for rotating about an axis of rotation; the suction nozzle is located between said brush and said turbine for sucking an air flow from the suction opening, direct it onto the brush and then towards the turbine; the housing of the turbine has at least one lip projecting to a distance from an outer end of the vanes of the turbine which ranges from 0.001% to about 0.1% of the diameter of said rotor of said turbine.

Abstract: A device for removing dust and rubbish includes a casing provided with a suction opening, a rotating brush, a turbine operationally connected to the brush, a suction nozzle located between the brush and the turbine, and a suction pipe connected to a suction device; the brush and the turbine are rotatably supported, respectively, in a first and in a second housing; the device also includes at least a bypass duct and a first valve, the bypass duct being designed for bypassing the second housing and the turbine, the first valve being able to engage with the suction nozzle and with the bypass duct for closing the suction nozzle and opening the bypass duct. (FIG.

Abstract: A duct cleaning device including a flexible conduit having a first end and a second end with inlets at first end and outlets at second end to allow air to circulate within the conduit. A whipper located at first end is rotated by a drive shaft, housed within the conduit, and powered by an air-activated drive system located near to the whipper at first end of the conduit. A stationary circular brush is also located around the conduit near its first end. In operation, the air-activated drive system is activated by air passing though the conduit preferably when a vacuum is applied. The vacuum is created a pressure reducing air pump To which the second end of the conduit is attached. The device may be mounted with a dolly, and displaced within a duct using rods attached to the dolly. The loosened debris generated by the action of The whipper and brush on the internal surfaces of the duct are aspirated through the inlets and into the conduit by the vacuum.

Abstract: A vacuum cleaning tool for a vacuum cleaning device has a housing having a vacuum connector connected to the vacuum cleaning device. The housing has an underside and an elongate intake opening arranged in the underside. A brush roll is arranged in the housing parallel to the elongate intake opening. A drive is arranged in the housing and drivingly coupled to the brush roll. An exchangeable vacuum shoe is detachably connected to the housing and has two wall portions extending at least approximately parallel to the brush roll. The brush roll is arranged between the two wall portions.

Abstract: 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 into the suction nozzle is prevented from being discharged to the atmosphere at the point where the suction nozzle meets the to-be-cleaned surface.

Abstract: At an interior portion of a suction nozzle body, an impeller and a brush member are installed. The impeller is rotated in response to an air flow produced by a suction force and a brush or a blade member is mounted in a spiral shape along the whole impeller or a part of the impeller and contacts a surface to be subjected to cleaning. The rotary brush rotates integrally with the impeller on the same shaft and no partition wall is provided between the impeller and the rotary brush. A suction nozzle body having a small size, and which is of light weight and provides for silent operation, and a vacuum cleaner using the same, can be provided.

Abstract: A vacuum-cleaner nozzle has a housing forming a turbine compartment and a brush compartment and having opening into the turbine compartment an outlet adapted for connection to a fan input and a slot opening into the brush compartment. A brush rotatable in the brush compartment has bristles projecting from the slot. A turbine in the turbine compartment is oriented such that air flow from the slot to the outlet rotates the turbine. A drive or transmission couples the turbine to the brush for rotating the brush when the turbine rotates. A button is displaceable on the housing between an outer position and an inner position and a spring urges the button into the outer position. A link between the button and the drive arrests rotation of the brush on displacement of the button into the outer position. This button is remote from the slot and the housing is formed with a handle adapted to be held by a hand of a user.

Abstract: A compact, hand held carpet and upholstery extractor nozzle is provided having an air turbine and a compact gear reduction operatively connected to and driven by said turbine. At least a pair of scrub modules are interchangeably attachable to said gear reduction. A first scrub modules includes at least a pair of vertical axis scrub brushes for cleaning upholstery, carpeting and the like. When said first scrub module is attached to said gear reduction, the scrub brushes are operatively connected to and driven by said gear reduction. A second scrub module includes a single vertical axis scrub pad that is driven by said gear reduction for scouring hard surfaces, such as tiles, tubs, counter tops, etc.

