A system for cleaning a grille of a work vehicle may include a grille defining an inner side facing towards an interior portion of a work vehicle and an outer side facing towards an exterior of the work vehicle. The system may further include a plurality of nozzles fixed relative to the grille and being directed towards the inner side of the grille. Additionally, the system may include a pressurized fluid source configured to supply pressurized fluid to the plurality of nozzles. The pressurized fluid received by the plurality of nozzles is expelled from the plurality of nozzles and directed through the grille.

A high-pressure cleaning apparatus including a high-pressure pump that includes a suction chamber, at least one pump chamber in which liquid is pressurized, and a pressure chamber arranged downstream of the pump chamber is disclosed. The high-pressure pump includes a return line via which the pressure chamber is in flow communication with the suction chamber, and a valve unit by which a free cross-sectional area of the return line is changeable. The high-pressure cleaning apparatus also includes a drive unit associated with the valve unit, a control unit coupled to the drive unit and a pressure sensor coupled to the control unit for detecting liquid pressure on the pressure side of the pump chamber. Depending on the signal of the pressure sensor, the liquid pressure can be controllable to a predetermined or predeterminable liquid pressure by changing of the free cross-sectional area of the return line.

A pressure washing device is provided with a bypass mode. The device comprises a bypass mode and bypass structure that is in fluid communication with a fluid tank for at least one of storing and cooling a fluid that has been heated to unacceptable levels. The present disclosure further provides various devices and features for managing and mitigating heating and over-heating of fluids and components in communication with the fluids.

A bypass valve, comprising: a main conduit (10), comprising a first section (11) and a second section (12); a mobile control shutter (21); a bypass conduit (30) which places the main conduit (10) in communication with a discharge opening; a control element (31), mobile between a closed position, at which it closes the bypass conduit (30), and an open position, at which it opens the bypass conduit; a throttle element (40), interposed between the first section (11) and the second section (12), structured to produce a load loss which depends on the fluid flow rate in transit along the main conduit (10). The control element (31) is tubular-shaped and defines internally a section of the bypass conduit (30). The control element (31) is slidable along a housing (32) provided with a sealing seat (33). A passageway (34) is predisposed between the control element (31) and the housing (32) which places the first section (11) in communication with the second section (12).

A representative cleaning tool includes: a valve assembly having an inlet, a first outlet, a second outlet and an actuator, the inlet configured to receive a flow of water, the first outlet fluidly communicating with a first conduit, the second outlet fluidly communicating with a second conduit, and the actuator configured to selectively direct the flow of water from the inlet based on a position of the actuator; a mixing assembly fluidly communicating with the second conduit; a detergent reservoir fluidly communicating with the mixing assembly and configured to receive therein a supply of detergent, wherein, based on the actuator being in the second position, the valve assembly directs the flow of water to the mixing assembly, which draws a portion of the supply of detergent from the detergent reservoir and mixes the water and the detergent to form foam that is directed through the second conduit; and a handle configured to be gripped by a hand of a user, wherein the actuator is configured to be moved by the hand of the user while gripping the handle.

A pressure washer includes a prime mover, a water pump, the water pump including a pump inlet for receiving fluid from a fluid source and a pump outlet for supplying a pressurized primary fluid, a jet pump including a primary fluid inlet fluidly coupled to the pump outlet, a secondary fluid inlet, and a fluid outlet, and a spray gun configured to be fluidly coupled to the fluid outlet of the jet pump, the spray gun including a spray gun outlet having a variable effective flow area. Wherein, in operation, in a high pressure operating mode, the pressurized primary fluid flows through the jet pump and exits through the fluid outlet of the jet pump, and in a high flow operating mode, the pressurized primary fluid flows through the jet pump and entrains a secondary fluid supplied through the secondary fluid inlet, resulting in a combined fluid flow.

A bypass valve, comprising: a main conduit (10), comprising a first section (11) and a second section (12); a mobile control shutter (21); a bypass conduit (30) which places the main conduit (10) in communication with a discharge opening; a control element (31), mobile between a closed position, at which it closes the bypass conduit (30), and an open position, at which it opens the bypass conduit; a throttle element (40), interposed between the first section (11) and the second section (12), structured to produce a load loss which depends on the fluid flow rate in transit along the main conduit (10).

The control element (31) is tubular-shaped and defines internally a section of the bypass conduit (30). The control element (31) is slidable along a housing (32) provided with a sealing seat (33).

A passageway (34) is predisposed between the control element (31) and the housing (32) which places the first section (11) in communication with the second section (12);

An agricultural sprayer includes a purge tank and first and second nozzles. Furthermore, the system includes a first valve fluidly configured to selectively permit air to flow to the first nozzle and a second valve fluidly configured to selectively permit the air to flow to the second nozzle. A computing system is configured to receive an input indicative of initiation of a purging operation and, upon receipt of the input, control an operation of a main valve to allow the air to flow through a main fluid conduit. Furthermore, the computing system is configured to monitor the air pressure associated with the purge tank and control the operation of the first and second valves during the purging operation based on the monitored air pressure.

A cleaning system for an agricultural sprayer may include a sprayer boom, a plurality of nozzle assemblies provided in association with the sprayer boom and configured to dispense an agricultural product during a spraying operation of the agricultural sprayer, a first cleaning fluid tank configured to hold a first cleaning fluid, and a nozzle assembly fluid circuit fluidly coupling the plurality of nozzle assemblies and the first cleaning fluid tank. Moreover, the cleaning system may include a cleaning station supported on the sprayer boom, the cleaning station comprising a first valve. Additionally, the cleaning system may include a first cleaning fluid circuit fluidly coupling the first valve and the first cleaning fluid tank. The first valve is configured to supply the first cleaning fluid therethrough when the first valve is in an open position.

In one aspect, a system for monitoring a level of hydraulic fluid in an agricultural sprayer includes a drive system, a hydraulic fluid system, and a fill level sensor. The system also includes a computing system communicatively coupled to both the drive system and the fill level sensor. The computing system is configured to monitor the level of hydraulic fluid within the hydraulic fluid reservoir based on data received from the fill level sensor. The computing system is further configured to detect a leak condition in the hydraulic fluid system based at least in part on the monitored level of the hydraulic fluid within the hydraulic fluid reservoir and control an operation of the drive system to reduce the ground speed of the agricultural sprayer in response to detecting the leak condition.