Motor load based fluid filter service interval
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 18, 2023
Grant Date -
N/A
app pub date -
Apr 29, 2022
filing date -
Apr 29, 2022
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An arrangement and method for determining the service interval of a fluid filter includes a filter and a pump driven by an electric motor. A control module calculates pressure drop across the filter by way of voltage, current, and/or PWM provided to the electric motor. The control module monitors the rate of change of the pressure drop across the filter over the life of the filter. The volume flow rate of the fluid may or may not be held constant. If an abrupt or sudden characteristic change in the pressure drop across the filter occurs, or if the pressure drop across the filter exceeds a threshold amount, the arrangement and method provides a notification that either the filter needs to be replaced or serviced, or that it is probable that a mechanical condition has developed, depending upon the characteristics of the change in pressure drop across the filter.
First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
INTERNATIONAL ENGINE INTELLECTUAL PROPERTY COMPANY LLC | LISLE ILLINOIS 60532 |
International Classification(s)

- 2022 Application Filing Year
- F01M Class
- 151 Applications Filed
- 83 Patents Issued To-Date
- 54.97 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Lyons, Timothy M | Batavia, US | 16 | 72 |
# of filed Patents : 16 Total Citations : 72 |
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- 0 Citation Count
- F01M Class
- 0 % this patent is cited more than
- 2 Age
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