Abstract: A vacuum cleaner head is provided with cutting elements positioned in the air flow path of the vacuum cleaner head to reduce the size of elongate particulate material entering the dirty air inlet.

Abstract: A vacuum cleaner head has a housing having a turbine chamber and a connection tube connecting the turbine chamber to a suction aggregate of a vacuum cleaning machine. The housing has a suction opening and the turbine chamber has an inflow opening communicating with the suction opening. Air flow is sucked in by the suction aggregate through the suction opening and the inflow opening. A rotary roller brush is mounted in the housing close to the suction opening such that bristles of the roller brush project outwardly through the suction opening when the brush is in a lowest position. An air turbine is mounted in the turbine chamber such that the air turbine is acted upon by the air flow passing through the inflow opening. A device is provided for axially displacing the air turbine relative to the inflow opening when the power uptake of the roller brush is reduced.

Abstract: A compact, hand held carpet and upholstery extractor nozzle is provided having a pair of air turbine powered vertical axis rotary scrub brushes located adjacent the extractor nozzle. The turbine has at least one ambient air inlet and an outlet that communicates with a suction tube extending from the extractor nozzle. A compact gear reduction operatively connects the air turbine to the scrub brushes. A turbine outlet baffle is preferably provided that extends from an upstream edge of the turbine outlet, into the suction tube and over and beyond the turbine outlet to direct air, liquid and debris flowing through the suction tube over and beyond the turbine outlet opening. A downstream end of the baffle is open and suction openings pass through the baffle, for providing fluid communication between the suction tube and the turbine outlet opening.

Abstract: A dust suction head for use in an electric vacuum cleaner, having an air suction port at the bottom of the head. The head has a brush chamber which accommodates therein a freely rotatable brush having blades that extend along the shaft of the rotational brush. The head additionally has an opening and an air passage connected with the opening for taking in and leading fresh air into the vacuum chamber of the cleaner through the brush chamber such that the fresh air passing through the brush chamber impinges on the blades to accelerate the rotational motion of the blades. Thus, the head can obtain a necessary amount of air to rotate the brush at all times, especially when it is brushing a carpet, and maintain its smooth motion on the floor while dusting it.

Abstract: A portable compact extractor having permanent solution and recovery tanks integrally formed in a single main tank portion, with a removable power head attached to the top of the main tank. A fill port passes through the powerhead into the cleaning solution tank and a pour spout is formed in the recovery tank. With this construction, the cleaning solution tank may be filled with water and, if desired, detergent, by pouring the water and detergent into the fill port in the power head, and the recovery tank may be emptied as desired simply by tipping the unit and pouring the contents of the recovery tank out the pour spout and down the drain, without ever having to remove any tanks, bottles or the power head from the unit, or disconnect and reconnect any tubes. A carry handle is located on the powerhead to facilitate transportation of the unit, removal of the power head from the main tank for cleaning the tanks when desired, and to facilitate pouring the contents of the recovery tank out of the pour spout.

Abstract: A vacuum cleaner with high efficiency in sucking dust includes a main body and a floor nozzle pivotally coupled to the main body. The body includes a body cover, and within the body, a fan motor and a dust-collecting bag mounting portion. The floor nozzle includes a floor nozzle cover having an opening at its surface in contact with a floor and a suction member on its wall against the body, a rotary brush member arranged to face the opening and driven by the fan motor, and a ventilation fan provided at an end of the rotary brush member and rotating according to rotation of the rotary brush member. The body further includes a hose with one end connected to the suction member and the other end connected to the dust-collecting bag mounting portion. The vacuum cleaner further includes a driving member for driving the rotary brush member and the ventilation fan.

Abstract: A compact assembly (40) with a turbine (20) fixed to a rotating drive shaft (22) with an extensible joint connected to small brush (38) by a shaft on the brush (36). The assembly (40) is inserted into a standard pool vacuum head (50) suction cavity (52) to provide a localized scrubbing action. The brush (38) is powered by the water pulled through the suction cavity (52) in the vacuum head (50) driving the turbine (20) causing rotation of the drive shaft (22) and brush shaft (36). The brush (38) is mounted to the end of the brush shaft (36). A spring (34) that is placed coaxial about the brush shaft (36) holds the brush (38) in contact with the surface (70) being scrubbed clean.

