Abstract: A vacuum cleaner of a detergent injection type uses a part of the suction force of a vacuum impeller actuated by a main motor to pump detergent to a remote cleaning implement. To this end, the vacuum cleaner includes a rotation device disposed in a passage of discharge air and rotated by discharge air and a pump device rotating simultaneously with the rotation device to pump up detergent to the detergent supplying device. Whereby, it has no need of additional motors and is made compact and economical in the construction.

Abstract: A hydraulic cleaner device comprises a water pump for drawing water from a pool through a tube, an open bottom casing divided into two compartments by a partition wall delimiting an inlet for an axial turbine having a rotor that drives a shaft connected by a reducing and transmitting mechanism to a set of wheels supporting the casing and a brush sweeping unit for movement along the bottom of the pool. One of the compartments of the casing is placed downstream of the axial turbine and is connected to the tube leading to the pump. An immersed buoyancy member is connected to the casing.

Abstract: A vacuum system having a closed air flow loop for cleaning rugs and floor or other surfaces. There is a vacuum source having a suction side and a controlled air flow pressure side (exhaust side). A head assembly is adapted to ride on the rug or floor or other surface to be cleaned. At least one rotatable brush is positioned within the head assembly. The suction side of the vacuum source communicates with the head assembly to provide suction within the head assembly for picking up dirt or other materials. The air exhaust side of the vacuum source communicates with the head assembly. A turbine motor is positioned so that the air exhaust from the vacuum source impinges on and drives the turbine motor. The brush and the turbine motor are interconnected whereby the turbine motor drives the brush. The means interconnecting is at a right angle to the axis of rotation of the brush.

Abstract: A high pressure cleaner comprises a cleaning device (10) and an effluent recovery device (12). The cleaning device (10) is mainly constituted by a cleaning head (20) having a central chamber (44) into which a nozzle (26) sprays a high pressure cleaning liquid, the effluents being recovered in a peripheral chamber (46) connected to a decanter (54) of the recovery device (12). The actual decanter (54) is connected to an exhauster (72) across a liquid-gas separator (60) and filters (70). The liquid phase of the effluents is periodically recovered by a tube (80) immersed in the decanter (54) and connected to a hydroejector (82). The solid phase of the effluents is held back by a filter (92) surrounding the tube (80).

Abstract: The cleaning apparatus in one embodiment is formed by a housing member having a first flexible hose coupled to a first end and a smaller diameter second flexible hose coupled to a second opposite end. A turbine is supported for rotation within the housing member. A flexible drive shaft extends through the second flexible hose and has one end coupled to the turbine for rotation therewith and a second end extending out of the other end of the second flexible hose with a brush coupled thereto. An air blower, which preferably is operated in the vacuum mode, is coupled to the first flexible hose for moving air through the second flexible hose, the housing member, and the first flexible hose for causing the turbine and hence the flexible drive shaft and brush to rotate for cleaning the wall of an air duct with the brush and for removing dust and other matter from the duct. In another embodiment of the apparatus, a separate air motor is employed to rotate the flexible drive shaft and hence the brush.

Abstract: A self propelled vacuum driven swimming pool cleaner which has an outer cover or shroud which contains a vacuum driven motor connected to a reduction gear train, to rotate a brush assembly, that frictionally engages a surface to be cleaned, and propells the cleaner while scrubbing up and then vacuuming dirt and debris from the surface.

Abstract: An improved scrub head for a cleaning wand to be used with a floor cleaning machine. The scrub head is supplied with vacuumized air and pressurized cleaning solution through the wand from the machine. The scrub head has a nozzle for applying cleaning solution to the floor, a powered rotating tool such as a brush or a pad for scrubbing the floor, and a vacuum pickup shoe or squeegee for picking up soiled cleaning solution. The squeegee, when used, has flexible lips of a novel and improved design. The rotating tool is driven by an air turbine which takes in its air from essentially clean ambient atmosphere, and a valve selectively and automatically connects the vacuumized air to either the turbine outlet, thus causing the turbine and tool to rotate for scrubbing the floor, or to the pickup shoe or squeegee for picking up soiled cleaning solution and debris.

Abstract: A swimming pool vacuum cleaner has a water powered turbine and a rotary brush directly and rigidly connected to the turbine so that rotation of the turbine imparts corresponding rotation to the rotary brush. A stationary brush partially surrounds the rotary brush and a foraminated screen is positioned upstream from the brushes to trap residue loosened by the brushes.

