Fluid monitoring and management devices, fluid monitoring and management systems, and fluid monitoring and management methods

• US 10,466,152 B2
• Filed: 10/07/2015
• Issued: 11/05/2019
• Est. Priority Date: 10/07/2015
• Status: Active Grant

• Current Assignee: Logilube, LLC
• Original Assignee: Logilube, LLC
• Inventors: Gillette, II, William J., Ogden, Charles E., Muralidhara, Harish
• Primary Examiner(s): Roberts, Herbert K
• Application Number:
  US14/877,896
• Publication Number:
  US 20170102308A1
• Time in Patent Office: 1,490 Days
• CPC Class Codes: F01M 11/04 Filling or draining lubricant of or from machines or engines
• CPC Class Codes: F01M 11/0458 Lubricant filling and draining
• CPC Class Codes: F01M 11/10 Indicating devices; Other safety devices
• CPC Class Codes: F16N 2250/08 Temperature
• CPC Class Codes: F16N 2250/36 Viscosity
• CPC Class Codes: G01N 1/2035 by deviating part of a fluid stream, e.g. by drawing-off or tapping
• CPC Class Codes: G01N 11/00 Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
• CPC Class Codes: G01N 11/08 by measuring pressure required to produce a known flow
• CPC Class Codes: G01N 2001/2071 Removable sample bottle
• CPC Class Codes: G01N 2011/0006 Calibrating, controlling or cleaning viscometers
• CPC Class Codes: G01N 2011/0013 Temperature compensation
• CPC Class Codes: G01N 33/2888 Lubricating oil characteristics, e.g. deterioration lubricating properties G01N33/30

Abstract

A fluid monitoring and management device that includes a housing with a fluid passageway. The fluid monitoring and management device further includes a fluid property sensor with a sensing element in the fluid passageway. A valve is in the fluid passageway of the fluid monitoring and management device. A removable bottle mount is aligned with the valve to be selectively in fluid communication with the fluid passageway.

Claims

1. A fluid monitoring and management method comprising:

measuring temperature of a fluid in a fluid system having a sensor and obtaining a first temperature value;

measuring viscosity of the fluid and obtaining a first viscosity value;

calculating a first temperature-corrected viscosity value utilizing the first viscosity value and the first temperature value;

determining if the first temperature-corrected viscosity value is outside a preselected range of threshold values;

if the determining is yes, automatically collecting a sample of the fluid by extracting the fluid in to one of a plurality of bottles in a housing while simultaneously performing the following steps;

i) measuring a second temperature of the fluid;

ii) measuring a second viscosity of the fluid;

iii) calculating a second temperature-corrected viscosity value of the fluid;

iv) storing data comprising the second temperature, the second viscosity value, and the second temperature-corrected viscosity value;

v) creating a sample bottle identification code which associates the data with the one of the plurality of bottles;

vi) automatically stamping the one of the plurality of bottles with a timestamp and the sample bottle identification code; and

vii) generating an alert notification.

2. The method of claim 1 further comprising determining a departure of the viscosity of the fluid from a virgin (baseline) value for viscosity of the fluid based on the first temperature-corrected viscosity value.

3. The method of claim 1 further comprising:

determining a departure of the viscosity of the fluid from a virgin (baseline) value for viscosity of the fluid utilizing the first temperature-corrected viscosity value; and

presenting the departure determination as a percentage difference.

4. The method of claim 3 further comprising comparing the percentage difference to a range of threshold percentage values.

5. The method of claim 1 wherein the fluid comprises oil.

6. The method of claim 1, further comprising:

measuring the viscosity of the fluid and obtaining a third viscosity value, comparing the first and third viscosity values, and during the comparing, removing an influence of fluid temperature.

7. The method of claim 6 wherein the comparing is a first comparing step and comprises obtaining a fourth viscosity value, and further comprising a second comparing step comprising comparing the fourth viscosity value to a viscosity value baseline value.

8. The method of claim 1 further comprising providing a capability to calculate a relative viscosity change of two dissimilar fluids when calculating their relative viscosity changes in terms of a percent departure from a respective baseline value of each fluid.

9. The method of claim 1 further comprising:

evaluating a remaining useful life (RUL) of the fluid by calculating temperature-corrected viscosity values of the fluid over time; and

deriving a time rate of departure from a respective baseline value.

10. The method of claim 1 further comprising:

comparing a performance of a plurality of fluids by determining their temperature-corrected viscosities; and

comparing their respective departures from viscosity baseline values over time.

11. The method of claim 1, wherein the timestamp comprises one of:

Greenwich Mean Time and machine time comprising actual accumulated operational time of the fluid system.

12. The method of claim 1 wherein the one of the bottles comprises a volume of at least four ounces.

13. The method of claim 1, wherein the timestamp comprises one of:

a modified Julian date (MJD) and equipment operating lifetime.

14. The method of claim 1, wherein the alert notification is a text message or email.

15. The method of claim 1 further comprising, before the collecting of the sample, performing a system check to ensure that the one of the plurality of bottles is empty.