Abstract: The present invention relates to a vacuum cleaner suction apparatus comprising an upper cover connected to a lower cover which has a void for installation of a rotary brush with a plurality of rotary vanes along a rotary shaft, first and second diaphragms with grooves at both sides of the void and a third diaphragm to form a duct over the second diaphragm and a certain shape of an air inlet between the lower cover and the first diaphragm to infuse outside air, thereby improving the suction efficiency of transporting the dust and foreign objects sucked through an air inlet, the void and a connecting pipe and thereby simplifying the number of parts and improvement of productivity as the rotary brush is driven by suction force of outside air and turning effect of the rotary vanes.

Abstract: 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 cleaner. A reflux passage connecting a fan chamber in the cleaner body and an end of the rotor is provided so that a slip stream of an electric fan for producing a suction stream jets out into the nozzle from the rotor through the holes. A fan for sucking air outside the nozzle is provided at the other end of the rotor so that the sucked air also jets out into the nozzle through the holes. In another electric vacuum cleaner, the rotor of the rotating brush is not provided with through holes but the slip stream of the electric fan is caused to blow the peripheral surface of the rotating brush from its end.

Abstract: An improved carpet extractor is provided having powered brushes for scrubbing cleaning solution on a floor surface and a floor nozzle for extracting soiled cleaning solution from the floor surface in a floor cleaning mode. The extractor may be converted from the floor cleaning mode to an above the floor cleaning mode for cleaning upholstery, stairs, spots on carpet, or the like, with an attached hand held wand having a cleaning solution applicator and an upholstery and stair cleaning nozzle. A pair of motors are provided, one for driving the floor scrubbing brushes when in the floor cleaning mode and one for driving a cleaning solution supply pump and providing pressurized cleaning solution to the wand in the above floor cleaning mode. An automatic conversion mechanism is provided for automatically energizing and de-energizing the motors depending upon the operative position of the handle portion of the extractor.

Abstract: A vacuum cleaning tool having a housing that includes a connector for a vacuum hose of a vacuum cleaning apparatus is provided. Disposed in a brush chamber of the housing is a brush roller, the bristles of which project through a vacuum slot formed in the base plate of the housing. The brush roller is driven via a belt drive by an air turbine, which is provided in a turbine chamber of the housing. Provided between the brush chamber and the turbine chamber is a guide member for guiding the suction air stream that is to act upon the air turbine. In order when the vacuum cleaning tool is raised from the floor to reduce the drive power, the guide member is pivotably mounted in the housing of the tool. In a first operating pivot position the suction air stream is directed essentially tangentially against the air turbine to achieve a high drive power. In a second, non-operative pivot position the suction air stream is directed essentially radially against the turbine to achieve a low no-load speed.

Abstract: A portable compact extractor having permanent solution and recovery tanks integrally formed in a single main tank portion, with a removable power head attached to the top of the main tank. A fill port passes through the powerhead into the cleaning solution tank and a pour spout is formed in the recovery tank. With this construction, the cleaning solution tank may be filled with water and, if desired, detergent, by pouring the water and detergent into the fill port in the power head, and the recovery tank may be emptied as desired simply by tipping the unit and pouring the contents of the recovery tank out the pour spout and down the drain, without ever having to remove any tanks, bottles or the power head from the unit, or disconnect and reconnect any tubes. A carry handle is located on the powerhead to facilitate transportation of the unit, removal of the power head from the main tank for cleaning the tanks when desired, and to facilitate pouring the contents of the recovery tank out of the pour spout.

