Apparatus, device and computer implemented method for determining remaining life of engine oil in engine

Patent metadata

Field	Value
Publication number	US-11339693-B2
Application number	US-201817256365-A
Country	US
Kind code	B2
Filing date	Jul 11, 2018
Priority date	Jul 11, 2018
Publication date	May 24, 2022
Grant date	May 24, 2022

Abstract

A computer implemented method system and apparatus for determining remaining life of engine oil in an engine includes generating reference engine profile data by determining reference engine parameters of a reference engine; determining reference engine oil lubrication data based on mechanical testing of an oil sample from the reference engine; generating a reference model by associating the reference engine profile data with the reference engine oil lubrication data; receiving the reference model at an engine apparatus; measuring engine parameters relating to operation conditions of an engine of the engine apparatus; and determining remaining life of engine oil in the engine of the engine apparatus using the reference model and the engine parameters.

First claim

The invention claimed is:

1. A computer implemented method for determining remaining life of engine oil in an engine, the method comprising:
determining reference engine parameters of a reference engine;
generating reference engine profile data based on the reference engine parameters;
determining reference engine oil lubrication data based on mechanical testing of an oil sample from the reference engine, wherein the mechanical testing of the oil sample comprises tribological lubricity test of the oil sample and the tribological lubricity test is configured to be evaluated based on friction test rig results;
generating a reference model by associating the reference engine profile data with the reference engine oil lubrication data;
receiving the reference model at an engine apparatus;
measuring engine parameters of an engine of the engine apparatus; and
determining remaining life of engine oil in the engine of the engine apparatus using the reference model and the engine parameters.

2. The method of claim 1 , further comprising:
receiving selection information for a plurality of reference engines; and
generating the reference engine profile data by determining reference engine parameters of the plurality of reference engines based on the selection information.

3. The method of claim 1 , further comprising:
determining the reference engine parameters based on sensor data received from at least one reference engine.

4. The method of claim 3 , wherein the reference engine parameters relate to different operational conditions of the reference engine.

5. The method of claim 3 , wherein the reference engine parameters relate to operational and environmental measurement data of the reference engine.

6. The method of claim 5 , wherein the operational measurement data comprises at least one of the following:
number of engine starts;
operating hours since last oil change;
load cycles of the engine;
miles traveled with the engine;
amount of fuel used by the engine; and
sensor data of the engine.

7. The method of claim 2 , further comprising:
determining the reference engine oil lubrication data based on mechanical testing of oil samples from the plurality of reference engines based on the selection information.

8. The method of claim 1 , further comprising:
determining the reference engine oil lubrication data based on the tribological lubricity test of the oil sample, wherein the reference engine oil lubrication data comprises Stribeck type of friction data.

9. The method of claim 1 , further comprising:
maintaining reference model data of the reference model at a server apparatus; and
dynamically updating the reference model data in response to receiving reference engine profile data or reference engine oil lubrication data.

10. The method of claim 9 , further comprising:
transmitting engine apparatus identification information to the server apparatus;
generating the reference model by associating reference engine profile data with reference engine oil lubrication data based on the engine apparatus identification information; and
receiving the generated reference model at an engine apparatus.

11. The method of claim 1 , wherein the engine parameters relate to operational or environmental measurement data of the engine.

12. The method of claim 1 , further comprising:
associating the reference engine profile data with the reference engine oil lubrication data by combining to generate a function of the reference model.

13. The method of claim 12 , further comprising:
determining remaining life of the engine oil using the function of the reference model.

14. The method of claim 12 , further comprising:
determining current performance characteristics of the engine oil using the function of the reference model.

15. The method of claim 12 , further comprising:
determining predicted future performance characteristics of the engine oil using the function of the reference model.

16. The method of claim 1 , wherein the reference model is received and the remaining life of engine oil in the engine of the engine apparatus is determined at the engine apparatus.

17. An engine apparatus, comprising:
an engine;
a communication interface;
at least one processor; and
at least one memory including computer program code;
the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to:
receive a reference model, the reference model being configured to be generated by associating reference engine profile data with reference engine oil lubrication properties, wherein the reference engine profile data is configured to be generated by determining reference engine parameters relating to a different operation conditions of the reference engine, and the reference engine oil lubrication properties are configured to be determined for the different operation conditions based on mechanical testing of an oil sample from the reference engine, wherein the mechanical testing of the oil sample comprises tribological lubricity test of the oil sample and the tribological lubricity test is configured to be evaluated based on friction test rig results;
measure engine parameters relating to operation conditions of the engine of the engine apparatus; and
determine remaining life of engine oil in the engine of the engine apparatus using the reference model and the engine parameters.

18. The engine apparatus of claim 17 , wherein the reference engine oil lubrication data comprises Stribeck type of friction data.

19. A server apparatus comprising:
a communication interface;
at least one processor; and
at least one memory including computer program code;
the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to:
generate a reference model by associating the reference engine profile data with the reference engine oil lubrication data, wherein the reference engine profile data is generated by determining reference engine parameters of a reference engine and the reference engine oil lubrication data is determined based on mechanical testing of an oil sample from the reference engine, wherein the mechanical testing of the oil sample comprises tribological lubricity test of the oil sample and the tribological lubricity test is configured to be evaluated based on friction test rig results; and
transmit the reference model to an engine apparatus for measuring engine parameters relating to operation conditions of an engine of the engine apparatus, and for determining remaining life of engine oil in the engine of the engine apparatus using the reference model and the engine parameters.

20. The server apparatus of claim 19 , wherein the reference engine oil lubrication data comprises Stribeck type of friction data.

Assignees

• Waertsilae Finland Oy

Inventors

• Söchting Sven
• Söchting Ilona

Classifications

• F01M11/10 Primary

  Indicating devices; Other safety devices · CPC title

• F01M2011/142

  by considering speed, e.g. revolutions per minute [RPM] · CPC title

• F01M2011/148

  by considering viscosity · CPC title

• F16N29/04

  enabling a warning to be given; enabling moving parts to be stopped · CPC title

• F16N2250/36

  Viscosity · CPC title