Engine oil change indicator system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 27, 2001
Grant Date -
N/A
app pub date -
Aug 2, 1999
filing date -
Aug 2, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a preferred embodiment, an engine oil change indicator system, including: a combination engine oil pressure sensor and engine oil temperature sensor connected to a port on the engine to which port is normally connected an oil pressure switch; and a microprocessor connected to receive inputs from the combination engine oil pressure sensor and engine oil temperature sensor and to cause a low engine oil pressure warning light to be illuminated when the microprocessor has calculated from the inputs that the engine oil should be changed.
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