System and apparatus for processing fluids present in devices having hydraulic systems

1. A device for reciprocatingly removing and replenishing fluid in circulating system of a hydraulic system comprising:

at least two processing tanks, each tank having an upper region and an interior chamber;

at least one air pressure regulator and connector releasably engageable with a pressurized air source;

at least one vacuum generator;

means for removing the fluid from the circulating system under vacuum into and through the at least two processing tanks; and

a transportable frame, wherein the at least two processing tanks, the at least one air pressure regulator, at least one vacuum generator, and means for removing the fluid from the circulating system under vacuum into and through the at least two processing tanks are operatively mounted on the transportable frame.

2. The device of claim 1 further comprising means for reintroducing the removed fluid into the circulating system of a hydraulic system further comprising a discharge hose configured to be in releasable fluid communication with an upper region of a reservoir present in the hydraulic system, the discharge hose having a fluid flow direction, and wherein the means for removing fluid from the hydraulic system comprises a suction hose, the suction hose in pneumatic communication with the at least one vacuum generator and in fluid communication with at least one of the processing tanks.

3. The device of claim 1 wherein the at least two processing tanks each contain filtration media.

4. The device of claim 1 further comprising means for returning the fluid to the circulating system of a hydraulic system after contact with the at least two processing tanks.

5. The device of claim 4 wherein the means for removing the fluid from the circulating system under vacuum into and through the at least two processing tanks include a suction hose, the suction hose releasably connectable to the circulating system of a hydraulic system, the suction hose connected to an upper portion of one of the at least two processing tanks and wherein the means for returning the fluid to the circulating system of a hydraulic system after contact with the at least two processing tanks is a discharge hose releasably connectable with the circulating system of a hydraulic system, the discharge hose connected to one of the at least two processing tanks, wherein the suction hose and discharge hose are connected to different processing tanks.

6. The device of claim 1 further comprising means for returning the fluid to the circulating system of a hydraulic system after contact with the at least two processing tanks is a discharge hose releasably connectable with the circulating system of a hydraulic system, the discharge hose connected to one of the at least two processing tanks wherein the discharge hose further comprises at least one wand member, the wand member configured to extend interior chamber or a fluid reservoir in fluid contact with the circulating hydraulic system and to terminate at a location above fluid contained therein.

7. The device of claim 6 wherein the at least two processing tanks each have flow directing elements present in the respective interior chamber, wherein the flow directing elements are configured to permit fluid introduced therein to traverse the interior chamber and exit at the upper region of the associated processing tank.

8. The device of claim 6 wherein the wand member includes a discharge head, the discharge head has a central body defining an interior chamber in fluid communication with a channel defined in the wand member and a least one lateral aperture defined on a surface of the central body that is either perpendicular to fluid flow direction or opposed to fluid flow direction.

9. The device of claim 8 wherein the lateral aperture an arc between 5 and 75 degrees.

10. A device for reciprocatingly removing and replenishing fluid in circulating system of a hydraulic system comprising:

at least two processing tanks;

at least one air pressure regulator and connector releasably engageable with a pressurized air source;

at least one vacuum generator; and

means for removing the fluid from the circulating system under vacuum into and through the at least two processing tanks, wherein the at least two processing tanks are in fluid communication with one another in series and wherein the at least one suction hose is in fluid communication with an upstream pressure tank and a discharge hose is in fluid communication with at least one downstream pressure tank.

11. The device of claim 10 wherein the discharge hose further comprises a wand member in fluid communication with the discharge hose, the wand member defining a central channel and having a discharge head mounted distal to the discharge hose, the discharge head having a central body defining a central chamber, the central body having at least one aperture defined therein, where the aperture is positioned on the central body at a location perpendicular to or opposed to the discharge hose fluid flow direction.

12. The device of claim 10 wherein the at least two processing tanks each contain filtration media.

13. The device of claim 10 wherein the at least two processing tanks each have flow directing elements present in the respective interior chamber, wherein the flow directing elements are configured to permit fluid introduced therein to traverse the interior chamber and exit at the upper region of the associated processing tank.

14. A method for reconditioning a volume of fluid in a circulating system in hydraulic system, the hydraulic system having at least one hydraulic actuation device, a hydraulic fluid circulating system, and at least one reservoir, the reservoir having a fluid level, the method comprising the steps of:

establishing pneumatic and fluid connection with at least one location in hydraulic fluid circulating system and an externally positioned device for reciprocatingly removing and replenishing fluid in the circulating system of a hydraulic system that includes:

at least two processing tanks;

at least one air pressure regulator and connector releasably engageable with a pressurized air source;

at least one vacuum generator;

means for removing the fluid from the circulating system under vacuum;

establishing fluid connection with at least one point in hydraulic system reservoir below the fluid level and the device for reciprocatingly removing and replenishing fluid in circulating system of a hydraulic system, the fluid connection location being different from the pneumatic and fluid connection;

after pneumatic and fluid connection is established, drawing a vacuum pressure through said pneumatic connection and removing a volume of hydraulic fluid from a reservoir associated with the hydraulic system in to contact with filtration media contained in the processing tanks and

introducing the volume of hydraulic fluid removed from the reservoir into the circulating system through said fluid connection, wherein said fluid connection is at a location in the on-board reservoir at a location above the fluid level in the reservoir.

15. The method of claim 14 further comprising the steps of:

discontinuing vacuum pressure operations after hydraulic fluid in the on-board reservoir has been processed;

establishing fluid communication between the at least one hydraulic actuator and the circulating system on the hydraulic device;

repositioning the suction hose of the external processing device to a location in fluid contact with circulating system downstream of the hydraulic actuator device;

repositioning the discharge hose to a location in the hydraulic system reservoir above the fluid level; and

operating the hydraulic system for an interval sufficient to circulate fluid contained in the at least one actuator through the externally positioned device and into the hydraulic system reservoir.

16. The method of claim 14 wherein the device for reciprocatingly removing and replenishing fluid in the circulating system of a hydraulic system further comprises a discharge hose, the discharge hose further comprises a wand member in fluid communication with the discharge hose, the wand member defining a central channel and having a discharge head mounted distal to the discharge hose, the discharge head having a central body defining a central chamber, the central body having at least one aperture defined therein, where the aperture is positioned on the central body at a location perpendicular to or opposed to the discharge hose fluid flow direction.

17. The method of claim 14 wherein the at least two processing tanks are in fluid communication with one another in series and wherein at least one suction hose is in fluid communication with an upstream pressure tank and a discharge hose is in fluid communication with at least one downstream pressure tank.