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Solenoid with supervision switch

  • US 9,890,873 B2
  • Filed: 05/11/2016
  • Issued: 02/13/2018
  • Est. Priority Date: 05/11/2016
  • Status: Active Grant
First Claim
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1. A solenoid valve, comprising:

  • a solenoid portion having a housing, the housing having a first bore and a second bore with the first bore adapted to receive a first end of an armature assembly and the first bore being surrounded by a magnetic coil;

    a valve body, the valve body being adapted to receive a second end of the armature assembly;

    a detection device located in the second bore; and

    a detection plate interposed between the solenoid portion and the valve body, wherein the detection device interacts with the detection plate to produce a signal indicating whether the solenoid portion is installed on the valve body; and

    wherein valve body further comprises an inwardly extending circumferential ridge, wherein the second end of the armature assembly further comprises an outwardly extending circumferential step, and wherein a proper depth of the amateur assembly into the valve body is determined based on contact between the ridge and the step.

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