Digital valve controllers and seal washer assemblies for use with digital valve controllers
AssigneeFisher Controls International LLC
InventorRonald F. Hurd
Life of this patent
Estimating the term…
Abstract
Digital valve controllers and seal washer assemblies for use with digital valve controllers include a seal washer assembly. The seal washer assembly includes a body. The body has a bore. The seal washer assembly includes a flange. The flange is coupled to the body and includes a passage, a face-seal groove, and an exterior-seal groove. The seal washer assembly includes a face seal. The face seal is disposed within the face-seal groove. The seal washer assembly includes an exterior seal. The exterior seal is disposed within the exterior-seal groove.
Claims22
1-22. (canceled)
A digital valve controller, comprising:
- a main housing having an opening;
- a terminal box having a bore, the bore of the terminal box being aligned with the opening of the main housing;
- a seal washer assembly disposed within the bore, the seal washer assembly comprising:
- a seal washer having a bore;
- a pair of inserts disposed within the bore of the seal washer and each comprising a first portion, a second portion, and a groove, a first groove from a first of the pair of inserts and a second groove from a second of the pair of inserts cooperating to form a passage extending between the first portion of the inserts and the second portion of the inserts;
- and
- an electrical coupling extending through the passage formed by the grooves of the inserts.
A seal washer assembly, comprising:
- a seal washer, the seal washer comprising a bore;
- and
- a first insert and a second insert disposed within the bore of the seal washer, each of the first and second inserts having a groove, a first portion, and a second portion, the groove of the first insert cooperating with the groove of the second insert to form a passage extending between the first portion of the inserts and the second portion of the inserts.
43-63. (canceled)
Dependencies are inferred from the claim text.