Measuring and testing – Internal combustion engine or related engine system or... – Compression
Reexamination Certificate
2007-01-30
2007-01-30
McCall, Eric S. (Department: 2855)
Measuring and testing
Internal combustion engine or related engine system or...
Compression
C073S117020
Reexamination Certificate
active
10696831
ABSTRACT:
A fluid pressure near a filter (103) is measured and compared (307) to a predetermined value that is based on one or more engine operating parameters. When the measured fluid pressure deviates enough from the predetermined value by an established amount, an indication of the deviation may be provided to notify of a potential problem with the filter (103), such as obstruction, restriction, or some form of clogging.
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Beaucaire James T.
Dickerson Steven J.
Majewski Michael A.
Calfa Jeffrey P.
International Engine Intellectual Property Company LLC
Lukasik Susan L.
McCall Eric S.
Soupos Elias P.
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