A cleaning system for a solar panel is provided. The cleaning system comprises: i) a frame moveable in a transverse direction over the solar panel, the frame having edges oriented in the transverse direction; a brush assembly positioned within the frame and moveable in a longitudinal direction including a plurality brush holders arranged within the frame, with each brush holder being adapted to interchangeably receive a brush for cleaning the solar panel; and a liquid spray arrangement including nozzles arranged one or more rows for spraying at least one of water and a water detergent mix onto the solar panel. The liquid spray arrangement includes nozzles positioned near at least one of the transverse edges of the frame for spraying the water detergent mix onto a longitudinal end of the brush assembly.

A cleaning device includes a separation and contact mechanism that separates a web from a conveyance roller and brings the web into contact with the conveyance roller, and a controller. The controller includes a conveyed sheet number determination unit and a separation and contact control unit. The conveyed sheet number determination unit monitors a conveyed sheet number of both-surface image forming sheets where image forming processing is applied to both a first surface and a second surface with respect to the sheets conveyed by the conveyance roller, and determines whether or not a cumulative value of the conveyed sheet number has reached a predetermined threshold value. The separation and contact control unit controls the separation and contact mechanism so as to allow the web to be pressed to the conveyance roller by a pressing roller when the cumulative value of the conveyed sheet number has reached the threshold value.

A whole-process automatic soil tabletting machine is provided, which relates to the technical field of soil tabletting. The machine includes a device body. A tabletting platform is arranged at a bottom of the device body, a first station on which a heating device is arranged, second and third stations are arranged on the tabletting platform. A top plate is arranged at a top of the device body. A soil crushing cutter and a punch head are installed on the top plate. The soil crushing cutter and the punch head are arranged above the first and second stations respectively. The tabletting platform is installed with a groove disc where sample preparation grooves and a cleaning groove are formed. The sample preparation grooves and the cleaning groove correspond to the first station, the second station or the third station. The cleaning groove and each sample preparation groove are for placing a cleaning container and a soil sample container, respectively. According to the whole-process automatic soil tabletting machine, the problem that the preparation process of the soil sample is complex and tedious is solved, structures required by all processes are integrated together, and the automatic completion of thermal drying, powdering and compacting is realized.

A cleaning unit for cleaning a housing of a medical imaging apparatus surrounding a patient receiving area, including at least one cleaning element, wherein the at least one cleaning element has an annular carrier structure, and a diameter of the cleaning element comprises at least one value of a diameter of the housing surrounding the patient receiving area.

A cleaning unit for a sensor with a sensor housing and a drive shaft comprises a holding element which extends along an axis and is suitable for being mounted on the drive shaft so that the cleaning unit can be moved by the drive shaft and a wiper element which is fastened to the holding element and has a ring which axially surrounds the holding element, so that the ring is in contact with the sensor housing of the sensor when the holding element is mounted on the drive shaft, wherein the ring has at least one tooth which extends radially to the axis.

A method and washer head assembly for washing a surface of a solar panel, includes lowering a washer head frame onto a solar panel. The washer head frame includes a washer frame cross member having a swivel mounted thereon. The swivel is mounted below a center of gravity. The frame includes a upper frame rail and a lower frame rail. A plurality of lath brushes together extend, generally, the length of the washer head frame. The lath brushes are made up to include a plurality of bristles being of sufficient number to support the washer head frame against the surface of the solar panel without damage to the solar panel. The lightness of the frame and the resilience of the brush bristles assure that the washer head frame will not come into damaging contact with the solar panel.

A solar panel cleaning system includes: an automated cleaning device for cleaning a surface of a reference cell panel; a cleaning device controller in communication with a motor of the automated cleaning device, the cleaning device controller configured to receive a signal corresponding to measurement of a current of photovoltaic system. The cleaning device controller activates the automated cleaning device to clean a surface of the reference cell panel when the received signal indicates that a measurement of the current of the photovoltaic system is to be taken.

A vehicle washing system includes a vehicle treatment area that is configured to receive a vehicle to be dried. At least one dryer media device is positioned in the vehicle treatment area. The at least one dryer media device is configured to dry the vehicle upon contact with the vehicle. An air moving assembly is located adjacent to the at least one dryer media device in the vehicle treatment area, and is configured to remove excess moisture from the at least one dryer media device.

Liquid applicators and methods. The liquid applicators include a frame and an applicator head operably coupled to the frame and configured to support a section of an applicator fabric for operable application of a liquid to a substrate. The liquid applicators further include a fabric conveyance system that is operably coupled to the frame and includes a fabric pay-out assembly configured to supply the applicator fabric to the applicator head and a fabric take-up assembly configured to receive the applicator fabric from the applicator head. The liquid applicators further include a liquid delivery system configured to deliver the liquid to the section of the applicator fabric. The methods include delivering the liquid to the section of applicator fabric, engaging the section of applicator fabric with the substrate, and moving the section of the applicator fabric across the substrate to apply the liquid thereto.

An automobile vehicle self-cleaning modular floor system includes a self-cleaning modular assembly positioned in a passenger compartment of an automobile vehicle and including a tread portion, the tread portion having a first face and an oppositely directed second face. The first face of the tread portion when upwardly directed defines a first position of the tread portion, with a waste item collecting onto the first face in the first position during operation of the automobile vehicle. The tread portion is selectively moved from the first position to a second position having the first face downwardly directed and the second face upwardly directed. A waste collection tray is positioned below the tread portion to receive the waste item when the tread portion is in the second position.