Measuring and testing – Simulating operating condition – Marine
Reexamination Certificate
2006-01-31
2006-01-31
McCall, Eric S. (Department: 2855)
Measuring and testing
Simulating operating condition
Marine
C073S049700, C073S114220
Reexamination Certificate
active
06990855
ABSTRACT:
A system for estimating a quantity of parasitic leakage of a fluid from a fluid collection unit includes a pressure sensor and a control circuit. The pressure sensor is coupled to the fluid collection unit and configured to produce a pressure value indicative of the pressure of the fluid collection unit. The control circuit is operable to determine a change in pressure value of the fluid collection unit and estimate the quantity of parasitic leakage based on the change in pressure value. The control circuit may also be operable to determine a bulk modulus value of the fluid and estimate the quantity of parasitic leakage based on the change in pressure value and the bulk modulus value.
REFERENCES:
patent: 5773716 (1998-06-01), Antonioli et al.
patent: 6557530 (2003-05-01), Benson et al.
patent: 6823834 (2004-11-01), Benson et al.
Benson Donald J.
Carey David M.
Carroll, III John T.
Tarr Yul J.
Tuken Taner
Barnes & Thornburg LLP
Cummins Inc.
McCall Eric S.
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