Adjustable gap hydrostatic element

Bearings – Vibratory (e.g. – piezoelectric or kinetic bearing

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384100, 384114, 384119, 384130, 277 28, 277901, F16C 3200, F16C 3206, F16C 3372, F16J 1534

Patent

active

052383083

ABSTRACT:
Adjustable gap hydrostatic bearings and adjustable gap seals wherein the adjustable gaps are useful to compensate for wear, thermal expansion, journal speed, and radial deflection of the journal. A housing 10 is adjacent to a journal 2. The housing contains an annular electrodeformable material 5 which will expand or contract radially with the application of voltage and thus adjust the gap between the liner material 3 and the journal.

REFERENCES:
patent: 3529476 (1970-09-01), Lautzenhiser
patent: 4533186 (1985-08-01), Engwall et al.
patent: 4643437 (1987-02-01), Salant et al.
patent: 4666315 (1987-05-01), Scranton
patent: 4691276 (1987-09-01), Miller et al.
patent: 4809354 (1989-02-01), Kawashima
patent: 4850719 (1989-07-01), Moseley et al.
R. F. Salant, A. L. Miller, P. L. Kay, J. Kozlowski, W. E. Key, M. C. Algrain and O. Giles, "Development of an Electronically Controlled Mechanical Seal" Apr. 1987, 11th International Conference on Fluid Sealing, BHRA Nau Editor pp. 576-595.
Brochure, Vernitron Corporation "Guide to Modern Piezoelectric Ceramics" no date.

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