System for periodic fluid maintenance of apparatus

• US 6,568,436 B1
• Filed: 12/04/2000
• Issued: 05/27/2003
• Est. Priority Date: 12/04/2000
• Status: Expired due to Fees

• Current Assignee: The Lubrizol Corporation (Berkshire Hathaway Incorporated)
• Original Assignee: The Lubrizol Corporation (Berkshire Hathaway Incorporated)
• Inventors: Martin, John R., Matthews, John H., Ruff, Albert L., Boyle, Frederick P., Gerber, Gary E., Silzle, L. William
• Primary Examiner(s): Douglas, Steven O.
• Application Number:
  US09/729,512
• Time in Patent Office: 904 Days
• Field of Search: 141/65, 141/59, 141/98, 141/192, 141/198, 141/95, 184/1.5, 701/29-33, 340/603, 340/606, 340/612, 340/618-625, 340/631, 123/196.R
• US Class Current: 141/65
• CPC Class Codes: F01M 11/04 Filling or draining lubricant of or from machines or engines

Abstract

A system for periodically maintaining non-fuel fluids required for proper performance by various apparatus and for reporting non-fuel fluid maintenance action taken. Maintenance systems include means for replacing, replenishing or renewing non-fuel fluids or renewing non-fuel fluid filters. Reporting systems include means for communicating information between on- and off-apparatus sub-systems and for generating reports that document non-fuel fluid maintenance actions taken.

Claims

1. A system for periodically maintaining at least one non-fuel fluid of an apparatus for proper operation comprising a first sub-system mounted on the apparatus for providing fluid communication between an apparatus fluid communication port and an apparatus component that requires non-fuel fluid, a second sub-system mounted at an off-apparatus fluid maintenance facility for providing a supply of maintenance fluid for a multitude of apparatus equipped with the first sub-system and for communicating the supply of maintenance fluid to the port on the apparatus, and control means for determining the quantity of the maintenance fluid to be supplied by the second sub-system to the first sub-system to maintain the non-fuel fluid, and for controlling fluid communication of the maintenance fluid from the second sub-system to the first sub-system during maintenance of the non-fuel fluid.

2. The system of claim 1 wherein the fluid maintenance facility is fixed and the apparatus are brought to the fluid maintenance facility for fluid maintenance.

3. The system of claim 1 wherein the fluid maintenance facility is mobile and is brought to the apparatus for fluid maintenance.

4. The system of claim 1 wherein the non-fuel fluid is at least one of the following:

liquid, gas, semi-solid, particulate that can be fluidized.

5. The system of claim 1 wherein the non-fuel fluid is at least one of the following:

engine oil, gear lubricant, metalworking fluid, hydraulic fluid, coolant, transmission fluid, brake fluid, cleaning fluid, air, nitrogen, oxygen, carbon dioxide, refrigerant, grease, fluidized abrasive, electric charge.

6. The system of claim 1 wherein the non-fuel fluid is maintained by replenishing at least a portion of the non-fuel fluid with the maintenance fluid.

7. The system of claim 6 wherein the maintenance fluid comprises at least one of the following:

a fluid that is substantially the same as the non-fuel fluid being replenished, a fluid that is specially formulated as a replenishment fluid for the non-fuel fluid.

8. The system of claim 1 wherein the non-fuel fluid is maintained by renewing the non-fuel fluid with the addition of a maintenance fluid that has at least one additive that improves the fluid performance of the non-fuel fluid, the additive including at least one of the following:

corrosion inhibitor, viscosity modifier, dispersant, friction modifier, coolant inhibitor, surfactant, detergent, extreme pressure agent.

9. The system of claim 1 wherein the non-fuel fluid is maintained by renewing a contaminant removal device that cleans the non-fuel fluid while the apparatus operates between periodic fluid maintenance.

10. The system of claim 9 wherein the contaminant removal device comprises a filter that is renewed by at least one of the following:

backflushing with the non-fuel fluid as the non-fuel fluid is removed from the apparatus during fluid maintenance, flushing with a cleaning maintenance fluid that is communicated from a reservoir at the fluid maintenance facility.

11. The system of claim 1 wherein the control means determines the volume of maintenance fluid to be supplied to the apparatus during fluid maintenance based on at least one of the following non-fuel fluid conditions:

level, contamination amount, contamination type, viscosity, electrical property, optical property.