Abstract: A compact, hand held carpet and upholstery extractor nozzle is provided having a pair of air turbine powered vertical axis rotary scrub brushes located adjacent the extractor nozzle. The turbine has at least one ambient air inlet and an outlet that communicates with a suction tube extending from the extractor nozzle. A compact gear reduction operatively connects the air turbine to the scrub brushes. A turbine outlet baffle is preferably provided that extends from an upstream edge of the turbine outlet, into the suction tube and over and beyond the turbine outlet to direct air, liquid and debris flowing through the suction tube over and beyond the turbine outlet opening. A downstream end of the baffle is open and suction openings pass through the baffle, for providing fluid communication between the suction tube and the turbine outlet opening.

Abstract: The herein disclosed invention relates to an improved carpet extractor having powered brushes for scrubbing a floor surface and which may be converted to an above the floor mode for upholstery cleaning or the like. A pair of air driven turbines are disclosed, one for driving the floor scrubbing brushes when in the floor cleaning mode and one for driving a cleaning solution supply pump when in the above floor cleaning mode. A unique linkage mechanism is taught whereby only one turbine or the other is energized depending upon the cleaning mode selected by the operator.

Abstract: Disclosed is a power brush for a vacuum cleaner by which dust is easily sucked into the vacuum cleaner with reduced noise and which can be easily manufactured. A brush body sucks dust by making contact with a floor. The brush body is provided at an end of a rigid wand which is connected to a vacuum cleaner body. A bottom portion of the brush body is open so that an air is introduced therein. A rotatable roller is provided at the bottom portion of the brush body. A pair of driving fans for generating a rotational force to rotate the rotatable roller are provided at both sides of the rotatable roller. The driving fans are driven by a dustless air which is introduced into the brush body through the air inlet holes which are formed at the front of the brush body.

Abstract: A vacuum cleaning device has a suction nozzle with a housing and an air guide chamber. The housing has an inflow opening. The suction nozzle further has a brush roller rotatably mounted adjacent to the inflow opening inside the housing. A bearing shaft is mounted within the housing. An air turbine is rotatably supported on the bearing shaft and driven in rotation by the suction air stream generated with the vacuum cleaning device. The bearing shaft has a longitudinal axis and the axis of rotation of the air turbine coincides with the longitudinal axis. The air turbine rotates at a different rpm than the bearing shaft. A planetary gear system is operatively connected between the air turbine and the bearing shaft. The planetary gear system is positioned at least partially within the air guide chamber within the vicinity of a first axial end face of the air turbine such that the air turbine at least partially axially overlaps the planetary gear system.

Abstract: A novel upright carpet cleaning extractor is disclosed which may be conveniently converted from the floor cleaning mode to the upholstery and/or stair cleaning mode. The overall configuration and operation of the extractor is similar to that of a typical upright vacuum cleaner and may be operated in the forward or reverse direction similar to a typical upright vacuum cleaner. When in the floor cleaning mode, cleaning solution is supplied to a solution distributor by gravity flow. However, when converted to the upholstery cleaning mode an auxiliary, air turbine driven cleaning solution pump is automatically energized for supplying pressurized cleaning solution to an upholstery or stair cleaning nozzle.

Abstract: A novel upright carpet cleaning extractor is disclosed which may be conveniently converted from the floor cleaning mode to the upholstery and/or stair cleaning mode. The overall configuration and operation of the extractor is similar to that of a typical upright vacuum cleaner and may be operated in the forward or reverse direction similar to a typical upright vacuum cleaner. When in the floor cleaning mode, cleaning solution is supplied to a solution distributor by gravity flow. However, when converted to the upholstery cleaning mode an auxiliary, air turbine driven cleaning solution pump is automatically energized for supplying pressurized cleaning solution to an upholstery or stair cleaning nozzle.

Abstract: An appliance adapted to be introduced into the interior of a pipe comprises a suction head arranged at the end of a flexible hose for suction air, which at the end adjacent to the hose has suction openings connected with the hose, carries a plurality of support wheels arranged in two planes perpendicular to the direction of insertion, and extending in a radial direction past the suction head, and is provided with a seal which is biased resiliently in a radially outward direction and is arranged between the suction openings and the hose.

