Abstract: A household dishwasher includes a washing container having a floor, and a spray arm supported for rotation about an axis of rotation and including spray nozzles for applying washing liquor and/or fresh water to a dishwasher load received in the washing container. The spray arm is designed so as to be capable of being disassembled and re-assembled along the axis of rotation, in order to transfer the spray arm from a first mode, in which the spray nozzles point away from the floor, into a second mode, in which the spray nozzles point toward the floor, and vice versa.

Abstract: A dishwasher system for cleaning dishes may include at least one rack configured to receive a silverware basket, the basket including at least one silverware compartment, a pair of camshafts including a first camshaft and a second camshaft, each fixed to the rack and operable by a gearbox configured to rotate the camshafts with respect to the rack, the camshafts arranged below the silverware basket, and a cam arranged at each end of each of the camshafts, wherein upon rotation of the camshaft by the gearbox, the cams affect the height of a respective corner of the basket to allow the silverware therein to be lifted or lowered and exposed to spray at various heights or angles from sprayers within the dishwasher.

Abstract: Provided is a dishwasher having an improved structure capable of selecting whether to spray wash water. The dishwasher includes a washing tub, a basket provided in the washing tub to accommodate dishware, a duct provided in the washing tub to be supplied with wash water, a sub-duct mounted on the basket to guide the wash water, a connection pipe connected to the sub-duct, and a spray nozzle coupled to the connection pipe to be rotatable from a first position where the connection pipe is open and a second position where the connection pipe is closed.

Abstract: A system (1) for washing a 3D-printed object (4). The system (1) has a washing device (2) and a workpiece (3) that includes the 3D-printed object (4). The washing device (2) has a container (7) that forms a process chamber (8) for receiving a liquid cleaning agent (9), and the container (7) has an inlet (10) into the process chamber (8). The workpiece (3) further has a support structure (6) that supports the 3D-printed object (4) and a base (5) supporting the support structure (6). The base (5), in a mating relationship with the inlet (10), forms a restraint preventing the workpiece (3) from passing through the inlet (10) in a situation in which the workpiece (3) is placed with the 3D-printed object (4) located within the process chamber (8).

Abstract: A system and method for cleaning of heat exchanger tubes including an assembly, an indexer, and a communication device provided with specialized software and programming. The indexer includes orthogonally arranged first and second arms. A trolley and sensors are provided on the indexer arms. One or more lances are provided on the trolley to deliver water jets into the openings. Sensors measure displacement as the trolley is moved relative to the heat exchanger's face plate. An operator controls the system from a distance away using the communication device. During setup, the pattern of the face plate is learned and mapped utilizing information from the sensors as one of the inputs. This information is utilized to help navigate the face plate during a subsequent cleaning operation. A kit for retrofitting existing X-Y indexers is also disclosed.

Abstract: A machine comprising: a lance, the lance configured to clean insides of tubes; a guide way positioned near the tubes; a transversal drive support slidable on the guide way and configured to move the lance along the guide way towards an insertion head; a rotational drive coupled to the lance for controlling rotation of the lance; and a feeding system coupled to the lance, wherein the guide way forms at least one supporting lance channel over a length of the guide way, the at least one channel forming an enclosure from all sides for guiding the lance, whereby a part on the circumference of the enclosure is made of a flexible lip, which lip can be locally bent by deflectors travelling with the lance.

Abstract: The present invention relates to a dishwasher and a manufacturing method thereof. The dishwasher according to an embodiment of the present invention includes a water guide extending upward from a sump and supplying washing water to an upper nozzle and a top nozzle, and the upper pipe and the top pipe are separately provided to the water guide, so pressure of the washing water applied to the upper pipe and the top pipe can be reduced.

Abstract: A dishwasher that includes: a washing tub that includes an interior space to accommodate objects; a main arm that is configured to rotate in the interior space and spray water to the objects; an auxiliary arm that is configured to rotate in the interior space and spray water to the objects; a stationary gear unit that is configured to rotate with the main arm, and that includes a plurality of gear teeth; an eccentric gear unit that is configured to rotate based on rotation of the main arm, the eccentric gear unit being in engagement with one or more teeth of the plurality of gear teeth; and a link member that is configured to (i) generate elastic force based on rotation of the eccentric gear unit and (ii) rotate the auxiliary arm based on elastic force is disclosed.