12. The system of claim 1 wherein the control means determines the volume of maintenance fluid to be supplied to the apparatus during fluid maintenance based on at least one of the following:

apparatus use, apparatus condition, a combination of non-fuel fluid condition, apparatus use and apparatus condition.

13. The system of claim 12 wherein apparatus use includes at least one of the following:

time of operation, number of operations, distance traveled, fuel use.

14. The system of claim 12 wherein apparatus condition is based on efficiency of apparatus operation.

15. The system of claim 1 wherein the control means further comprises means for determining the kind, type and grade of the maintenance fluid to be used with a particular apparatus.

16. The system of claim 1 wherein the control means further comprises means for identifying a particular apparatus during fluid maintenance.

17. The system of claim 1 wherein the control means further comprises means for recording and storing fluid maintenance information for the particular apparatus for later retrieval.

18. The system of claim 1 wherein the control means is on the apparatus and communicates information to the fluid maintenance facility needed to control the second sub-system.

19. The system of claim 1 wherein the control means is located at the fluid maintenance facility and communicates information to the apparatus needed to control the first sub-system.

20. The system of claim 1 wherein the control means is located in part on the apparatus and in part at the fluid maintenance facility, with communication means between the apparatus and the fluid maintenance facility.

21. The system of claim 1 wherein engine oil is the non-fuel fluid that is periodically maintained, the first sub-system provides fluid communication between the apparatus port and an engine oil reservoir of the apparatus, the second sub-system includes a maintenance oil reservoir for providing a supply of maintenance oil and a used oil reservoir for receiving used engine oil to and from the engine oil reservoir, and the control means controls the level and quality of the engine oil in the engine oil reservoir during fluid maintenance.

22. The system of claim 21 wherein the first sub-system includes an overflow in the engine oil reservoir which communicates any excess used engine oil to the used oil reservoir.

23. The system of claim 22 wherein the first sub-system includes a backflushable oil filter assembly, and means for causing the excess used engine oil that is removed from the engine oil reservoir to flow back through the oil filter assembly prior to being communicated to the used oil reservoir.

24. The system of claim 23 wherein the means for causing the excess used engine oil to flow back through the filter assembly includes an overflow that is positioned a predetermined distance above a manufacturer'"'"'s recommended engine oil level in the engine oil reservoir such that the added volume of maintenance oil to the engine oil reservoir is equivalent to the volume of engine oil needed to refill the filter assembly at the end of oil maintenance.

25. The system of claim 1 further comprising at least one display for displaying at least one of the following:

the volumes of maintenance fluid communicated by the second sub-system during the maintenance of the non-fuel fluid, the cost of maintenance provided.

26. The system of claim 1 further comprising a printer for providing a report with maintenance information at the end of fluid maintenance.

27. The system of claim 1 wherein lubrication grease is the non-fuel fluid that is periodically maintained and the first sub-system distributes grease supplied to the apparatus port to at least one apparatus component requiring lubrication grease, and the second sub-system includes a grease reservoir for supplying lubrication grease to the apparatus port during fluid maintenance.

28. The system of claim 27 wherein the control means includes means for measuring the pressure of the lubrication grease supplied to the first sub-system by the second sub-system, and if the pressure is outside a predetermined range, giving a warning of a possible component or system failure.

29. The system of claim 1 wherein there are a plurality of first sub-systems mounted on the apparatus, each of the first sub-systems including means for providing fluid communication between at least one apparatus fluid communication port and a plurality of apparatus components that require non-fuel fluid for proper operation, and the second sub-system includes a plurality of reservoirs, and means for communicating maintenance fluid between the reservoirs and the first sub-systems on the apparatus, and at least one control means for controlling the process of maintaining the non-fuel fluids by determining the quantity of a plurality of maintenance fluid communications between the first sub-systems and the second sub-system to maintain the non-fuel fluids, and by controlling the maintenance fluids communications between the first sub-systems and the second sub-system during maintenance of the non-fuel fluids.

30. The system of claim 29 wherein the apparatus includes a single port for communicating more than one maintenance fluid, the port having multiple connectors communicating with multiple first sub-systems, and the second sub-system including a hose with multiple conduits and a hose nozzle containing multiple connectors oriented for establishing communication between the connectors of the first sub-systems and the appropriate fluid reservoirs at the second sub-system.

31. The system of claim 29 wherein the apparatus includes a plurality of ports for communicating more than one maintenance fluid.

32. A system for periodically maintaining a non-fuel fluid of a component mounted on an apparatus comprising an on-apparatus sub-system for providing fluid communication with the apparatus component, an off-apparatus supply of maintenance fluid, communication means for selectively providing communication between the off-apparatus supply and the on-apparatus sub-system, and control means for determining when and the volume of maintenance fluid to be supplied to the on-apparatus sub-system and for controlling the periodic transfer of the maintenance fluid to the on-apparatus sub-system for maintaining the level and quality of non-fuel fluid of the on-apparatus component.

33. The system of claim 32 wherein the apparatus includes a plurality of on-apparatus sub-systems for providing fluid communication with a plurality of apparatus components requiring non-fuel fluids for proper operation, and a single port for intermittent volume transfer of a plurality of maintenance fluids from the off-apparatus supply to a plurality of the on-apparatus sub-systems.

34. The system of claim 32 wherein the apparatus includes means for providing for the periodic volume transfer of maintenance fluid to the on-apparatus sub-system from an off-apparatus fluid maintenance facility and used fluid from the on-apparatus sub-system to the off-apparatus service facility.

35. The system of claim 32 wherein the control means determines the volume of fluid to be supplied to the apparatus sub-system based on preselected apparatus use or performance.

36. The system of claim 32 further comprising on-apparatus means for identifying a particular apparatus and kind, type and grade of non-fuel fluids to be used with the apparatus.

37. The system of claim 32 further comprising means for communicating information regarding fluid maintenance of a particular apparatus between the control means and a remote location.

38. A system for periodically replenishing or replacing one or more non-fuel fluids of an apparatus comprising an off-apparatus dispenser for dispensing fluids, means for establishing fluid communication between the dispenser and an on-apparatus sub-system that supplies fluid to one or more apparatus components that require non-fuel fluid, and control means for determining the amount of non-fuel fluid to be replenished or replaced and actuating the dispenser to dispense the required amount of fluid to the sub-system during fluid maintenance.

39. The system of claim 38 wherein the means for establishing fluid communication between the dispenser and the sub-system comprises an apparatus port in fluid communication with the sub-system and a dispenser hose that is connected to the apparatus port during fluid maintenance, the apparatus port having multiple openings, and the hose having multiple conduits communicating with multiple off-apparatus reservoirs through the dispenser and a nozzle on the hose containing multiple connectors oriented for establishing communication with respective ones of the openings at the apparatus port when the nozzle is connected to the apparatus port.

40. The system of claim 39 wherein the sub-system includes an engine oil reservoir, and off-apparatus reservoirs provide a supply of maintenance oil to the engine oil reservoir and receive used engine oil from the engine oil reservoir, respectively.

41. The system of claim 38 wherein the sub-system includes an engine oil reservoir, and the dispenser includes off-apparatus reservoirs containing a supply of maintenance oil and for storing used engine oil, respectively, the dispenser being operated by the control means to maintain the level and quality of engine oil in the engine oil reservoir during fluid maintenance.

42. The system of claim 41 further comprising on-apparatus sensors for determining the quality of the engine oil in the engine oil reservoir, and means for transmitting information regarding engine oil quality from the on-apparatus sensors to the control means for use in determining the amount of maintenance oil to be added to the engine oil reservoir by the dispenser to maintain engine oil quality.

43. The system of claim 41 further comprising on-apparatus electronic means for receiving information from the control means based on an algorithm to determine engine oil quality and transmitting such engine oil quality information back to the control means for use in determining the volume of maintenance oil to be added to the engine oil reservoir by the dispenser during fluid maintenance to maintain engine oil quality.

44. The system of claim 41 further comprising on-apparatus sensors for monitoring engine performance of a particular apparatus since the last engine oil maintenance of the particular apparatus to determine engine oil quality, and means for transmitting information regarding the engine oil quality to the control means for use in determining the amount of maintenance oil to be added to the engine oil reservoir by the dispenser to maintain engine oil quality of the particular apparatus.

