Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Distributive type parameters
Reexamination Certificate
2005-02-08
2005-02-08
Deb, Anjan K. (Department: 2858)
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Distributive type parameters
C324S644000, C324S697000
Reexamination Certificate
active
06853199
ABSTRACT:
A separating drum1is provided with a device for determining the position, the composition and the nature of several layers of fluid settling upstream from barrier8. The device comprises a first rod12provided with microwave beam emitters13, a second rod14provided with microwave beam receivers15, a microwave source16that can be connected to emitters13, and means17for recording and analyzing the microwave beams received by receivers15.
REFERENCES:
patent: 4947127 (1990-08-01), Helms et al.
patent: 5101163 (1992-03-01), Agar
patent: 5150061 (1992-09-01), Castel et al.
patent: 5793216 (1998-08-01), Constant
patent: 6332087 (2001-12-01), Svenson et al.
patent: 6480141 (2002-11-01), Toth et al.
Constant Michel
Noïk Christine
Antonelli Terry Stout & Kraus LLP
Deb Anjan K.
Institut Francais du Pe'trole
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