Abstract: A method and dishwasher utilize one or more sprayers that are coupled to both a liquid supply and an air supply through a common hydraulic circuit such that both liquid and pressurized air can be supplied to the one or more sprayers.

Abstract: A dishwasher that includes: a tub configured to accommodate an object; a main arm that is configured to (i) rotate about a first axis inside the tub, (ii) guide first water of the incoming water through a first flow path and second water of the incoming water through a second flow path, and (iii) spray the first water to the object; an auxiliary arm that is configured to (i) rotate about a second axis inside the tub and (ii) spray the second water to the object; and an auxiliary arm connector that couples the main arm to the auxiliary arm and that is rotatable with the auxiliary arm, the auxiliary arm connector including: an auxiliary flow path guide that is configured to (i) guide the second water from the main arm to the auxiliary arm and (ii) control water pressure of the second water is disclosed.

Abstract: A dishwasher may include a sump configured to store water, a main arm disposed at the sump and configured to supply water from the sump, an auxiliary arm rotatably disposed at the main arm and configured to spray water, and an auxiliary arm connection member disposed at the main arm and configured to rotatably support the auxiliary arm, where the auxiliary arm may include an auxiliary flow passage configured to allow water flow through the auxiliary arm, where the main arm may include a transfer flow passage in fluid communication with the auxiliary flow passage, where the auxiliary arm connection member may include a flow tube disposed at the main arm in fluid communication with the transfer flow passage and the auxiliary flow passage.

Abstract: A filter assembly includes a first filter member including a first filter panel which defines a central axial aperture and a second filter member including a second filter panel which defines a central axial aperture. The filter assembly further includes a first discharge blade which includes a body and a blade arm, the body defining a central axial bore hole and in contact with the first outer surface of the first filter panel. The filter assembly further includes a second discharge blade which includes a body and a blade arm extending radially from the body, the body defining a central axial bore hole and in contact with the second opposing outer surface of the first filter panel and the first outer surface of the second filter panel. The filter assembly further includes a washer in contact with the second outer surface of the second filter panel, and a shaft.

Abstract: A dishwasher appliance is provided having a disk diverter assembly operably coupled to a primary supply conduit for selectively diverting a flow of wash fluid between a middle spray assembly and an upper spray assembly. The disk diverter assembly includes a diverter disk positioned within a diverter housing defining a fluid inlet, a first fluid outlet in fluid communication with the middle spray assembly, and a second fluid outlet in fluid communication with the upper spray assembly. The diverter disk defines an aperture and a partial flange that extends along an axial direction. A positioning assembly selectively rotates the diverter disk between a first position where wash fluid is directed only through the first fluid outlet to the middle spray assembly and a second position where wash fluid is directed only through the second fluid outlet to the upper spray assembly.

Abstract: A dishwasher including a cabinet which forms an exterior appearance thereof, the cabinet having a door on one side thereof, which can be opened and closed, a tub provided in the cabinet to form a cleaning object housing space, a rack provided to the tub for securing cleaning objects thereto, a spray module rotatably provided for spraying cleaning water toward the cleaning objects, and a supply flow passage for supplying the cleaning water to the spray module, thereby permitting to provide a housing space larger than an existing dishwasher, and a spray module which can wash cleaning objects with an excellent effect.

Abstract: A dishwasher includes a tub at least partially defining a treating chamber and a spraying system having a sprayer supplying liquid to the treating chamber. The sprayer may include a liquid passage and multiple spray outlets to emit sprays to wash the dishes, a first valve body to couple at least one of the multiple spray outlets to the liquid passage, and a second valve body to control a flow of liquid.

Abstract: Provided herein is an arrangement in a dishwasher for creating a wash zone with intensified washing in a washing chamber. The arrangement may include a spray arm rotatably arranged around an axis A; a water pump arranged to feed water to the spray arm; and a control unit arranged to control operation of the water pump. At least one additional nozzle may be is arranged on the spray arm. The additional nozzle may be arranged to be opened when the pressure in the water fed from the water pump to the spray arm exceeds a predetermined level. A dishwasher including the described arrangement is also provided.