45. The system of claim 41 further comprising means for storing information concerning the amount of maintenance oil last added to the engine oil reservoir of a particular apparatus and communicating such information to the control means for use in determining the amount of maintenance oil to be added to the engine oil reservoir of the particular apparatus by the dispenser during the next fluid maintenance to maintain engine oil quality.

46. The system of claim 41 further comprising an overflow tube in which any excess used engine oil in the engine oil reservoir is pumped into the off-apparatus used engine oil reservoir.

47. The system of claim 46 wherein the apparatus includes a backflushable oil filter assembly, and means for causing any excess used engine oil that is pumped out of the engine oil reservoir to flow back through the oil filter assembly prior to being pumped into the off-apparatus used engine oil reservoir.

48. The system of claim 47 wherein the overflow tube is positioned a predetermined distance above a manufacturer'"'"'s recommended engine oil level in the engine oil reservoir equivalent to the volume of maintenance oil needed to refill the filter assembly at the end of the oil maintenance operation.

49. The system of claim 38 further comprising communication means for sending a report to a remote location detailing the action taken during fluid maintenance.

50. The system of claim 38 wherein the non-fuel fluid is a coolant, further comprising an on-apparatus coolant overflow reservoir and an off-apparatus reservoir containing a fresh supply of coolant, the dispenser being operated by the control means during fluid maintenance to cause coolant to flow from the off-apparatus reservoir to the on-apparatus coolant overflow reservoir if the coolant in the on-apparatus coolant overflow reservoir is below a predetermined level.

51. The system of claim 50 further comprising an apparatus port having an inlet in fluid communication with the apparatus coolant overflow reservoir, and a hose in fluid communication with the dispenser that is connectable to the apparatus port, the dispenser being operated by the control means to cause coolant to flow from the off-apparatus coolant reservoir through the hose to the apparatus port and coolant inlet to the coolant overflow reservoir during fluid maintenance.

52. The system of claim 51 further comprising a one-way valve assembly in fluid communication with the coolant inlet that only allows coolant flow through the coolant inlet into the coolant overflow reservoir.

53. The system of claim 38 wherein the sub-system is a grease distribution sub-system for distributing grease supplied to an apparatus port to a plurality of on-apparatus components requiring lubrication, and the system includes an off-apparatus grease supply, the dispenser being operable by the control means to cause a predetermined amount of grease to flow from the off-apparatus grease supply to the on-apparatus port for distribution by the grease distribution sub-system to the apparatus components as determined by the grease requirements of the individual apparatus components.

54. The system of claim 53 wherein the grease distribution sub-system is in fluid communication with the apparatus port, and the dispenser has a hose connectable to the apparatus port, the dispenser being operated by the control means to cause grease to flow from the off-apparatus grease supply through the hose to the apparatus port and into the grease distribution sub-system for distribution to the apparatus components.

55. The system of claim 54 further comprising communication means between the apparatus and control means for communicating the grease requirements of the apparatus components.

56. The system of claim 54 further comprising means for measuring the pressure of the grease being supplied to the grease distribution sub-system by the dispenser, and if the pressure is higher or lower than expected, giving a warning of a possible blockage of any of the apparatus components or a possible break in any grease lines in the system.

57. The system of claim 38 wherein the non-fuel fluid is a windshield cleaning fluid, further comprising an on-apparatus windshield cleaning fluid reservoir, and an off-apparatus reservoir containing a supply of windshield cleaning fluid, the dispenser being operable by the control means during fluid maintenance to cause windshield cleaning fluid to flow from the off-apparatus windshield cleaning fluid reservoir to the on-apparatus windshield cleaning reservoir if the windshield cleaning fluid in the on-apparatus windshield cleaning fluid reservoir is below a predetermined level.

58. The system of claim 57 wherein the on-apparatus windshield cleaning fluid reservoir is in fluid communication with an apparatus port, and the dispenser includes a hose that is connectable to the apparatus port during fluid maintenance, the dispenser being operable to cause windshield cleaning fluid to flow from the off-apparatus windshield cleaning fluid reservoir through the hose to the apparatus port and into the on-apparatus windshield cleaning fluid reservoir during fluid maintenance.