System and method for determining oil quality
First Claim
Patent Images
1. A method for determining an oil quality comprising:
- measuring a temperature in an oil supply;
measuring a pressure in said oil supply; and
determining said oil quality in response to said measuring temperature step and said measuring pressure step.
1 Assignment
0 Petitions
Accused Products
Abstract
The oil quality used in a machine, vehicle or system can be determined in response to determining a temperature and pressure within an oil supply. Once the oil quality is determined, an oil quality warning light can be activated, indicating the need to change the oil.
-
Citations
25 Claims
-
1. A method for determining an oil quality comprising:
-
measuring a temperature in an oil supply;
measuring a pressure in said oil supply; and
determining said oil quality in response to said measuring temperature step and said measuring pressure step. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A system for determining an oil quality comprising:
-
a temperature sensor;
a pressure sensor;
a electronic control module connected to said temperature sensor and said pressure sensor;
wherein said electronic control unit receives a temperature signal from said temperature sensor and a pressure signal from said pressure sensor and determines said oil quality in response to said temperature signal and said pressure signal. - View Dependent Claims (13, 14, 15, 16, 17)
-
-
18. A method of determining an oil quality of a oil supply comprising:
-
determining an oil grade of said oil supply;
measuring a temperature of said oil supply;
measuring a first pressure of said oil supply;
measuring a duration of an event drawing oil from said oil supply;
measuring a second pressure of said oil supply;
estimating a pressure drop of said oil supply;
determining an actual pressure drop of said oil supply in response to measuring said first pressure and measuring said second pressure;
comparing said actual pressure drop to said estimated pressure drop;
determining said oil quality in response to said comparing step. - View Dependent Claims (19, 20, 21, 22, 23, 24)
-
-
25. A method for determining a oil quality comprising:
-
determining a pressure drop in an oil supply;
determining a temperature in said oil supply; and
determining said oil quality in response to said determining steps.
-
Specification