Abstract: The invention relates to a cleaner cartridge for cleaning a soiled interior of an appliance, comprising: an integral housing for holding a treatment agent, at least one receptacle for connecting the cleaner cartridge to a water supply, wherein water can be introduced into the housing via the receptacle at a pressure which enables a treatment agent mixture to be sprayed, and at least one spray opening for spraying a treatment agent mixture, wherein the at least one spray opening is arranged as a rotation opening in the circumference-of the housing in such a way that rotation is imparted to the cleaner cartridge as a treatment agent mixture is sprayed. The invention furthermore relates to an appliance having a cleaner cartridge of this kind and to the use of a cleaner cartridge for cleaning appliances.

Abstract: A method of washing dishes in an automated dishwasher utilizing a high velocity sprayer and high velocity spray phase for forcibly spraying water from concavities on washed dishes or utensils in which liquid can puddle in the cavities of the dishes or utensils during previous washing or rinsing cycles.

Abstract: A dishwasher is provided that may include a tub; first and second racks disposed in the tub to accommodate objects to be washed; a lower arm having a lower arm chamber that allows wash water to flow thereinto, an arm channel that communicates with the lower arm chamber through an arm channel communication hole to spray the wash water onto the second rack, a detachable chamber separated from the lower arm chamber by a chamber partition wall, and a chamber communication hole provided in the chamber partition wall to allow the lower arm chamber to communicate with the detachable part chamber; a tower nozzle provided to the second rack to spray the wash water onto the first rack; and a tower connection part withdrawable from the detachable chamber according to water pressure in the detachable chamber and adapted to supply the wash water to the tower nozzle when withdrawn from the detachable chamber.

Abstract: An automatic dishwasher having first and second sprayers located within a washtub, a diverter valve to selectively divert liquid flowing from the wash chamber between the first and second sprayers, and a drive system moving the first sprayer in the wash chamber.

Abstract: A nozzle device for a spray arm of a dishwasher for spraying cleaning fluid out into a dishwashing space is provided with a fluid outflow surface for the outflow of the cleaning fluid from the nozzle device into the dishwashing space. The fluid outflow surface is configured with two subsurfaces which form an angle smaller than 180°.

Abstract: An auxiliary grey water supply device captures used wash water from a commercial warewashing machine for supply to a pre-rinse station without substantial modification of the commercial warewashing machine. The captured wash water is delivered to a pre-rinse station for pre-rinsing of dishes that will be washed within the commercial warewashing machine.

Abstract: A filling element for a container treatment machine for filling containers with a liquid filling material includes a first channel formed in a filling element housing and forming a dispensing opening for controlled dispensing of filing material into a container, and a second channel formed in or on the housing for delivering a cleaning or disinfecting medium. On an outer face of the housing, a spray nozzle or spray-nozzle assembly connects to the second channel.

Abstract: A cleaning device for aquariums comprises a water-tight enclosure configured to be submerged under water and a water pump comprising an inlet for receiving water and an outlet pipe for expelling water. The outlet pipe comprises a central axis. A power source is disposed within the water-tight enclosure for powering the water pump. An adjustable nozzle comprises a nozzle outlet in fluid communication with the outlet pipe, and the adjustable nozzle is configured to be rotated about the central axis of the outlet pipe to selectively adjust a position of the nozzle outlet. In one example, water volume flow or water velocity flow expelled from the nozzle outlet can be selectively adjusted via rotational adjustment of the adjustable nozzle relative to the outlet pipe.

Abstract: The present invention relates to a dishwasher (1) comprising a washing tub (2) having a base (3), a rear wall (4) and two side walls (5) surrounding the base (3), a door (6) providing access to the washing tub (2), connected to the washing tub (2) from its lower side and opening by tilting forward, a rack (8) wherein objects to be washed are placed, having more than one roller (7) disposed at two opposite sides of its lower surface, providing it to move forwards/backwards, having a washing position whereat it is placed on the base (3) to entirely remain inside the washing tub (2), a loading position whereat it is positioned on the inner surface of the door (6) by being moved forwards when the door (6) is open and whereat loading-unloading can be performed and a spray arm (9) extending from the base (3) towards inside the washing tub (2), remaining under the rack (8) when the rack (8) is in the washing position, spraying water towards inside the rack (8) by rotating around itself.

