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: 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, 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 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.

Abstract: The invention relates to a cleaning apparatus, in particular to a portable hand-held cleaner, to which a working fluid can be supplied and which has a plurality of cleaning members, in particular brush-type cleaning members, which can be driven to make a cleaning movement, wherein the cleaning members are adjustable relative to one another.

Abstract: The invention relates to a rotor nozzle, in particular for high pressure devices, having a nozzle housing which has a swirl chamber between a rear inflow opening for a fluid, in particular water, and a front outlet opening, with a front end of a rotor, which is inclined during operation toward a longitudinal axis, being supported at a bearing, in particular a cup-shaped bearing, in said swirl chamber and being able to be driven by fluid flowing into the swirl chamber to make a rotary movement around the longitudinal axis such that the fluid exits the nozzle housing via the outlet opening in the form of a conical jet, and having a gravity circuit which includes at least one movable switching element and which switches between at least two different operating modes by movement of the rotor nozzle in the space, wherein the gravity circuit is arranged in the front region of the rotor nozzle downstream of the swirl chamber, wherein the switching element releases the outlet opening and closes a functional opening o

Abstract: The invention relates to a rotor nozzle, in particular for high pressure cleaning devices, having a nozzle housing which has a swirl chamber between an inflow opening for a fluid, in particular water, and a discharge opening, with a rotor inclined with respect to a longitudinal axis during operation being supported at its front end at a bearing, in particular at a cup-shaped bearing, in said swirl chamber and with the rotor being able to be driven to make a rotating movement around the longitudinal axis by fluid flowing into the swirl chamber, wherein an adjustment device is positioned in front of the swirl chamber for the speed regulation of the rotor and forces the inflowing fluid to make a rotary movement around the longitudinal axis for the generation of a rotating fluid field before the transition into the swirl chamber, and wherein the rotating fluid field is disrupted more or less pronouncedly on the transition into the swirl chamber in dependence on the position of the adjustment device.

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 rotor nozzle is described whose rotor body is supported in the housing with a pre-settable axial clearance and whose end facing away from the nozzle is made in conical shape, with the conical surface forming a running surface which cooperates in operation with an axial thrust surface and braking surface fixed with respect to the housing.

Abstract: A rotor nozzle is described whose rotor body is supported in the housing with a pre-settable axial clearance and whose end facing away from the nozzle is made in conical shape, with the conical surface forming a running surface which cooperates in operation with an axial thrust surface and braking surface fixed with respect to the housing.

Abstract: The device relates to a rotor nozzle, in particular for high-pressure cleaning apparatus, comprising a nozzle housing which has an inlet opening at its one axial end and an outlet opening for liquid at the other end, also with a rotationally driven rotor arranged in a swirl chamber of the nozzle housing inclined relative to the longitudinal axis of the swirl chamber and supported at the inner wall of the swirl chamber, with the rotor having a nozzle region at its end pointing towards the outlet opening and supported in a cup bearing and an inflow opening at the opposite end, wherein a nozzle member and a distributor member are arranged in the nozzle housing and are rotatable relative to one another, with the distributor member having at least one distributor cutout communicating with the inlet opening, via which functional openings formed in the nozzle member can be controlled, with the functional openings respectively communicating with the swirl chamber or with at least one auxiliary outlet of the nozzle ho

Abstract: The invention relates to a rotor nozzle, in particular for high pressure cleaning aggregates, comprising a nozzle housing having at its axial end an inlet opening and an outlet opening at the other end for the cleaning liquid, and comprising a rotor which is arranged in the nozzle housing so as to be inclined with respect to its longitudinal axis, which is rotationally driven, which is supported at the housing inner wall and which is provided at its end which points to the outlet opening with a nozzle which is supported in a pan bearing and which has an inflow opening which is formed in a connection member at the opposite end, with the connection member being connected to the nozzle housing such that it is sealed off and axially displaceable and carrying at its end facing the rotor a funnel-shaped fixing element for the centered holding of the rotor.