Abstract: The invention relates to an apparatus for cleaning surfaces, in particular of solar collectors and/or of photovoltaic installations, having at least one cleaning member, in particular a brush roller or plate brush, moving, in particular rotating, during the cleaning operation, having a holding device for the cleaning member, having a fluid drive for the cleaning member operable in different states and having a switching device with which a change can be made between the different operating states of the fluid drive.

Abstract: The invention relates to a cleaning apparatus, in particular for cleaning solar installation surfaces or photovoltaic installation surfaces, comprising a carrier, at least one cleaning roller rotatably supported at the carrier, and a rotary drive for the cleaning roller, wherein the rotary drive is designed as a fluid drive, wherein the flow of a cleaning fluid supplied to the cleaning roller for cleaning purposes is converted into a drive movement for the cleaning roller.

Abstract: The invention relates to an apparatus for cleaning surfaces, having a cleaning head which includes at least one base part and at least one brush arrangement, in particular a cylindrical brush roller, attached to the base part; and a fluid drive for the brush arrangement which is at least partly integrated into the base part and which is designed to convert the flow energy of a fluid supplied to the base part under pressure into a cleaning movement of the brush arrangement.

Abstract: The invention relates to an apparatus for cleaning surfaces, in particular of solar collectors and/or of photovoltaic installations, having at least one cleaning member, in particular a brush roller or plate brush, moving, in particular rotating, during the cleaning operation, having a holding device for the cleaning member, having a fluid drive for the cleaning member operable in different states and having a switching device with which a change can be made between the different operating states of the fluid drive.

Abstract: The invention relates to a cleaning apparatus, in particular for cleaning solar installation surfaces or photovoltaic installation surfaces, comprising a carrier, at least one cleaning roller rotatably supported at the carrier, and a rotary drive for the cleaning roller, wherein the rotary drive is designed as a fluid drive, wherein the flow of a cleaning fluid supplied to the cleaning roller for cleaning purposes is converted into a drive movement for the cleaning roller.

Abstract: The invention relates to a cleaning apparatus, in particular for cleaning solar installation surfaces or photovoltaic installation surfaces, comprising a carrier, at least one cleaning roller rotatably supported at the carrier, and a rotary drive for the cleaning roller, wherein the rotary drive is designed as a fluid drive, wherein the flow of a cleaning fluid supplied to the cleaning roller for cleaning purposes is converted into a drive movement for the cleaning roller.

Abstract: A fluid rotation drive, in particular for cleaning apparatus, having at least one drive wheel, in particular a turbine wheel or bucket wheel, which can be directly set into rotation about a drive axis by the action of a supplied fluid, in particular supplied in jet form; having at least one planetary transmission, with a sun gear of the planetary transmission being connected to the drive wheel; and having a housing which includes the drive wheel and the planetary transmission and which has at least one inlet for the fluid supplied for acting on the drive wheel, with a first ring region for the fluid being defined by the drive wheel and the housing and a second ring region for the fluid being defined by a toothed arrangement of an annulus gear of the planetary transmission, and with the first ring region and the second ring region being arranged in direct spatial proximity to one another.

Abstract: The invention relates to an apparatus, in particular to a cleaning apparatus, for carrying out a working movement moving to and fro, in particular a periodic working movement, in particular a cleaning movement, having a holding rod defining a longitudinal direction and a work unit which is coupled to the holding rod and which is movable relative to the holding rod for carrying out a working movement running parallel to the longitudinal direction, wherein an external drive is provided for generating the working movement.

Abstract: An apparatus for cleaning surfaces has a cleaning head which includes a base part and at least two brush elements which are provided at opposite the sides of the base part and which can be set into a cleaning movement relative to the base part. A fluid drive is integrated into the base part and is designed to convert the flow energy of a fluid supplied to the base part under pressure into the cleaning movement of the brush elements. The fluid drive has a drive member, in particular a turbine wheel or a bucket wheel, which is driven by the fluid and by which both brush elements can be driven together.

Abstract: The invention relates to a rotor nozzle, in particular for high-pressure cleaning devices, having a nozzle housing which has an inlet opening at its axially one end and an outlet opening at the other end for a fluid, in particular water, as well as having a rotor which is arranged in a swirl chamber of the nozzle housing, which is supported at a bearing at its front end facing the outlet opening, which can be at least partly flowed through by the fluid, which can be set into rotation about a longitudinal axis of the nozzle housing by fluid flowing into the swirl chamber and is inclined toward the longitudinal axis at least in the rotated state.

