Self-locating coil assembly

This invention relates in general to a coil assembly and more particularly to a coil assembly that fits snuggly about a valve cartridge armature and that encounters minimal axial translation due to manufacturing tolerances. A coil assembly comprises a coil wound upon a bobbin. A pair of terminals is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Lewin, Douglas, Rea, Paolo, Collins, David E
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:This invention relates in general to a coil assembly and more particularly to a coil assembly that fits snuggly about a valve cartridge armature and that encounters minimal axial translation due to manufacturing tolerances. A coil assembly comprises a coil wound upon a bobbin. A pair of terminals is supported by the bobbin. The coil has a pair of lead wires, each of which is connected to one of the terminals. Each terminal is adapted to be coupled to an electronic control unit. The coil is enclosed at least in part by a flux return casing. At least one resilient member is arranged and configured to urge the bobbin and the casing axially downward.