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Michael Estvander250 Summit St, Wadsworth, OH 44281

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Known as:
Michael T Estvander Mi Cha Estvander Mike T Estvander M T Estvander

Michael Estvander Phones & Addresses

250 Summit St, Wadsworth, OH 44281 (330) 335-8055

620 Flamingo Rd, Venice, FL 34285 (941) 485-1841

Highland Heights, OH

Savannah, GA

9 Lightenstone Ct, Savannah, GA 31411

Work

Position: Administration/Managerial

Mentions for Michael Estvander

Publications & IP owners

Us Patents

Solid Electrolyte Gas Analyzer With Improved Circuit And Housing Configuration

US Patent:
5993623, Nov 30, 1999
Filed:
Sep 24, 1996
Appl. No.:
8/719127
Inventors:
Michael G. O'Neill - Wooster OH
Joel P. Muzzy - Wooster OH
Michael T. Estvander - Wadsworth OH
Assignee:
Rosemount Analytical Inc. - Orrville OH
International Classification:
G01N 27407
US Classification:
204424
Abstract:
A solid electrolyte gas analyzer includes an analyzer circuit housed in an electronics housing and a probe housing for immersion in the gas of interest. The electronics housing mounts directly to the probe housing, preferably through a standoff. The analyzer circuit is powered by an AC line input and includes a switching power supply to convert the AC line input to DC power useable by the analyzer circuit. The analyzer circuit also includes a heater circuit controlling a heater in the probe housing. The power supply and the heater circuit automatically adjust to different AC line input voltage levels. The switching power supply efficiently supplies DC power to other portions of the analyzer circuit with little heat generation.

Diagnostic Method And Apparatus For Solid Electrolyte Gas Analyzer

US Patent:
5980728, Nov 9, 1999
Filed:
Sep 24, 1996
Appl. No.:
8/719140
Inventors:
Boris Y. Farber - Solon OH
Michael G. O'Neill - Wooster OH
Michael T. Estvander - Wadsworth OH
James W. Thomson - Akron OH
Assignee:
Rosemont Analytical Inc. - LaHabra CA
International Classification:
G01N 27407
US Classification:
205784
Abstract:
A solid electrolyte gas analyzer is equipped with a diagnostic circuit that intermittently measures an impedance of the solid electrolyte measurement cell as an indication that the cell is in need of calibration or replacement. The diagnostic operation is performed on the cell in situ, i. e. , while the solid electrolyte cell is exposed to the gas to be measured and heated to a controlled elevated temperature. Preferably the cell impedance is measured at a predetermined frequency by injecting a modulated current through the cell and measuring the resulting voltage drop.

Possible Relatives

Michael A Last  Michael D Stanaland  Michael Stanberry  Michael A Stanbro  Michael W Stancil  Michael P Stanczak  Michael A Standley  Michael L Stanek  Michael J Stanfield  Michael D Stanford 

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