Abstract: The invention relates to an apparatus for cleaning surfaces, having a cleaning head which includes at least one base part and at least one brush arrangement, in particular a cylindrical brush roller, attached to the base part; and a fluid drive for the brush arrangement which is at least partly integrated into the base part and which is designed to convert the flow energy of a fluid supplied to the base part under pressure into a cleaning movement of the brush arrangement.

Abstract: The invention relates to a cleaning apparatus, in particular to a portable hand cleaner, having a plurality of cleaning members which are in particular of brush type and which are arranged at a common carrier and can be set into rotation by means of a fluid, in particular water, supplied to the cleaning apparatus.

Abstract: A fluid rotation drive, in particular for cleaning apparatus, having at least one drive wheel, in particular a turbine wheel or bucket wheel, which can be directly set into rotation about a drive axis by the action of a supplied fluid, in particular supplied in jet form; having at least one planetary transmission, with a sun gear of the planetary transmission being connected to the drive wheel; and having a housing which includes the drive wheel and the planetary transmission and which has at least one inlet for the fluid supplied for acting on the drive wheel, with a first ring region for the fluid being defined by the drive wheel and the housing and a second ring region for the fluid being defined by a toothed arrangement of an annulus gear of the planetary transmission, and with the first ring region and the second ring region being arranged in direct spatial proximity to one another.

Abstract: The invention relates to an apparatus, in particular to a cleaning apparatus, for carrying out a working movement moving to and fro, in particular a periodic working movement, in particular a cleaning movement, having a holding rod defining a longitudinal direction and a work unit which is coupled to the holding rod and which is movable relative to the holding rod for carrying out a working movement running parallel to the longitudinal direction, wherein an external drive is provided for generating the working movement.

Abstract: An apparatus for cleaning surfaces has a cleaning head which includes a base part and at least two brush elements which are provided at opposite the sides of the base part and which can be set into a cleaning movement relative to the base part. A fluid drive is integrated into the base part and is designed to convert the flow energy of a fluid supplied to the base part under pressure into the cleaning movement of the brush elements. The fluid drive has a drive member, in particular a turbine wheel or a bucket wheel, which is driven by the fluid and by which both brush elements can be driven together.

Abstract: The invention relates to an apparatus for cleaning surfaces, in particular inclined surfaces, in particular solar installation surfaces or photovoltaic installation surfaces on roofs of buildings, having a carrier and at least one driven endless cleaning belt held at the carrier.

Abstract: The invention relates to a cleaning apparatus, in particular for cleaning solar installation surfaces or photovoltaic installation surfaces, comprising a carrier, at least one cleaning roller rotatably supported at the carrier, and a rotary drive for the cleaning roller, wherein the rotary drive is designed as a fluid drive, wherein the flow of a cleaning fluid supplied to the cleaning roller for cleaning purposes is converted into a drive movement for the cleaning roller.

Abstract: The invention relates to a rotor nozzle, in particular for high-pressure cleaning devices, having a nozzle housing which has an inlet opening for liquid at its axially one end and an outlet opening for liquid at the other end as well as having a rotor which is arranged in a swirl chamber of the nozzle housing, whose front end facing the outlet opening is supported at a bearing, which can at least be partly flowed through by the liquid, which can be set into rotation around a longitudinal axis by liquid flowing into the swirl chamber and which is inclined toward the longitudinal axis at least in the rotating state; wherein the rotor has an inlet region for the liquid via which the liquid can move out of the swirl chamber into the rotor to allow a rotor flow of the liquid from the inlet region up to the front end of the rotor and out of the outlet opening; wherein the rotor nozzle is capable of a switchover procedure between a stationary state in which the rotor is held tight between the bearing and an abutment

Abstract: An expulsion apparatus for a cleaning fluid or treatment fluid, in particular a lance for a high-pressure cleaner, includes a fluid feed line at whose one end a head piece is connected pivotably about a pivot axis and setting means for the changing of the fluid throughflow rate through the head piece, wherein the head piece and the setting means are coupled such that the fluid throughflow rate through the head piece varies in dependence on the set pivot angle between the fluid feed line and the head piece.

Abstract: The invention relates to a rotor nozzle, in particular for high-pressure cleaning devices, having a nozzle housing which has an inlet opening at its axially one end and an outlet opening at the other end for a fluid, in particular water, as well as having a rotor which is arranged in a swirl chamber of the nozzle housing, which is supported at a bearing at its front end facing the outlet opening, which can be at least partly flowed through by the fluid, which can be set into rotation about a longitudinal axis of the nozzle housing by fluid flowing into the swirl chamber and is inclined toward the longitudinal axis at least in the rotated state.