Abstract: A device for removing an inserted-and-beat-up weft on weaving machines employs a rotary stripping brush with agitation hairs and also tangentially-oriented feed jets situated on an exterior periphery of the brush.

Abstract: A multi-purpose suction nozzle, for a vacuum cleaner, for cleaning different types of surfaces, such as hard smooth surfaces, textile floor coverings, and upholstery, whereby the suction nozzle is detachably connected to a suction hose of the vacuum cleaner via a pivotably mounted connector. The suction nozzle has a housing with a first suction opening that communicates with a first flow channel, and with a second suction opening about which are provided planar slide surfaces and which communicates with a second flow channel. A brush is rotatably mounted in the housing in such a way that bristles of the brush extend through the first suction opening. A mechanism provides for selective communication of either the first flow channel or the second flow channel with the connector.

Abstract: An automatic, self-propelled cleaner comprises a hydraulic turbine motor for driving two oppositely located wheel Locomotion members and at least one cam driven by the motor and associated with one of the wheel locomotion members to temporarily riase it while the other of the wheel Locomotion members is held engaged, thereby the travel direction of the cleaner can be changed.

Abstract: A vacuum hose/fluid line combination is provided for use with a vacuum cleaning system which includes a vacuum canister and heated fluid dispensing apparatus. The vacuum hose is devised with identical swivel cuffs at the ends thereof, each being formed with an opening in the cylindrical wall thereof and arranged to rotatably receive a flexible fluid dispensing line rotatably therethrough. The fluid line is retained within the hose and has its respective ends projecting outwardly through the openings for connection at one end to a hand tool, and at the other end to the fluid dispensing apparatus. Once connected, the vacuum hose is freely rotatable between the connection points.

Abstract: The cleaning apparatus is formed by a housing member having a first flexible hose coupled to a first end and a smaller diameter second flexible hose coupled to a second opposite end. A turbine is supported for rotation within the housing member. A flexible drive shaft extends through the second flexible hose and has one end coupled to the turbine for rotation therewith and a second end extending out of the other end of the second flexible hose with a brush coupled thereto. An air blower, which preferably is operated in the vacuum mode, is coupled to the first flexible hose for moving air through the second flexible hose, the housing member, and the first flexible hose for causing the turbine and hence the flexible drive shaft and brush to rotate for cleaning the wall of an air duct with the brush and for removing dust and other matter from the duct.

Abstract: A positive displacement air motor providing power to a rotating brush, brush agitator, or flexible blades for use in cleaning carpets, tile or wooden floors, upholstery, and drapes, allowing such air powered cleaning device to completely function with only the air provided by a vacuum cleaning motor or system.

Abstract: Suction nozzle for use in connection with a vacuum cleaning device for cleaning simultaneously the vertical surface (3) of a plinth (5), which is provided with a textile covering, and the immediately adjacent floor surface (2) likewise provided with a textile flooring. The suction nozzle (1) is provided with two suction openings (7 and 8) arranged approximately perpendicularly relative to each other so that the horizontal suction opening (7) rests on the floor surface (2) to be cleaned while the vertical suction opening (8) is in contact with the vertical surface (3) of the plinth (5). For increasing the cleaning effect, at least one rotating, mechanincally driven brush (5) is provided within the horizontal suction opening (7) and the vertical suction opening (8).

Abstract: A pneumatic pavement cleaning apparatus (10) comprising: an air supply unit (11); a wheeled support unit (12); a drive unit (13) including an air powered motor (25); and a cleaning unit (14) operatively associated with the drive unit (13); wherein, a plurality of diverse cleaning attachment members (31) including a brush element (32) and a blade element (33) may be selectively secured to the axial drive shaft (27) of the drive unit (13).

Abstract: The cleaning apparatus is formed by a housing member adapted to be inserted into an air duct and which has two spaced apart ports for providing an air flow path through the housing member. A flexible hose has one end coupled to one of the ports and is employed for moving the housing member in the air duct and for providing a passage for the flow of air from or to the housing member. A turbine formed by blades fixedly connected to a shaft is supported within the housing member for rotation about the shaft upon passage of air through the housing member by way of the two ports. An off centered weight is coupled to the shaft for rotation with the turbine for causing the turbine and hence the housing member to vibrate upon rotation of the turbine whereby the housing member may vibrate against the inside wall of the air duct to loosen dust and other matter from in the duct and to facilitate movement of the housing member in the duct.

