Inductor devices – Coil or coil turn supports or spacers – Coil on a preformed support or mount
Reexamination Certificate
2005-06-07
2005-06-07
Mai, Anh (Department: 2832)
Inductor devices
Coil or coil turn supports or spacers
Coil on a preformed support or mount
C336S198000, C336S210000, C029S602100
Reexamination Certificate
active
06903647
ABSTRACT:
A coil assembly for a solenoid valve includes a bobbin formed from an electrically insulative material. A bore extends axially through the bobbin. A first flux ring having a sleeve extending axially from an annular base is mounted upon a first end of the bobbin with the sleeve extending into the bobbin bore. Similarly, a second flux ring also having a sleeve extending from an annular base is mounted upon a second end of the bobbin that is opposite from the first flux ring with its sleeve extending into the bobbin bore. The flux rings are formed from a magnetically permeable material that has a high heat conductivity. Magnet wire is wound upon the assembled bobbin and flux rings to form the coil assembly.
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Anderson Robert A.
Krawczyk Gregory J.
Linkner, Jr. Herbert L.
Kelsey-Hayes Company
MacMillan Sobanski & Todd LLC
Mai Anh
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