System and method for diagnosing a variable oil pump
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United States of America Patent
Stats
-
Feb 23, 2021
Grant Date -
Aug 8, 2019
app pub date -
Feb 6, 2018
filing date -
Feb 6, 2018
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods and systems are provided for diagnosing variable oil pump degradation. In one example, a method may include cranking an engine with a motor and monitoring the motor current draw from a battery during cranking. The method may indicate degradation of a variable oil pump coupled to the engine by comparing the motor current draw with a baseline current level.
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International Classification(s)
- 2018 Application Filing Year
- F01M Class
- 344 Applications Filed
- 261 Patents Issued To-Date
- 75.88 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F01M Class
- 0 % this patent is cited more than
- 4 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Aug 23, 2028 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 23, 2032 |
