Provided are a centrifugal battery liquid injection mechanism and a liquid injection method thereof. The centrifugal battery liquid injection mechanism comprises a liquid injection device and a driving device, the liquid injection device is provided with a piston mechanism and a liquid outlet head capable of being opened and closed, and one end of the liquid injection device close to the liquid outlet head is further provided with a liquid injection port capable of being opened and closed; and the liquid injection port is used for injecting a wetting liquid into the liquid injection device. The liquid injection device is connected with a to-be-wetted device through the liquid outlet head, so as to inject the wetting liquid into the to-be-wetted device. The driving device is connected with the to-be-wetted device for driving the to-be-wetted device to move.

Methods and systems for coating with shear and moisture sensitive materials are disclosed. A method of coating a product includes filling an inner bellows chamber of a bellows, which is provided within and isolated from an outer bellows chamber of a tank, with a predetermined amount of the coating material. The method of coating the product further includes supplying a pressurized material to the outer bellows chamber to pressurize the coating material within the inner bellows chamber to an operating pressure, and supplying the coating material within the inner bellows chamber to a spray gun at the operating pressure. The method of coating also includes determining that a measured actual pressure is within a predetermined control range of the target pressure and subsequently coating the product by spraying the product with the coating material from the spray gun.

According to one embodiment, a pump includes a first chamber configured to store a first fluid. The pump includes a second chamber configured to store a second fluid, the second chamber being positioned on a side of the first chamber. Volume of a space of the second chamber configured to store the second fluid is variable. The pump includes an elongated member having a first end portion and a second end portion, the first end portion provided in the second chamber and the second end portion provided in the first chamber.

A liquid delivery system includes a reciprocating drive and a liquid cylinder comprising a liquid piston, operably driven by the reciprocating drive, to pump a liquid along a flow path to a liquid applicator. The liquid delivery system includes a coupler configured to couple the liquid piston to the reciprocating drive. The coupler includes a plurality of collar elements and a biasing member configured to apply a biasing force on the plurality of collar elements to retain the collar elements in a position that forms a collar that couples the liquid piston to the reciprocating drive.

Disclosed is a self-aligning device, apparatus, and method for cleaning panels including photovoltaic panels. In an embodiment of the invention, a panel cleaner comprises a manifold, a plurality of nozzles operatively connected to the manifold, wherein the manifold supplies fluid to the plurality of nozzles, a guide comprising a hub and a plurality of spokes extending radially from the hub, wherein the guide is rotatable about an axis defined by a concentric center of the hub, and a plurality of wheels. In another embodiment of the invention, a method of cleaning an array of panels with a panel cleaner, each panel positioned adjacent to at least one other panel forming a panel gap between said panels, the steps comprising: inserting a guide spoke of a first guide within the panel gap, the guide spoke connected to a hub flange of a first hub assembly, wherein the first hub assembly is attached to a first axle; spraying pressurized fluid from a plurality of nozzles operatively connected to a manifold, the manifold offset from the first axle by an upright; and moving the panel cleaner over the surfaces of the panels in the array of panels using a plurality of wheels in a direction parallel to the panel gap in which the guide spoke is inserted.

A tank for transporting and spraying a liquid having a plurality of walls forming a receptacle configured to receive the liquid and a pump system supported by at least one of the plurality of walls. The pump system has a liquid end and a power frame with at least a portion of the power frame being disposed in the receptacle. In some implementations, the tank has a reservoir disposed in proximity to one of the plurality of walls. The reservoir provides a working fluid to the portion of the power frame disposed in the receptacle.

A pump arrangement, in particular in a coating installation for the coating of components, such as a painting installation for the painting of motor vehicle body components, is provided. The pump arrangement includes a plurality of adjustable pumps for delivering a coating agent, e.g. for delivering a sealing agent for the sealing of weld seams on a motor vehicle body component. The pumps are connected in parallel such that the pumps extract the coating agent for delivery from a common inlet line and deliver said coating agent into a common outlet line. The arrangement further includes a control device for the open-loop or closed-loop control of one fluid variable at the outlet of the individual pumps, respectively, wherein the control device actuates the individual pumps individually, and/or a monitoring unit, which switches the pumps on and off non-simultaneously.

A multi-axis linkage for use with a collapsible boom of an agricultural vehicle is disclosed. The collapsible boom includes a first boom segment having a first truss and a second boom segment having a second truss. The multi-axis linkage includes a first linear motor, a second linear motor, and a multipoint winged link. The first linear motor has a piston rod. An end of the piston rod is coupled to the first truss. The second linear motor has a second piston rod. An end of the second piston rod is coupled to the second truss. The multipoint winged link connects to the first linear motor, the second linear motor, the first boom segment, and the second boom segment.

An agricultural vehicle includes a chassis, wheels supporting the chassis for moving the vehicle, an application system supported by the chassis and including a product tank storing a volume of agricultural product for delivery onto an agricultural field, and an application boom configured to deliver the agricultural product to the agricultural field. The application boom includes a boom arm segment having a longitudinal tube, an elongated structure coupled to the longitudinal tube, and an elastomeric bonding material affixing the longitudinal tube and the elongated structure.

An electro-hydraulic actuation system for a sprayer comprises a hydraulic system, a hydraulic actuator, an electric actuator and a sprayer. The hydraulic system is for pressurizing a hydraulic fluid. The hydraulic actuator is powered by the hydraulic system. The electric actuator controls actuation of the hydraulic actuator by the hydraulic system. The sprayer is actuated by the hydraulic actuator.