16. The method of claim 1 wherein the collecting of the sample comprises operating a solenoid-actuated valve.

17. The method of claim 1 wherein the housing encloses a microprocessor and the sensor.

18. The method of claim 1 wherein the housing encloses a microprocessor, the sensor and a user interface panel.

19. The method of claim 18 wherein the user interface panel comprises a removable flash data storage key.

20. The method of claim 1 wherein the housing encloses a microprocessor, the sensor and a solenoid.

21. The method of claim 1 further comprising providing a fluid passageway through the housing.

22. A fluid monitoring and management method comprising:

measuring temperature of a fluid in a fluid system having a sensor and obtaining a first temperature value;

measuring viscosity of the fluid and obtaining a first viscosity value;

calculating a first temperature-corrected viscosity value utilizing the first viscosity value and the first temperature value;

measuring a first fluid pressure and a first fluid density;

determining if the first temperature-corrected viscosity value and any one of the first fluid pressure, the first temperature value, and the first fluid density are outside a preselected range of threshold values;

if the determining is yes, automatically collecting a sample of the fluid by extracting the fluid in to one of a plurality of bottles in a housing while simultaneously performing the following steps;

i) measuring a second temperature of the fluid;

ii) measuring a second viscosity of the fluid;

iii) calculating a second temperature-corrected viscosity value of the fluid;

iv) measuring a second fluid pressure and a second fluid density;

v) storing data comprising the second temperature, the second viscosity value, the second temperature-corrected viscosity value, the second fluid pressure, and the second fluid density;

vi) creating a sample bottle identification code which associates the data with the one of the plurality of bottles;

vii) automatically stamping the one of the plurality of bottles with a timestamp and the sample bottle identification code; and

viii) generating an alert notification.

23. The method of claim 22, wherein the timestamp comprises one of:

Greenwich Mean Time and machine time comprising actual accumulated operational time of the fluid system.

24. The method of claim 22 wherein the one of the plurality of bottles comprises a volume of at least four ounces.

25. The method of claim 22, wherein the timestamp comprises at least one of a modified Julian date (MJD) and equipment operating lifetime.

26. The method of claim 22, wherein the alert notification is a text message or email.

27. The method of claim 22 further comprising, before the collecting of the sample, performing a system check to ensure that the one of the plurality of bottles is empty.

28. The method of claim 22 wherein the collecting of the sample comprises operating a solenoid-actuated valve.

29. The method of claim 22 wherein the housing encloses a microprocessor and the sensor.

30. The method of claim 22 wherein the housing encloses a microprocessor, the sensor and a user interface panel.

31. The method of claim 30 wherein the user interface panel comprises a removable flash data storage key.

32. The method of claim 22 wherein the housing encloses a microprocessor, the sensor and a solenoid.

33. The method of claim 22 further comprising providing a fluid passageway through the housing.

34. A fluid monitoring and management method comprising:

measuring temperature over a first time period of a fluid in a fluid system having a sensor to obtain a plurality of temperature values;

measuring viscosity of the fluid over the first time period to obtain a plurality of viscosity values which correspond to the plurality of temperature values;

calculating curve fit coefficients of a curve fit equation using the plurality of temperature values and the plurality of viscosity values, wherein the curve fit equation is defined as μ

=(a +bT²)², μ

is the viscosity of the fluid, T is the temperature of the fluid, and a and b are the curve fit coefficients;

measuring temperature of the fluid during a second time period to obtain a second temperature value;

measuring viscosity of the fluid during the second time period to obtain a second viscosity value;

calculating a first temperature-corrected viscosity value utilizing the second temperature value, the second viscosity value, and the curve fit equation;

determining if the first temperature-corrected viscosity value is outside a preselected range of threshold values;

if the determining is yes, automatically collecting a sample of the fluid by extracting the fluid in to one of a plurality of bottles in a housing while simultaneously performing the following steps;

i) measuring a third temperature of the fluid;

ii) measuring a third viscosity of the fluid;

iii) calculating a second temperature-corrected viscosity value of the fluid;

iv) automatically timestamping the one of the plurality of bottles; and

v) generating an alert notification.

35. The method of claim 34, further comprising:

determining a useful condition of the fluid using temperature-corrected viscosity values calculated using the curve fit equation.

36. The method of claim 34 wherein the curve fit equation was developed from nonlinear regression analysis methods.

37. The method of claim 34 wherein the calculating of the first temperature-corrected viscosity value is used to determine one of the following statuses of the fluid:

a present/current status;

a dangerous condition status and a useable life status.

38. The method of claim 34 wherein the sensor acquires data at a time interval ranging from 5 seconds to 60 seconds.

39. The method of claim 38 wherein the time interval is 30 seconds.

40. The method of claim 34 wherein the measuring of the viscosity of the fluid over the first time period or during the second time period comprises acquiring dynamic viscosity data in centipoise (cP) units.

41. The method of claim 40 wherein the sensor acquires the dynamic viscosity data over a range of 0.5 cP to 50 cP.