Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Reexamination Certificate
2006-07-18
2006-07-18
Barrera, Ramon M. (Department: 2832)
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Magnet structure or material
C336S226000, C336S232000, C072S056000
Reexamination Certificate
active
07078993
ABSTRACT:
An electromagnet assembly for supplying a region of concentrated electromagnetic flux is provided. The assembly includes a flat strip of an electrically conductive metal. The strip has a first and a second opposite planar surfaces at least one of which is covered by a dielectric material. The strip has first and second end portions. The strip is wound in a coil including at least one first loop and one second loop and disposing the second opposite planar surface in the first loop substantially-adjacent the first opposite planar surface in the second loop. The coil is disposed about an axis of symmetry configured to concentrate electromagnetic flux at a midpoint on the axis of symmetry. First and second electrical terminals are connected at the first and second end portions, respectively.
REFERENCES:
patent: 4061007 (1977-12-01), Hansen et al.
patent: 4116031 (1978-09-01), Hansen et al.
patent: 4127933 (1978-12-01), Hansen et al.
Berg Frederic P.
Smith David B.
Barrera Ramon M.
Lee & Hayes PLLC
The Boeing Company
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