A fluid flushing machine for a vehicle engine component uses a pre-heated cleaner/fluid to increase the effectiveness of the cleaning procedure and reduce the time needed to clean the component. The invention is designed to clean air charged coolers, EGR valves, EGR coolers, and other components that over time have become contaminated with carbon build up, oil, and debris. The machine of the present invention has the option to direct heated cleaning fluid through the vehicle engine's cooling system to remove carbon build up, oil, and debris in the vehicle's EGR valve and cooler component. The machine of the present invention is adapted to perform the operation in an engine-off condition by incorporating an integrated or external electronic device to open the vehicle's EGR valve to allow the cleaning fluid to flow through the engine while it is turned off.

A cleaning apparatus of a work machine for cleaning debris from a screen mounted to a door of an engine cooling assembly. The cleaning apparatus includes a duct extending along the screen and along a first side of the door. The duct includes a duct end located at the door. A vacuum assembly is configured to draw a vacuum through the duct, wherein the vacuum assembly is detachably connected with the duct end. An alignment mechanism includes an aligner that extends from the duct to a frame of the work machine. The alignment mechanism aligns the duct end with the vacuum assembly to provide a seal between the duct and the vacuum.

The present invention relates to a method for filling a cooling circuit (2) of a motor vehicle (3) with a coolant (4). A simple filling of the cooling circuit (2) with coolant (4) and an increased operational safety are achieved in that the cooling circuit (2) is initially filled with ion-free water (13) and thereafter with a passivating agent (16), and wherein thereafter the cooling circuit (2) is rinsed with ion-free water (13) and subsequently filled with the coolant (4).

The invention, furthermore, relates to a system (1) for filling a cooling circuit (2) of a motor vehicle (3) with coolant (4).

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 cooling apparatus (1) for cooling a fluid withsurface water, comprising at least one tube (8) for containing and transporting the fluid in its interior, the exterior of the tube (8) being in operation at least partially submerged in the surface water so as to cool the tube (8) to thereby also cool the fluid. The cooling apparatus (1) further comprises at least one light source (9) for producing light that hinders fouling on the submerged exterior, wherein the light source (9) is dimensioned and positioned with respect to the tube (8) so as to cast anti-fouling light over the tube's exterior. By this structure anti-fouling of the cooling apparatus (1) can be assured in an alternative and effective manner.

A cooling apparatus (1) for cooling a fluid by means of surface water, the cooling apparatus comprising at least one tube (8) for containing and transporting the fluid in its interior, the exterior of the tube (8) being in operation at least partially submerged in the surface water so as to cool the tube (8) to thereby also cool the fluid, characterized in that the cooling apparatus is adapted to receive at least one light source (9) for producing light that hinders fouling, wherein, after the cooling apparatus has received the light source, the at least one light source (9) is dimensioned and positioned with respect to the tube (8) so as to cast anti-fouling light over the tubes' (8) exterior.

A general purpose engine includes: a crankcase to support an engine rotary shaft; a cylinder unit extending from the crankcase in a direction perpendicular to an axis of the engine rotary shaft; a cooling fan fixed to one of opposite ends of the engine rotary shaft; and a fan housing configured to have an air induction opening defined therein for the cooling fan and to cover the crankcase and the cylinder unit from one side of the engine rotary shaft. At a position of the fan housing which is opposed to the cooling fin of the cylinder unit, a cleaning access window is defined. The cleaning access window is covered by a debris covering that is capable of being selectively opened and closed. The debris covering has one end portion engaged with the fan housing and the other end portion removably mounted on the fan housing by a magnetic body.

A cleaning system for removal of contaminants from a surface of a vehicle component exposed to a gas or fluid flow, the cleaning system comprising: an excitation device adapted to be attached to the vehicle component in the vicinity of the surface exposed to contaminants, wherein the excitation device is configured to cause the surface to mechanically vibrate by transferring a vibrational excitation to the surface; wherein the frequency of the vibrational excitation is controllable to be based on the configuration of the vehicle component as well as other modelled/measured parameters.

A general purpose engine includes: a crankcase to support an engine rotary shaft; a cylinder unit extending from the crankcase in a direction perpendicular to an axis of the engine rotary shaft; a cooling fan fixed to one of opposite ends of the engine rotary shaft; and a fan housing configured to have an air induction opening defined therein for the cooling fan and to cover the crankcase and the cylinder unit from one side of the engine rotary shaft. At a position of the fan housing which is opposed to the cooling fin of the cylinder unit, a cleaning access window is defined. The cleaning access window is covered by a debris covering that is capable of being selectively opened and closed. The debris covering has one end portion engaged with the fan housing and the other end portion removably mounted on the fan housing by a magnetic body.

A coolant control valve unit includes a wall including a passage disposed at a predetermined position from one surface to another surface, a valve disposed to be inserted into the passage and open and close the passage according to a movement position, and an actuator opening and closing the passage through the valve by pushing or pulling the valve by using a stem connected with the valve, wherein one side and another side of the wall are formed to have a height difference in a movement direction or in an opposite movement direction so that a portion of the passage is opened and a remaining part of the passage is closed by the valve when the valve moves along the passage.