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Variable stiffness oil film damper
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Patent number 4,867,655
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Issue date Sep 19, 1989
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United Technologies Corporation
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John R. Barbic
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Nutation damper
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Patent number 4,657,410
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Issue date Apr 14, 1987
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United Technologies Corporation
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David H. Hibner
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Viscous/friction damper
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Patent number 4,353,604
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Issue date Oct 12, 1982
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United Technologies Corporation
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Michael D. Dulberger
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Viscous damper
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Patent number 4,337,983
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Issue date Jul 6, 1982
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United Technologies Corporation
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David H. Hibner
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Viscous/friction damper
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Patent number 4,336,968
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Issue date Jun 29, 1982
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United Technologies Corporation
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David H. Hibner
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Damped intershaft bearing and stabilizer
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Patent number 4,046,430
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Issue date Sep 6, 1977
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United Technologies Corporation
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Dennis F. Buono
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES