HIGH TEMPERATURE MAGNETIC BEARINGS FOR TURBINE ENGINES

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: N/A
Agency Tracking Number: 9574
Amount: $182,000.00
Phase: Phase II
Program: SBIR
Awards Year: 1990
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
Creare Inc.
Po Box 71, Hanover, NH, 03755
DUNS: 072021041
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Dr Victor Iannello
 (603) 643-3800
Business Contact
Phone: () -
Research Institution
N/A
Abstract
A SIGNIFICANT GAIN IN PERFORMANCE AND REDUCTION IN WEIGHT IS AFFORDED BY INCREASING THE OPERATING TEMPERATURES OF TURBINE ENGINES. PRESENT LIQUID-LUBRICATED BEARINGS ARE A MAJOR OBSTACLE IN ACHIEVING THIS GOAL DUE TO TEMPERATURE LIMITATIONS OF THE OIL LUBRICANT. MAGNETIC BEARINGS OFFER AN ATTRACTIVE ALTERNATIVE IN THAT THEIR CONTACT-FREE OPERATION ELIMINATES THE NEED FOR BEARING LUBRICATION. CREARE PROPOSES TO DEVELOP AN ACTIVE MAGNETIC BEARING CAPABLE OF HIGH TEMPERATURE OPERATION. THE INNOVATION LIES IN A HIGH TEMPERATURE OPTICAL POSITION SENSOR FOR THE SHAFT, AS WELL AS A BEARING CONFIGURATION THAT SUPPORTS BOTH AXIAL AND RADIAL LOADS. THE FEASIBILITY OF THE CONCEPT WILL BE ASSESSED DURING PHASE I OF THE PROJECT. PRELIMINARY ANALYSES WILL BE PERFORMED, AND CANDIDATE HIGH TEMPERATURE MATERIALS ASSESSED. THE RESULT OF PHASE I WILL BE A PRELIMINARY DESIGN FOR THE BEARING AND ITS ASSOCIATED CONTROL CIRCUITRY. IF SHOWN FEASIBLE, THE PROTOTYPE BEARING WILL BE BUILT AND TESTED AT PROTOTYPICAL OPERATING TEMPERATURES IN PHASE II.

* information listed above is at the time of submission.

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