Abstract: A vacuum-cleaning apparatus for cleaning furniture or the like, especially upholstered furniture, upholstered vehicle seats, etc. The apparatus is connected via a vacuum conduit to a vacuum-cleaning unit. A first vacuum nozzle is provided with a brush and includes a housing having an intake opening that leads to the vacuum conduit. A second vacuum nozzle is embodied as a gap-cleaning nozzle and is pivotable, relative to the first vacuum nozzle, out of an inoperative position into an operative position, and vice versa. An air duct is pivotably mounted in the housing. In the operative position of the gap-cleaning nozzle, the latter communicates via the air duct with the intake opening of the housing to provide flow communication from the gap-cleaning nozzle to the vacuum conduit.

Abstract: A fluid power system comprising a fluid pump and an impulse turbine operating in the incompressible domain wherein the pump is characterized by a pressure versus flow curve that is inversely interdependent and by a predetermined pump optimum flow area that is associated with maximum pump output power and the turbine includes an inlet flow path to the turbine rotor the effective area of which is substantially matched to the pump optimum flow area to constrain pump operation to the region of maximum output power.

Abstract: A gas driven cleaning apparatus for clearing clogged pipe lines or the like. The apparatus is comprised of a gas driven nozzle having specially devised gas passages for aiding the propulsion of the nozzle through and clearing the clogged area. A flexible hose is connected to the nozzle and a high pressure gas cylinder supported on a two wheel hand cart. The hand cart has a main hose reel and handle for a first gas line and a portable hand reel which supports a second gas line connected to the main reel line and the nozzle at opposite ends. The hand reel may be carried apart from the hand cart to difficultly accessible or remote areas not approachable by the hand cart. In a modification the nozzle is provided with a rotary head element powered by the high pressure gas.

Abstract: A device for removing foreign matter from a water-filled pool comprising a vacuum head equipped with a conduit connectable between suction means and a chamber-defining housing, and at least one agitation member rotatably connected to the inside of said chamber in position to be rotated by fluid suctioned from said chamber into said conduit such that turbulance caused by said rotation may dislodge fine particulate material from a pool surface.

Abstract: For the removal of dust, various types of jets are used, mostly as attachments to household and industrial suction tools.In order to achieve a contactless and, therefore, protective cleaning, the attachable blow and suction jet according to this invention is configurated in such a way that a turbine wheel (7) positioned in a suction pipe (1) is driven by means of a suction tool and then moves a second turbine wheel (8) in a pressure pipe (5) via a shaft (9) thus generating compressed air. The compressed air is conducted to a blow pipe (31) via connecting pipes (24). With the use of an additional cap (26) the exhaust air can whirl with the intake air in some distance from the mouth of blow pipe (31) and be carried off between the connecting pipes (24) via the suction pipe (1) into the suction tool.

Abstract: A rotary brush vacuum sweeper having a directly coupled disc brush and turbine wheel. The disc brush floats axially within the sweeper housing to control brush force and is in telescopic relation with rearward motor components to promote favorable air flow characteristics. Hollow space between the disc brush and turbine wheel is continuously purged of dirt and debris by ambient air passing through an associated internal circuit.

Abstract: A rotary brush vacuum sweeper having a directly coupled disc brush and turbine wheel. The disc brush floats axially within the sweeper housing to control brush force and is in telescopic relation with rearward motor components to promote favorable air flow characteristics. Hollow space between the disc brush and turbine wheel is continuously purged of dirt and debris by ambient air passing through an associated internal circuit.

Abstract: The invention is directed to an attachment nozzle for a vacuum cleaning system such as a vacuum cleaner or the like which includes a rotating brush. A modular step-up gear transmission is interposed between the brush and the air turbine which runs in the suction air stream. The attachment nozzle includes an outer ring region wherein a plurality of air-inlet apertures are formed which are covered either partially or entirely by means of a ring-shaped body which is rotatably mounted on the end portion of the housing. A cup-shaped recess is formed centrally of the plurality of air inlet openings and defines a cup-shaped recess for receiving the modular gear transmission therein.

