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Title: Method and apparatus for monitoring armature position in direct-current solenoids

Abstract

A method for determining the position of an armature of a dc-powered solenoid. Electrical circuitry is provided to introduce a small alternating current flow through the coil. As a result, the impedance and resistance of the solenoid coil can be measured to provide information indicative of the armature's position.

Inventors:
 [1];  [2]
  1. Oak Ridge, TN
  2. Knoxville, TN
Issue Date:
Research Org.:
LOCKHEED MARTIN ENRGY SYST INC
OSTI Identifier:
870734
Patent Number(s):
5583434
Application Number:
08/093,846
Assignee:
Martin Marietta Energy Systems, Inc. (Oak Ridge, TN)
DOE Contract Number:  
AC05-84OR21400
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
method; apparatus; monitoring; armature; position; direct-current; solenoids; determining; dc-powered; solenoid; electrical; circuitry; provided; introduce; alternating; current; flow; coil; result; impedance; resistance; measured; provide; information; indicative; electrical circuitry; alternating current; current flow; electrical circuit; provide information; solenoid coil; /324/137/

Citation Formats

Moyers, John C, and Haynes, Howard D. Method and apparatus for monitoring armature position in direct-current solenoids. United States: N. p., 1996. Web.
Moyers, John C, & Haynes, Howard D. Method and apparatus for monitoring armature position in direct-current solenoids. United States.
Moyers, John C, and Haynes, Howard D. Tue . "Method and apparatus for monitoring armature position in direct-current solenoids". United States. https://www.osti.gov/servlets/purl/870734.
@article{osti_870734,
title = {Method and apparatus for monitoring armature position in direct-current solenoids},
author = {Moyers, John C and Haynes, Howard D},
abstractNote = {A method for determining the position of an armature of a dc-powered solenoid. Electrical circuitry is provided to introduce a small alternating current flow through the coil. As a result, the impedance and resistance of the solenoid coil can be measured to provide information indicative of the armature's position.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1996},
month = {12}
}

Patent:

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