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

Moyers, John C; Haynes, Howard D

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

Full Record
Other Related Research

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:

Moyers, John C ^[1]; Haynes, Howard D ^[2]

Oak Ridge, TN
Knoxville, TN

Issue Date:: 1996-12-10

Research Org.:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

OSTI Identifier:: 870734

Patent Number(s):: 5583434

Application Number:: 08/093,846

Assignee:: Martin Marietta Energy Systems, Inc. (Oak Ridge, TN)

Patent Classifications (CPCs):: F - MECHANICAL ENGINEERING F16 - ENGINEERING ELEMENTS AND UNITS F16K - VALVES

G - PHYSICS G01 - MEASURING G01R - MEASURING ELECTRIC VARIABLES

Show more

F - MECHANICAL ENGINEERING F16 - ENGINEERING ELEMENTS AND UNITS F16K - VALVES
F16K31/06 - using a magnet {, e.g. diaphragm valves, cutting off by means of a liquid}
F16K37/0041 - {for measuring valve parameters

G - PHYSICS G01 - MEASURING G01R - MEASURING ELECTRIC VARIABLES
G01R31/2829 - {Testing of circuits in sensor or actuator systems
G01R31/72 - Testing of electric windings

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01F - MAGNETS
H01F2007/185 - {with armature position measurement}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T137/8242 - Electrical

Show less

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.

Copy to clipboard


                    Moyers, John C, & Haynes, Howard D. Method and apparatus for monitoring armature position in direct-current solenoids.  United States.

Copy to clipboard


                    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.

Copy to clipboard


                    
@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}

}

Copy to clipboard

Patent:

Save / Share:

Export Metadata

Save to My Library

Similar Records in DOE Patents and OSTI.GOV collections:

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

Patent Moyers, J C; Haynes, H D

A method for determining the position of an armature of a dc-powered solenoid is disclosed. 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. 5 figs.
Motor monitoring method and apparatus using high frequency current components

Patent Casada, Donald A [Knoxville, TN]

A motor current analysis method and apparatus for monitoring electrical-motor-driven devices. The method and apparatus utilize high frequency portions of the motor current spectra to evaluate the condition of the electric motor and the device driven by the electric motor. The motor current signal produced as a result of an electric motor is monitored and the low frequency components of the signal are removed by a high-pass filter. The signal is then analyzed to determine the condition of the electrical motor and the driven device.
Full Text Available
Eddy current position indicating apparatus for measuring displacements of core components of a liquid metal nuclear reactor

Patent Day, Clifford K [Richland, WA]; Stringer, James L [Richland, WA]

Apparatus for measuring displacements of core components of a liquid metal fast breeder reactor by means of an eddy current probe. The active portion of the probe is located within a dry thimble which is supported on a stationary portion of the reactor core support structure. Split rings of metal, having a resistivity significantly different than sodium, are fixedly mounted on the core component to be monitored. The split rings are slidably positioned around, concentric with the probe and symmetrically situated along the axis of the probe so that motion of the ring along the axis of the probe producesmore » « less
Full Text Available
Armature segment, armature and methods for assembling them

Patent Cross, Andrew Thomas; Torrey, David; Schweitzer, Michel; ...

The present disclosure relates to armature segments for an armature for an electrical machine. An armature segment may comprise a plurality of coils and an electrically insulating supporting structure providing structural support to the plurality of coils. An armature may comprise a plurality of armature segments. The present disclosure further relates to methods for assembling such armature segments and armature.
Full Text Available
Method and apparatus for animal positioning in imaging systems

Patent Hadjioannou, Arion-Xenofon; Stout, David B.; Silverman, Robert W.

An apparatus for imaging an animal includes a first mounting surface, a bed sized to support the animal and releasably secured to or integral with the first mounting surface. The apparatus also includes a plurality of straps, each having a first end in a fixed position relative to the bed and a second end for tightening around a limb of the animal. A method for in-vivo imaging of an animal includes providing an animal that has limbs, providing a first mounting surface, and providing a bed removably secured to or integral with the mounting surface and sized to support themore » « less
Full Text Available

Similar Records