Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Lubricant testing
Reexamination Certificate
2007-10-02
2007-10-02
Cygan, Michael (Department: 2855)
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Lubricant testing
C073S053050, C073S010000
Reexamination Certificate
active
11376807
ABSTRACT:
The quantitative determination of two contaminants of a fluid is carried out in the following steps: detection of permittivity ε and viscosity v of the fluid; determination of the quantity of the first contaminant11eon the basis of a difference between detected permittivity Δε and a first preset value10e; estimation of viscosity12non the basis of the quantity of the first contaminant11e; and determination of the quantity of the second contaminant on the basis of a difference between detected viscosity v and estimated viscosity12n.
REFERENCES:
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patent: 5750887 (1998-05-01), Schricker
patent: 5754055 (1998-05-01), McAdoo et al.
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patent: 6286363 (2001-09-01), Discenzo
patent: 6644095 (2003-11-01), Van Mullekom et al.
patent: 6895807 (2005-05-01), Han et al.
patent: 2006/0118170 (2006-06-01), Dykstra
Niemann Markus
Scherer Monika
Cygan Michael
Kenyon & Kenyon LLP
Robert & Bosch GmbH
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