Abstract: A wash arm arrangement (20) for a dishwasher is disclosed which has a central arm (21) adapted to be rotatably connected with a first shaft (23) through which liquid under pressure is fed into said central arm during operation. A satellite arm (22) is rotatably connected with a second shaft (24) arranged on the central arm, and which is arranged separated a first radial distance rcs from the axis of rotation of the central arm. The second shaft supplies liquid to the satellite arm during operation. To provide the liquid to a washing area of the dishwasher, the satellite arm comprises at least one outer nozzle (25) for providing liquid to a washing area of the dishwasher.

Abstract: A steam cleaning apparatus including a main body having a main switch, a steam cleaning head coupled to the main body, and a position sensitive switch having a first state when the steam apparatus is in a substantially vertical storage position and a second state when the steam cleaning apparatus is in a tilted, cleaning position, the position sensitive switch being connected in electrical series with the main switch such that when the position-sensitive switch is in the first state the position-sensitive switch interrupts the flow of electrical current from the main switch and when the position-sensitive switch is in the second state, electrical power is supplied by the main switch.

Abstract: A dishwasher appliance includes a mid-level spray arm assembly and a diverter disposed in a conduit of the assembly. The diverter includes a disk positioned within a chamber and rotatable about an axis, the disk defining an aperture for selectively controlling fluid flow from the chamber into outlet channels, the disk movable along the axial direction between a first position and a second position, the disk defining a channel and a plurality of cams projecting into the channel. The diverter further includes a biasing element configured to urge the disk into the first position, and a boss extending from the housing into the channel of the disk, the boss defining a plurality of guide elements. The guide elements and cams are configured to interact so that movement of the disk along the axial direction between the first position and the second position causes the disk to rotate about the axis.

Abstract: A wash arm arrangement (20) for a dishwasher is disclosed. The wash arm arrangement comprises a central arm (21) adapted to be rotatably connected with a first shaft (23) through which liquid under pressure is fed into the central arm during operation. A second shaft (24) is arranged on the central arm to provide liquid to a satellite arm (22) which is rotatably connected with the second shaft. The satellite arm comprises a collimating nozzle (25) with an exit. The collimating nozzle is arranged for providing a collimated jet for distributing liquid to a washing area of the dishwasher. The inventive concept is based on an understanding that by utilizing a collimated liquid jet with sufficient pressure and flow a good cleaning performance is achieved with a reduced water consumption.

Abstract: A dishwasher comprises: (a) a washing chamber for accommodating articles to be cleaned, and comprising in its lower portion a water-collecting sump floor (12); (b) a spray arm (22) rotatably supported at the sump floor; in accordance with the present invention the dishwasher further comprises (c) a sump member (28) which comprises an insert in the sump floor (12) and which comprises an integral spray arm support (24) which rotatably supports the spray arm (22).

Abstract: A dishwasher has a treating chamber with four corners and a rotatable sprayer located within the treating chamber, where the sprayer includes two conduit segments which rotate about two different axes and a spray head which rotates about yet another axis. The combined rotation of the conduit segments moves the spray head in a non-circular path around the treating chamber.

Abstract: For reducing time required for sterilizing a container by hydrogen peroxide, mitigating a cost required therefore, simplifying a sterilizing apparatus, reducing space for installing such apparatus, and mitigating load to the environment, a method for sterilizing a container is provided according to which hydrogen peroxide aqueous solution, air at the normal temperature and hot air are simultaneously injected into a container whereby the hydrogen peroxide aqueous solution which has been turned to minute droplets by the air at the normal temperature is instantly gasified.

Abstract: A dishwasher includes a rotatable spray arm assembly disposed to discharge water supplied by a pump, with the spray arm assembly having arms that extend radially from a hub. A plurality of spray nozzles are provided along each of the arms to discharge the water at an angular orientation such that a rotational torque is induced to rotate the arms and hub. The spray nozzles are variably positionable on the arms as a function of the degree of centrifugal force on the spray nozzles from the induced rotation of the arms such that angular orientation of the spray nozzles changes as a function of the rotational speed of the arms.

