Inductor devices – Coils of special configuration – Planar type
Reexamination Certificate
2005-05-03
2005-05-03
Nguyen, Tuyen T. (Department: 2832)
Inductor devices
Coils of special configuration
Planar type
C029S602100, C029S605000
Reexamination Certificate
active
06888439
ABSTRACT:
An electrical conductor winding (70) comprises a plurality of laminates of electrical insulation (72). Each laminate of electrical insulation (72) has a slot (78) on one surface (76). Each laminate of electrical insulation (70) has an electrical conductor (82) arranged in the slot (78). An electrical connector (84) connects the electrical conductor (82) in one laminate of electrical insulation (78) with the electrical conductor (82) in an adjacent laminate of electrical insulation (72). The laminates of electrical insulation (72) are arranged such that the surface (74) of one laminate of electrical insulation (72) abuts and is bonded to the surface (76) of an adjacent laminate of electrical insulation (12). The laminates of electrical insulation (12) comprise a glass-ceramic material. The electrical conductor windings allow active magnetic bearings, electric motors and electric generators to be used at temperatures up to 500° C. for example in gas turbine engines.
REFERENCES:
patent: 4641118 (1987-02-01), Hirose et al.
patent: 20020036561 (2002-03-01), Jedlitschka
patent: 56-098805 (1981-08-01), None
Cullen John J A
Holland Diane
Razzell Anthony G.
Manelli Denison & Selter PLLC
Nguyen Tuyen T.
Rolls-Royce plc
Taltavull W. Warren
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