Abstract: A vacuum powered automatic swimming pool sweep for cleaning the bottom of a swimming pool comprising a hollow housing supported by at least one pair of reversible wheels, a reversible impeller disposed within the hollow housing, the reversible impeller including an impeller housing having an impeller chamber formed therein, a reversible impeller member having at least one pair of opposing vanes coupled thereto operatively disposed within the impeller chamber and interconnected to the pair of reversible wheels, a fluid flow conduit including a first and second fluid flow path coupled between an external vacuum line and the impeller chamber, a directional control in communication with the fluid flow conduit to selectively direct water from the pool through the impeller chamber to impinge on the movable vanes coupled to the reversible impeller member to drive the pair of reversible wheels.

Abstract: A turbine-driven sander includes a switching system having a double-flap valve adjacent a passageway intermediate the turbine and a source of vacuum. One flap valve is a toggle which is actuated to open or close a bypass aperture, and which is connected to close and open, respectively, the other flap valve, which is mounted in the passageway. When the toggle opens the bypass aperture the turbine stops; conversely, when the toggle closes the bypass aperture, the turbine becomes activated and remains activated until the toggle opens the bypass aperture or the source of vacuum is removed or no longer produces a vacuum. When activated, the turbine vibrates a platen through a direct drive system.

Abstract: A vacuum cleaner tool is removably mounted on the elongated wand of a conventional vacuum cleaner. The tool includes a head or main housing having a forwardly-disposed brush enclosure portion with a lower planar opening formed therein. A brush is rotatably journaled in the brush enclosure portion of the housing and protrudes below the opening therein. An air turbine is rotatably journaled in the housing and is drivingly connected to the brush. The axis of the housing is coincident with the axis of the wand, and both are arranged at 45 degrees with respect to the planar opening for the brush. In one position, the planar opening is in a horizontal plane. The mounting means between the housing and the wand includes a swivel member. This swivel member enables the housing to be rotated 180 degrees with respect to the wand. When so rotated, the planar opening for the brush is in a vertical plane.

Abstract: An air-powered sander is made up of a housing with a compressed air motor within it and designed for driving a sanding pad. The sander has a system for clearing dust, produced on sanding, from the pad. This system is made up of an impellor wheel freely turning on a motor shaft in the housing. On the two sides of the impellor wheel two groups of blades are present. A nozzle, joined with the airway for supplying the motor with compressed air, is used for directing at least one air jet against one group of the blades on the wheel. The other group of blades, on the other side of the wheel, is designed for producing a dust/air current for clearing sanding dust from the pad. For this purpose a dust take-up space is present extending from the pad to a position near inner ends of the second group of blades on the impellor wheel.

Abstract: A vacuum cleaner floor tool is provided which comprises a housing and an air-powered turbine motor within the housing. An agitator partially extends from the housing and is coupled to the turbine motor and driven thereby. At least one end of the agitator is supported by a substantially L-shaped spring metal strip having one end supported in a notch in the base plate of the floor tool and the other end supported on a stub on the base plate of the floor tool. The base plate of the floor tool is removably mounted on the housing and forms a wall thereof. The agitator extends from the housing through an opening in the base plate, and air passes through this opening into the turbine motor. The floor tool is coupled to a vacuum cleaner wand or hose by means of an elbow coupling, and the elbow coupling has a latch which comprises a protrusion on the elbow itself and a latch plate having a protrusion thereon, the latch plate being spring-biased towards the elbow coupling.

Abstract: A vacuum cleaner floor tool is provided which comprises a housing, an air-powered turbine motor in the housing and an agitator partially extending from the housing. The agitator has spiral grooves therein which hold agitating devices, such as brushes or beater bars, and one end of the agitator is reduced or turned down to form a reduced diameter portion. The diameter of the reduced diameter portion is such that the spiral grooves form substantially flat surfaces and these surfaces are engaged by lugs on a connector fitted over the reduced portion. A transmission belt interconnects the connector with the turbine motor in order to drive the agitator. The floor tool has a removable base plate mounted on the housing which forms one wall thereof, and the agitator extends from the housing through an opening in the base plate.

