Internal-combustion engines – Lubricators – Crankcase – pressure control
Patent
1986-11-12
1987-09-22
Cross, E. Rollins
Internal-combustion engines
Lubricators
Crankcase, pressure control
123198D, 184108, F01M 100
Patent
active
046947930
ABSTRACT:
In order to obviate the need to manually input data relating to the grade of oil used to lubricate an engine, a monitoring system includes a sensor which senses the grade of oil along with sensors which enable the oil change procedure per se to be detected. After each oil change the output of the oil grade sensor is read and the appropriate values which determine the limits to which the oil may be permitted to degradate are automatically determined.
REFERENCES:
patent: 4019072 (1977-04-01), Mifune et al.
patent: 4306525 (1981-12-01), Faxvog
Imajo Minoru
Kawakita Tsunehiro
Cross E. Rollins
Nissan Motor Co,. Ltd.
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