Abstract: A wash arm arrangement (100) for a dishwasher is disclosed. The wash arm arrangement comprises a central arm (121) adapted to be rotatably connected with a first liquid supply shaft (123) for providing pressurized liquid during operation of the dishwasher. The central arm has a first nozzle (130) arranged for outputting a jet of liquid during operation thereby providing a first reaction force Fc for rotating the central arm about its axis of rotation in a first direction. The wash arm arrangement further comprises a satellite arm (122) rotatably arranged on a second liquid supply shaft (124) arranged on an outer end of the central arm, the satellite arm having a second nozzle (131) arranged for outputting a jet of liquid during operation thereby providing a second reaction force Fs for rotating the satellite arm about its axis of rotation in a second direction being opposite to the first direction.

Abstract: A dishwasher is provided that may include a tub; first and second racks disposed in the tub to accommodate objects to be washed; a lower arm having a lower arm chamber that allows wash water to flow thereinto, an arm channel that communicates with the lower arm chamber through an arm channel communication hole to spray the wash water onto the second rack, a detachable chamber separated from the lower arm chamber by a chamber partition wall, and a chamber communication hole provided in the chamber partition wall to allow the lower arm chamber to communicate with the detachable part chamber; a tower nozzle provided to the second rack to spray the wash water onto the first rack; and a tower connection part withdrawable from the detachable chamber according to water pressure in the detachable chamber and adapted to supply the wash water to the tower nozzle when withdrawn from the detachable chamber.

Abstract: A wash arm arrangement (20) for a dishwasher is disclosed. The wash arm arrangement comprises a central arm (21) adapted to be rotatably connected with a first shaft (23) through which liquid under pressure is fed into the central arm during operation. A second shaft (24) is arranged on the central arm to provide liquid to a satellite arm (22) which is rotatably connected with the second shaft. The satellite arm comprises a collimating nozzle (25) with an exit. The collimating nozzle is arranged for providing a collimated jet for distributing liquid to a washing area of the dishwasher. The inventive concept is based on an understanding that by utilizing a collimated liquid jet with sufficient pressure and flow a good cleaning performance is achieved with a reduced water consumption.

Abstract: The present disclosure relates to a dishwasher having a spray arm for spraying water to a lower rack and a tower nozzle for supplying water to an upper rack. The dishwasher may reduce (e.g., prevent) leakage of water from the tower nozzle, and may supply water to either the spray arm or to the tower nozzle through a rotating nozzle depending on a pressure of water.

Abstract: A dishwasher including a cabinet which forms an exterior appearance thereof, the cabinet having a door on one side thereof, which can be opened and closed, a tub provided in the cabinet to form a cleaning object housing space, a rack provided to the tub for securing cleaning objects thereto, a spray module rotatably provided for spraying cleaning water toward the cleaning objects, and a supply flow passage for supplying the cleaning water to the spray module, thereby permitting to provide a housing space larger than an existing dishwasher, and a spray module which can wash cleaning objects with an excellent effect.

Abstract: A dishwasher and a method for operating a dishwasher reduce the length of a washing cycle in a dishwasher as well as the noise which is generated by the impact of the water therein, without altering the performance of the dishwasher. The washing method for a dishwasher having at least two spray devices includes dividing a significant period of time of a washing program duration into a plurality of different lengths of sub-units of time. Substantially every sub-unit of time is made up of at least two time sections. During a first time section, the washing liquid passes through all of the spray devices and during a second time section, the liquid only passes through the lowermost or the uppermost spray device. A dishwasher having at least two spray devices carries out the washing method.

Abstract: An automatic dishwasher has a rotatable spray arm and at least one rotatable sprayer, a drive link coupling the rotation of the rotatable spray arm and the at least one rotatable sprayer, and a drive for directly driving at least one of the rotatable spray arm and the at least one rotatable sprayer.

Abstract: A rotary spray washer for heavy duty applications. Each spray device in the system comprises a rotary coupling and two sets of radially extending spray arms. Each set of arms has nozzles at the distal ends to direct water generally toward a target area but angled enough to produce a rotation-producing reaction torque. One set of arms is longer than the other whereby the shorter arms produce a reaction torque which limits the overall speed of rotation without the need for a friction brake or fluid pump brake.