Abstract: A vacuum cleaner floor tool is provided which comprises a housing formed by upper and lower members which mate with one another along a single plane inclined with respect to the base plane or bottom of the lower member. An air-powered turbine motor is positioned in the housing and includes a turbine chamber for the turbine motor, and a rotary floor agitator is provided which partially extends from the housing. The agitator is coupled to the turbine motor and is driven thereby. A base plate is removably mounted on the housing and forms a portion of a wall thereof, with the agitator extending from the housing through an opening in the base plate. Air passes through the opening in the base plate into the turbine chamber. The base plate includes a ramp which extends from the base plate into the housing, where the ramp and a portion of the turbine chamber form a nozzle for the turbine motor.

Abstract: An air-powered vacuum cleaner floor tool and an air turbine therefor are provided. The floor tool comprises a housing with a rotary agitator mounted on the bottom thereof, and a wand connector means mounted on the rear thereof and aligned with the longitudinal center of the housing. The wand connector is used for connecting the floor tool to a vacuum cleaner wand. The air-powered turbine motor has a turbine chamber and a rotor mounted on the housing, with the turbine chamber having an air inlet and an air outlet. The air inlet is aligned with the longitudinal center of the rotary agitator, and the air outlet is aligned with the longitudinal center of the housing and with the wand connector. The air outlet includes an outlet opening in the turbine chamber. The angle which is formed by the center line of the air inlet of the air-powered motor, and the center line of the outlet opening of the turbine chamber, is less than 55.degree..

Abstract: A carpet cleaning machine for uniformly spreading a powder onto a surface, working the powder into the surface and subsequently removing the powder and dirt is disclosed. The cleaning machine includes a powder dispenser attachable to a vacuum cleaner. The dispenser includes a hopper, a metering drum rotatably mounted within the hopper about a mandrel and a punch roller rotatably mounted within the metering drum. An air motor is operably connected to the metering drum. The vacuum cleaner includes an agitating brush, a suction nozzle, a suction passage and a source of vacuum connected to the suction passage. A blocking vane mounted within the housing and the suction passage alternately connects the suction nozzle to the source of vacuum or the air motor to the source of vacuum. A throttle valve carried in an air outlet tube of the air motor includes a lever which automatically interconnects with a control permanently mounted on the vacuum cleaner.

Abstract: A cleaning tool for polishing pads, the tool divided at the front end to journal a transverse roller whose periphery has a plurality of headed studs. The tool is tubular with said end directing a nozzle toward the roller; and the rear end has a valve for connecting a compressed-air supply and a finger-operated lever for controlling the valve, whereby to blow an air jet against the periphery of the roller.

Abstract: Oil tank cleaning appartus is disclosed comprising a rotary cutter rotatably mounted on a shaft and operatively connected to impellers to turn the cutter. A conduit is operatively connected to the cutter for leading a fluid away from the cutter. The cutter extends into edges that are pitched in a manner to propel the cutter and conduit when the cutter is rotated. When the cutter and conduit are immersed in an oil tank, oil drawn through the conduit will impinge against the impellers to turn the cutter and thereby provide the torque necessary to cause the cutter to move through sludge in the bottom of the oil tank, the sludge also being taken up through the conduit along with the oil.The conduit may comprise a flexible conduit having a pair of opposed wires secured along the length thereof, the wires lying in a common plane to prevent the flexing of the conduit in a direction in which the plane extends.

Abstract: A housing of a vacuum cleaner nozzle has an opening in which a brush disk is located so that bristles of the disk extend outwardly of the opening. A journal pin for the brush disk extends with one end portion into a tubular socket formed in the housing, and has another end portion engaged by a single-point bearing in the region of the opening. A brush-disk changing arrangement is provided in the region of the socket to facilitate rapid installation and removal of the brush disk in the housing.

Abstract: An underwater surface cleaning apparatus particularly suitable for swimming pools which includes brushes driven by suction of water from immediately around the apparatus through a vane type motor which is coupled to rotate the brush. The motor can include hinged vanes.

Abstract: A surface treating device such as a surface grinder in which power is transmitted to the operative elements of the assembly by a flowing gas, for example, air. The device is attached to a source of at least a partial vacuum, such as a vacuum cleaner. The motor fan unit of the vacuum cleaner together with a rotatable fan housed in the device form the power generating source which in turn operates the grinding member of the surface treating device in order to treat the work surface with an oscillating motion in a plane generally parallel thereto.