Internal-combustion engines – Lubricators – Crankcase – pressure control
Patent
1995-06-07
1997-11-18
Solis, Erick R.
Internal-combustion engines
Lubricators
Crankcase, pressure control
3404503, 73293, F01M 1110
Patent
active
056876874
ABSTRACT:
A fluid level sensor system for a vehicle oil pan includes a fluid level sensor assembled to the oil pan which has a first LED/phototransistor sensor electrically arranged and responsive to a low oil level in the oil pan for generating a low level voltage signal. The fluid level sensor also includes a second LED/phototransistor sensor which is electrically arranged and responsive to a high oil level in the oil pan for generating a high level voltage signal. The low level voltage signal and the high level voltage signal from the fluid level sensor are electrically connected to an electronic control module (ECM) which receives and processes the two signals and activates a warning lamp with a flashing illumination to identify a low oil level condition and a constantly on illumination to identify a high oil level condition. The operation of the ECM is controlled by a flow logic algorithm.
REFERENCES:
patent: 4306525 (1981-12-01), Faxvog
patent: 4522167 (1985-06-01), Hurner
patent: 4632080 (1986-12-01), Hurner
patent: 4694793 (1987-09-01), Kawakita et al.
patent: 4859987 (1989-08-01), Markus
patent: 4887068 (1989-12-01), Umehara
patent: 5046583 (1991-09-01), Sasaki et al.
patent: 5053745 (1991-10-01), Sasaki et al.
patent: 5103648 (1992-04-01), Barbier
patent: 5257539 (1993-11-01), Gale et al.
patent: 5298881 (1994-03-01), Bowman
Duffer Bradly G.
Till Mary L.
Trueblood Jimmie J.
Zopff Lynn S.
Cummins Engine Company, Inc.
Solis Erick R.
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