Abstract: A spray arm assembly for a dishwashing appliance is provided. The assembly can provide for sprays of fluid at different angles against the articles to be cleaned. For example, the spray arm assembly can have at least two spray bodies rotatable in opposite directions. Because the fluid is sprayed from the spray bodies at different angles and from different directions, more efficient and effective cleaning can be accomplished. In certain embodiments of the invention, one or both spray bodies may be operated at any one time and/or at different flow rates.

Abstract: An automatic dishwasher having a rotatable spray arm and at least one rotatable sprayer, with a drive for directly driving at least one of the spray arm and sprayer.

Abstract: An arm includes a tubular body that is rotatable. The tubular body has a first end portion, a second end portion and an intermediate portion between the first end portion and the second end portion. The first end portion is bent in a first direction forming a first angle with the intermediate portion, and the second end portion is bent in a second direction forming a second angle with the intermediate portion. A plurality of nozzles are through the tubular body.

Abstract: Embodiments of the invention provide a system and method of cleaning and/or disinfecting medical equipment. A medical equipment washer system can include an enclosure that receives and substantially surrounds the medical equipment and one or more spray assemblies positioned inside the enclosure. The spray assemblies can automatically emit fluid to clean and/or disinfect the medical equipment. In some embodiments, spray arms of the spray assemblies can oscillate while jets emit fluid.

Abstract: A spray assembly for an automatic dishwasher is provided comprising a conduit system for receiving pressurized washing liquid, and an elongated spray arm including an upper surface and a lower surface. The spray arm includes a dividing wall between the upper surface and the lower surface. The spray arm includes a plurality of orifices formed in the upper surface and the lower surface for distributing the liquid throughout the dishwasher. The dividing wall and the upper surface define an upper interior compartment and the dividing wall and the lower surface define a lower interior compartment. The conduit includes a water feed system and a water diverting mechanism for selectively diverting water into the upper compartment, the lower compartment, or both the upper and the lower compartments.

Abstract: The surface cleaning apparatus is provided in self-propelled embodiments and in a trailer embodiment. The apparatus draws liquid from a supplied tank. Liquid is pressurized to approximately 4,000 psi, then directly to the surface to be cleaned. All cleaning and cleaning component functions are powered via the same fluid pumps via a supply manifold. Total width limitations dictated the design of the sidewalk capable apparatus.

Abstract: An apparatus for treating a surface bounding a space within which a bulk supply of flowable material can be contained. The apparatus has an elongate support with a proximal region and a distal region. At least one flexible tube is provided at the distal region of the elongate support through which a fluid from a pressurized supply can be directed. The at least one flexible tube is movable continuously in a whipping action to thereby cause a force to be applied to a surface at or adjacent to which the flexible tube is located to thereby at least one of: a) apply a fluid; and b) separate matter adhered, to a surface at or adjacent to which the flexible tube is located. The apparatus further has a moving assembly for the elongate support. The moving assembly is operable to controllably reposition and/or reconfigure the elongate support, thereby to controllably place the at least one flexible tube at different selected locations with respect to a surface to be treated by the apparatus.

Abstract: A method of cleaning a surface such as a driveway or a vertical wall which includes converting or retro-fitting a zero-turn radius (ZTR) or other type of mower to a cleaning apparatus. The conversion of the mower includes the steps of adding a water supply tank to the deck area of the mower and providing low pressure and high pressure flow lines. The low pressure flow lines are supplied via a low pressure pump. The high pressure flow lines are supplied by a separate high pressure pump unit. Plural solenoid valves are utilized in the method and system to control the flow of a cleaning solution for various method operations.

Abstract: The invention relates to a spray arm bearing (1) with a bearing element (2), for mounting a spray arm (20) and a flow-guide device (3), connected to the bearing element (2), whereby the bearing element (2) comprises a through opening for the passage of fluid. According to the invention, the base area (D2) of the flow-guide device (3) corresponds to the base area (D1) of the through opening or lies within the base area (D1) of the through opening.