Electricity: measuring and testing – Testing potential in specific environment – Voltage probe
Reexamination Certificate
2007-06-12
2007-06-12
Deb, Anjan (Department: 2858)
Electricity: measuring and testing
Testing potential in specific environment
Voltage probe
C324S530000
Reexamination Certificate
active
11304827
ABSTRACT:
A molded voltage sensor is provided that achieves excellent sensing accuracy over a wide temperature range by molding promary and secondary capacitances are of a voltage divider into a solid dielectric material and wherein th e capacitances are preferably fabricated from the same material, or at least materials having nearly identical temperature coefficients of permittivity. In a preferred arrangement, a first member of dielectric material includes a conductive pattern of the outer surface thereof and an electrical connection attached to the conductive pattern. The first memberis the molded into a prerdetermined location with respect to a central conductor and a layer of the dielectric molding material is also molded over the exterior of the first member. Another conductive pattern is formed on the over-molded layer. The overall assembly is then molded to form a body of the sesired shape and provides insulation between the conductor and the conductive patterns.
REFERENCES:
patent: 4052665 (1977-10-01), Gruenwald
patent: 5172051 (1992-12-01), Zamborelli
patent: 5293113 (1994-03-01), Beha et al.
patent: 5512838 (1996-04-01), Roach
patent: 5949230 (1999-09-01), Kobayashi et al.
patent: 6737871 (2004-05-01), Schneider et al.
Barker, Jr. James W.
Mulligan Timothy J.
Deb Anjan
Lapacek James V.
S&C Electric Co.
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