Abstract: A vacuum cleaning tool comprising a housing having a base that is provided with at least one intake opening over which is provided a brush chamber in which is disposed a brush roller having bristles that project into the intake opening. A flow channel connects the brush chamber to a connector that can communicate with a vacuum line of a vacuum cleaning unit. A turbine chamber is disposed in the flow channel and accommodates an air turbine that can rotatably drive the brush roller. The housing also has a wet intake opening that is disposed approximately in the plane of the base of the housing. Parallel to the brush chamber and the flow channel, the housing has a wet intake channel that connects the wet intake opening to the connector. Respective controllable flow blocking devices are disposed in the wet intake channel and in the flow channel.

Abstract: A surface treating tool comprising an interconnected cleaning and stripping device for a self contained automated retrieval cleaning apparatus that provides a vacuum recovery and filtration system, with the tool consisting of a rotary brush mounted in an open bottom housing. The brush provides a core having operative connection to a rotating means and includes rows of radially extending resilient flaps carrying at their distal ends peening elements adapted to have contact through the open bottom of the housing with the surface to be cleaned while such surface is being vacuumed. The core can also provide radially extending wire bristles alternately disposed between the rows of resilient flaps.

Abstract: The active vacuum cleaner nozzle of the invention exhibits a two-part housing having an attached suction pipe connecting socket. The two housing parts are pivotably hinge-connected to each other at their end opposite to the suction pipe connecting socket, the dividing joint between the two housing parts extending at least into the area of the suction pipe connecting socket. On the suction pipe connecting socket, a locking sleeve is disposed such that it can be displaced between a position enabling the housing to be opened and a locking position and such that it can be locked in place.

Abstract: The present invention relates to vacuum cleaners which may be in the form of so-called upright and cylinder cleaners. In the vacuum cleaner according to the invention the functions of air movement and rotation of a rotary beater or brush are separated. This results in a more flexible product, less possibility of damage to a belt driving the beater and gives a ready means for stopping the beater when the cleaner is parked. The vacuum cleaner includes a main body, a first portion and an electric fan housing coupled to a first aperture of an air duct, the first portion including a suction opening adjacent a beating means, a turbine coupled to a second aperture of the air duct and a drive line coupling between the turbine and the beating means, whereby cleaned air is directed through the duct to the turbine.

Abstract: A nozzle mechanism for a vacuum cleaner. The mechanism has a sliding base with an intake opening, and a suction conduit connector for a vacuum cleaner. Disposed between the intake opening and the connector is an air feed channel, in the path of which is disposed a turbine chamber having a turbine that can be driven by intake air. The turbine serves for driving a brush roller for mechanically cleaning floors. A second intake opening is provided that is connected to the turbine chamber via an intake channel that is independent of the first intake opening. The air for driving the turbine is supplied to the turbine chamber at least partially via the second intake opening and the intake channel.

Abstract: A vacuum cleaning tool for a vacuum cleaner, including an intake opening and a brush roller that is disposed in the intake opening and is rotatably driven by an air turbine that in turn is driven by an intake air flow. To obtain a high torque at the brush roller even when the intake air stream fluctuates, the air turbine is embodied as a flow-through turbine having at least one ring-like blade arrangement, between the blades of which are formed axially delimited flow paths for radially receiving the intake air flow and guiding same into the center of the blade arrangement, and for radially discharging the intake air flow out of this inner space.

Abstract: A vacuum powered automatic swimming pool cleaning device having a hollow housing supported on two pairs of device mover wheels. The housing includes a central water suction chamber in water flow communication with a water suction trough at the bottom of the housing and in water outlet communication with an external vacuum line, a gear train for driving one of the pairs of mover wheels, and pivoted directional control floats. The water suction chamber houses an axle mounted turbine wheel bearing water driven vanes with the turbine being rotated in one direction only by water flow through the chamber. The turbine axle bears a turbine power output drive gear which intermeshes with one or the other of two shift gears which in turn reversibly drive the gear train as dictated by the position of the directional control floats within the housing.